X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?p=bike-lights.git;a=blobdiff_plain;f=firmware%2Fpwmled.c;h=c156d8175f01440eef1601e4cc2609cc06082646;hp=9aa6d8074689dd9b5e08de41e2d0a23e805e4a60;hb=9fd1101ae25f19ddd7b13a4660532339ddce3309;hpb=d2d66452238dcc8912f0a5b7fb4132235453193f diff --git a/firmware/pwmled.c b/firmware/pwmled.c index 9aa6d80..c156d81 100644 --- a/firmware/pwmled.c +++ b/firmware/pwmled.c @@ -42,42 +42,28 @@ static uint16_t adc_max[N_PWMLEDS] = { #endif }; -static uint16_t adc_vals[N_PWMLEDS*N_PWMLED_MODES] = { -#ifdef TESTING_FW - /* pwmled0 */ +static uint16_t adc_targets_0[] = { MA_GAIN_TO_ADC( 50, 20), MA_GAIN_TO_ADC( 100, 20), MA_GAIN_TO_ADC( 200, 20), MA_GAIN_TO_ADC( 350, 20), - /* pwmled1 */ +}; + +static uint16_t adc_targets_1[] = { MA_GAIN_TO_ADC( 5, 20), MA_GAIN_TO_ADC( 10, 20), - MA_GAIN_TO_ADC( 15, 20), MA_GAIN_TO_ADC( 20, 20), - /* pwmled2 */ +}; + +static uint16_t adc_targets_2[] = { MA_GAIN_TO_ADC( 50, 1), - MA_GAIN_TO_ADC( 80, 1), - MA_GAIN_TO_ADC( 150, 1), - MA_GAIN_TO_ADC( 200, 1) -#else - /* pwmled0 */ - MA_GAIN_TO_ADC( 50, 20), - MA_GAIN_TO_ADC( 100, 20), - MA_GAIN_TO_ADC( 200, 20), - MA_GAIN_TO_ADC( 350, 20), - /* pwmled1 */ - MA_GAIN_TO_ADC( 5, 20), - MA_GAIN_TO_ADC( 10, 20), - MA_GAIN_TO_ADC( 18, 20), - MA_GAIN_TO_ADC( 23, 20), - /* pwmled2 */ - MA_GAIN_TO_ADC( 150, 1), - MA_GAIN_TO_ADC( 300, 1), - MA_GAIN_TO_ADC( 800, 1), - MA_GAIN_TO_ADC(1500, 1) -#endif + MA_GAIN_TO_ADC( 100, 1), + MA_GAIN_TO_ADC( 200, 1), + MA_GAIN_TO_ADC( 350, 1), }; +static uint16_t adc_vals[N_PWMLEDS*N_PWMLED_MODES]; + #define ST_DISABLED 0 #define ST_OFF 1 #define ST_PROBING 2 @@ -94,16 +80,19 @@ void init_pwmled() pwmled_t *led = pwmleds + i; led->err_sum = 0; led->target = adc_vals[i*N_PWMLED_MODES]; - led->pwm = 0; led->mode = 1; - led->state = ST_PROBING; led->probe_steady = 0; + led->state = ST_OFF; + led->pwm = 1; + pwm_set(i, led->pwm); for (j = 0; j < N_PWMLED_MODES; j++) { led->mode_pwm[j] = 0; led->err_sums[j] = 0; } } + + pwmled_set_brightness(PWMLED_BRIGHTNESS(0, 2, 1, 0, 2)); } void pwmled_set_mode(unsigned char n, unsigned char mode) @@ -133,6 +122,40 @@ void pwmled_set_mode(unsigned char n, unsigned char mode) } } +#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); + adc_vals[1] = adc_targets_0[i]; + adc_vals[2] = adc_vals[1]; + + CHECK_BRIGHTNESS(i, (brightness >> 6) & 0x7, adc_targets_1); + 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); + adc_vals[7] = adc_targets_2[i]; + 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); + } +} + #define PWMLED_PROBE_STEADY_COUNT 10 static inline unsigned char pwmled_probed_ok(unsigned char n, uint16_t old_pwm) @@ -214,7 +237,8 @@ void pwmled_adc(unsigned char n, uint16_t adcval) old_pwm = led->pwm; - shift = led->state == ST_PROBING ? 3 : 8; + // shift = led->state == ST_PROBING ? 3 : 8; + shift = 3; sum = ((int32_t)led->pwm << shift) + led->err_sum + led->target - adcval;