| 0,0 → 1,62 |
|---|
| #include ".\camerus.h" |
| |
| #define CAMERA_ADR 0xC0 |
| |
| |
| void main() |
| { |
| setup_adc_ports(NO_ANALOGS); |
| setup_adc(ADC_OFF); |
| setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1); |
| setup_timer_1(T1_DISABLED); |
| setup_timer_2(T2_DISABLED,0,1); |
| |
| output_high(PIN_C0); |
| output_low(PIN_C6); |
| |
| Delay_ms(200); |
| output_low(PIN_C0); |
| Delay_ms(200); |
| output_high(PIN_C0); |
| |
| i2c_start(); // Reset |
| i2c_write(CAMERA_ADR); |
| i2c_write(0x12); |
| i2c_write(0x80 | 0x24); |
| i2c_stop(); |
| |
| // **** Write data => Adr($13) = 0x05 **** |
| // This will tri-state the Y and UV busses on the OV6620, which |
| // will allow re-programming of the atmega8 to proceed at startup |
| // if needed. |
| |
| i2c_start(); |
| i2c_write(CAMERA_ADR); |
| i2c_write(0x13); |
| i2c_write(0x05); |
| i2c_stop(); |
| |
| Delay_ms(250); |
| |
| //**** Write data => Adr($3F) = 0x42 **** |
| // This will turn on the external clock for the atmega8 to use. |
| |
| i2c_start(); |
| i2c_write(CAMERA_ADR); |
| i2c_write(0x3F); |
| i2c_write(0x42); |
| i2c_stop(); |
| |
| // Wait for a short amount of time for the external clock |
| // to stabilize |
| |
| Delay_ms(250); |
| |
| |
| output_low(PIN_C0); |
| |
| // turn on the mega8 by releasing the reset line |
| output_high(PIN_C6); |
| |
| while(true); |
| } |