ChibiOS/boards/ST_STM32L_DISCOVERY/board.h

/*
    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 STM32VL-Discovery board.
 */

/*
 * Board identifier.
 */
#define BOARD_ST_STM32VL_DISCOVERY
#define BOARD_NAME              "ST STM32L-Discovery"

/*
 * Board frequencies.
 * NOTE: The HSE crystal is not fitted by default on the board.
 */
#define STM32_LSECLK            32768
#define STM32_HSECLK            0

/*
 * MCU type as defined in the ST header file stm32l1xx.h.
 */
#define STM32L1XX_MD

/*
 * IO pins assignments.
 */
#define GPIOA_BUTTON            0

#define GPIOB_LED4              6
#define GPIOB_LED3              7

/*
 * 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)           (0 << ((n) * 2))
#define PIN_MODE_OUTPUT(n)          (1 << ((n) * 2))
#define PIN_MODE_ALTERNATE(n)       (2 << ((n) * 2))
#define PIN_MODE_ANALOG(n)          (3 << ((n) * 2))
#define PIN_OTYPE_PUSHPULL(n)       (0 << (n))
#define PIN_OTYPE_OPENDRAIN(n)      (1 << (n))
#define PIN_OSPEED_400K(n)          (0 << ((n) * 2))
#define PIN_OSPEED_2M(n)            (1 << ((n) * 2))
#define PIN_OSPEED_10M(n)           (2 << ((n) * 2))
#define PIN_OSPEED_40M(n)           (3 << ((n) * 2))
#define PIN_PUDR_FLOATING(n)        (0 << ((n) * 2))
#define PIN_PUDR_PULLUP(n)          (1 << ((n) * 2))
#define PIN_PUDR_PULLDOWN(n)        (2 << ((n) * 2))

/*
 * Port A setup.
 * All input with pull-up except:
 * PA0  - GPIOA_BUTTON  (input floating).
 * PA13 - JTMS/SWDAT    (alternate 0).
 * PA14 - JTCK/SWCLK    (alternate 0).
 * PA15 - JTDI          (alternate 0).
 */
#define VAL_GPIOA_MODER             (PIN_MODE_INPUT(GPIOA_BUTTON) |         \
                                     PIN_MODE_ALTERNATE(13) |               \
                                     PIN_MODE_ALTERNATE(14) |               \
                                     PIN_MODE_ALTERNATE(15))
#define VAL_GPIOA_OTYPER            0x00000000
#define VAL_GPIOA_OSPEEDR           0xFFFFFFFF
#define VAL_GPIOA_PUPDR             (~(PIN_PUDR_FLOATING(GPIOA_BUTTON) |    \
                                       PIN_PUDR_FLOATING(13) |              \
                                       PIN_PUDR_FLOATING(14) |              \
                                       PIN_PUDR_FLOATING(15)))
#define VAL_GPIOA_ODR               0xFFFFFFFF

/*
 * Port B setup.
 * All input with pull-up except:
 * PB3  - JTDO          (alternate 0).
 * PB4  - JNTRST        (alternate 0).
 * PB6  - GPIOB_LED4    (output push-pull).
 * PB7  - GPIOB_LED3    (output push-pull).
 */
#define VAL_GPIOB_MODER             (PIN_MODE_ALTERNATE(3) |                \
                                     PIN_MODE_ALTERNATE(4) |                \
                                     PIN_MODE_OUTPUT(GPIOB_LED4) |          \
                                     PIN_MODE_OUTPUT(GPIOB_LED3))
#define VAL_GPIOB_OTYPER            0x00000000
#define VAL_GPIOB_OSPEEDR           0xFFFFFFFF
#define VAL_GPIOB_PUPDR             (~(PIN_PUDR_FLOATING(3) |               \
                                       PIN_PUDR_FLOATING(4) |               \
                                       PIN_PUDR_FLOATING(GPIOB_LED4) |      \
                                       PIN_PUDR_FLOATING(GPIOB_LED3)))
#define VAL_GPIOB_ODR               0xFFFFFF3F

/*
 * Port C setup.
 * All input with pull-up except:
 * PC13 - OSC32_OUT     (input floating).
 * PC14 - OSC32_IN      (input floating).
 */
#define VAL_GPIOC_MODER             0x00000000
#define VAL_GPIOC_OTYPER            0x00000000
#define VAL_GPIOC_OSPEEDR           0xFFFFFFFF
#define VAL_GPIOC_PUPDR             (~(PIN_PUDR_FLOATING(15) |              \
                                       PIN_PUDR_FLOATING(14)))
#define VAL_GPIOC_ODR               0xFFFFFFFF

/*
 * Port D setup.
 * All input with pull-up.
 */
#define VAL_GPIOD_MODER             0x00000000
#define VAL_GPIOD_OTYPER            0x00000000
#define VAL_GPIOD_OSPEEDR           0xFFFFFFFF
#define VAL_GPIOD_PUPDR             0xFFFFFFFF
#define VAL_GPIOD_ODR               0xFFFFFFFF

/*
 * Port E setup.
 * All input with pull-up.
 */
#define VAL_GPIOE_MODER             0x00000000
#define VAL_GPIOE_OTYPER            0x00000000
#define VAL_GPIOE_OSPEEDR           0xFFFFFFFF
#define VAL_GPIOE_PUPDR             0xFFFFFFFF
#define VAL_GPIOE_ODR               0xFFFFFFFF

/*
 * Port H setup.
 * All input with pull-up.
 */
#define VAL_GPIOH_MODER             0x00000000
#define VAL_GPIOH_OTYPER            0x00000000
#define VAL_GPIOH_OSPEEDR           0xFFFFFFFF
#define VAL_GPIOH_PUPDR             0xFFFFFFFF
#define VAL_GPIOH_ODR               0xFFFFFFFF

#if !defined(_FROM_ASM_)
#ifdef __cplusplus
extern "C" {
#endif
  void boardInit(void);
#ifdef __cplusplus
}
#endif
#endif /* _FROM_ASM_ */

#endif /* _BOARD_H_ */