demo of driving MAX2719 dot matrix displays with STM32F103 Bluepill
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f103-dotmatrix/project/main.c

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1.5 KiB

#include "main.h"
#include "hw_init.h"
#include "com/debug.h"
#include "com/com_fileio.h"
#include "com/com_iface.h"
#include "bus/event_queue.h"
#include "bus/event_handler.h"
#include "utils/timebase.h"
#include "colorled.h"
#include "display.h"
#include <math.h>
//#include <sbmp.h>
#include "dotmatrix.h"
#include "arm_math.h"
#include "mode_audio.h"
static void poll_subsystems(void);
static task_pid_t capture_task_id;
static void boot_animation(void)
{
// Boot animation (for FFT)
for(int i = 0; i < 16; i++) {
dmtx_set(dmtx, i, 0, 1);
dmtx_show(dmtx);
delay_ms(25);
}
}
int main(void)
{
hw_init();
banner("*** FFT dot matrix display ***");
banner_info("(c) Ondrej Hruska, 2016");
boot_animation();
//debug_iface->rx_callback = rx_char;
capture_task_id = add_periodic_task(capture_audio, NULL, 10, false);
ms_time_t last;
while (1) {
if (ms_loop_elapsed(&last, 500)) {
GPIOC->ODR ^= 1 << 13;
}
poll_subsystems();
}
}
static void poll_subsystems(void)
{
// poll serial buffers (runs callback)
com_poll(debug_iface);
//com_poll(data_iface);
com_poll(gamepad_iface);
// run queued tasks
tq_poll();
// handle queued events
Event evt;
until_timeout(2) { // take 2 ms max
if (eq_take(&evt)) {
run_event_handler(&evt);
} else {
break;
}
}
}
//static void rx_char(ComIface *iface)
//{
// uint8_t ch;
// while(com_rx(iface, &ch)) {
// if (ch == 'p') {
// info("PRINT_NEXT");
// print_next_fft = true;
// }
// }
//}
//void dlnk_rx(SBMP_Datagram *dg)
//{
// (void)dg;
// //dbg("Rx dg type %d", dg->type);
//}