+#define CHECK_BRIGHTNESS(var, expr, array) \
+ do { \
+ (var) = (expr); \
+ if ((var) >= sizeof(array)/sizeof(array[0])) \
+ (var) = sizeof(array)/sizeof(array[0]) - 1; \
+ } while (0)
+
+void pwmled_set_brightness(uint16_t brightness)
+{
+ unsigned char i;
+
+ CHECK_BRIGHTNESS(i, brightness & 0x7, adc_targets_0);
+ adc_vals[0] = adc_targets_0[i];
+ CHECK_BRIGHTNESS(i, (brightness >> 3) & 0x7, adc_targets_0);
+ if (adc_vals[1] != adc_targets_0[i]) {
+ adc_vals[1] = adc_targets_0[i];
+ pwmleds[0].modes_not_yet_stable = MODE_STABILIZATION_TIME;
+ }
+ adc_vals[2] = adc_vals[1];
+
+ CHECK_BRIGHTNESS(i, (brightness >> 6) & 0x7, adc_targets_1);
+ // we use only one mode, so no modes_not_yet_stable handling here
+ adc_vals[3] = adc_targets_1[i];
+ adc_vals[4] = adc_vals[3];
+ adc_vals[5] = adc_vals[3];
+
+ CHECK_BRIGHTNESS(i, (brightness >> 9) & 0x7, adc_targets_2);
+ adc_vals[6] = adc_targets_2[i];
+ CHECK_BRIGHTNESS(i, (brightness >> 12) & 0x7, adc_targets_2);
+ if (adc_vals[7] != adc_targets_2[i]) {
+ adc_vals[7] = adc_targets_2[i];
+ pwmleds[2].modes_not_yet_stable = MODE_STABILIZATION_TIME;
+ }
+ adc_vals[8] = adc_vals[7];
+
+ for (i = 0; i < N_PWMLEDS; i++) {
+ pwmleds[i].err_sum = 0;
+ pwmled_set_mode(i, pwmleds[i].mode);
+ }
+}
+