diff options
| -rw-r--r-- | eq.c | 15 | ||||
| -rw-r--r-- | led.c | 15 | ||||
| -rw-r--r-- | main.c | 15 |
3 files changed, 30 insertions, 15 deletions
@@ -8,20 +8,23 @@ unsigned char eq_levels[7]; static const unsigned char thresholds[][2] = { EQ_THRESHOLDS }; -static void reset() { +static void reset() +{ PORTB |= (1 << EQ_PIN_RESET); PORTB &= ~(1 << EQ_PIN_RESET); _delay_us(36); } -static void strobe() { +static void strobe() +{ PORTB |= (1 << EQ_PIN_STROBE); _delay_us(36); PORTB &= ~(1 << EQ_PIN_STROBE); _delay_us(36); } -static unsigned char map_level(unsigned char val, unsigned char min, unsigned char max) { +static unsigned char map_level(unsigned char val, unsigned char min, unsigned char max) +{ if (val <= min) return 0; else if (val >= max) @@ -30,7 +33,8 @@ static unsigned char map_level(unsigned char val, unsigned char min, unsigned ch return (val - min) * 255 / (max - min); } -void eq_read() { +void eq_read() +{ reset(); for (int i = 0; i < 7; ++i) { @@ -42,7 +46,8 @@ void eq_read() { } } -void eq_decay(int cycles) { +void eq_decay(int cycles) +{ for (int i = 0; i < cycles; ++i) { reset(); @@ -3,7 +3,8 @@ #include <avr/io.h> -static void signal_bit_0() { +static void signal_bit_0() +{ asm volatile ( "sbi %0, %1\n\t" "cbi %0, %1\n\t" @@ -15,7 +16,8 @@ static void signal_bit_0() { ); } -static void signal_bit_1() { +static void signal_bit_1() +{ asm volatile ( "sbi %0, %1\n\t" "rjmp .+0\n\t" @@ -28,7 +30,8 @@ static void signal_bit_1() { ); } -static void signal_byte(unsigned char byte) { +static void signal_byte(unsigned char byte) +{ for (unsigned char mask = 0x80; mask != 0; mask >>= 1) { if (byte & mask) signal_bit_1(); @@ -37,13 +40,15 @@ static void signal_byte(unsigned char byte) { } } -static void signal_led(struct colour *c) { +static void signal_led(struct colour *c) +{ signal_byte(c->r); signal_byte(c->g); signal_byte(c->b); } -void led_signal_sequence(int num_leds, struct colour *seq, int num_seq, int col_width, int seq_start) { +void led_signal_sequence(int num_leds, struct colour *seq, int num_seq, int col_width, int seq_start) +{ for(int i = 0; i < num_leds; ++i) { int j, p = i - seq_start; @@ -10,7 +10,8 @@ static struct colour seq[6]; static bool interrupted = false; -void red_green() { +void red_green() +{ #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wmemset-elt-size" memset(seq, 0, 2 * sizeof(seq[0])); @@ -32,7 +33,8 @@ void red_green() { } } -void rainbow() { +void rainbow() +{ memset(seq, 0, 6 * sizeof(seq[0])); seq[0].r = 255; @@ -58,7 +60,8 @@ void rainbow() { } } -void sound_reactive() { +void sound_reactive() +{ memset(seq, 0, 3 * sizeof(seq[0])); int offset = 0; @@ -87,7 +90,8 @@ void sound_reactive() { } } -int main() { +int main() +{ DDRB |= (1 << LED_PIN); PORTB &= ~(1 << LED_PIN); @@ -114,7 +118,8 @@ int main() { return 0; } -ISR(PCINT0_vect) { +ISR(PCINT0_vect) +{ if (!(PINB & (1 << ISR_PIN))) interrupted = true; } |