SHOW:
|
|
- or go back to the newest paste.
| 1 | #include<util/delay.h> | |
| 2 | #include<avr/io.h> | |
| 3 | #include"defines.h" | |
| 4 | void control_write(unsigned char control) | |
| 5 | {
| |
| 6 | GLCD_DATA_DDR = 0XFF; | |
| 7 | GLCD_CTRL_PORT &= ~(1<<GLCD_CTRL_E); | |
| 8 | GLCD_CTRL_PORT &= ~(1<<GLCD_CTRL_RW); | |
| 9 | GLCD_CTRL_PORT |= (1<<GLCD_CTRL_CS0); | |
| 10 | GLCD_CTRL_PORT &= ~(1<<GLCD_CTRL_RS); | |
| 11 | asm volatile ("nop"); asm volatile ("nop");
| |
| 12 | asm volatile ("nop"); asm volatile ("nop");
| |
| 13 | GLCD_CTRL_PORT |= (1<<GLCD_CTRL_E); | |
| 14 | asm volatile ("nop"); asm volatile ("nop");
| |
| 15 | GLCD_DATA_PORT = 0x3e; | |
| 16 | GLCD_CTRL_PORT |= (1<<GLCD_CTRL_RW); | |
| 17 | asm volatile ("nop"); asm volatile ("nop");
| |
| 18 | } | |
| 19 | unsigned char control_read() | |
| 20 | {
| |
| 21 | unsigned char control; | |
| 22 | GLCD_DATA_DDR = 0X00; | |
| 23 | GLCD_CTRL_PORT &= ~(1<<GLCD_CTRL_E); | |
| 24 | GLCD_CTRL_PORT |= (1<<GLCD_CTRL_RW); | |
| 25 | GLCD_CTRL_PORT |= (1<<GLCD_CTRL_CS0); | |
| 26 | GLCD_CTRL_PORT &= ~(1<<GLCD_CTRL_RS); | |
| 27 | asm volatile ("nop"); asm volatile ("nop");
| |
| 28 | asm volatile ("nop"); asm volatile ("nop");
| |
| 29 | GLCD_CTRL_PORT |= (1<<GLCD_CTRL_E); | |
| 30 | asm volatile ("nop"); asm volatile ("nop");
| |
| 31 | control = GLCD_DATA_PIN; | |
| 32 | GLCD_CTRL_PORT &= ~(1<<GLCD_CTRL_RW); | |
| 33 | asm volatile ("nop"); asm volatile ("nop");
| |
| 34 | return control; | |
| 35 | } | |
| 36 | ||
| 37 | int main(void){
| |
| 38 | unsigned char control; | |
| 39 | _delay_ms(100); | |
| 40 | DDRB = 0xFF; | |
| 41 | GLCD_CTRL_DDR = 0XFF; | |
| 42 | GLCD_CTRL_PORT &= ~(1<<GLCD_CTRL_RESET); | |
| 43 | while(1){
| |
| 44 | //CONTROL WRITE | |
| 45 | control_write(GLCD_ON_CTRL); | |
| 46 | //CONTROL READ | |
| 47 | control = control_read(); | |
| 48 | PORTB |= (1<<1); | |
| 49 | - | if(control & GLCD_STATUS_RESET) |
| 49 | + | if(control & GLCD_STATUS_BUSY) |
| 50 | PORTB |= (1<<0); | |
| 51 | } | |
| 52 | return 0; | |
| 53 | } |
