Created
May 1, 2014 03:11
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#include <avr/io.h> | |
#include <avr/interrupt.h> | |
#include <avr/sleep.h> | |
#include "init.h" | |
#include "spi.h" | |
#include "tlc5628.h" | |
int main(void) { | |
volatile uint8_t i = 0; | |
static uint8_t sine[256] = {127, 130, 133, 136, 139, 143, 146, 149, 152, 155, 158, 161, 164, 167, 170, 173, 176, 178, 181, 184, 187, 190, 192, 195, 198, 200, 203, 205, 208, 210, 212, 215, 217, 219, 221, 223, 225, 227, 229, 231, 233, 234, 236, 238, 239, 240, 242, 243, 244, 245, 247, 248, 249, 249, 250, 251, 252, 252, 253, 253, 253, 254, 254, 254, 254, 254, 254, 254, 253, 253, 253, 252, 252, 251, 250, 249, 249, 248, 247, 245, 244, 243, 242, 240, 239, 238, 236, 234, 233, 231, 229, 227, 225, 223, 221, 219, 217, 215, 212, 210, 208, 205, 203, 200, 198, 195, 192, 190, 187, 184, 181, 178, 176, 173, 170, 167, 164, 161, 158, 155, 152, 149, 146, 143, 139, 136, 133, 130, 127, 124, 121, 118, 115, 111, 108, 105, 102, 99, 96, 93, 90, 87, 84, 81, 78, 76, 73, 70, 67, 64, 62, 59, 56, 54, 51, 49, 46, 44, 42, 39, 37, 35, 33, 31, 29, 27, 25, 23, 21, 20, 18, 16, 15, 14, 12, 11, 10, 9, 7, 6, 5, 5, 4, 3, 2, 2, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 42, 44, 46, 49, 51, 54, 56, 59, 62, 64, 67, 70, 73, 76, 78, 81, 84, 87, 90, 93, 96, 99, 102, 105, 108, 111, 115, 118, 121}; | |
init(0xd6, 0); | |
TCCR0A |= (1 << WGM01); | |
OCR0A = 50; | |
TCCR0B |= (1 << CS02) | (1 << CS00); | |
DDRA |= (1 << 4) | (1 << 6) | (1 << 3) | (1 << 2); | |
// pa4 clk pa6 data pa3 ldac pa2 load | |
PORTA |= (1 << 4) | (1 << 2); // load high | |
while (1) { | |
for (i = 0; i < 255; i++) { | |
sendCommand(0b00000000); | |
sendCommand(sine[i]); | |
PORTA ^= (1 << 2); | |
PORTA ^= (1 << 2); | |
} | |
} | |
} |
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