GC19038/HARDWARE/board.c

#include "board.h"

#define USING_BOOT_KEY  1
//#define RUN_LED_PORT    GPIOB
//#define RUN_LED_PIN     PIN10
#define RUN_LED_PORT    GPIOE
#define RUN_LED_PIN     PIN6


#define BOOT_KEY_PORT   GPIOC
#define BOOT_KEY_PIN    PIN14

//运行状态灯的定时器
static sw_timer_t run_status_timer;

unsigned long run_led_speed = 500000;
/**
 * 强制灭灯
 * 
 * @author LXZ (121219)
 * 
 * @param void 
 */
void hw_run_status_off(void) {
    RUN_LED_PORT->BSRR = RUN_LED_PIN;
}

/**
 * 强制亮灯
 * 
 * @author LXZ (121219)
 * 
 * @param void 
 */
void hw_run_status_on(void) {
    RUN_LED_PORT->BRR = RUN_LED_PIN;
}

/**
 * 初始化运行灯的IO口
 * 
 * @author lxz 
 */
static void hw_run_status_init(void)
{
    uint32_t port = (uint32_t)RUN_LED_PORT;
    unsigned short pin = RUN_LED_PIN;
    if (port >= GPIOA_BASE &&
        port <= GPIOG_BASE)
    {
        RCC->APB2ENR |= 0x04 << ((port - GPIOA_BASE) / 0x400);
        GPIO_Set((GPIO_TypeDef *)port, pin,
                 GPIO_MODE_OUT_PP,
                 GPIO_SPEED_50M,
                 GPIO_PUPD_PU);
        ((GPIO_TypeDef *)port)->BRR = pin;
    }

    sw_timer_start(&run_status_timer, 1, 0);

}

/**
 * 控制板初始化
 * 
 * @author lxz 
 * 
 * @param void 
 */
void hw_board_init(void)
{   
    Stm32_Clock_Init(9); //72Mhz
    //配置向量表      
    Sys_NVIC_SetVectorTable(ST_FLASH_SECTOR_5,0x00000200);

    st_dma_init();
    hw_delay_init(72);
    sw_timer_init(72);

    //开启IO复用功能
    RCC->APB2ENR |= 1<< 0;

    hw_io_pin_init();
    hw_run_status_init();
    //hw_dma_uart_init(72);
//    hw_iic_init();
    
    INTX_ENABLE();

}



void hw_boot_key_init(void)
{

#if USING_BOOT_KEY
    uint32_t port = (uint32_t)BOOT_KEY_PORT;
    unsigned short pin = BOOT_KEY_PIN;
    if (port >= GPIOA_BASE &&
        port <= GPIOG_BASE)
    {
        RCC->APB2ENR |= 0x04 << ((port - GPIOA_BASE) / 0x400);
        GPIO_Set((GPIO_TypeDef *)port, pin,
                 GPIO_MODE_IPU,
                 GPIO_SPEED_50M,
                 GPIO_PUPD_PU);
        ((GPIO_TypeDef *)port)->BRR = pin;
    }
#else
    return ;
#endif
}


int hw_boot_key_read(void)
{
#if USING_BOOT_KEY
    uint32_t port = (uint32_t)BOOT_KEY_PORT;
    unsigned short pin = BOOT_KEY_PIN;
    volatile uint32_t i = 200000;
    if (port >= GPIOA_BASE &&
        port <= GPIOG_BASE)
    {
        RCC->APB2ENR |= 0x04 << ((port - GPIOA_BASE) / 0x400);
        GPIO_Set((GPIO_TypeDef *)port, pin,
                 GPIO_MODE_IPU,
                 GPIO_SPEED_50M,
                 GPIO_PUPD_PU);
        ((GPIO_TypeDef *)port)->BRR = pin;
    }
    while (i-- > 0);
    return (BOOT_KEY_PORT->IDR & BOOT_KEY_PIN) == 0;
    #else 
    return 0;
    #endif
}
                  

/**
 * 显示用于运行等指示的状态
 * 
 * @author lxz 
 * 
 * @param void 
 */
void hw_run_status_show(void)
{

    if (sw_timer_expire(&run_status_timer))
    {
        if (RUN_LED_PORT->ODR & RUN_LED_PIN)
        {
            RUN_LED_PORT->BRR = RUN_LED_PIN;
        } else
        {
            RUN_LED_PORT->BSRR = RUN_LED_PIN;
        }
        sw_timer_start(&run_status_timer, 0, run_led_speed);
    }
}

//临时保存数据参数，由于是放在了非初始化，允许保存app参数给Bootloader调用
static int hw_noinit_data[16] __attribute__((section(".noinit")));
/**
 * 写入保存参数
 * 
 * @author lxz 
 * 
 * @param no 
 * @param value 
 */
void hw_noinit_write(int no, int value)
{
  hw_noinit_data[no] = value;
}
/**
 * 读取临时保存参数
 * 
 * @author lxz 
 * 
 * @param no 
 * 
 * @return int 
 */
int hw_noinit_read(int no)
{
   return hw_noinit_data[no];
}

void hw_board_enter_powerless(void)
{
    int index = 0;

    //立刻所有IO高阻态
    
    while (index  < 5)
    {
        GPIO_TypeDef *gpio = (GPIO_TypeDef *)(GPIOA_BASE + index * 0x400);
        gpio->CRL = 0x44444444;
        gpio->CRH = 0x44444444;
        
        index++;
    }
    
    hw_run_status_init();
}

/**
 * 硬件复位
 * 
 * @author LXZ (051820)
 * 
 * @param void 
 */
void hw_board_reboot(void)
{
    Sys_Soft_Reset();
}