48 lines
903 B
C++
48 lines
903 B
C++
#include <math.h>
|
|
#include <string>
|
|
|
|
#include "breakout_dotmatrix.hpp"
|
|
#include "time.h"
|
|
|
|
using namespace pimoroni;
|
|
|
|
I2C i2c(BOARD::BREAKOUT_GARDEN);
|
|
BreakoutDotMatrix display(&i2c);
|
|
bool led_toggle = false;
|
|
|
|
int main() {
|
|
gpio_init(PICO_DEFAULT_LED_PIN);
|
|
gpio_set_dir(PICO_DEFAULT_LED_PIN, GPIO_OUT);
|
|
|
|
display.init();
|
|
display.show();
|
|
|
|
while(true) {
|
|
absolute_time_t at = get_absolute_time();
|
|
uint64_t t = to_us_since_boot(at) / 1000000;
|
|
|
|
std::string second = std::to_string(t % 60);
|
|
|
|
uint16_t left, right;
|
|
if(second.length() == 1) {
|
|
left = '0';
|
|
right = second[0];
|
|
}
|
|
else {
|
|
left = second[0];
|
|
right = second[1];
|
|
}
|
|
|
|
display.set_character(0, left);
|
|
display.set_character(5, right);
|
|
display.show();
|
|
|
|
gpio_put(PICO_DEFAULT_LED_PIN, led_toggle);
|
|
led_toggle = !led_toggle;
|
|
|
|
sleep_ms(1000 / 60);
|
|
}
|
|
|
|
return 0;
|
|
}
|