38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include "ulp_riscv.h"
|
|
#include "ulp_riscv_utils.h"
|
|
#include "ulp_riscv_gpio.h"
|
|
|
|
#define HUB75_OE_CAPTRUE__RTC_PIN_NUM GPIO_NUM_18
|
|
#define HUB75_LINE_ADDR_A_RTC_PIN_NUM GPIO_NUM_16
|
|
#define HUB75_LINE_ADDR_B_RTC_PIN_NUM GPIO_NUM_15
|
|
#define HUB75_LINE_ADDR_C_RTC_PIN_NUM GPIO_NUM_14
|
|
#define HUB75_LINE_ADDR_D_RTC_PIN_NUM GPIO_NUM_13
|
|
|
|
volatile int line = 0;
|
|
volatile int flag = 0;
|
|
int main (void)
|
|
{
|
|
bool gpio_level = false;
|
|
while(1) {
|
|
gpio_level = (bool)ulp_riscv_gpio_get_level(HUB75_OE_CAPTRUE__RTC_PIN_NUM);
|
|
|
|
if (gpio_level == true && flag == 1)
|
|
{
|
|
ulp_riscv_gpio_output_level(HUB75_LINE_ADDR_A_RTC_PIN_NUM, line & 1);
|
|
ulp_riscv_gpio_output_level(HUB75_LINE_ADDR_B_RTC_PIN_NUM, (line >> 1) & 1);
|
|
ulp_riscv_gpio_output_level(HUB75_LINE_ADDR_C_RTC_PIN_NUM, (line >> 2) & 1);
|
|
ulp_riscv_gpio_output_level(HUB75_LINE_ADDR_D_RTC_PIN_NUM, (line >> 3) & 1);
|
|
flag = 0;
|
|
}
|
|
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|