stm32f103 neopixel demo simulating water / waving based on ultrasonic stimulus. This is an earlier version of what later became the "spatial-rgb" project
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f103-wave-sim/project/main.c

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#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>
void poll_subsystems(void)
{
// poll serial buffers (runs callback)
com_poll(debug_iface);
com_poll(data_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;
}
}
}
void blinky(void* arg)
{
(void)arg;
GPIOC->ODR ^= 1<<13;
}
int main(void)
{
hw_init();
display_init();
banner("*** STM32F103K8T6 RGB LED demo ***");
banner_info("(c) Ondrej Hruska, 2016");
banner_info("Katedra mereni K338, CVUT FEL");
add_periodic_task(blinky, NULL, 500, false);
while (1) {
poll_subsystems();
}
}
void dlnk_rx(SBMP_Datagram *dg)
{
dbg("Rx dg type %d", dg->type);
}