#include "user_main.h"

#define ADC_SAMPLE_NUM  16384

uint8_t fsmc_read_buf, fsmc_write_buf;
int8_t adc_result[ADC_SAMPLE_NUM];

void user_setup()
{
    flash_fpga();
    // ethernet_init();
    HAL_TIM_Base_Start_IT(&htim4);
    HAL_TIM_Base_Start(&htim3);
    eem_power_init();
    uint8_t str[10] = "start";
    HAL_UART_Transmit(&huart4, str, 6, 100);
}

uint8_t dio_ch = 0;
uint8_t dio_io = 0;
uint8_t adc_sample = 0;
uint16_t fsmc_add = 0;
void user_loop()
{
    if (adc_sample)
    {
        adc_sample = 0;
        fsmc_write_buf = (dio_io & 0x01) | ((dio_ch & 0x03) << 1) | 0x10;
        fsmc_write(fsmc_write_buf, 0);
    }
    // fsmc_read(0xffff, (uint8_t*)&fsmc_read_buf);
    // if (fsmc_read_buf & 0x02)
    if (HAL_GPIO_ReadPin(FSMC_NWAIT_GPIO_Port, FSMC_NWAIT_Pin) == GPIO_PIN_SET)
    {
        fsmc_write_buf = (dio_io & 0x01) | ((dio_ch & 0x03) << 1);
        fsmc_write(fsmc_write_buf, 0);
        fsmc_add = 0;
        while (fsmc_add < ADC_SAMPLE_NUM)
        {
            fsmc_read(fsmc_add, (uint8_t*)(adc_result + fsmc_add));
            fsmc_add++;
        }
        // HAL_UART_Transmit(&huart4, "test0", 6, 100);
        HAL_UART_Transmit(&huart4, (uint8_t*)adc_result, ADC_SAMPLE_NUM, 10000);
    }
    // HAL_Delay(1000);
    // key_events();
    if (HAL_GPIO_ReadPin(KEY_GPIO_Port, KEY_Pin) == GPIO_PIN_RESET)
    {
        HAL_Delay(50);
        if (HAL_GPIO_ReadPin(KEY_GPIO_Port, KEY_Pin) == GPIO_PIN_RESET)
        {
            adc_sample = 1;
            while (HAL_GPIO_ReadPin(KEY_GPIO_Port, KEY_Pin) == GPIO_PIN_RESET);
        }
    }
}