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start to make number of planes settable

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This commit is contained in:
Jeff Epler 2024-12-15 11:12:53 -06:00
parent 5f37a0a666
commit 01cf4cc6ed
1 changed files with 17 additions and 4 deletions
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21
protodemo.c
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@ -4,6 +4,7 @@
#include <cstdio>
#include <cstdint>
#include <vector>
#include <ctime>
#include "hardware/pio.h"
#include "protomatter.pio.h"
@ -222,11 +223,10 @@ pixels[i][2*i] = rgb(255,0,0);
int last_bit = 0;
int prev_addr = 7;
#define N_PLANES 6
#define N_PLANES 8
#define N_BITS 10
#define OFFSET (N_BITS - N_PLANES)
for(int bit = N_BITS - 1; bit >= OFFSET; bit--) {
for(int bit = N_PLANES - 1; bit >= 0; bit--) {
uint32_t r = 1 << (20 + OFFSET + bit);
uint32_t g = 1 << (10 + OFFSET + bit);
uint32_t b = 1 << (0 + OFFSET + bit);
@ -278,6 +278,13 @@ void make_gamma_lut(double exponent) {
}
}
uint64_t monotonicns64() {
struct timespec tp;
clock_gettime(CLOCK_MONOTONIC, &tp);
return tp.tv_sec * UINT64_C(1000000000)+ tp.tv_nsec;
}
int main(int argc, char **argv) {
{
FILE *f = fopen("pattern.txt", "w");
@ -309,7 +316,8 @@ printf("clock %fMHz\n", clock_get_hz(clk_sys)/1e6);
pio_sm_set_clkdiv(pio, sm, 1.0);
int n = argc > 1 ? atoi(argv[1]) : 1;
int n = argc > 1 ? atoi(argv[1]) : 1000;
uint64_t start = monotonicns64();
for(int i=0; i<n; i++) {
std::vector<uint32_t> data = test_pattern(i);
@ -323,4 +331,9 @@ printf("clock %fMHz\n", clock_get_hz(clk_sys)/1e6);
pio_sm_config_xfer(pio, sm, PIO_DIR_TO_SM, datasize, 1);
pio_sm_xfer_data(pio, sm, PIO_DIR_TO_SM, datasize, databuf);
}
uint64_t end = monotonicns64();
uint64_t duration = end - start;
double fps = n * 1e9 / duration;
printf("%.1f FPS [%d frames in %fs]\n", fps, n, duration / 1e9);
}