pattern.c: ADC-timed blinking patterns (b02a7f77) · Commits · Jan Kasprzak / tinyboard

projects/step-up/Makefile

+1 −1

Original line number	Diff line number	Diff line

		PROGRAM=lights
		SRC=main.c logging.c pwm.c adc.c pwmled.c
		SRC=main.c logging.c pwm.c adc.c pwmled.c pattern.c
		OBJ=$(SRC:.c=.o)

projects/step-up/adc.c

+12 −0

Original line number	Diff line number	Diff line
		@@ -140,9 +140,21 @@ static void adc1_gain20_adc(uint16_t adcsum)
		}
		#endif

		static void inline adc_based_timer()
		{
		static uint16_t pattern_counter;

		if (++pattern_counter > 250) {
		pattern_counter = 0;
		patterns_next_tick();
		}
		}

		ISR(ADC_vect) { // IRQ handler
		uint16_t adcval = ADCW;

		adc_based_timer();

		if (read_zero) {
		setup_mux(current_adc);
		read_zero = 0;

projects/step-up/pattern.c

+32 −40

Original line number	Diff line number	Diff line
		@@ -3,29 +3,10 @@

		#include "lights.h"

		#define N_LEDS 1
		static unsigned char led_counters[N_LEDS];
		static pattern_t *led_patterns[N_LEDS];

		static pattern_t boot_pattern[] = {
		{ 1, 0x6 },
		{ 0, 0x6 },
		{ 1, 0x3 },
		{ 0, 0x3 },
		{ 1, 0x2 },
		{ 0, 0x2 },
		{ 1, 0x1 },
		{ 0, 0x1 },
		{ 1, 0x1 },
		{ 0, 0x1 },
		{ 1, 0x1 },
		{ 0, 0x1 },
		{ 1, 0x1 },
		{ 0, 0x1 },
		{ 1, 0x10 },
		{ 0, 0x10 },
		PATTERN_END
		};

		static pattern_t pattern_num[] = {
		{ 0, 0x5 },
		{ 1, 0x1 }, /* 10 */
		@@ -81,12 +62,20 @@ pattern_t off_pattern[] = {
		PATTERN_END
		};

		pattern_t on1_pattern[] = {
		{ 1, 1 },
		{ 0, 2 },
		{ 1, 1 },
		{ 0, 8 },
		{ 1, 1 },
		{ 0, 8 },
		PATTERN_END
		};

		static void led_set_mode(unsigned char n, unsigned char mode)
		{
		if (n < N_PWMLEDS) {
		pwmled_set_mode(n, mode);
		} else if (n < N_LEDS) {
		gpio_set(n - N_PWMLEDS, mode);
		if (n == 0) {
		pwmled_on_off(mode);
		}
		}

		@@ -107,8 +96,6 @@ void init_pattern()

		for (i = 0; i < N_LEDS; i++)
		led_set_pattern(i, NULL);

		led_set_pattern(N_PWMLEDS+1, boot_pattern);
		}

		pattern_t *number_pattern(unsigned char num, unsigned char inv)
		@@ -129,13 +116,21 @@ pattern_t *number_pattern(unsigned char num, unsigned char inv)

		static pattern_t *pattern_select(unsigned char n)
		{
		static unsigned char count;
		static unsigned char mode;
		switch(n) {
		case 0: return pwmled0_pattern_select();
		case 1: return pwmled1_pattern_select();
		case 2: return pwmled2_pattern_select();
		case 3: return status_led_pattern_select();
		case 4: return illumination_led_pattern_select();
		case 6: return laser_pattern_select();
		case 0:
		if (++count > 2) {
		count = 0;
		if (mode == 0) {
		mode = 3;
		} else {
		mode = 0;
		}

		pwmled_set_target(mode);
		}
		return number_pattern(mode ? 2 : 3, 0);
		default: return NULL;
		}
		}
		@@ -154,14 +149,10 @@ static void inline pattern_finished(unsigned char n)

		led_patterns[n] = NULL;

		if (n < N_PWMLEDS) {
		for (i = 0; i < N_PWMLEDS; i++)
		if (led_patterns[i])
		return;

		/* all pwmleds finished; restart them */
		for (i = 0; i < N_PWMLEDS; i++)
		led_set_pattern(i, pattern_select(i));
		if (n == 0) {
		led_set_pattern(0, pattern_select(0));
		}
		#if 0
		} else if (n == 3) {
		if (!led_patterns[4])
		led_set_pattern(4, pattern_select(4));
		@@ -171,6 +162,7 @@ static void inline pattern_finished(unsigned char n)
		} else {
		led_set_pattern(n, pattern_select(n));
		}
		#endif
		}

		void patterns_next_tick()