/**
 * @file board_config.h
 * @brief Board-specific configuration
 */

#ifndef BOARD_CONFIG_H
#define BOARD_CONFIG_H

#include "mcu_config.h"

/* ============================================================================
 * Board Selection
 * ============================================================================ */

#define BOARD_STM32F407_DISCOVERY   1
#define BOARD_NXP_S32K144_EVB       0
#define BOARD_INFINEON_TC397_EVB    0

#if (BOARD_STM32F407_DISCOVERY + BOARD_NXP_S32K144_EVB + BOARD_INFINEON_TC397_EVB) != 1
#error "Exactly one board must be selected"
#endif

/* ============================================================================
 * Pin Mapping
 * ============================================================================ */

#if BOARD_STM32F407_DISCOVERY
    /* STM32F407 Discovery board pin mapping */

    /* LED pins */
    #define LED1_PORT               0   /* GPIOA */
    #define LED1_PIN                0
    #define LED2_PORT               0
    #define LED2_PIN                1
    #define LED3_PORT               0
    #define LED3_PIN                2
    #define LED4_PORT               0
    #define LED4_PIN                3

    /* Button pins */
    #define BUTTON1_PORT            0   /* GPIOA */
    #define BUTTON1_PIN             0

    /* UART pins */
    #define UART1_TX_PORT           0   /* GPIOA */
    #define UART1_TX_PIN            9
    #define UART1_RX_PORT           0
    #define UART1_RX_PIN            10

    /* CAN pins */
    #define CAN1_TX_PORT            1   /* GPIOB */
    #define CAN1_TX_PIN             9
    #define CAN1_RX_PORT            1
    #define CAN1_RX_PIN             8

    /* SPI pins */
    #define SPI1_SCK_PORT           0   /* GPIOA */
    #define SPI1_SCK_PIN            5
    #define SPI1_MISO_PORT          0
    #define SPI1_MISO_PIN           6
    #define SPI1_MOSI_PORT          0
    #define SPI1_MOSI_PIN           7

    /* I2C pins */
    #define I2C1_SCL_PORT           1   /* GPIOB */
    #define I2C1_SCL_PIN            6
    #define I2C1_SDA_PORT           1
    #define I2C1_SDA_PIN            7

    /* ADC pins */
    #define ADC1_CH0_PORT           0   /* GPIOA */
    #define ADC1_CH0_PIN            0
    #define ADC1_CH1_PORT           0
    #define ADC1_CH1_PIN            1

    /* PWM pins */
    #define PWM1_CH1_PORT           0   /* GPIOA */
    #define PWM1_CH1_PIN            8
    #define PWM1_CH2_PORT           0
    #define PWM1_CH2_PIN            9

#elif BOARD_NXP_S32K144_EVB
    /* NXP S32K144 EVB pin mapping */

    /* LED pins */
    #define LED_RED_PORT            2   /* GPIOC */
    #define LED_RED_PIN             0
    #define LED_GREEN_PORT          2
    #define LED_GREEN_PIN           1
    #define LED_BLUE_PORT           2
    #define LED_BLUE_PIN            2

    /* Button pins */
    #define BUTTON1_PORT            2   /* GPIOC */
    #define BUTTON1_PIN             3
    #define BUTTON2_PORT            2
    #define BUTTON2_PIN             4

    /* UART pins */
    #define UART0_TX_PORT           0   /* GPIOA */
    #define UART0_TX_PIN            2
    #define UART0_RX_PORT           0
    #define UART0_RX_PIN            3

    /* CAN pins */
    #define CAN0_TX_PORT            4   /* GPIOE */
    #define CAN0_TX_PIN             5
    #define CAN0_RX_PORT            4
    #define CAN0_RX_PIN             4

    /* SPI pins */
    #define SPI0_SCK_PORT           0   /* GPIOA */
    #define SPI0_SCK_PIN            6
    #define SPI0_MISO_PORT          0
    #define SPI0_MISO_PIN           7
    #define SPI0_MOSI_PORT          0
    #define SPI0_MOSI_PIN           8

#elif BOARD_INFINEON_TC397_EVB
    /* Infineon TC397 EVB pin mapping */

    /* LED pins */
    #define LED1_PORT               0   /* P00 */
    #define LED1_PIN                0
    #define LED2_PORT               0
    #define LED2_PIN                1

    /* Button pins */
    #define BUTTON1_PORT            0   /* P00 */
    #define BUTTON1_PIN             2

    /* UART pins */
    #define UART0_TX_PORT           0   /* P00 */
    #define UART0_TX_PIN            3
    #define UART0_RX_PORT           0
    #define UART0_RX_PIN            4

    /* CAN pins */
    #define CAN0_TX_PORT            0   /* P00 */
    #define CAN0_TX_PIN             5
    #define CAN0_RX_PORT            0
    #define CAN0_RX_PIN             6
#endif

/* ============================================================================
 * Board Features
 * ============================================================================ */

/* Debug interface */
#define DEBUG_INTERFACE_SWD         1
#define DEBUG_INTERFACE_JTAG        0

/* External crystal frequency */
#define EXTERNAL_CRYSTAL_HZ         8000000U

/* Board voltage */
#define BOARD_VOLTAGE               3.3f   /* Volts */

/* ============================================================================
 * External Components
 * ============================================================================ */

/* External memory */
#define EXT_FLASH_ENABLED           0
#define EXT_RAM_ENABLED             0

/* External sensors */
#define TEMP_SENSOR_ENABLED         1
#define ACCELEROMETER_ENABLED       1
#define GYROSCOPE_ENABLED           0

/* Display */
#define LCD_DISPLAY_ENABLED         1
#define LCD_WIDTH                   240
#define LCD_HEIGHT                  320
#define LCD_COLOR_DEPTH             16

/* CAN transceiver */
#define CAN_TRANSCEIVER_ENABLED     1
#define CAN_TRANSCEIVER_TYPE        0   /* 0=TJA1050, 1=MCP2551 */

/* ============================================================================
 * Board-Specific Functions
 * ============================================================================ */

/* Board initialization function */
void board_init(void);

/* Board-specific GPIO initialization */
void board_gpio_init(void);

/* Board-specific clock initialization */
void board_clock_init(void);

/* Board-specific peripheral initialization */
void board_peripheral_init(void);

/* Board-specific CAN initialization */
void board_can_init(void);

/* Board-specific UART initialization */
void board_uart_init(void);

/* Board-specific SPI initialization */
void board_spi_init(void);

/* Board-specific I2C initialization */
void board_i2c_init(void);

/* Board-specific ADC initialization */
void board_adc_init(void);

/* Board-specific PWM initialization */
void board_pwm_init(void);

/* Board LED control */
void board_led_on(uint8_t led);
void board_led_off(uint8_t led);
void board_led_toggle(uint8_t led);

/* Board button reading */
bool board_button_read(uint8_t button);

/* Board-specific delay */
void board_delay_ms(uint32_t ms);
void board_delay_us(uint32_t us);

/* Board-specific watchdog */
void board_watchdog_init(void);
void board_watchdog_service(void);

/* Board temperature reading */
float board_get_temperature(void);

/* Board voltage reading */
float board_get_voltage(void);

#endif /* BOARD_CONFIG_H */