/******************************************************************************
 * The MIT License
 *
 * Copyright (c) 2011 LeafLabs, LLC.
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use, copy,
 * modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *****************************************************************************/

/**
 * @file   maple_RET6.h
 * @author Marti Bolivar <mbolivar@leaflabs.com>
 * @brief  Private include file for Maple RET6 Edition in boards.h
 *
 * See maple.h for more information on these definitions.
 */

#ifndef _BOARDS_GENERIC_STM32F103R_H_
#define _BOARDS_GENERIC_STM32F103R_H_

/* A few of these values will seem strange given that it's a
 * high-density board. */

#define CYCLES_PER_MICROSECOND  72
#define SYSTICK_RELOAD_VAL     (F_CPU/1000) - 1 /* takes a cycle to reload */

// USARTS
#define BOARD_NR_USARTS         5
#define BOARD_USART1_TX_PIN     PA9
#define BOARD_USART1_RX_PIN     PA10

#define BOARD_USART2_TX_PIN     PA2
#define BOARD_USART2_RX_PIN     PA3

#define BOARD_USART3_TX_PIN     PB10
#define BOARD_USART3_RX_PIN     PB11

#define BOARD_USART4_TX_PIN     PC10
#define BOARD_USART4_RX_PIN     PC11

#define BOARD_USART5_TX_PIN     PC12
#define BOARD_USART5_RX_PIN     PD2

/* Note:
 *
 * SPI3 is unusable due to pin 43 (PB4) and NRST tie-together :(, but
 * leave the definitions so as not to clutter things up.  This is only
 * OK since RET6 Ed. is specifically advertised as a beta board. */
#define BOARD_NR_SPI            3
#define BOARD_SPI1_NSS_PIN      PA4
#define BOARD_SPI1_SCK_PIN      PA5
#define BOARD_SPI1_MISO_PIN     PA6
#define BOARD_SPI1_MOSI_PIN     PA7



#define BOARD_SPI2_NSS_PIN      PB12
#define BOARD_SPI2_SCK_PIN      PB13
#define BOARD_SPI2_MISO_PIN     PB14
#define BOARD_SPI2_MOSI_PIN     PB15


#define BOARD_SPI3_NSS_PIN      PA15
#define BOARD_SPI3_SCK_PIN      PB3
#define BOARD_SPI3_MISO_PIN     PB4
#define BOARD_SPI3_MOSI_PIN     PB5


/* GPIO A to E = 5 * 16  - BOOT1 not used = 79*/
#define BOARD_NR_GPIO_PINS      51
/* Note: NOT 19. The missing one is D38 a.k.a. BOARD_BUTTON_PIN, which
 * isn't broken out to a header and is thus unusable for PWM. */
#define BOARD_NR_PWM_PINS       19
#define BOARD_NR_ADC_PINS       16
#define BOARD_NR_USED_PINS      7

#define BOARD_JTMS_SWDIO_PIN    39
#define BOARD_JTCK_SWCLK_PIN    40
#define BOARD_JTDI_PIN          41
#define BOARD_JTDO_PIN          42
#define BOARD_NJTRST_PIN        43

/* USB configuration.  BOARD_USB_DISC_DEV is the GPIO port containing
 * the USB_DISC pin, and BOARD_USB_DISC_BIT is that pin's bit. */
#define BOARD_USB_DISC_DEV      GPIOC
#define BOARD_USB_DISC_BIT      12

/* Pin aliases: these give the GPIO port/bit for each pin as an
 * enum. These are optional, but recommended. They make it easier to
 * write code using low-level GPIO functionality. */
enum {
	PA3, PA2, PA0, PA1, PB5, PB6, PA8, PA9, PA10, PB7, PA4, PA7, PA6, PA5, PB8,
	PC0, PC1, PC2, PC3, PC4, PC5, PC13, PC14, PC15, PB9, PD2, PC10, PB0, PB1,
	PB10, PB11, PB12, PB13, PB14, PB15, PC6, PC7, PC8, PC9, PA13, PA14, PA15,
	PB3, PB4, PC11, PC12
};/* Note PB2 is skipped as this is Boot1 and is not going to be much use as its likely to be pulled permanently low */

#endif
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