dentachi-test-firmware/main.c
2026-02-07 16:48:12 +01:00

38 lines
873 B
C

#include "pico/stdlib.h"
#include <stdio.h>
#include "tinyexpr.h"
#include <u8g2.h>
#include "u8g2_pico.h"
void print_display(u8g2_t* u8g2, char* msg) {
u8g2_ClearBuffer(u8g2);
u8g2_ClearDisplay(u8g2);
u8g2_SetFont(u8g2, u8g2_font_t0_11_te);
u8g2_DrawStr(u8g2, (132/2)-8, (32/2)+4, msg);
u8g2_UpdateDisplay(u8g2);
puts(msg);
}
static inline void setup_display(u8g2_t* u8g2) {
u8g2_Setup_st7565_ea_dogm132_f(u8g2, U8G2_R0, u8x8_byte_pico_hw_spi, u8x8_gpio_and_delay_pico);
u8g2_InitDisplay(&u8g2); // send init sequence to the display, display is in sleep mode after this,
u8g2_SetPowerSave(&u8g2, 0);
}
int main() {
u8g2_t u8g2;
setup_display(&u8g2);
stdio_init_all();
for(int i = 0; ; i++) {
if (i % 2 == 0) {
print_display(&u8g2, "Foo");
} else {
print_display(&u8g2, "Bar");
}
sleep_ms(1000);
}
return 0;
}