/**
 * @file mcu_config.h
 * @brief MCU-specific configuration
 */

#ifndef MCU_CONFIG_H
#define MCU_CONFIG_H

/* ============================================================================
 * MCU Selection
 * ============================================================================ */

/* Select target MCU */
#define MCU_STM32F407VG            1
#define MCU_NXP_S32K144            0
#define MCU_INFINEON_TC397         0

#if (MCU_STM32F407VG + MCU_NXP_S32K144 + MCU_INFINEON_TC397) != 1
#error "Exactly one MCU must be selected"
#endif

/* ============================================================================
 * Clock Configuration
 * ============================================================================ */

#if MCU_STM32F407VG
    /* STM32F407VG clock configuration */
    #define HSE_VALUE               8000000U    /* External crystal */
    #define HSI_VALUE               16000000U   /* Internal oscillator */
    #define LSE_VALUE               32768U      /* Low speed external */
    #define LSI_VALUE               32000U      /* Low speed internal */

    #define SYSTEM_CLOCK            168000000U  /* 168 MHz */
    #define AHB_CLOCK               168000000U  /* 168 MHz */
    #define APB1_CLOCK              42000000U   /* 42 MHz */
    #define APB2_CLOCK              84000000U   /* 84 MHz */

    /* PLL configuration */
    #define PLL_M                   8
    #define PLL_N                   336
    #define PLL_P                   2
    #define PLL_Q                   7

#elif MCU_NXP_S32K144
    /* NXP S32K144 clock configuration */
    #define SOSC_FREQUENCY          8000000U    /* System oscillator */
    #define SPLL_FREQUENCY          160000000U  /* System PLL */
    #define FIRC_FREQUENCY          48000000U   /* Fast IRC */
    #define SIRC_FREQUENCY          8000000U    /* Slow IRC */

    #define SYSTEM_CLOCK            160000000U  /* 160 MHz */
    #define BUS_CLOCK               40000000U   /* 40 MHz */
    #define FLASH_CLOCK             20000000U   /* 20 MHz */

    /* PLL configuration */
    #define PLL_MULT                20
    #define PLL_DIV                 1

#elif MCU_INFINEON_TC397
    /* Infineon TC397 clock configuration */
    #define F_OSC                   20000000U   /* External oscillator */
    #define F_PLL                   300000000U  /* PLL frequency */

    #define SYSTEM_CLOCK            300000000U  /* 300 MHz */
    #define PERIPHERAL_CLOCK        150000000U  /* 150 MHz */
    #define STM_CLOCK               100000000U  /* 100 MHz */

    /* PLL configuration */
    #define PLL_N                   30
    #define PLL_P                   2
    #define PLL_K2                  1
#endif

/* ============================================================================
 * Peripheral Configuration
 * ============================================================================ */

#if MCU_STM32F407VG
    /* STM32F407VG peripherals */
    #define GPIO_PORT_COUNT         6
    #define UART_COUNT              6
    #define SPI_COUNT               3
    #define I2C_COUNT               3
    #define CAN_COUNT               2
    #define ADC_COUNT               3
    #define TIMER_COUNT             14
    #define DMA_STREAM_COUNT        16

    /* GPIO ports */
    #define GPIOA_ENABLE            1
    #define GPIOB_ENABLE            1
    #define GPIOC_ENABLE            1
    #define GPIOD_ENABLE            1
    #define GPIOE_ENABLE            1
    #define GPIOF_ENABLE            0
    #define GPIOG_ENABLE            0

    /* UART configuration */
    #define UART1_ENABLE            1
    #define UART2_ENABLE            1
    #define UART3_ENABLE            0
    #define UART4_ENABLE            0
    #define UART5_ENABLE            0
    #define UART6_ENABLE            0

    /* SPI configuration */
    #define SPI1_ENABLE             1
    #define SPI2_ENABLE             1
    #define SPI3_ENABLE             0

    /* I2C configuration */
    #define I2C1_ENABLE             1
    #define I2C2_ENABLE             0
    #define I2C3_ENABLE             0

    /* CAN configuration */
    #define CAN1_ENABLE             1
    #define CAN2_ENABLE             1

    /* ADC configuration */
    #define ADC1_ENABLE             1
    #define ADC2_ENABLE             0
    #define ADC3_ENABLE             0

#elif MCU_NXP_S32K144
    /* NXP S32K144 peripherals */
    #define GPIO_PORT_COUNT         5
    #define UART_COUNT              3
    #define SPI_COUNT               3
    #define I2C_COUNT               2
    #define CAN_COUNT               3
    #define ADC_COUNT               2
    #define TIMER_COUNT             5

    /* GPIO ports */
    #define GPIOA_ENABLE            1
    #define GPIOB_ENABLE            1
    #define GPIOC_ENABLE            1
    #define GPIOD_ENABLE            1
    #define GPIOE_ENABLE            1

    /* UART configuration */
    #define UART0_ENABLE            1
    #define UART1_ENABLE            1
    #define UART2_ENABLE            0

    /* SPI configuration */
    #define SPI0_ENABLE             1
    #define SPI1_ENABLE             1
    #define SPI2_ENABLE             0

    /* I2C configuration */
    #define I2C0_ENABLE             1
    #define I2C1_ENABLE             0

    /* CAN configuration */
    #define CAN0_ENABLE             1
    #define CAN1_ENABLE             1
    #define CAN2_ENABLE             0

    /* ADC configuration */
    #define ADC0_ENABLE             1
    #define ADC1_ENABLE             1

#elif MCU_INFINEON_TC397
    /* Infineon TC397 peripherals */
    #define GPIO_PORT_COUNT         16
    #define UART_COUNT              4
    #define SPI_COUNT               4
    #define I2C_COUNT               2
    #define CAN_COUNT               4
    #define ADC_COUNT               8
    #define TIMER_COUNT             20
#endif

/* ============================================================================
 * Interrupt Configuration
 * ============================================================================ */

/* NVIC priority grouping */
#define NVIC_PRIORITY_GROUPING     4   /* 4 bits preemption, 0 bits sub-priority */

/* Maximum interrupt priority */
#define MAX_INTERRUPT_PRIORITY     15

/* ============================================================================
 * Power Configuration
 * ============================================================================ */

/* Voltage monitoring */
#define ENABLE_VOLTAGE_MONITORING   1
#define VOLTAGE_MONITOR_THRESHOLD   2.7f  /* Volts */

/* Temperature monitoring */
#define ENABLE_TEMP_MONITORING      1
#define TEMP_MONITOR_THRESHOLD      125   /* °C */

/* Brown-out reset */
#define ENABLE_BROWN_OUT_RESET      1
#define BROWN_OUT_THRESHOLD         2.7f  /* Volts */

/* ============================================================================
 * Safety Configuration
 * ============================================================================ */

/* Watchdog */
#define WATCHDOG_ENABLED            1
#define WATCHDOG_TIMEOUT            100   /* ms */
#define WATCHDOG_WINDOW             50    /* ms */

/* Clock security system */
#define ENABLE_CLOCK_SECURITY       1

/* Memory protection */
#define ENABLE_MPU                  1

/* ECC */
#define ENABLE_ECC                  1

#endif /* MCU_CONFIG_H */