root / toolbox / led.c @ 94548bf4
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#include "led.h" |
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#include "time.h" |
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char blink_count;
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enum color_t blink_color;
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uint16_t blink_period, blink_ticks; |
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static void led_color(enum color_t color) { |
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switch (color) {
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case OFF:
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led_off(); |
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break;
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case RED:
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led_red(); |
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break;
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case YELLOW:
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led_yellow(); |
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break;
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case GREEN:
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led_green(); |
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break;
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} |
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} |
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void led_tick() {
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if (blink_count) {
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if (++blink_ticks >= blink_period) {
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blink_ticks = 0;
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if (--blink_count % 2) { |
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led_color(blink_color); |
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} else {
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led_off(); |
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} |
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} |
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} |
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} |
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void led_blink_start(unsigned int period_ms, char n_times, enum color_t color) { |
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blink_count = n_times*2-1; |
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blink_period = period_ms/2/TICK_MS;
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blink_ticks = 0;
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blink_color = color; |
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led_color(color); |
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} |
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char led_blink_done() {
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return blink_count == 0; |
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} |