synth/mbv/apps/helloworld/helloworld.cc
Paul Mathieu 3db383d461 mbv: now with functioning timer interrupts!
And a few other nice things.
The bootloader now has an embedded wozmon!
If you know its offset, you can jump to it from the app.
2025-06-10 23:46:43 -07:00

29 lines
403 B
C++

#include <cstdint>
#include "pol0.h"
struct Gpio {
volatile uint32_t data;
};
#define gpio0 ((Gpio*)GPIO0_BASE)
void sleep(int ms) {
for (int m = 0; m < ms; m++) {
for (int i = 0; i < 10000; i++) {
asm volatile ( "" );
}
}
}
int main() {
int out = 0;
while (1) {
gpio0->data = out;
out = (out + 1) % 256;
sleep(10);
}
}