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String based fade pattern

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whowechina 2024-05-10 09:54:02 +08:00
parent b6aa7d2dd2
commit 3bf036d288
2 changed files with 64 additions and 0 deletions
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63
firmware/src/light.c
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@ -171,6 +171,69 @@ void light_fade(uint32_t color, uint32_t fading_ms)
light_fade_n(1, 1, color, fading_ms);
}
static uint32_t htoi(const char *s)
{
uint32_t result = 0;
for (; *s != '\0'; s++) {
char c = *s;
result <<= 4;
if ((c >= '0') && (c <= '9')) {
result |= c - '0';
} else if ((c >= 'A') && (c <= 'F')) {
result |= c - 'A' + 10;
} else if ((c >= 'a') && (c <= 'f')) {
result |= c - 'a' + 10;
} else {
break;
}
}
return result;
}
static int parse_integers(const char *str, int32_t *output)
{
static char patt[256];
strncpy(patt, str, sizeof(patt) - 1);
patt[sizeof(patt) - 1] = '\0';
int count = 0;
for (char *token = strtok(patt, ", "); token; token = strtok(NULL, ", ")) {
if (token[0] == '#') {
output[count] = htoi(token + 1);
} else {
output[count] = atoi(token);
}
count++;
}
return count;
}
void light_fade_s(const char *pattern)
{
static int32_t param[100];
int param_num = parse_integers(pattern, param);
if ((param_num < 3) || (param_num % 2 != 1)) {
return;
}
fading.repeat = param[0];
fading.step_num = (param_num - 1) / 2;
for (int i = 0; i < fading.step_num; i++) {
fading.steps[i].from = i == 0 ? fading.color : fading.steps[i - 1].to;
fading.steps[i].to = param[i * 2 + 1];
fading.steps[i].duration = param[i * 2 + 2];
}
fading.curr_step = 0;
fading.elapsed = 0;
light_mode = MODE_FADE;
}
static void color_control(uint32_t delta_ms)
{
if (fading.repeat == 0) {

1
firmware/src/light.h
View File

@ -20,6 +20,7 @@ uint32_t rgb32_from_hsv(uint8_t h, uint8_t s, uint8_t v);
void light_fade(uint32_t color, uint32_t fading_ms);
void light_fade_n(int repeat, int count, ...);
void light_fade_s(const char *pattern);
void light_rainbow(int8_t speed, uint32_t smooth_ms, uint8_t level);