Added comments to LED stuff and included .hex file

example_keyboards
Dave Jones 9 years ago
parent 5259f36d03
commit dcc9948fae

@ -160,16 +160,28 @@ void * matrix_init_user(void) {
// Runs constantly in the background, in a loop. // Runs constantly in the background, in a loop.
void * matrix_scan_user(void) { void * matrix_scan_user(void) {
static uint8_t leds[4]; // Yes, I'm wasting a byte. Sue me. /* leds is a static array holding the current brightness of each of the
* three keyboard LEDs. It's 4 long simply to avoid the ugliness of +1s and
* -1s in the code below, and because wasting a byte really doesn't matter
* that much (no, it *doesn't*, stop whinging!). Note that because it's
* static it'll maintain state across invocations of this routine.
*/
static uint8_t leds[4];
uint8_t led; uint8_t led;
uint8_t layer = biton32(layer_state); uint8_t layer = biton32(layer_state);
ergodox_board_led_off(); ergodox_board_led_off();
/* Loop over each LED/layer */
for (led = 1; led <= 3; ++led) { for (led = 1; led <= 3; ++led) {
/* If the current layer matches the current LED, increment its
* brightness by 1 up to a maximum of 255. If the current layer doesn't
* match, decrement its brightness by 1 down to a minimum of zero.
*/
leds[led] += (layer == led) ? leds[led] += (layer == led) ?
(leds[led] < 255 ? 1 : 0): (leds[led] < 255 ? 1 : 0):
(leds[led] > 0 ? -1 : 0); (leds[led] > 0 ? -1 : 0);
/* Set LED state according to the new brightness */
if (leds[led]) { if (leds[led]) {
ergodox_right_led_on(led); ergodox_right_led_on(led);
ergodox_right_led_set(led, leds[led]); ergodox_right_led_set(led, leds[led]);

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