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APA102: API rework (#23355)

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Ryan 2024-06-13 22:19:45 +10:00 • committed by GitHub
parent c4a74be7f0
commit 55538b2e1e
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GPG key ID: B5690EEEBB952194
4 changed files with 70 additions and 29 deletions
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25
drivers/led/apa102.c
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@ -53,7 +53,8 @@
io_wait; \
} while (0)
uint8_t apa102_led_brightness = APA102_DEFAULT_BRIGHTNESS;
rgb_led_t apa102_leds[APA102_LED_COUNT];
uint8_t apa102_led_brightness = APA102_DEFAULT_BRIGHTNESS;
static void apa102_send_byte(uint8_t byte) {
APA102_SEND_BIT(byte, 7);
@ -121,14 +122,24 @@ void apa102_init(void) {
gpio_set_pin_output(APA102_CI_PIN);
}
void apa102_setleds(rgb_led_t *start_led, uint16_t num_leds) {
rgb_led_t *end = start_led + num_leds;
void apa102_set_color(uint16_t index, uint8_t red, uint8_t green, uint8_t blue) {
apa102_leds[index].r = red;
apa102_leds[index].g = green;
apa102_leds[index].b = blue;
}
apa102_start_frame();
for (rgb_led_t *led = start_led; led < end; led++) {
apa102_send_frame(led->r, led->g, led->b, apa102_led_brightness);
void apa102_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
for (uint16_t i = 0; i < APA102_LED_COUNT; i++) {
apa102_set_color(i, red, green, blue);
}
apa102_end_frame(num_leds);
}
void apa102_flush(void) {
apa102_start_frame();
for (uint8_t i = 0; i < APA102_LED_COUNT; i++) {
apa102_send_frame(apa102_leds[i].r, apa102_leds[i].g, apa102_leds[i].b, apa102_led_brightness);
}
apa102_end_frame(APA102_LED_COUNT);
}
void apa102_set_brightness(uint8_t brightness) {

15
drivers/led/apa102.h
View file

@ -32,17 +32,8 @@
#define APA102_MAX_BRIGHTNESS 31
void apa102_init(void);
/* User Interface
*
* Input:
* start_led: An array of GRB data describing the LED colors
* num_leds: The number of LEDs to write
*
* The functions will perform the following actions:
* - Set the data-out pin as output
* - Send out the LED data
*/
void apa102_setleds(rgb_led_t *start_led, uint16_t num_leds);
void apa102_set_color(uint16_t index, uint8_t red, uint8_t green, uint8_t blue);
void apa102_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
void apa102_flush(void);
void apa102_set_brightness(uint8_t brightness);