/*
    ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

        http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
*/

#ifndef _BOARD_H_
#define _BOARD_H_

/*
 * Setup for STMicroelectronics STM32VL-Discovery board.
 */

/*
 * Board identifier.
 */
#define BOARD_ST_STM32VL_DISCOVERY
#define BOARD_NAME              "ST STM32VL-Discovery"

/*
 * Board frequencies.
 */
#define STM32_LSECLK            32768
#define STM32_HSECLK            8000000

/*
 * MCU type, supported types are defined in ./os/hal/platforms/hal_lld.h.
 */
#define STM32F100xB

/*
 * IO pins assignments.
 */
#define GPIOA_BUTTON            0
#define GPIOA_SPI1NSS           4

#define GPIOB_SPI2NSS           12

#define GPIOC_LED4              8
#define GPIOC_LED3              9

/*
 * I/O ports initial setup, this configuration is established soon after reset
 * in the initialization code.
 *
 * The digits have the following meaning:
 *   0 - Analog input.
 *   1 - Push Pull output 10MHz.
 *   2 - Push Pull output 2MHz.
 *   3 - Push Pull output 50MHz.
 *   4 - Digital input.
 *   5 - Open Drain output 10MHz.
 *   6 - Open Drain output 2MHz.
 *   7 - Open Drain output 50MHz.
 *   8 - Digital input with PullUp or PullDown resistor depending on ODR.
 *   9 - Alternate Push Pull output 10MHz.
 *   A - Alternate Push Pull output 2MHz.
 *   B - Alternate Push Pull output 50MHz.
 *   C - Reserved.
 *   D - Alternate Open Drain output 10MHz.
 *   E - Alternate Open Drain output 2MHz.
 *   F - Alternate Open Drain output 50MHz.
 * Please refer to the STM32 Reference Manual for details.
 */

/*
 * Port A setup.
 * Everything input with pull-up except:
 * PA0  - Normal input      (BUTTON).
 * PA2  - Alternate output  (USART2 TX).
 * PA3  - Normal input      (USART2 RX).
 * PA4  - Push pull output  (SPI1 NSS), initially high state.
 * PA5  - Alternate output  (SPI1 SCK).
 * PA6  - Normal input      (SPI1 MISO).
 * PA7  - Alternate output  (SPI1 MOSI).
 * PA9  - Alternate output  (USART1 TX).
 * PA10 - Normal input      (USART1 RX).
 */
#define VAL_GPIOACRL            0xB4B34B84      /*  PA7...PA0 */
#define VAL_GPIOACRH            0x888884B8      /* PA15...PA8 */
#define VAL_GPIOAODR            0xFFFFFFFF

/*
 * Port B setup.
 * Everything input with pull-up except:
 * PB12 - Push pull output  (SPI2 NSS), initially high state.
 * PB13 - Alternate output  (SPI2 SCK).
 * PB14 - Normal input      (SPI2 MISO).
 * PB15 - Alternate output  (SPI2 MOSI).
 */
#define VAL_GPIOBCRL            0x88888888      /*  PB7...PB0 */
#define VAL_GPIOBCRH            0xB4B38888      /* PB15...PB8 */
#define VAL_GPIOBODR            0xFFFFFFFF

/*
 * Port C setup.
 * Everything input with pull-up except:
 * PC8  - Push-pull output (LED4), initially low state.
 * PC9  - Push-pull output (LED3), initially low state.
 */
#define VAL_GPIOCCRL            0x88888888      /*  PC7...PC0 */
#define VAL_GPIOCCRH            0x88888833      /* PC15...PC8 */
#define VAL_GPIOCODR            0xFFFFFCFF

/*
 * Port D setup.
 * Everything input with pull-up except:
 * PD0  - Normal input (XTAL).
 * PD1  - Normal input (XTAL).
 */
#define VAL_GPIODCRL            0x88888844      /*  PD7...PD0 */
#define VAL_GPIODCRH            0x88888888      /* PD15...PD8 */
#define VAL_GPIODODR            0xFFFFFFFF

/*
 * Port E setup.
 * Everything input with pull-up except:
 */
#define VAL_GPIOECRL            0x88888888      /*  PE7...PE0 */
#define VAL_GPIOECRH            0x88888888      /* PE15...PE8 */
#define VAL_GPIOEODR            0xFFFFFFFF

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

#endif /* _BOARD_H_ */
