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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3460 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
gdisirio 2011-11-02 17:36:00 +00:00
parent 656ec7b1fb
commit dc71ea034d
10 changed files with 9506 additions and 18 deletions
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55
boards/ST_STM32F4_DISCOVERY/board.c Normal file
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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ch.h"
#include "hal.h"
/**
* @brief PAL setup.
* @details Digital I/O ports static configuration as defined in @p board.h.
* This variable is used by the HAL when initializing the PAL driver.
*/
#if HAL_USE_PAL || defined(__DOXYGEN__)
const PALConfig pal_default_config =
{
{VAL_GPIOA_MODER, VAL_GPIOA_OTYPER, VAL_GPIOA_OSPEEDR, VAL_GPIOA_PUPDR, VAL_GPIOA_ODR, VAL_GPIOA_AFRL, VAL_GPIOA_AFRH},
{VAL_GPIOB_MODER, VAL_GPIOB_OTYPER, VAL_GPIOB_OSPEEDR, VAL_GPIOB_PUPDR, VAL_GPIOB_ODR, VAL_GPIOB_AFRL, VAL_GPIOB_AFRH},
{VAL_GPIOC_MODER, VAL_GPIOC_OTYPER, VAL_GPIOC_OSPEEDR, VAL_GPIOC_PUPDR, VAL_GPIOC_ODR, VAL_GPIOC_AFRL, VAL_GPIOC_AFRH},
{VAL_GPIOD_MODER, VAL_GPIOD_OTYPER, VAL_GPIOD_OSPEEDR, VAL_GPIOD_PUPDR, VAL_GPIOD_ODR, VAL_GPIOD_AFRL, VAL_GPIOD_AFRH},
{VAL_GPIOE_MODER, VAL_GPIOE_OTYPER, VAL_GPIOE_OSPEEDR, VAL_GPIOE_PUPDR, VAL_GPIOE_ODR, VAL_GPIOE_AFRL, VAL_GPIOE_AFRH},
{VAL_GPIOH_MODER, VAL_GPIOH_OTYPER, VAL_GPIOH_OSPEEDR, VAL_GPIOH_PUPDR, VAL_GPIOH_ODR, VAL_GPIOH_AFRL, VAL_GPIOH_AFRH}
};
#endif
/*
* Early initialization code.
* This initialization must be performed just after stack setup and before
* any other initialization.
*/
void __early_init(void) {
stm32_clock_init();
}
/*
* Board-specific initialization code.
*/
void boardInit(void) {
}

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boards/ST_STM32F4_DISCOVERY/board.h Normal file
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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _BOARD_H_
#define _BOARD_H_
/*
* Setup for STMicroelectronics STM32F4-Discovery board.
*/
/*
* Board identifier.
*/
#define BOARD_ST_STM32F4_DISCOVERY
#define BOARD_NAME "ST STM32F4-Discovery"
/*
* Board frequencies.
* NOTE: The LSE crystal is not fitted by default on the board.
*/
#define STM32_LSECLK 0
#define STM32_HSECLK 8000000
/*
* MCU type as defined in the ST header file stm32l1xx.h.
*/
#define STM32F4XX
/*
* IO pins assignments.
*/
#define GPIOA_BUTTON 0
#define GPIOA_LRCK 4
#define GPIOA_SPC 5
#define GPIOA_SDO 6
#define GPIOA_SDA_SDI_SDO 7
#define GPIOA_VBUS_FS 9
#define GPIOA_OTG_FS_ID 10
#define GPIOA_OTG_FS_DM 11
#define GPIOA_OTG_FS_DP 12
#define GPIOA_SWDIO 13
#define GPIOA_SWCLK 14
#define GPIOB_SWO 3
#define GPIOB_SCL 6
#define GPIOB_SDA 9
#define GPIOB_SCK 10
#define GPIOC_OTG_FS_POWER_ON 0
#define GPIOC_DOUT 3
#define GPIOC_MCLK 7
#define GPIOC_SCLK 10
#define GPIOC_SDIN 12
#define GPIOD_RESET 4
#define GPIOD_OVER_CURRENT 5
#define GPIOD_LED4 12 /* Green LED. */
#define GPIOD_LED3 13 /* Orange LED. */
#define GPIOD_LED5 14 /* Red LED. */
#define GPIOD_LED6 15 /* Blue LED. */
#define GPIOE_INT1 0
#define GPIOE_INT2 1
#define GPIOE_CS_SPI 3
#define GPIOH_OSC_IN 0
#define GPIOH_OSC_OUT 1
/*
* I/O ports initial setup, this configuration is established soon after reset
* in the initialization code.
* Please refer to the STM32 Reference Manual for details.
*/
#define PIN_MODE_INPUT(n) (0U << ((n) * 2))
#define PIN_MODE_OUTPUT(n) (1U << ((n) * 2))
#define PIN_MODE_ALTERNATE(n) (2U << ((n) * 2))
#define PIN_MODE_ANALOG(n) (3U << ((n) * 2))
#define PIN_OTYPE_PUSHPULL(n) (0U << (n))
#define PIN_OTYPE_OPENDRAIN(n) (1U << (n))
#define PIN_OSPEED_2M(n) (0U << ((n) * 2))
#define PIN_OSPEED_25M(n) (1U << ((n) * 2))
#define PIN_OSPEED_50M(n) (2U << ((n) * 2))
#define PIN_OSPEED_100M(n) (3U << ((n) * 2))
#define PIN_PUDR_FLOATING(n) (0U << ((n) * 2))
#define PIN_PUDR_PULLUP(n) (1U << ((n) * 2))
#define PIN_PUDR_PULLDOWN(n) (2U << ((n) * 2))
#define PIN_AFIO_AF(n, v) ((v)U << ((n % 8) * 4))
/*
* Port A setup.
* All input with pull-up except:
* PA0 - GPIOA_BUTTON (input floating).
* PA4 - GPIOA_LRCK (alternate 6).
* PA5 - GPIOA_SPC (alternate 5).
* PA6 - GPIOA_SDO (alternate 5).
* PA7 - GPIOA_SDI (alternate 5).
* PA9 - GPIOA_VBUS_FS (input floating).
* PA10 - GPIOA_OTG_FS_ID (alternate 10).
* PA11 - GPIOA_OTG_FS_DM (alternate 10).
* PA12 - GPIOA_OTG_FS_DP (alternate 10).
* PA13 - GPIOA_SWDIO (alternate 0).
* PA14 - GPIOA_SWCLK (alternate 0).
*/
#define VAL_GPIOA_MODER (PIN_MODE_INPUT(GPIOA_BUTTON) | \
PIN_MODE_INPUT(1) | \
PIN_MODE_INPUT(2) | \
PIN_MODE_INPUT(3) | \
PIN_MODE_ALTERNATE(GPIOA_LRCK) | \
PIN_MODE_ALTERNATE(GPIOA_SPC) | \
PIN_MODE_ALTERNATE(GPIOA_SDO) | \
PIN_MODE_ALTERNATE(GPIOA_SDI) | \
PIN_MODE_INPUT(8) | \
PIN_MODE_INPUT(GPIOA_VBUS_FS) | \
PIN_MODE_ALTERNATE(GPIOA_OTG_FS_ID) | \
PIN_MODE_ALTERNATE(GPIOA_OTG_FS_DM) | \
PIN_MODE_ALTERNATE(GPIOA_OTG_FS_DP) | \
PIN_MODE_ALTERNATE(GPIOA_SWDIO) | \
PIN_MODE_ALTERNATE(GPIOA_SWCLK) | \
PIN_MODE_INPUT(15))
#define VAL_GPIOA_OTYPER 0x00000000
#define VAL_GPIOA_OSPEEDR 0xFFFFFFFF
#define VAL_GPIOA_PUPDR (PIN_PUDR_FLOATING(GPIOA_BUTTON) | \
PIN_PUDR_PULLUP(1) | \
PIN_PUDR_PULLUP(2) | \
PIN_PUDR_PULLUP(3) | \
PIN_PUDR_FLOATING(GPIOA_LRCK) | \
PIN_PUDR_FLOATING(GPIOA_SPC) | \
PIN_PUDR_FLOATING(GPIOA_SDO) | \
PIN_PUDR_FLOATING(GPIOA_SDI) | \
PIN_PUDR_PULLUP(8) | \
PIN_PUDR_FLOATING(GPIOA_VBUS_FS) | \
PIN_PUDR_FLOATING(GPIOA_OTG_FS_ID) | \
PIN_PUDR_FLOATING(GPIOA_OTG_FS_DM) | \
PIN_PUDR_FLOATING(GPIOA_OTG_FS_DP) | \
PIN_PUDR_PULLUP(GPIOA_SWDIO) | \
PIN_PUDR_PULLDOWN(GPIOA_SWCLK) | \
PIN_PUDR_PULLUP(15))
#define VAL_GPIOA_ODR 0xFFFFFFFF
#define VAL_GPIOA_AFRL (PIN_AFIO_AF(4, 6) | \
PIN_AFIO_AF(5, 5) | \
PIN_AFIO_AF(6, 5) | \
PIN_AFIO_AF(7, 5))
#define VAL_GPIOA_AFRH (PIN_AFIO_AF(10, 10) | \
PIN_AFIO_AF(11, 10) | \
PIN_AFIO_AF(12, 10) | \
PIN_AFIO_AF(13, 0) | \
PIN_AFIO_AF(14, 0))
/*
* Port B setup.
* All input with pull-up except:
* PB3 - GPIOB_SWO (alternate 0).
* PB6 - GPIOB_SCL (alternate 4).
* PB9 - GPIOB_SDA (alternate 4).
* PB10 - GPIOB_SCK (alternate 5).
*/
#define VAL_GPIOB_MODER (PIN_MODE_INPUT(0) | \
PIN_MODE_INPUT(1) | \
PIN_MODE_INPUT(2) | \
PIN_MODE_ALTERNATE(GPIOB_SWO) | \
PIN_MODE_INPUT(4) | \
PIN_MODE_INPUT(5) | \
PIN_MODE_ALTERNATE(GPIOB_SCL) | \
PIN_MODE_INPUT(7) | \
PIN_MODE_INPUT(8) | \
PIN_MODE_ALTERNATE(GPIOB_SDA) | \
PIN_MODE_ALTERNATE(GPIOB_SCK) | \
PIN_MODE_INPUT(11) | \
PIN_MODE_INPUT(12) | \
PIN_MODE_INPUT(13) | \
PIN_MODE_INPUT(14) | \
PIN_MODE_INPUT(15))
#define VAL_GPIOB_OTYPER (PIN_OTYPE_OPENDRAIN(GPIOB_SCL) | \
PIN_OTYPE_OPENDRAIN(GPIOB_SDA))
#define VAL_GPIOB_OSPEEDR 0xFFFFFFFF
#define VAL_GPIOB_PUPDR (PIN_PUDR_PULLUP(0) | \
PIN_PUDR_PULLUP(1) | \
PIN_PUDR_PULLUP(2) | \
PIN_PUDR_FLOATING(GPIOB_SWO) | \
PIN_PUDR_PULLUP(4) | \
PIN_PUDR_PULLUP(5) | \
PIN_PUDR_FLOATING(GPIOB_SCL) | \
PIN_PUDR_PULLUP(7) | \
PIN_PUDR_PULLUP(8) | \
PIN_PUDR_FLOATING(GPIOB_SDA) | \
PIN_PUDR_FLOATING(GPIOB_SCK | \
PIN_PUDR_PULLUP(11) | \
PIN_PUDR_PULLUP(12) | \
PIN_PUDR_PULLUP(13) | \
PIN_PUDR_PULLUP(14) | \
PIN_PUDR_PULLUP(15))
#define VAL_GPIOB_ODR 0xFFFFFFFF
#define VAL_GPIOB_AFRL (PIN_AFIO_AF(3, 0) | \
PIN_AFIO_AF(6, 4))
#define VAL_GPIOB_AFRH (PIN_AFIO_AF(9, 4) | \
PIN_AFIO_AF(10, 5))
/*
* Port C setup.
* All input with pull-up except:
* PC0 - GPIOC_OTG_FS_POWER_ON (output push-pull).
* PC3 - GPIOC_DOUT (alternate 5).
* PC7 - GPIOC_MCLK (alternate 6).
* PC10 - GPIOC_SCLK (alternate 6).
* PC12 - GPIOC_SDIN (alternate 6).
*/
#define VAL_GPIOC_MODER (PIN_MODE_OUTPUT(GPIOC_OTG_FS_POWER_ON) |\
PIN_MODE_INPUT(1) | \
PIN_MODE_INPUT(2) | \
PIN_MODE_ALTERNATE(GPIOC_DOUT) | \
PIN_MODE_INPUT(4) | \
PIN_MODE_INPUT(5) | \
PIN_MODE_INPUT(6) | \
PIN_MODE_ALTERNATE(GPIOC_MCLK) | \
PIN_MODE_INPUT(8) | \
PIN_MODE_INPUT(9) | \
PIN_MODE_ALTERNATE(GPIOC_SCLK) | \
PIN_MODE_INPUT(11) | \
PIN_MODE_ALTERNATE(GPIOC_SDIN)) \
PIN_MODE_INPUT(13) | \
PIN_MODE_INPUT(14) | \
PIN_MODE_INPUT(15))
#define VAL_GPIOC_OTYPER 0x00000000
#define VAL_GPIOC_OSPEEDR 0xFFFFFFFF
#define VAL_GPIOC_PUPDR (PIN_PUDR_FLOATING(GPIOC_OTG_FS_POWER_ON) |\
PIN_PUDR_PULLUP(1) | \
PIN_PUDR_PULLUP(2) | \
PIN_PUDR_FLOATING(GPIOC_DOUT)) | \
PIN_PUDR_PULLUP(4) | \
PIN_PUDR_PULLUP(5) | \
PIN_PUDR_PULLUP(6) | \
PIN_PUDR_FLOATING(GPIOC_MCLK)) | \
PIN_PUDR_PULLUP(8) | \
PIN_PUDR_PULLUP(9) | \
PIN_PUDR_FLOATING(GPIOC_SCLK)) | \
PIN_PUDR_PULLUP(11) | \
PIN_PUDR_FLOATING(GPIOC_SDIN)) | \
PIN_PUDR_PULLUP(13) | \
PIN_PUDR_PULLUP(14) | \
PIN_PUDR_PULLUP(15))
#define VAL_GPIOC_ODR 0xFFFFFFFF
#define VAL_GPIOC_AFRL (PIN_AFIO_AF(3, 5) | \
PIN_AFIO_AF(7, 6))
#define VAL_GPIOC_AFRH (PIN_AFIO_AF(10, 6) | \
PIN_AFIO_AF(12, 6))
/*
* Port D setup.
* All input with pull-up except:
* PD4 - GPIOD_RESET (output push-pull).
* PD5 - GPIOD_OVER_CURRENT (input floating).
* PD12 - GPIOD_LED4 (output push-pull).
* PD13 - GPIOD_LED3 (output push-pull).
* PD14 - GPIOD_LED5 (output push-pull).
* PD15 - GPIOD_LED6 (output push-pull).
*/
#define VAL_GPIOD_MODER (PIN_MODE_INPUT(0) | \
PIN_MODE_INPUT(1) | \
PIN_MODE_INPUT(2) | \
PIN_MODE_INPUT(3) | \
PIN_MODE_OUTPUT(GPIOD_RESET) | \
PIN_MODE_INPUT(GPIOD_OVER_CURRENT) | \
PIN_MODE_INPUT(6) | \
PIN_MODE_INPUT(7) | \
PIN_MODE_INPUT(8) | \
PIN_MODE_INPUT(9) | \
PIN_MODE_INPUT(10) | \
PIN_MODE_INPUT(11) | \
PIN_MODE_INPUT(GPIOD_LED4) | \
PIN_MODE_INPUT(GPIOD_LED3) | \
PIN_MODE_INPUT(GPIOD_LED5) | \
PIN_MODE_INPUT(GPIOD_LED6))
#define VAL_GPIOD_OTYPER 0x00000000
#define VAL_GPIOD_OSPEEDR 0xFFFFFFFF
#define VAL_GPIOD_PUPDR (PIN_PUDR_PULLUP(0) | \
PIN_PUDR_PULLUP(1) | \
PIN_PUDR_PULLUP(2) | \
PIN_PUDR_PULLUP(3) | \
PIN_PUDR_FLOATING(GPIOD_RESET) | \
PIN_PUDR_FLOATING(GPIOD_OVER_CURRENT) |\
PIN_PUDR_PULLUP(6) | \
PIN_PUDR_PULLUP(7) | \
PIN_PUDR_PULLUP(8) | \
PIN_PUDR_PULLUP(9) | \
PIN_PUDR_PULLUP(10) | \
PIN_PUDR_PULLUP(11) | \
PIN_PUDR_FLOATING(GPIOD_LED4) | \
PIN_PUDR_FLOATING(GPIOD_LED3) | \
PIN_PUDR_FLOATING(GPIOD_LED5) | \
PIN_PUDR_FLOATING(GPIOD_LED6))
#define VAL_GPIOD_ODR 0x0FFFFFCF
#define VAL_GPIOD_AFRL 0x00000000
#define VAL_GPIOD_AFRH 0x00000000
/*
* Port E setup.
* All input with pull-up except:
* PE0 - GPIOE_INT1 (input floating).
* PE1 - GPIOE_INT2 (input floating).
* PE3 - GPIOE_CS_SPI (output push-pull).
*/
#define VAL_GPIOE_MODER (PIN_MODE_INPUT(GPIOE_INT1) | \
PIN_MODE_INPUT(GPIOE_INT2) | \
PIN_MODE_INPUT(2) | \
PIN_MODE_INPUT(GPIOE_CS_SPI) | \
PIN_MODE_INPUT(4) | \
PIN_MODE_INPUT(5) | \
PIN_MODE_INPUT(6) | \
PIN_MODE_INPUT(7) | \
PIN_MODE_INPUT(8) | \
PIN_MODE_INPUT(9) | \
PIN_MODE_INPUT(10) | \
PIN_MODE_INPUT(11) | \
PIN_MODE_INPUT(12) | \
PIN_MODE_INPUT(13) | \
PIN_MODE_INPUT(14) | \
PIN_MODE_INPUT(15))
#define VAL_GPIOE_OTYPER 0x00000000
#define VAL_GPIOE_OSPEEDR 0xFFFFFFFF
#define VAL_GPIOE_PUPDR (PIN_PUDR_FLOATING(0GPIOE_INT1) | \
PIN_PUDR_FLOATING(GPIOE_INT2) | \
PIN_PUDR_PULLUP(2) | \
PIN_PUDR_FLOATING(GPIOE_CS_SPI) | \
PIN_PUDR_PULLUP(4) | \
PIN_PUDR_PULLUP(5) | \
PIN_PUDR_PULLUP(6) | \
PIN_PUDR_PULLUP(7) | \
PIN_PUDR_PULLUP(8) | \
PIN_PUDR_PULLUP(9) | \
PIN_PUDR_PULLUP(10) | \
PIN_PUDR_PULLUP(11) | \
PIN_PUDR_PULLUP(12) | \
PIN_PUDR_PULLUP(13) | \
PIN_PUDR_PULLUP(14) | \
PIN_PUDR_PULLUP(15))
#define VAL_GPIOE_ODR 0xFFFFFFFF
#define VAL_GPIOE_AFRL 0x00000000
#define VAL_GPIOE_AFRH 0x00000000
/*
* Port F setup.
* All input with pull-up.
*/
#define VAL_GPIOF_MODER 0x00000000
#define VAL_GPIOF_OTYPER 0x00000000
#define VAL_GPIOF_OSPEEDR 0xFFFFFFFF
#define VAL_GPIOF_PUPDR 0xFFFFFFFF
#define VAL_GPIOF_ODR 0xFFFFFFFF
#define VAL_GPIOF_AFRL 0x00000000
#define VAL_GPIOF_AFRH 0x00000000
/*
* Port G setup.
* All input with pull-up.
*/
#define VAL_GPIOG_MODER 0x00000000
#define VAL_GPIOG_OTYPER 0x00000000
#define VAL_GPIOG_OSPEEDR 0xFFFFFFFF
#define VAL_GPIOG_PUPDR 0xFFFFFFFF
#define VAL_GPIOG_ODR 0xFFFFFFFF
#define VAL_GPIOG_AFRL 0x00000000
#define VAL_GPIOG_AFRH 0x00000000
/*
* Port H setup.
* All input with pull-up except:
* PH0 - GPIOH_OSC_IN (input floating).
* PH1 - GPIOH_OSC_OUT (input floating).
*/
#define VAL_GPIOH_MODER (PIN_MODE_INPUT(GPIOH_OSC_IN) | \
PIN_MODE_INPUT(GPIOH_OSC_OUT) | \
PIN_MODE_INPUT(2) | \
PIN_MODE_INPUT(3) | \
PIN_MODE_INPUT(4) | \
PIN_MODE_INPUT(5) | \
PIN_MODE_INPUT(6) | \
PIN_MODE_INPUT(7) | \
PIN_MODE_INPUT(8) | \
PIN_MODE_INPUT(9) | \
PIN_MODE_INPUT(10) | \
PIN_MODE_INPUT(11) | \
PIN_MODE_INPUT(12) | \
PIN_MODE_INPUT(13) | \
PIN_MODE_INPUT(14) | \
PIN_MODE_INPUT(15))
#define VAL_GPIOH_OTYPER 0x00000000
#define VAL_GPIOH_OSPEEDR 0xFFFFFFFF
#define VAL_GPIOH_PUPDR (PIN_PUDR_FLOATING(GPIOH_OSC_IN) | \
PIN_PUDR_FLOATING(GPIOH_OSC_OUT) | \
PIN_PUDR_PULLUP(2) | \
PIN_PUDR_PULLUP(3) | \
PIN_PUDR_PULLUP(4) | \
PIN_PUDR_PULLUP(5) | \
PIN_PUDR_PULLUP(6) | \
PIN_PUDR_PULLUP(7) | \
PIN_PUDR_PULLUP(8) | \
PIN_PUDR_PULLUP(9) | \
PIN_PUDR_PULLUP(10) | \
PIN_PUDR_PULLUP(11) | \
PIN_PUDR_PULLUP(12) | \
PIN_PUDR_PULLUP(13) | \
PIN_PUDR_PULLUP(14) | \
PIN_PUDR_PULLUP(15))
#define VAL_GPIOH_ODR 0xFFFFFFFF
#define VAL_GPIOH_AFRL 0x00000000
#define VAL_GPIOH_AFRH 0x00000000
/*
* Port I setup.
* All input with pull-up.
*/
#define VAL_GPIOI_MODER 0x00000000
#define VAL_GPIOI_OTYPER 0x00000000
#define VAL_GPIOI_OSPEEDR 0xFFFFFFFF
#define VAL_GPIOI_PUPDR 0xFFFFFFFF
#define VAL_GPIOI_ODR 0xFFFFFFFF
#define VAL_GPIOI_AFRL 0x00000000
#define VAL_GPIOI_AFRH 0x00000000
#if !defined(_FROM_ASM_)
#ifdef __cplusplus
extern "C" {
#endif
void boardInit(void);
#ifdef __cplusplus
}
#endif
#endif /* _FROM_ASM_ */
#endif /* _BOARD_H_ */

5
boards/ST_STM32F4_DISCOVERY/board.mk Normal file
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# List of all the board related files.
BOARDSRC = ${CHIBIOS}/boards/ST_STM32F4_DISCOVERY/board.c
# Required include directories
BOARDINC = ${CHIBIOS}/boards/ST_STM32F4_DISCOVERY

21
boards/ST_STM32L_DISCOVERY/board.h
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@ -22,13 +22,13 @@
#define _BOARD_H_
/*
* Setup for STMicroelectronics STM32VL-Discovery board.
* Setup for STMicroelectronics STM32L-Discovery board.
*/
/*
* Board identifier.
*/
#define BOARD_ST_STM32VL_DISCOVERY
#define BOARD_ST_STM32L_DISCOVERY
#define BOARD_NAME "ST STM32L-Discovery"
/*
@ -69,22 +69,7 @@
#define PIN_PUDR_FLOATING(n) (0U << ((n) * 2))
#define PIN_PUDR_PULLUP(n) (1U << ((n) * 2))
#define PIN_PUDR_PULLDOWN(n) (2U << ((n) * 2))
#define PIN_AFIO_AF0(n) (0U << ((n % 8) * 4))
#define PIN_AFIO_AF1(n) (1U << ((n % 8) * 4))
#define PIN_AFIO_AF2(n) (2U << ((n % 8) * 4))
#define PIN_AFIO_AF3(n) (3U << ((n % 8) * 4))
#define PIN_AFIO_AF4(n) (4U << ((n % 8) * 4))
#define PIN_AFIO_AF5(n) (5U << ((n % 8) * 4))
#define PIN_AFIO_AF6(n) (6U << ((n % 8) * 4))
#define PIN_AFIO_AF7(n) (7U << ((n % 8) * 4))
#define PIN_AFIO_AF8(n) (8U << ((n % 8) * 4))
#define PIN_AFIO_AF9(n) (9U << ((n % 8) * 4))
#define PIN_AFIO_AF10(n) (10U << ((n % 8) * 4))
#define PIN_AFIO_AF11(n) (11U << ((n % 8) * 4))
#define PIN_AFIO_AF12(n) (12U << ((n % 8) * 4))
#define PIN_AFIO_AF13(n) (13U << ((n % 8) * 4))
#define PIN_AFIO_AF14(n) (14U << ((n % 8) * 4))
#define PIN_AFIO_AF15(n) (15U << ((n % 8) * 4))
#define PIN_AFIO_AF(n, v) ((v)U << ((n % 8) * 4))
/*
* Port A setup.

164
os/hal/platforms/STM32F4xx/hal_lld.c Normal file
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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file STM32F4xx/hal_lld.c
* @brief STM32F4xx HAL subsystem low level driver source.
*
* @addtogroup HAL
* @{
*/
#include "ch.h"
#include "hal.h"
#define AIRCR_VECTKEY 0x05FA0000
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Low level HAL driver initialization.
*
* @notapi
*/
void hal_lld_init(void) {
/* Reset of all peripherals.*/
// RCC->APB1RSTR = 0xFFFFFFFF;
// RCC->APB2RSTR = 0xFFFFFFFF;
// RCC->APB1RSTR = 0;
// RCC->APB2RSTR = 0;
/* SysTick initialization using the system clock.*/
SysTick->LOAD = STM32_HCLK / CH_FREQUENCY - 1;
SysTick->VAL = 0;
SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
SysTick_CTRL_ENABLE_Msk |
SysTick_CTRL_TICKINT_Msk;
#if defined(STM32_DMA_REQUIRED)
dmaInit();
#endif
}
/**
* @brief STM32F2xx clocks and PLL initialization.
* @note All the involved constants come from the file @p board.h.
* @note This function should be invoked just after the system reset.
*
* @special
*/
#if defined(STM32F2XX) || defined(__DOXYGEN__)
/**
* @brief Clocks and internal voltage initialization.
*/
void stm32_clock_init(void) {
#if !STM32_NO_INIT
/* PWR clock enable.*/
RCC->APB1ENR = RCC_APB1ENR_PWREN;
/* Initial clocks setup and wait for HSI stabilization, the MSI clock is
always enabled because it is the fallback clock when PLL the fails.*/
RCC->CR |= RCC_CR_HSION;
while ((RCC->CR & RCC_CR_HSIRDY) == 0)
; /* Waits until HSI is stable. */
#if STM32_HSE_ENABLED
/* HSE activation.*/
RCC->CR |= RCC_CR_HSEON;
while ((RCC->CR & RCC_CR_HSERDY) == 0)
; /* Waits until HSE is stable. */
#endif
#if STM32_LSI_ENABLED
/* LSI activation.*/
RCC->CSR |= RCC_CSR_LSION;
while ((RCC->CSR & RCC_CSR_LSIRDY) == 0)
; /* Waits until LSI is stable. */
#endif
#if STM32_LSE_ENABLED
/* LSE activation, have to unlock the register.*/
if ((RCC->BDCR & RCC_BDCR_LSEON) == 0) {
PWR->CR |= PWR_CR_DBP;
RCC->BDCR |= RCC_BDCR_LSEON;
PWR->CR &= ~PWR_CR_DBP;
}
while ((RCC->BDCR & RCC_BDCR_LSERDY) == 0)
; /* Waits until LSE is stable. */
#endif
#if STM32_ACTIVATE_PLL
/* PLL activation.*/
RCC->PLLCFGR = STM32_PLLQ | STM32_PLLSRC | STM32_PLLP | STM32_PLLN | STM32_PLLM;
RCC->CR |= RCC_CR_PLLON;
while (!(RCC->CR & RCC_CR_PLLRDY))
; /* Waits until PLL is stable. */
#endif
#if STM32_ACTIVATE_PLLI2S
/* PLLI2S activation.*/
RCC->PLLI2SCFGR = STM32_PLI2SR_VALUE | STM32_PLLI2SN_VALUE;
RCC->CR |= RCC_CR_PLLI2SON;
while (!(RCC->CR & RCC_CR_PLLI2SRDY))
; /* Waits until PLLI2S is stable. */
#endif
/* Other clock-related settings (dividers, MCO etc).*/
RCC->CFGR |= STM32_MCO2PRE | STM32_MCO2SEL | STM32_MCO1PRE | STM32_MCO1SEL |
STM32_RTCPRE | STM32_PPRE2 | STM32_PPRE1 | STM32_HPRE;
/* Flash setup. */
FLASH->ACR = FLASH_ACR_PRFTEN | FLASH_ACR_ICEN | FLASH_ACR_DCEN | STM32_FLASHBITS;
/* Switching to the configured clock source if it is different from MSI. */
#if (STM32_SW != STM32_SW_HSI)
RCC->CFGR |= STM32_SW; /* Switches on the selected clock source. */
while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2))
;
#endif
#endif /* STM32_NO_INIT */
}
#else
void stm32_clock_init(void) {}
#endif
/** @} */

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os/hal/platforms/STM32F4xx/hal_lld.h Normal file
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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file STM32F4xx/hal_lld.h
* @brief STM32F4xx HAL subsystem low level driver header.
* @pre This module requires the following macros to be defined in the
* @p board.h file:
* - STM32_LSECLK.
* - STM32_HSECLK.
* .
* One of the following macros must also be defined:
* - STM32F4XX for High-performance STM32 F-4 devices.
* .
*
* @addtogroup HAL
* @{
*/
#ifndef _HAL_LLD_H_
#define _HAL_LLD_H_
#include "stm32f4xx.h"
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @brief Platform name.
*/
#define PLATFORM_NAME "STM32F2 High performance"
#define STM32_HSICLK 16000000 /**< High speed internal clock. */
#define STM32_LSICLK 38000 /**< Low speed internal clock. */
/* RCC_PLLCFGR register bits definitions.*/
#define STM32_PLLP_MASK (3 << 16) /**< PLLP mask. */
#define STM32_PLLP_DIV2 (0 << 16) /**< PLL clock divided by 2. */
#define STM32_PLLP_DIV4 (1 << 16) /**< PLL clock divided by 4. */
#define STM32_PLLP_DIV6 (2 << 16) /**< PLL clock divided by 6. */
#define STM32_PLLP_DIV8 (3 << 16) /**< PLL clock divided by 8. */
#define STM32_PLLSRC_HSI (0 << 22) /**< PLL clock source is HSI. */
#define STM32_PLLSRC_HSE (1 << 22) /**< PLL clock source is HSE. */
/* RCC_CFGR register bits definitions.*/
#define STM32_SW_MASK (3 << 0) /**< SW mask. */
#define STM32_SW_HSI (0 << 0) /**< SYSCLK source is HSI. */
#define STM32_SW_HSE (1 << 0) /**< SYSCLK source is HSE. */
#define STM32_SW_PLL (2 << 0) /**< SYSCLK source is PLL. */
#define STM32_HPRE_MASK (15 << 4) /**< HPRE mask. */
#define STM32_HPRE_DIV1 (0 << 4) /**< SYSCLK divided by 1. */
#define STM32_HPRE_DIV2 (8 << 4) /**< SYSCLK divided by 2. */
#define STM32_HPRE_DIV4 (9 << 4) /**< SYSCLK divided by 4. */
#define STM32_HPRE_DIV8 (10 << 4) /**< SYSCLK divided by 8. */
#define STM32_HPRE_DIV16 (11 << 4) /**< SYSCLK divided by 16. */
#define STM32_HPRE_DIV64 (12 << 4) /**< SYSCLK divided by 64. */
#define STM32_HPRE_DIV128 (13 << 4) /**< SYSCLK divided by 128. */
#define STM32_HPRE_DIV256 (14 << 4) /**< SYSCLK divided by 256. */
#define STM32_HPRE_DIV512 (15 << 4) /**< SYSCLK divided by 512. */
#define STM32_PPRE1_MASK (7 << 10) /**< PPRE1 mask. */
#define STM32_PPRE1_DIV1 (0 << 10) /**< HCLK divided by 1. */
#define STM32_PPRE1_DIV2 (4 << 10) /**< HCLK divided by 2. */
#define STM32_PPRE1_DIV4 (5 << 10) /**< HCLK divided by 4. */
#define STM32_PPRE1_DIV8 (6 << 10) /**< HCLK divided by 8. */
#define STM32_PPRE1_DIV16 (7 << 10) /**< HCLK divided by 16. */
#define STM32_PPRE2_MASK (7 << 13) /**< PPRE2 mask. */
#define STM32_PPRE2_DIV1 (0 << 13) /**< HCLK divided by 1. */
#define STM32_PPRE2_DIV2 (4 << 13) /**< HCLK divided by 2. */
#define STM32_PPRE2_DIV4 (5 << 13) /**< HCLK divided by 4. */
#define STM32_PPRE2_DIV8 (6 << 13) /**< HCLK divided by 8. */
#define STM32_PPRE2_DIV16 (7 << 13) /**< HCLK divided by 16. */
#define STM32_RTCPRE_MASK (31 << 16) /**< RTCPRE mask. */
#define STM32_MCO1SEL_MASK (3 << 21) /**< MCO1 mask. */
#define STM32_MCO1SEL_HSI (0 << 21) /**< HSI clock on MCO1 pin. */
#define STM32_MCO1SEL_LSE (1 << 21) /**< LSE clock on MCO1 pin. */
#define STM32_MCO1SEL_HSE (2 << 21) /**< HSE clock on MCO1 pin. */
#define STM32_MCO1SEL_PLL (3 << 21) /**< PLL clock on MCO1 pin. */
#define STM32_MCO1PRE_MASK (7 << 24) /**< MCO1PRE mask. */
#define STM32_MCO1PRE_DIV1 (0 << 24) /**< MCO1 divided by 1. */
#define STM32_MCO1PRE_DIV2 (1 << 24) /**< MCO1 divided by 2. */
#define STM32_MCO1PRE_DIV3 (2 << 24) /**< MCO1 divided by 3. */
#define STM32_MCO1PRE_DIV4 (3 << 24) /**< MCO1 divided by 4. */
#define STM32_MCO1PRE_DIV5 (4 << 24) /**< MCO1 divided by 5. */
#define STM32_MCO2PRE_MASK (7 << 27) /**< MCO2PRE mask. */
#define STM32_MCO2PRE_DIV1 (0 << 27) /**< MCO2 divided by 1. */
#define STM32_MCO2PRE_DIV2 (4 << 27) /**< MCO2 divided by 2. */
#define STM32_MCO2PRE_DIV3 (5 << 27) /**< MCO2 divided by 3. */
#define STM32_MCO2PRE_DIV4 (6 << 27) /**< MCO2 divided by 4. */
#define STM32_MCO2PRE_DIV5 (7 << 27) /**< MCO2 divided by 5. */
#define STM32_MCO2SEL_MASK (3 << 30) /**< MCO2 mask. */
#define STM32_MCO2SEL_SYSCLK (0 << 30) /**< SYSCLK clock on MCO2 pin. */
#define STM32_MCO2SEL_PLLI2S (1 << 30) /**< PLLI2S clock on MCO2 pin. */
#define STM32_MCO2SEL_HSE (2 << 30) /**< HSE clock on MCO2 pin. */
#define STM32_MCO2SEL_PLL (3 << 30) /**< PLL clock on MCO2 pin. */
/* RCC_PLLI2SCFGR register bits definitions.*/
#define STM32_PLLI2SN_MASK (511 << 6) /**< PLLI2SN mask. */
#define STM32_PLLI2SR_MASK (7 << 28) /**< PLLI2SR mask. */
/* STM32F2xx capabilities.*/
#define STM32_HAS_ADC1 TRUE
#define STM32_HAS_ADC2 TRUE
#define STM32_HAS_ADC3 TRUE
#define STM32_HAS_CAN1 TRUE
#define STM32_HAS_CAN2 TRUE
#define STM32_HAS_DAC TRUE
#define STM32_HAS_DMA1 TRUE
#define STM32_HAS_DMA2 TRUE
#define STM32_HAS_ETH TRUE
#define STM32_EXTI_NUM_CHANNELS 23
#define STM32_HAS_GPIOA TRUE
#define STM32_HAS_GPIOB TRUE
#define STM32_HAS_GPIOC TRUE
#define STM32_HAS_GPIOD TRUE
#define STM32_HAS_GPIOE TRUE
#define STM32_HAS_GPIOF TRUE
#define STM32_HAS_GPIOG TRUE
#define STM32_HAS_GPIOH TRUE
#define STM32_HAS_GPIOI TRUE
#define STM32_HAS_I2C1 TRUE
#define STM32_HAS_I2C2 TRUE
#define STM32_HAS_RTC TRUE
#define STM32_HAS_SDIO TRUE
#define STM32_HAS_SPI1 TRUE
#define STM32_HAS_SPI2 TRUE
#define STM32_HAS_SPI3 TRUE
#define STM32_HAS_TIM1 TRUE
#define STM32_HAS_TIM2 TRUE
#define STM32_HAS_TIM3 TRUE
#define STM32_HAS_TIM4 TRUE
#define STM32_HAS_TIM5 TRUE
#define STM32_HAS_TIM6 FALSE
#define STM32_HAS_TIM7 FALSE
#define STM32_HAS_TIM8 TRUE
#define STM32_HAS_TIM9 TRUE
#define STM32_HAS_TIM10 TRUE
#define STM32_HAS_TIM11 TRUE
#define STM32_HAS_TIM12 TRUE
#define STM32_HAS_TIM13 TRUE
#define STM32_HAS_TIM14 TRUE
#define STM32_HAS_TIM15 FALSE
#define STM32_HAS_TIM16 FALSE
#define STM32_HAS_TIM17 FALSE
#define STM32_HAS_USART1 TRUE
#define STM32_HAS_USART2 TRUE
#define STM32_HAS_USART3 TRUE
#define STM32_HAS_UART4 TRUE
#define STM32_HAS_UART5 TRUE
#define STM32_HAS_USART6 TRUE
#define STM32_HAS_USB FALSE
#define STM32_HAS_OTG1 TRUE
/*===========================================================================*/
/* Platform specific friendly IRQ names. */
/*===========================================================================*/
#define WWDG_IRQHandler Vector40 /**< Window Watchdog. */
#define PVD_IRQHandler Vector44 /**< PVD through EXTI Line
detect. */
#define TAMPER_IRQHandler Vector48 /**< Tamper. */
#define RTC_IRQHandler Vector4C /**< RTC. */
#define FLASH_IRQHandler Vector50 /**< Flash. */
#define RCC_IRQHandler Vector54 /**< RCC. */
#define EXTI0_IRQHandler Vector58 /**< EXTI Line 0. */
#define EXTI1_IRQHandler Vector5C /**< EXTI Line 1. */
#define EXTI2_IRQHandler Vector60 /**< EXTI Line 2. */
#define EXTI3_IRQHandler Vector64 /**< EXTI Line 3. */
#define EXTI4_IRQHandler Vector68 /**< EXTI Line 4. */
#define DMA1_Stream0_IRQHandler Vector6C /**< DMA1 Stream 0. */
#define DMA1_Stream1_IRQHandler Vector70 /**< DMA1 Stream 1. */
#define DMA1_Stream2_IRQHandler Vector74 /**< DMA1 Stream 2. */
#define DMA1_Stream3_IRQHandler Vector78 /**< DMA1 Stream 3. */
#define DMA1_Stream4_IRQHandler Vector7C /**< DMA1 Stream 4. */
#define DMA1_Stream5_IRQHandler Vector80 /**< DMA1 Stream 5. */
#define DMA1_Stream6_IRQHandler Vector84 /**< DMA1 Stream 6. */
#define ADC1_2_3_IRQHandler Vector88 /**< ADC1, ADC2 and ADC3. */
#define CAN1_TX_IRQHandler Vector8C /**< CAN1 TX. */
#define CAN1_RX0_IRQHandler Vector90 /**< CAN1 RX0. */
#define CAN1_RX1_IRQHandler Vector94 /**< CAN1 RX1. */
#define CAN1_SCE_IRQHandler Vector98 /**< CAN1 SCE. */
#define EXTI9_5_IRQHandler Vector9C /**< EXTI Line 9..5. */
#define TIM1_BRK_IRQHandler VectorA0 /**< TIM1 Break. */
#define TIM1_UP_IRQHandler VectorA4 /**< TIM1 Update. */
#define TIM1_TRG_COM_IRQHandler VectorA8 /**< TIM1 Trigger and
Commutation. */
#define TIM1_CC_IRQHandler VectorAC /**< TIM1 Capture Compare. */
#define TIM2_IRQHandler VectorB0 /**< TIM2. */
#define TIM3_IRQHandler VectorB4 /**< TIM3. */
#define TIM4_IRQHandler VectorB8 /**< TIM4. */
#define I2C1_EV_IRQHandler VectorBC /**< I2C1 Event. */
#define I2C1_ER_IRQHandler VectorC0 /**< I2C1 Error. */
#define I2C2_EV_IRQHandler VectorC4 /**< I2C2 Event. */
#define I2C2_ER_IRQHandler VectorC8 /**< I2C1 Error. */
#define SPI1_IRQHandler VectorCC /**< SPI1. */
#define SPI2_IRQHandler VectorD0 /**< SPI2. */
#define USART1_IRQHandler VectorD4 /**< USART1. */
#define USART2_IRQHandler VectorD8 /**< USART2. */
#define USART3_IRQHandler VectorDC /**< USART3. */
#define EXTI15_10_IRQHandler VectorE0 /**< EXTI Line 15..10. */
#define RTC_Alarm_IRQHandler VectorE4 /**< RTC alarm through EXTI
line. */
#define OTG_FS_WKUP_IRQHandler VectorE8 /**< USB OTG FS Wakeup through
EXTI line. */
#define TIM8_BRK_IRQHandler VectorEC /**< TIM8 Break. */
#define TIM8_UP_IRQHandler VectorF0 /**< TIM8 Update. */
#define TIM8_TRG_COM_IRQHandler VectorF4 /**< TIM8 Trigger and
Commutation. */
#define TIM8_CC_IRQHandler VectorF8 /**< TIM8 Capture Compare. */
#define DMA1_Stream7_IRQHandler VectorFC /**< DMA1 Stream 7. */
#define FSMC_IRQHandler Vector100 /**< FSMC. */
#define TIM5_IRQHandler Vector108 /**< TIM5. */
#define SPI3_IRQHandler Vector10C /**< SPI3. */
#define UART4_IRQHandler Vector110 /**< UART4. */
#define UART5_IRQHandler Vector114 /**< UART5. */
#define TIM6_IRQHandler Vector118 /**< TIM6. */
#define TIM7_IRQHandler Vector11C /**< TIM7. */
#define DMA2_Stream0_IRQHandler Vector120 /**< DMA2 Stream0. */
#define DMA2_Stream1_IRQHandler Vector124 /**< DMA2 Stream1. */
#define DMA2_Stream2_IRQHandler Vector128 /**< DMA2 Stream2. */
#define DMA2_Stream3_IRQHandler Vector12C /**< DMA2 Stream3. */
#define DMA2_Stream4_IRQHandler Vector130 /**< DMA2 Stream4. */
#define ETH_IRQHandler Vector134 /**< Ethernet. */
#define ETH_WKUP_IRQHandler Vector138 /**< Ethernet Wakeup through
EXTI line. */
#define CAN2_TX_IRQHandler Vector13C /**< CAN2 TX. */
#define CAN2_RX0_IRQHandler Vector140 /**< CAN2 RX0. */
#define CAN2_RX1_IRQHandler Vector144 /**< CAN2 RX1. */
#define CAN2_SCE_IRQHandler Vector148 /**< CAN2 SCE. */
#define OTG_FS_IRQHandler Vector14C /**< USB OTG FS. */
#define DMA2_Stream5_IRQHandler Vector150 /**< DMA2 Stream5. */
#define DMA2_Stream6_IRQHandler Vector154 /**< DMA2 Stream6. */
#define DMA2_Stream7_IRQHandler Vector158 /**< DMA2 Stream7. */
#define USART6_IRQHandler Vector15C /**< USART6. */
#define I2C3_EV_IRQHandler Vector160 /**< I2C3 Event. */
#define I2C3_ER_IRQHandler Vector164 /**< I2C3 Error. */
#define OTG_HS_EP1_OUT_IRQHandler Vector168 /**< USB OTG HS End Point 1 Out.*/
#define OTG_HS_EP1_IN_IRQHandler Vector16C /**< USB OTG HS End Point 1 In. */
#define OTG_HS_WKUP_IRQHandler Vector170 /**< USB OTG HS Wakeup through
EXTI line. */
#define OTG_HS_IRQHandler Vector174 /**< USB OTG HS. */
#define DCMI_IRQHandler Vector178 /**< DCMI. */
#define CRYP_IRQHandler Vector17C /**< CRYP. */
#define HASH_RNG_IRQHandler Vector180 /**< Hash and Rng. */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @brief Disables the PWR/RCC initialization in the HAL.
*/
#if !defined(STM32_NO_INIT) || defined(__DOXYGEN__)
#define STM32_NO_INIT FALSE
#endif
/**
* @brief Enables or disables the HSI clock source.
*/
#if !defined(STM32_HSI_ENABLED) || defined(__DOXYGEN__)
#define STM32_HSI_ENABLED TRUE
#endif
/**
* @brief Enables or disables the LSI clock source.
*/
#if !defined(STM32_LSI_ENABLED) || defined(__DOXYGEN__)
#define STM32_LSI_ENABLED FALSE
#endif
/**
* @brief Enables or disables the HSE clock source.
*/
#if !defined(STM32_HSE_ENABLED) || defined(__DOXYGEN__)
#define STM32_HSE_ENABLED TRUE
#endif
/**
* @brief Enables or disables the LSE clock source.
*/
#if !defined(STM32_LSE_ENABLED) || defined(__DOXYGEN__)
#define STM32_LSE_ENABLED FALSE
#endif
/**
* @brief ADC clock setting.
*/
#if !defined(STM32_ADC_CLOCK_ENABLED) || defined(__DOXYGEN__)
#define STM32_ADC_CLOCK_ENABLED TRUE
#endif
/**
* @brief USB clock setting.
*/
#if !defined(STM32_USB_CLOCK_ENABLED) || defined(__DOXYGEN__)
#define STM32_USB_CLOCK_ENABLED TRUE
#endif
/**
* @brief Main clock source selection.
* @note If the selected clock source is not the PLL then the PLL is not
* initialized and started.
* @note The default value is calculated for a 32MHz system clock from
* the internal 16MHz HSI clock.
*/
#if !defined(STM32_SW) || defined(__DOXYGEN__)
#define STM32_SW STM32_SW_PLL
#endif
/**
* @brief Clock source for the PLL.
* @note This setting has only effect if the PLL is selected as the
* system clock source.
* @note The default value is calculated for a 120MHz system clock from
* the external 25MHz HSE clock.
*/
#if !defined(STM32_PLLSRC) || defined(__DOXYGEN__)
#define STM32_PLLSRC STM32_PLLSRC_HSE
#endif
/**
* @brief PLLM divider value.
* @note The allowed values are 2..63.
* @note The default value is calculated for a 120MHz system clock from
* an external 25MHz HSE clock.
*/
#if !defined(STM32_PLLM_VALUE) || defined(__DOXYGEN__)
#define STM32_PLLM_VALUE 25
#endif
/**
* @brief PLLN multiplier value.
* @note The allowed values are 192..432.
* @note The default value is calculated for a 120MHz system clock from
* an external 25MHz HSE clock.
*/
#if !defined(STM32_PLLN_VALUE) || defined(__DOXYGEN__)
#define STM32_PLLN_VALUE 240
#endif
/**
* @brief PLLP multiplier value.
* @note The allowed values are DIV2, DIV4, DIV6, DIV8.
* @note The default value is calculated for a 120MHz system clock from
* an external 25MHz HSE clock.
*/
#if !defined(STM32_PLLP_VALUE) || defined(__DOXYGEN__)
#define STM32_PLLP_VALUE 2
#endif
/**
* @brief PLLQ multiplier value.
* @note The allowed values are 4..15.
* @note The default value is calculated for a 120MHz system clock from
* an external 25MHz HSE clock.
*/
#if !defined(STM32_PLLQ_VALUE) || defined(__DOXYGEN__)
#define STM32_PLLQ_VALUE 5
#endif
/**
* @brief AHB prescaler value.
* @note The default value is calculated for a 120MHz system clock from
* an external 25MHz HSE clock.
*/
#if !defined(STM32_HPRE) || defined(__DOXYGEN__)
#define STM32_HPRE STM32_HPRE_DIV1
#endif
/**
* @brief APB1 prescaler value.
*/
#if !defined(STM32_PPRE1) || defined(__DOXYGEN__)
#define STM32_PPRE1 STM32_PPRE1_DIV4
#endif
/**
* @brief APB2 prescaler value.
*/
#if !defined(STM32_PPRE2) || defined(__DOXYGEN__)
#define STM32_PPRE2 STM32_PPRE2_DIV2
#endif
/**
* @brief RTC prescaler value.
*/
#if !defined(STM32_RTCPRE_VALUE) || defined(__DOXYGEN__)
#define STM32_RTCPRE_VALUE 25
#endif
/**
* @brief MC01 clock source value.
* @note The default value outputs HSI clock on MC01 pin.
*/
#if !defined(STM32_MCO1SEL) || defined(__DOXYGEN__)
#define STM32_MCO1SEL STM32_MCO1SEL_HSI
#endif
/**
* @brief MC01 prescaler value.
* @note The default value outputs HSI clock on MC01 pin.
*/
#if !defined(STM32_MCO1PRE) || defined(__DOXYGEN__)
#define STM32_MCO1PRE STM32_MCO1PRE_DIV1
#endif
/**
* @brief MC02 clock source value.
* @note The default value outputs SYSCLK / 5 on MC02 pin.
*/
#if !defined(STM32_MCO2SEL) || defined(__DOXYGEN__)
#define STM32_MCO2SEL STM32_MCO2SEL_SYSCLK
#endif
/**
* @brief MC02 prescaler value.
* @note The default value outputs SYSCLK / 5 on MC02 pin.
*/
#if !defined(STM32_MCO2PRE) || defined(__DOXYGEN__)
#define STM32_MCO2PRE STM32_MCO2PRE_DIV5
#endif
/**
* @brief PLLI2SN multiplier value.
* @note The allowed values are 192..432.
* @note The default value is calculated for a 48000 I2S clock with
* I2SDIV = 12 and I2SODD = 1.
*/
#if !defined(STM32_PLLI2SN_VALUE) || defined(__DOXYGEN__)
#define STM32_PLLI2SN_VALUE 384
#endif
/**
* @brief PLLI2SR multiplier value.
* @note The allowed values are 2..7.
* @note The default value is calculated for a 48000 I2S clock with
* I2SDIV = 12 and I2SODD = 1.
*/
#if !defined(STM32_PLLI2SP_VALUE) || defined(__DOXYGEN__)
#define STM32_PLI2SLP_VALUE 5
#endif
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/**
* @brief Maximum HSECLK.
*/
#define STM32_HSECLK_MAX 32000000
/**
* @brief Maximum SYSCLK.
*/
#define STM32_SYSCLK_MAX 120000000
/**
* @brief Maximum frequency thresholds and wait states for flash access.
* @note The values are valid for 2.7V to 3.6V supply range.
*/
#define STM32_0WS_THRESHOLD 30000000
#define STM32_1WS_THRESHOLD 60000000
#define STM32_2WS_THRESHOLD 90000000
#define STM32_3WS_THRESHOLD 0
#define STM32_4WS_THRESHOLD 0
#define STM32_5WS_THRESHOLD 0
#define STM32_6WS_THRESHOLD 0
#define STM32_7WS_THRESHOLD 0
/* HSI related checks.*/
#if STM32_HSI_ENABLED
#else /* !STM32_HSI_ENABLED */
#if STM32_ADC_CLOCK_ENABLED || \
(STM32_SW == STM32_SW_HSI) || \
((STM32_SW == STM32_SW_PLL) && \
(STM32_PLLSRC == STM32_PLLSRC_HSI)) || \
(STM32_MCO1SEL == STM32_MCO1SEL_HSI) || \
((STM32_MCO1SEL == STM32_MCO1SEL_PLL) && \
(STM32_PLLSRC == STM32_PLLSRC_HSI))
#error "required HSI clock is not enabled"
#endif
#endif /* !STM32_HSI_ENABLED */
/* HSE related checks.*/
#if STM32_HSE_ENABLED
#if STM32_HSECLK == 0
#error "impossible to activate HSE"
#endif
#if (STM32_HSECLK < 1000000) || (STM32_HSECLK > STM32_HSECLK_MAX)
#error "STM32_HSECLK outside acceptable range (1MHz...STM32_HSECLK_MAX)"
#endif
#else /* !STM32_HSE_ENABLED */
#if (STM32_SW == STM32_SW_HSE) || \
((STM32_SW == STM32_SW_PLL) && \
(STM32_PLLSRC == STM32_PLLSRC_HSE)) || \
(STM32_MCO1SEL == STM32_MCO1SEL_HSE) || \
((STM32_MCO1SEL == STM32_MCO1SEL_PLL) && \
(STM32_PLLSRC == STM32_PLLSRC_HSE)) || \
(STM32_MCO2SEL == STM32_MCO2SEL_HSE) || \
((STM32_MCO2SEL == STM32_MCO2SEL_PLL) && \
(STM32_PLLSRC == STM32_PLLSRC_HSE)) || \
(STM_RTC_SOURCE == STM32_RTCSEL_HSEDIV)
#error "required HSE clock is not enabled"
#endif
#endif /* !STM32_HSE_ENABLED */
/* LSI related checks.*/
#if STM32_LSI_ENABLED
#else /* !STM32_LSI_ENABLED */
#if STM_RTCCLK == STM32_LSICLK
#error "required LSI clock is not enabled"
#endif
#endif /* !STM32_LSI_ENABLED */
/* LSE related checks.*/
#if STM32_LSE_ENABLED
#if (STM32_LSECLK == 0)
#error "impossible to activate LSE"
#endif
#if (STM32_LSECLK < 1000) || (STM32_LSECLK > 1000000)
#error "STM32_LSECLK outside acceptable range (1...1000KHz)"
#endif
#else /* !#if STM32_LSE_ENABLED */
#if STM_RTCCLK == STM32_LSECLK
#error "required LSE clock is not enabled"
#endif
#endif /* !#if STM32_LSE_ENABLED */
/* PLL related checks.*/
#if STM32_USB_CLOCK_ENABLED || \
(STM32_SW == STM32_SW_PLL) || \
(STM32_MCO1SEL == STM32_MCO1SEL_PLL) || \
(STM32_MCO2SEL == STM32_MCO2SEL_PLL) || \
defined(__DOXYGEN__)
/**
* @brief PLL activation flag.
*/
#define STM32_ACTIVATE_PLL TRUE
#else
#define STM32_ACTIVATE_PLL FALSE
#endif
/**
* @brief STM32_PLLM field.
*/
#if ((STM32_PLLM_VALUE >= 2) && (STM32_PLLM_VALUE <= 63)) || \
defined(__DOXYGEN__)
#define STM32_PLLM STM32_PLLM_VALUE
#else
#error "invalid STM32_PLLM_VALUE value specified"
#endif
/**
* @brief STM32_PLLN field.
*/
#if ((STM32_PLLN_VALUE >= 192) && (STM32_PLLN_VALUE <= 432)) || \
defined(__DOXYGEN__)
#define STM32_PLLN (STM32_PLLN_VALUE << 6)
#else
#error "invalid STM32_PLLN_VALUE value specified"
#endif
/**
* @brief STM32_PLLP field.
*/
#if (STM32_PLLP_VALUE == 2) || defined(__DOXYGEN__)
#define STM32_PLLP (0 << 16)
#elif STM32_PLLP_VALUE == 4
#define STM32_PLLP (1 << 16)
#elif STM32_PLLP_VALUE == 6
#define STM32_PLLP (2 << 16)
#elif STM32_PLLP_VALUE == 8
#define STM32_PLLP (3 << 16)
#else
#error "invalid STM32_PLLP_VALUE value specified"
#endif
/**
* @brief STM32_PLLQ field.
*/
#if ((STM32_PLLQ_VALUE >= 4) && (STM32_PLLQ_VALUE <= 15)) || \
defined(__DOXYGEN__)
#define STM32_PLLQ (STM32_PLLQ_VALUE << 24)
#else
#error "invalid STM32_PLLQ_VALUE value specified"
#endif
/**
* @brief PLL input clock frequency.
*/
#if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__)
#define STM32_PLLCLKIN STM32_HSECLK
#elif STM32_PLLSRC == STM32_PLLSRC_HSI
#define STM32_PLLCLKIN STM32_HSICLK
#else
#error "invalid STM32_PLLSRC value specified"
#endif
/* PLL input frequency range check.*/
#if (STM32_PLLCLKIN < 4000000) || (STM32_PLLCLKIN > 26000000)
#error "STM32_PLLCLKIN outside acceptable range (4...26MHz)"
#endif
/**
* @brief PLL VCO frequency.
*/
#define STM32_PLLVCO ((STM32_PLLCLKIN / STM32_PLLM_VALUE) * \
STM32_PLLN_VALUE)
/* PLL output frequency range check.*/
#if (STM32_PLLVCO < 192000000) || (STM32_PLLVCO > 432000000)
#error STM32_PLLVCO
#error "STM32_PLLVCO outside acceptable range (192...432MHz)"
#endif
/**
* @brief PLL output clock frequency.
*/
#define STM32_PLLCLKOUT (STM32_PLLVCO / STM32_PLLP_VALUE)
/* PLL output frequency range check.*/
#if (STM32_PLLCLKOUT < 24000000) || (STM32_PLLCLKOUT > 120000000)
#error "STM32_PLLCLKOUT outside acceptable range (24...120MHz)"
#endif
/**
* @brief System clock source.
*/
#if STM32_NO_INIT || defined(__DOXYGEN__)
#define STM32_SYSCLK 96000000
#elif (STM32_SW == STM32_SW_HSI)
#define STM32_SYSCLK STM32_HSICLK
#elif (STM32_SW == STM32_SW_HSE)
#define STM32_SYSCLK STM32_HSECLK
#elif (STM32_SW == STM32_SW_PLL)
#define STM32_SYSCLK STM32_PLLCLKOUT
#else
#error "invalid STM32_SW value specified"
#endif
/* Check on the system clock.*/
#if STM32_SYSCLK > STM32_SYSCLK_MAX
#error "STM32_SYSCLK above maximum rated frequency (STM32_SYSCLK_MAX)"
#endif
/**
* @brief AHB frequency.
*/
#if (STM32_HPRE == STM32_HPRE_DIV1) || defined(__DOXYGEN__)
#define STM32_HCLK (STM32_SYSCLK / 1)
#elif STM32_HPRE == STM32_HPRE_DIV2
#define STM32_HCLK (STM32_SYSCLK / 2)
#elif STM32_HPRE == STM32_HPRE_DIV4
#define STM32_HCLK (STM32_SYSCLK / 4)
#elif STM32_HPRE == STM32_HPRE_DIV8
#define STM32_HCLK (STM32_SYSCLK / 8)
#elif STM32_HPRE == STM32_HPRE_DIV16
#define STM32_HCLK (STM32_SYSCLK / 16)
#elif STM32_HPRE == STM32_HPRE_DIV64
#define STM32_HCLK (STM32_SYSCLK / 64)
#elif STM32_HPRE == STM32_HPRE_DIV128
#define STM32_HCLK (STM32_SYSCLK / 128)
#elif STM32_HPRE == STM32_HPRE_DIV256
#define STM32_HCLK (STM32_SYSCLK / 256)
#elif STM32_HPRE == STM32_HPRE_DIV512
#define STM32_HCLK (STM32_SYSCLK / 512)
#else
#error "invalid STM32_HPRE value specified"
#endif
/* AHB frequency check.*/
#if STM32_HCLK > STM32_SYSCLK_MAX
#error "STM32_HCLK exceeding maximum frequency (STM32_SYSCLK_MAX)"
#endif
/**
* @brief APB1 frequency.
*/
#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
#define STM32_PCLK1 (STM32_HCLK / 1)
#elif STM32_PPRE1 == STM32_PPRE1_DIV2
#define STM32_PCLK1 (STM32_HCLK / 2)
#elif STM32_PPRE1 == STM32_PPRE1_DIV4
#define STM32_PCLK1 (STM32_HCLK / 4)
#elif STM32_PPRE1 == STM32_PPRE1_DIV8
#define STM32_PCLK1 (STM32_HCLK / 8)
#elif STM32_PPRE1 == STM32_PPRE1_DIV16
#define STM32_PCLK1 (STM32_HCLK / 16)
#else
#error "invalid STM32_PPRE1 value specified"
#endif
/* APB1 frequency check.*/
#if STM32_PCLK2 > STM32_SYSCLK_MAX
#error "STM32_PCLK1 exceeding maximum frequency (STM32_SYSCLK_MAX)"
#endif
/**
* @brief APB2 frequency.
*/
#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
#define STM32_PCLK2 (STM32_HCLK / 1)
#elif STM32_PPRE2 == STM32_PPRE2_DIV2
#define STM32_PCLK2 (STM32_HCLK / 2)
#elif STM32_PPRE2 == STM32_PPRE2_DIV4
#define STM32_PCLK2 (STM32_HCLK / 4)
#elif STM32_PPRE2 == STM32_PPRE2_DIV8
#define STM32_PCLK2 (STM32_HCLK / 8)
#elif STM32_PPRE2 == STM32_PPRE2_DIV16
#define STM32_PCLK2 (STM32_HCLK / 16)
#else
#error "invalid STM32_PPRE2 value specified"
#endif
/* APB2 frequency check.*/
#if STM32_PCLK2 > STM32_SYSCLK_MAX
#error "STM32_PCLK2 exceeding maximum frequency (STM32_SYSCLK_MAX)"
#endif
/**
* @brief RTC frequency.
*/
#if ((STM32_RTCPRE_VALUE >= 2) && (STM32_RTCPRE_VALUE <= 31)) || \
defined(__DOXYGEN__)
#define STM32_RTCPRE (STM32_RTCPRE_VALUE << 16)
#else
#error "invalid STM32_RTCPRE value specified"
#endif
/**
* @brief MCO1 divider clock.
*/
#if (STM32_MCO1SEL == STM32_MCO1SEL_HSI) || defined(__DOXYGEN__)
#define STM_MCO1DIVCLK STM32_HSICLK
#elif STM32_MCO1SEL == STM32_MCO1SEL_LSE
#define STM_MCO1DIVCLK STM32_LSECLK
#elif STM32_MCO1SEL == STM32_MCO1SEL_HSE
#define STM_MCO1DIVCLK STM32_HSECLK
#elif STM32_MCO1SEL == STM32_MCO1SEL_PLL
#define STM_MCO1DIVCLK STM32_PLLCLKOUT
#else
#error "invalid STM32_MCO1SEL value specified"
#endif
/**
* @brief MCO1 output pin clock.
*/
#if (STM32_MCO1PRE == STM32_MCO1PRE_DIV1) || defined(__DOXYGEN__)
#define STM_MCO1CLK STM_MCO1DIVCLK
#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV2
#define STM_MCO1CLK (STM_MCO1DIVCLK / 2)
#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV3
#define STM_MCO1CLK (STM_MCO1DIVCLK / 3)
#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV4
#define STM_MCO1CLK (STM_MCO1DIVCLK / 4)
#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV5
#define STM_MCO1CLK (STM_MCO1DIVCLK / 5)
#else
#error "invalid STM32_MCO1PRE value specified"
#endif
/**
* @brief MCO2 divider clock.
*/
#if (STM32_MCO2SEL == STM32_MCO2SEL_HSE) || defined(__DOXYGEN__)
#define STM_MCO2DIVCLK STM32_HSECLK
#elif STM32_MCO2SEL == STM32_MCO2SEL_PLL
#define STM_MCO2DIVCLK STM32_PLLCLKOUT
#elif STM32_MCO2SEL == STM32_MCO2SEL_SYSCLK
#define STM_MCO2DIVCLK STM32_SYSCLK
#elif STM32_MCO2SEL == STM32_MCO2SEL_PLLI2S
#define STM_MCO2DIVCLK STM32_PLLI2S
#else
#error "invalid STM32_MCO2SEL value specified"
#endif
/**
* @brief MCO2 output pin clock.
*/
#if (STM32_MCO2PRE == STM32_MCO2PRE_DIV1) || defined(__DOXYGEN__)
#define STM_MCO2CLK STM_MCO2DIVCLK
#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV2
#define STM_MCO2CLK (STM_MCO2DIVCLK / 2)
#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV3
#define STM_MCO2CLK (STM_MCO2DIVCLK / 3)
#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV4
#define STM_MCO2CLK (STM_MCO2DIVCLK / 4)
#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV5
#define STM_MCO2CLK (STM_MCO2DIVCLK / 5)
#else
#error "invalid STM32_MCO2PRE value specified"
#endif
/**
* @brief HSE divider toward RTC clock.
*/
#if ((STM32_RTCPRE_VALUE >= 2) && (STM32_RTCPRE_VALUE <= 31)) || \
defined(__DOXYGEN__)
#define STM32_HSEDIVCLK (HSECLK / STM32_RTCPRE_VALUE)
#else
#error "invalid STM32_RTCPRE value specified"
#endif
/**
* @brief RTC clock.
*/
#if (STM32_RTCSEL == STM32_RTCSEL_NOCLOCK) || defined(__DOXYGEN__)
#define STM_RTCCLK 0
#elif STM32_RTCSEL == STM32_RTCSEL_LSE
#define STM_RTCCLK STM32_LSECLK
#elif STM32_RTCSEL == STM32_RTCSEL_LSI
#define STM_RTCCLK STM32_LSICLK
#elif STM32_RTCSEL == STM32_RTCSEL_HSEDIV
#define STM_RTCCLK STM32_HSEDIVCLK
#else
#error "invalid STM32_RTCSEL value specified"
#endif
/**
* @brief ADC frequency.
*/
#if (STM32_ADCPRE == STM32_ADCPRE_DIV2) || defined(__DOXYGEN__)
#define STM32_ADCCLK (STM32_PCLK2 / 2)
#elif STM32_ADCPRE == STM32_ADCPRE_DIV4
#define STM32_ADCCLK (STM32_PCLK2 / 4)
#elif STM32_ADCPRE == STM32_ADCPRE_DIV6
#define STM32_ADCCLK (STM32_PCLK2 / 6)
#elif STM32_ADCPRE == STM32_ADCPRE_DIV8
#define STM32_ADCCLK (STM32_PCLK2 / 8)
#else
#error "invalid STM32_ADCPRE value specified"
#endif
/* ADC frequency check.*/
#if STM32_ADCCLK > 30000000
#error "STM32_ADCCLK exceeding maximum frequency (30MHz)"
#endif
/**
* @brief OTG frequency.
*/
#if (STM32_OTGFSPRE == STM32_OTGFSPRE_DIV3) || defined(__DOXYGEN__)
#define STM32_OTGFSCLK (STM32_PLLVCO / 3)
#elif (STM32_OTGFSPRE == STM32_OTGFSPRE_DIV2)
#define STM32_OTGFSCLK (STM32_PLLVCO / 2)
#else
#error "invalid STM32_OTGFSPRE value specified"
#endif
/**
* @brief Timers 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14 clock.
*/
#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
#define STM32_TIMCLK1 (STM32_PCLK1 * 1)
#else
#define STM32_TIMCLK1 (STM32_PCLK1 * 2)
#endif
/**
* @brief Timers 1, 8 clock.
*/
#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
#define STM32_TIMCLK2 (STM32_PCLK2 * 1)
#else
#define STM32_TIMCLK2 (STM32_PCLK2 * 2)
#endif
/**
* @brief Flash settings.
*/
#if (STM32_HCLK <= STM32_0WS_THRESHOLD) || defined(__DOXYGEN__)
#define STM32_FLASHBITS 0x00000000
#elif STM32_HCLK <= STM32_1WS_THRESHOLD
#define STM32_FLASHBITS 0x00000001
#elif STM32_HCLK <= STM32_2WS_THRESHOLD
#define STM32_FLASHBITS 0x00000002
#elif STM32_HCLK <= STM32_3WS_THRESHOLD
#define STM32_FLASHBITS 0x00000003
#elif STM32_HCLK <= STM32_4WS_THRESHOLD
#define STM32_FLASHBITS 0x00000004
#elif STM32_HCLK <= STM32_5WS_THRESHOLD
#define STM32_FLASHBITS 0x00000005
#elif STM32_HCLK <= STM32_6WS_THRESHOLD
#define STM32_FLASHBITS 0x00000006
#else
#define STM32_FLASHBITS 0x00000007
#endif
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
/* STM32 DMA support code.*/
//#include "stm32_dma.h"
#ifdef __cplusplus
extern "C" {
#endif
void hal_lld_init(void);
void stm32_clock_init(void);
#ifdef __cplusplus
}
#endif
#endif /* _HAL_LLD_H_ */
/** @} */

9
os/hal/platforms/STM32F4xx/platform.mk Normal file
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@ -0,0 +1,9 @@
# List of all the STM32L1xx platform files.
PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/STM32F4xx/hal_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/serial_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/GPIOv2/pal_lld.c
# Required include directories
PLATFORMINC = ${CHIBIOS}/os/hal/platforms/STM32F4xx \
${CHIBIOS}/os/hal/platforms/STM32 \
${CHIBIOS}/os/hal/platforms/STM32/GPIOv2

541
os/hal/platforms/STM32F4xx/stm32_dma.c Normal file
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@ -0,0 +1,541 @@
/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file STM32F4xx/stm32_dma.c
* @brief Enhanced DMA helper driver code.
*
* @addtogroup STM32_DMA
* @details DMA sharing helper driver. In the STM32 the DMA streams are a
* shared resource, this driver allows to allocate and free DMA
* streams at runtime in order to allow all the other device
* drivers to coordinate the access to the resource.
* @note The DMA ISR handlers are all declared into this module because
* sharing, the various device drivers can associate a callback to
* IRSs when allocating streams.
* @{
*/
#include "ch.h"
#include "hal.h"
/* The following macro is only defined if some driver requiring DMA services
has been enabled.*/
#if defined(STM32_DMA_REQUIRED) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/**
* @brief Mask of the DMA1 streams in @p dma_streams_mask.
*/
#define STM32_DMA1_STREAMS_MASK 0x000000FF
/**
* @brief Mask of the DMA2 streams in @p dma_streams_mask.
*/
#define STM32_DMA2_STREAMS_MASK 0x0000FF00
/**
* @brief Post-reset value of the stream CR register.
*/
#define STM32_DMA_CR_RESET_VALUE 0x00000000
/**
* @brief Post-reset value of the stream FCR register.
*/
#define STM32_DMA_FCR_RESET_VALUE 0x00000021
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/**
* @brief DMA streams descriptors.
* @details This table keeps the association between an unique stream
* identifier and the involved physical registers.
* @note Don't use this array directly, use the appropriate wrapper macros
* instead: @p STM32_DMA1_STREAM0, @p STM32_DMA1_STREAM1 etc.
*/
const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS] = {
{0, DMA1, DMA1_Stream0, &DMA1->LIFCR, 0},
{1, DMA1, DMA1_Stream1, &DMA1->LIFCR, 6},
{2, DMA1, DMA1_Stream2, &DMA1->LIFCR, 16},
{3, DMA1, DMA1_Stream3, &DMA1->LIFCR, 22},
{4, DMA1, DMA1_Stream4, &DMA1->HIFCR, 0},
{5, DMA1, DMA1_Stream5, &DMA1->HIFCR, 6},
{6, DMA1, DMA1_Stream6, &DMA1->HIFCR, 16},
{7, DMA1, DMA1_Stream7, &DMA1->HIFCR, 22},
{8, DMA2, DMA2_Stream0, &DMA2->LIFCR, 0},
{9, DMA2, DMA2_Stream1, &DMA2->LIFCR, 6},
{10, DMA2, DMA2_Stream2, &DMA2->LIFCR, 16},
{11, DMA2, DMA2_Stream3, &DMA2->LIFCR, 22},
{12, DMA2, DMA2_Stream4, &DMA2->HIFCR, 0},
{13, DMA2, DMA2_Stream5, &DMA2->HIFCR, 6},
{14, DMA2, DMA2_Stream6, &DMA2->HIFCR, 16},
{15, DMA2, DMA2_Stream7, &DMA2->HIFCR, 22},
};
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
/**
* @brief DMA ISR redirector type.
*/
typedef struct {
stm32_dmaisr_t dma_func;
void *dma_param;
} dma_isr_redir_t;
/**
* @brief Mask of the allocated streams.
*/
static uint32_t dma_streams_mask;
/**
* @brief DMA IRQ redirectors.
*/
static dma_isr_redir_t dma_isr_redir[STM32_DMA_STREAMS];
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/**
* @brief DMA1 stream 0 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(DMA1_Stream0_IRQHandler) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA1->LISR >> 0) & STM32_DMA_ISR_MASK;
DMA1->LIFCR = STM32_DMA_ISR_MASK << 0;
if (dma_isr_redir[0].dma_func)
dma_isr_redir[0].dma_func(dma_isr_redir[0].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA1 stream 1 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(DMA1_Stream1_IRQHandler) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA1->LISR >> 6) & STM32_DMA_ISR_MASK;
DMA1->LIFCR = STM32_DMA_ISR_MASK << 6;
if (dma_isr_redir[1].dma_func)
dma_isr_redir[1].dma_func(dma_isr_redir[0].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA1 stream 2 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(DMA1_Stream2_IRQHandler) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA1->LISR >> 16) & STM32_DMA_ISR_MASK;
DMA1->LIFCR = STM32_DMA_ISR_MASK << 16;
if (dma_isr_redir[2].dma_func)
dma_isr_redir[2].dma_func(dma_isr_redir[2].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA1 stream 3 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(DMA1_Stream3_IRQHandler) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA1->LISR >> 22) & STM32_DMA_ISR_MASK;
DMA1->LIFCR = STM32_DMA_ISR_MASK << 22;
if (dma_isr_redir[3].dma_func)
dma_isr_redir[3].dma_func(dma_isr_redir[3].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA1 stream 4 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(DMA1_Stream4_IRQHandler) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA1->HISR >> 0) & STM32_DMA_ISR_MASK;
DMA1->HIFCR = STM32_DMA_ISR_MASK << 0;
if (dma_isr_redir[4].dma_func)
dma_isr_redir[4].dma_func(dma_isr_redir[4].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA1 stream 5 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(DMA1_Stream5_IRQHandler) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA1->HISR >> 6) & STM32_DMA_ISR_MASK;
DMA1->HIFCR = STM32_DMA_ISR_MASK << 6;
if (dma_isr_redir[5].dma_func)
dma_isr_redir[5].dma_func(dma_isr_redir[5].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA1 stream 6 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(DMA1_Stream6_IRQHandler) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA1->HISR >> 16) & STM32_DMA_ISR_MASK;
DMA1->HIFCR = STM32_DMA_ISR_MASK << 16;
if (dma_isr_redir[6].dma_func)
dma_isr_redir[6].dma_func(dma_isr_redir[6].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA1 stream 7 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(DMA1_Stream7_IRQHandler) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA1->HISR >> 22) & STM32_DMA_ISR_MASK;
DMA1->HIFCR = STM32_DMA_ISR_MASK << 22;
if (dma_isr_redir[7].dma_func)
dma_isr_redir[7].dma_func(dma_isr_redir[7].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA2 stream 0 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(DMA2_Stream0_IRQHandler) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA2->LISR >> 0) & STM32_DMA_ISR_MASK;
DMA2->LIFCR = STM32_DMA_ISR_MASK << 0;
if (dma_isr_redir[8].dma_func)
dma_isr_redir[8].dma_func(dma_isr_redir[8].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA2 stream 1 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(DMA2_Stream1_IRQHandler) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA2->LISR >> 6) & STM32_DMA_ISR_MASK;
DMA2->LIFCR = STM32_DMA_ISR_MASK << 6;
if (dma_isr_redir[9].dma_func)
dma_isr_redir[9].dma_func(dma_isr_redir[9].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA2 stream 2 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(DMA2_Stream2_IRQHandler) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA2->LISR >> 16) & STM32_DMA_ISR_MASK;
DMA2->LIFCR = STM32_DMA_ISR_MASK << 16;
if (dma_isr_redir[10].dma_func)
dma_isr_redir[10].dma_func(dma_isr_redir[10].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA2 stream 3 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(DMA2_Stream3_IRQHandler) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA2->LISR >> 22) & STM32_DMA_ISR_MASK;
DMA2->LIFCR = STM32_DMA_ISR_MASK << 22;
if (dma_isr_redir[11].dma_func)
dma_isr_redir[11].dma_func(dma_isr_redir[11].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA2 stream 4 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(DMA2_Stream4_IRQHandler) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA2->HISR >> 0) & STM32_DMA_ISR_MASK;
DMA2->HIFCR = STM32_DMA_ISR_MASK << 0;
if (dma_isr_redir[12].dma_func)
dma_isr_redir[12].dma_func(dma_isr_redir[12].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA2 stream 5 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(DMA2_Stream5_IRQHandler) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA2->HISR >> 6) & STM32_DMA_ISR_MASK;
DMA2->HIFCR = STM32_DMA_ISR_MASK << 6;
if (dma_isr_redir[13].dma_func)
dma_isr_redir[13].dma_func(dma_isr_redir[13].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA2 stream 6 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(DMA2_Stream6_IRQHandler) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA2->HISR >> 16) & STM32_DMA_ISR_MASK;
DMA2->HIFCR = STM32_DMA_ISR_MASK << 16;
if (dma_isr_redir[14].dma_func)
dma_isr_redir[14].dma_func(dma_isr_redir[14].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA2 stream 7 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(DMA2_Stream7_IRQHandler) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA2->HISR >> 22) & STM32_DMA_ISR_MASK;
DMA2->HIFCR = STM32_DMA_ISR_MASK << 22;
if (dma_isr_redir[15].dma_func)
dma_isr_redir[15].dma_func(dma_isr_redir[15].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief STM32 DMA helper initialization.
*
* @init
*/
void dmaInit(void) {
int i;
dma_streams_mask = 0;
for (i = 0; i < STM32_DMA_STREAMS; i++) {
_stm32_dma_streams[i].stream->CR = 0;
dma_isr_redir[i].dma_func = NULL;
}
DMA1->LIFCR = 0xFFFFFFFF;
DMA1->HIFCR = 0xFFFFFFFF;
DMA2->LIFCR = 0xFFFFFFFF;
DMA2->HIFCR = 0xFFFFFFFF;
}
/**
* @brief Allocates a DMA stream.
* @details The stream is allocated and, if required, the DMA clock enabled.
* The function also enables the IRQ vector associated to the stream
* and initializes its priority.
* @pre The stream must not be already in use or an error is returned.
* @post The stream is allocated and the default ISR handler redirected
* to the specified function.
* @post The stream ISR vector is enabled and its priority configured.
* @post The stream must be freed using @p dmaStreamRelease() before it can
* be reused with another peripheral.
* @post The stream is in its post-reset state.
* @note This function can be invoked in both ISR or thread context.
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
* @param[in] priority IRQ priority mask for the DMA stream
* @param[in] func handling function pointer, can be @p NULL
* @param[in] param a parameter to be passed to the handling function
* @return The operation status.
* @retval FALSE no error, stream taken.
* @retval TRUE error, stream already taken.
*
* @special
*/
bool_t dmaStreamAllocate(const stm32_dma_stream_t *dmastp,
uint32_t priority,
stm32_dmaisr_t func,
void *param) {
chDbgCheck(dmastp != NULL, "dmaAllocate");
/* Checks if the stream is already taken.*/
if ((dma_streams_mask & dmastp->mask) != 0)
return TRUE;
/* Marks the stream as allocated.*/
dma_isr_redir[dmastp->selfindex].dma_func = func;
dma_isr_redir[dmastp->selfindex].dma_param = param;
dma_streams_mask |= (1 << dmastp->selfindex);
/* Enabling DMA clocks required by the current streams set.*/
if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) != 0) {
RCC->AHB1ENR |= RCC_AHB1ENR_DMA1EN;
RCC->AHB1LPENR |= RCC_AHB1LPENR_DMA1LPEN;
}
if ((dma_streams_mask & STM32_DMA2_STREAMS_MASK) != 0) {
RCC->AHB1ENR |= RCC_AHB1ENR_DMA2EN;
RCC->AHB1LPENR |= RCC_AHB1LPENR_DMA2LPEN;
}
/* Putting the stream in a safe state.*/
dmaStreamDisable(dmastp);
dmaStreamClearInterrupt(dmastp);
dmastp->channel->CR = STM32_DMA_CR_RESET_VALUE;
dmastp->channel->FCR = STM32_DMA_FCR_RESET_VALUE;
/* Enables the associated IRQ vector if a callback is defined.*/
if (func != NULL)
NVICEnableVector(dmastp->vector, CORTEX_PRIORITY_MASK(priority));
return FALSE;
}
/**
* @brief Releases a DMA stream.
* @details The stream is freed and, if required, the DMA clock disabled.
* Trying to release a unallocated stream is an illegal operation
* and is trapped if assertions are enabled.
* @pre The stream must have been allocated using @p dmaStreamAllocate().
* @post The stream is again available.
* @note This function can be invoked in both ISR or thread context.
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
*
* @special
*/
void dmaStreamRelease(const stm32_dma_stream_t *dmastp) {
chDbgCheck(dmastp != NULL, "dmaRelease");
/* Check if the streams is not taken.*/
chDbgAssert((dma_streams_mask & dmastp->mask) != 0,
"dmaRelease(), #1", "not allocated");
/* Disables the associated IRQ vector.*/
NVICDisableVector(dmastp->vector);
/* Marks the stream as not allocated.*/
dma_streams_mask &= ~(1 << dmastp->selfindex);
/* Shutting down clocks that are no more required, if any.*/
if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) == 0) {
RCC->AHB1ENR &= ~RCC_AHB1ENR_DMA1EN;
RCC->AHB1LPENR &= ~RCC_AHB1LPENR_DMA1LPEN;
}
if ((dma_streams_mask & STM32_DMA2_STREAMS_MASK) == 0) {
RCC->AHB1ENR &= ~RCC_AHB1ENR_DMA2EN;
RCC->AHB1LPENR &= ~RCC_AHB1LPENR_DMA2LPEN;
}
}
#endif /* STM32_DMA_REQUIRED */
/** @} */

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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file STM32F4xx/stm32_dma.h
* @brief Enhanced-DMA helper driver header.
* @note This file requires definitions from the ST STM32F2xx header file
* stm32f2xx.h.
*
* @addtogroup STM32_DMA
* @{
*/
#ifndef _STM32_DMA_H_
#define _STM32_DMA_H_
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @brief Total number of DMA streams.
* @note This is the total number of streams among all the DMA units.
*/
#define STM32_DMA_STREAMS 16
/**
* @brief Mask of the ISR bits passed to the DMA callback functions.
*/
#define STM32_DMA_ISR_MASK 0x3D
/**
* @name DMA streams identifiers
* @{
*/
#define STM32_DMA1_STREAM0 (&_stm32_dma_streams[0])
#define STM32_DMA1_STREAM1 (&_stm32_dma_streams[1])
#define STM32_DMA1_STREAM2 (&_stm32_dma_streams[2])
#define STM32_DMA1_STREAM3 (&_stm32_dma_streams[3])
#define STM32_DMA1_STREAM4 (&_stm32_dma_streams[4])
#define STM32_DMA1_STREAM5 (&_stm32_dma_streams[5])
#define STM32_DMA1_STREAM6 (&_stm32_dma_streams[6])
#define STM32_DMA1_STREAM7 (&_stm32_dma_streams[7])
#define STM32_DMA2_STREAM0 (&_stm32_dma_streams[8])
#define STM32_DMA2_STREAM1 (&_stm32_dma_streams[9])
#define STM32_DMA2_STREAM2 (&_stm32_dma_streams[10])
#define STM32_DMA2_STREAM3 (&_stm32_dma_streams[11])
#define STM32_DMA2_STREAM4 (&_stm32_dma_streams[12])
#define STM32_DMA2_STREAM5 (&_stm32_dma_streams[13])
#define STM32_DMA2_STREAM6 (&_stm32_dma_streams[14])
#define STM32_DMA2_STREAM7 (&_stm32_dma_streams[15])
/** @} */
/**
* @name CR register constants common to all DMA types
*/
#define STM32_DMA_CR_EN DMA_SxCR_EN
#define STM32_DMA_CR_TEIE DMA_SxCR_TEIE
#define STM32_DMA_CR_HTIE DMA_SxCR_HTIE
#define STM32_DMA_CR_TCIE DMA_SxCR_TCIE
#define STM32_DMA_CR_DIR_MASK DMA_SxCR_DIR
#define STM32_DMA_CR_DIR_P2M 0
#define STM32_DMA_CR_DIR_M2P DMA_SxCR_DIR_0
#define STM32_DMA_CR_DIR_M2M DMA_SxCR_DIR_1
#define STM32_DMA_CR_CIRC DMA_SxCR_CIRC
#define STM32_DMA_CR_PINC DMA_SxCR_PINC
#define STM32_DMA_CR_MINC DMA_SxCR_MINC
#define STM32_DMA_CR_PSIZE_MASK DMA_SxCR_PSIZE
#define STM32_DMA_CR_PSIZE_BYTE 0
#define STM32_DMA_CR_PSIZE_HWORD DMA_SxCR_PSIZE_0
#define STM32_DMA_CR_PSIZE_WORD DMA_SxCR_PSIZE_1
#define STM32_DMA_CR_MSIZE_MASK DMA_SxCR_MSIZE
#define STM32_DMA_CR_MSIZE_BYTE 0
#define STM32_DMA_CR_MSIZE_HWORD DMA_SxCR_MSIZE_0
#define STM32_DMA_CR_MSIZE_WORD DMA_SxCR_MSIZE_1
#define STM32_DMA_CR_PL_MASK DMA_SxCR_PL
#define STM32_DMA_CR_PL(n) ((n) << 16)
/** @} */
/**
* @name CR register constants only found in STM32F2xx
*/
#define STM32_DMA_CR_DMEIE DMA_SxCR_DMEIE
#define STM32_DMA_CR_PFCTRL DMA_SxCR_PFCTRL
#define STM32_DMA_CR_PINCOS DMA_SxCR_PINCOS
#define STM32_DMA_CR_DBM DMA_SxCR_DBM
#define STM32_DMA_CR_CT DMA_SxCR_CT
#define STM32_DMA_CR_PBURST_MASK DMA_SxCR_PBURST
#define STM32_DMA_CR_PBURST_SINGLE 0
#define STM32_DMA_CR_PBURST_INCR4 DMA_SxCR_PBURST_0
#define STM32_DMA_CR_PBURST_INCR8 DMA_SxCR_PBURST_1
#define STM32_DMA_CR_PBURST_INCR16 (DMA_SxCR_PBURST_0 | DMA_SxCR_PBURST_1)
#define STM32_DMA_CR_MBURST_MASK DMA_SxCR_MBURST
#define STM32_DMA_CR_MBURST_SINGLE 0
#define STM32_DMA_CR_MBURST_INCR4 DMA_SxCR_MBURST_0
#define STM32_DMA_CR_MBURST_INCR8 DMA_SxCR_MBURST_1
#define STM32_DMA_CR_MBURST_INCR16 (DMA_SxCR_MBURST_0 | DMA_SxCR_MBURST_1)
#define STM32_DMA_CR_CHSEL_MASK DMA_SxCR_CHSEL
#define STM32_DMA_CR_CHSEL(n) ((n) << 25)
/** @} */
/**
* @name FCR register constants only found in STM32F2xx
*/
#define STM32_DMA_FCR_FEIE DMA_SxFCR_FEIE
#define STM32_DMA_FCR_FS_MASK DMA_SxFCR_FS
#define STM32_DMA_FCR_DMDIS DMA_SxFCR_DMDIS
#define STM32_DMA_FCR_FTH_MASK DMA_SxFCR_FTH
#define STM32_DMA_FCR_FTH_1Q 0
#define STM32_DMA_FCR_FTH_HALF DMA_SxFCR_FTH_0
#define STM32_DMA_FCR_FTH_3Q DMA_SxFCR_FTH_1
#define STM32_DMA_FCR_FTH_FULL (DMA_SxFCR_FTH_0 | DMA_SxFCR_FTH_1)
/** @} */
/**
* @name Status flags passed to the ISR callbacks
*/
#define STM32_DMA_ISR_FEIF DMA_LISR_FEIF0
#define STM32_DMA_ISR_DMEIF DMA_LISR_DMEIF0
#define STM32_DMA_ISR_TEIF DMA_LISR_TEIF0
#define STM32_DMA_ISR_HTIF DMA_LISR_HTIF0
#define STM32_DMA_ISR_TCIF DMA_LISR_TCIF0
/** @} */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief STM32 DMA stream descriptor structure.
*/
typedef struct {
DMA_Channel_TypeDef *channel; /**< @brief Associated DMA channel. */
volatile uint32_t *ifcr; /**< @brief Associated IFCR reg. */
uint8_t ishift; /**< @brief Bits offset in xIFCR
register. */
uint8_t selfindex; /**< @brief Index to self in array. */
uint8_t vector; /**< @brief Associated IRQ vector. */
} stm32_dma_stream_t;
/**
* @brief STM32 DMA ISR function type.
*
* @param[in] p parameter for the registered function
* @param[in] flags pre-shifted content of the xISR register, the bits
* are aligned to bit zero
*/
typedef void (*stm32_dmaisr_t)(void *p, uint32_t flags);
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/**
* @brief Associates a peripheral data register to a DMA stream.
* @note This function can be invoked in both ISR or thread context.
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
* @param[in] addr value to be written in the PAR register
*
* @special
*/
#define dmaStreamSetPeripheral(dmastp, addr) { \
(dmastp)->stream->PAR = (uint32_t)(addr); \
}
/**
* @brief Associates a memory destination to a DMA stream.
* @note This function can be invoked in both ISR or thread context.
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
* @param[in] addr value to be written in the M0AR register
*
* @special
*/
#define dmaStreamSetMemory0(dmastp, addr) { \
(dmastp)->stream->M0AR = (uint32_t)(addr); \
}
/**
* @brief Associates an alternate memory destination to a DMA stream.
* @note This function can be invoked in both ISR or thread context.
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
* @param[in] addr value to be written in the M1AR register
*
* @special
*/
#define dmaStreamSetMemory1(dmastp, addr) { \
(dmastp)->stream->M1AR = (uint32_t)(addr); \
}
/**
* @brief Sets the number of transfers to be performed.
* @note This function can be invoked in both ISR or thread context.
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
* @param[in] size value to be written in the CNDTR register
*
* @special
*/
#define dmaStreamSetTransactionSize(dmastp, size) { \
(dmastp)->stream->NDTR = (uint32_t)(size); \
}
/**
* @brief Returns the number of transfers to be performed.
* @note This function can be invoked in both ISR or thread context.
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
* @return The number of transfers to be performed.
*
* @special
*/
#define dmaStreamGetTransactionSize(dmastp) ((size_t)((dmastp)->stream->NDTR))
/**
* @brief Programs the stream mode settings.
* @note This function can be invoked in both ISR or thread context.
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
* @param[in] mode value to be written in the CR register
*
* @special
*/
#define dmaStreamSetMode(dmastp, mode) { \
(dmastp)->stream->CR = (uint32_t)(mode); \
}
/**
* @brief Programs the stream FIFO settings.
* @note This function can be invoked in both ISR or thread context.
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
* @param[in] mode value to be written in the FCR register
*
* @special
*/
#define dmaStreamSetFIFO(dmastp, mode) { \
(dmastp)->stream->FCR = (uint32_t)(mode); \
}
/**
* @brief DMA stream enable.
* @note This function can be invoked in both ISR or thread context.
*
* @param[in] dmachp pointer to a stm32_dma_stream_t structure
*
* @special
*/
#define dmaStreamEnable(dmachp) { \
(dmastp)->stream->CR |= STM32_DMA_CR_EN; \
}
/**
* @brief DMA stream disable.
* @note This function can be invoked in both ISR or thread context.
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
*
* @special
*/
#define dmaStreamDisable(dmastp) { \
(dmastp)->stream->CR &= ~STM32_DMA_CR_EN; \
}
/**
* @brief DMA stream interrupt sources clear.
* @note This function can be invoked in both ISR or thread context.
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
*
* @special
*/
#define dmaStreamClearInterrupt(dmastp) { \
*(dmastp)->ifcr = STM32_DMA_ISR_MASK << (dmastp)->ishift; \
}
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#if !defined(__DOXYGEN__)
extern const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS];
#endif
#ifdef __cplusplus
extern "C" {
#endif
void dmaInit(void);
bool_t dmaStreamAllocate(const stm32_dma_stream_t *dmastp,
uint32_t priority,
stm32_dmaisr_t func,
void *param);
void dmaStreamRelease(const stm32_dma_stream_t *dmastp);
#ifdef __cplusplus
}
#endif
#endif /* _STM32_DMA_H_ */
/** @} */

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