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author | David Vazgenovich Shakaryan <dvshakaryan@gmail.com> | 2019-12-09 02:21:54 -0800 |
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committer | David Vazgenovich Shakaryan <dvshakaryan@gmail.com> | 2019-12-09 02:21:54 -0800 |
commit | d100c4e0afdab9a880648a1185106e6962f56f1a (patch) | |
tree | c0ddca12054d39ab69abdddd0906399eed006ec7 /main.c | |
parent | 117e34641f0804938e9a199380e6d7529b9b11b5 (diff) | |
download | christmas_lights-d100c4e0afdab9a880648a1185106e6962f56f1a.tar.gz christmas_lights-d100c4e0afdab9a880648a1185106e6962f56f1a.tar.xz |
cleanup and various improvements
Diffstat (limited to 'main.c')
-rw-r--r-- | main.c | 103 |
1 files changed, 16 insertions, 87 deletions
@@ -4,101 +4,30 @@ #include <stdlib.h> #include <util/delay.h> -#define PIN_LED PB0 -#define NUM_LEDS 50 +#include "config.h" +#include "led.h" -struct led { - unsigned char r, g, b; -}; - -void signal_high() { - asm volatile ( - "sbi %0, %1\n\t" - "rjmp .+0\n\t" - "nop\n\t" - "cbi %0, %1\n\t" - "rjmp .+0\n\t" - "rjmp .+0\n\t" - : - : "I" (_SFR_IO_ADDR(PORTB)), "I" (PIN_LED) - ); -} - -void signal_low() { - asm volatile ( - "sbi %0, %1\n\t" - "cbi %0, %1\n\t" - "rjmp .+0\n\t" - "rjmp .+0\n\t" - "rjmp .+0\n\t" - "nop\n\t" - : - : "I" (_SFR_IO_ADDR(PORTB)), "I" (PIN_LED) - ); -} - -void signal_byte(unsigned char byte) { - for (unsigned char mask = 0x80; mask != 0; mask >>= 1) { - if (byte & mask) - signal_high(); - else - signal_low(); - } -} - -void signal_led(struct led *led) { - signal_byte(led->r); - signal_byte(led->g); - signal_byte(led->b); -} - -void signal_led_sequence(int num_leds, struct led **seq, int num_seq) { - for(int i = 0; i < num_leds; ++i) { - int j = i % num_seq; - signal_led(seq[j]); - } -} +static struct colour seq[6]; int main() { DDRB |= (1 << PIN_LED); PORTB &= ~(1 << PIN_LED); - struct led **seq = calloc(3, sizeof(*seq)); - - seq[0] = calloc(1, sizeof(struct led)); - seq[1] = calloc(1, sizeof(struct led)); - seq[2] = calloc(1, sizeof(struct led)); + seq[0].r = 255; + seq[1].r = 255; + seq[1].g = 127; + seq[2].r = 255; + seq[2].g = 255; + seq[3].g = 255; + seq[4].b = 255; + seq[5].r = 127; + seq[5].b = 255; while (1) { - seq[0]->g = 0; - seq[1]->b = 0; - seq[2]->r = 0; - seq[0]->r = 255; - seq[1]->g = 255; - seq[2]->b = 255; - - signal_led_sequence(NUM_LEDS, seq, 3); - _delay_ms(250); - - seq[0]->r = 0; - seq[1]->g = 0; - seq[2]->b = 0; - seq[0]->b = 255; - seq[1]->r = 255; - seq[2]->g = 255; - - signal_led_sequence(NUM_LEDS, seq, 3); - _delay_ms(250); - - seq[0]->b = 0; - seq[1]->r = 0; - seq[2]->g = 0; - seq[0]->g = 255; - seq[1]->b = 255; - seq[2]->r = 255; - - signal_led_sequence(NUM_LEDS, seq, 3); - _delay_ms(250); + for (int i = 0; i < NUM_LEDS; ++i) { + signal_led_sequence(NUM_LEDS, seq, 6, 4, i); + _delay_ms(100); + } } return 0; |