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- /*
- Copyright 2012 D Westaby
- ----------------------------------------------------------------------
- Car Lights for Attiny2313
- ----------------------------------------------------------------------
- Title: Car_Lighting.D
- Author: Dustin Westaby
- Date Created: September 8, 2012
- Date Modified: September 21, 2012
- Compiled with AVR-GCC WinAVR
- ----------------------------------------------------------------------
- Fuses:
- ----------------------------------------------------------------------
- BrownOut Disabled
- CKDIV8
- Int RC Osc 8Mhz + 64ms
- ----------------------------------------------------------------------
- Inputs:
- ----------------------------------------------------------------------
- None
- ----------------------------------------------------------------------
- Ouputs:
- ----------------------------------------------------------------------
- pin i/o port circuit trace connection
- ----------------------------------------------------------------------
- 4 1 PA1 = R_LED1
- 5 1 PA0 = L_LED2
- 2 1 PD0 = R_LED3
- 3 1 PD1 = R_LED4
- 6 1 PD2 = R_LED5
- 7 1 PD3 = R_LED6
- 14 1 PB2 = L_LED7
- 17 1 PB5 = L_LED8
- 18 1 PB6 = L_LED9
- 19 1 PB7 = L_LED10
- */
- //--------------------------------------
- // Global Variables |
- //--------------------------------------
- // 8 MHz Internal Oscillator DIV8 (used for delay subroutines)
- // One CPU Cycle = 1us
- #define F_CPU 8000000UL/8
- #define R_LED1_PA1 (1<<1)
- #define L_LED2_PA0 (1<<0)
- #define R_LED3_PD0 (1<<0)
- #define R_LED4_PD1 (1<<1)
- #define R_LED5_PD2 (1<<2)
- #define R_LED6_PD3 (1<<3)
- #define L_LED7_PB2 (1<<2)
- #define L_LED8_PB5 (1<<5)
- #define L_LED9_PB6 (1<<6)
- #define L_LED10_PB7 (1<<7)
- //This value is used to count us of delay and convert to ms
- //Due to other cpu processing: "1ms of delay" < "1000us of delay"
- #define TIME_CONVERSION_VAL (50)
- int program_ms_counter;
- int program_counter_us; //used for tracking time elapsed
- //--------------------------------------
- // Includes |
- //--------------------------------------
- #include <avr/io.h>
- #include <util/delay.h>
- //--------------------------------------
- // Delay Subroutines |
- //--------------------------------------
- //These functions are from the delay.h include, the calls to delay functions
- //are re-written here to allow for longer waits.
- void delay_ms(uint16_t ms) {
- program_ms_counter+=ms;
- while ( ms )
- {
- _delay_ms(1);
- ms--;
- }
- }
- void delay_us(uint16_t us) {
- program_counter_us+=us;
- while ( us )
- {
- _delay_us(1);
- us--;
- }
- while(program_counter_us>=TIME_CONVERSION_VAL)
- {
- program_ms_counter++;
- program_counter_us-=TIME_CONVERSION_VAL;
- }
- }
- //--------------------------------------
- // Misc Subroutines |
- //--------------------------------------
- void reset_ms_us_counters(void) {
- program_ms_counter=0;
- program_counter_us=0;
- }
- void all_LEDs_ON(void) {
- PORTA = 0xFF;
- PORTB = 0xFF;
- PORTD = 0xFF;
- }
- void all_LEDs_OFF(void) {
- PORTA &= ~(R_LED1_PA1 + L_LED2_PA0);
- PORTB &= ~(L_LED10_PB7 + L_LED9_PB6 + L_LED8_PB5 + L_LED7_PB2);
- PORTD &= ~(R_LED6_PD3 + R_LED5_PD2 + R_LED4_PD1 + R_LED3_PD0);
- }
- void program1_off(void) {
- PORTA &= ~(R_LED1_PA1 + L_LED2_PA0);
- PORTB &= ~(L_LED10_PB7 + L_LED9_PB6 + L_LED8_PB5 + L_LED7_PB2);
- PORTD &= ~(R_LED6_PD3 + R_LED5_PD2 + R_LED4_PD1 + R_LED3_PD0);
- }
- void program2_off(void) {
- PORTA &= ~(R_LED1_PA1 + L_LED2_PA0);
- PORTB &= ~(L_LED10_PB7 + L_LED8_PB5);
- PORTD &= ~(R_LED6_PD3 + R_LED5_PD2 + R_LED4_PD1 + R_LED3_PD0);
- }
- void program3_off(void) {
- PORTA &= ~(R_LED1_PA1 + L_LED2_PA0);
- }
- void program4_off (void) {
- PORTA &= ~(R_LED1_PA1 + L_LED2_PA0);
- PORTB &= ~(L_LED10_PB7 + L_LED9_PB6 + L_LED8_PB5 + L_LED7_PB2);
- PORTD &= ~(R_LED6_PD3 + R_LED5_PD2 + R_LED4_PD1 + R_LED3_PD0);
- }
- void program5_off (void) {
- PORTA &= ~(R_LED1_PA1 + L_LED2_PA0);
- PORTB &= ~(L_LED10_PB7 + L_LED9_PB6 + L_LED8_PB5 + L_LED7_PB2);
- PORTD &= ~(R_LED6_PD3 + R_LED4_PD1);
- }
- void program6_off (void) {
- PORTA &= ~(R_LED1_PA1 + L_LED2_PA0);
- }
- //--------------------------------------
- // Main |
- //--------------------------------------
- int main (void)
- {
- /* ---------------------------------------------------------------- */
- /* Initialization */
- /* ---------------------------------------------------------------- */
- int dim_delay_on = 200; //us
- int dim_delay_off = 4000; //us
- //Initialize all ports as outputs
- DDRA = 0b00000011; //A0, A1
- DDRB = 0b11111111;
- DDRD = 0b11111111;
- all_LEDs_OFF();
- /* ---------------------------------------------------------------- */
- /* Main Loop */
- /* ---------------------------------------------------------------- */
- while(1)
- {
- //program 1
- reset_ms_us_counters();
- while(program_ms_counter < 6000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- //program 2
- reset_ms_us_counters();
- while(program_ms_counter < 500)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program3_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 1000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 1500)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program3_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 2000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 2500)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program3_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 3000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 3500)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program3_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 4000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 4500)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program3_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 5000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 5500)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program3_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 6000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 6500)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program3_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 7000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- //program 3
- reset_ms_us_counters();
- while(program_ms_counter < 3000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program2_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 4000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 6500)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program2_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 7000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- //program 4
- reset_ms_us_counters();
- while(program_ms_counter < 6000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- //program 5
- reset_ms_us_counters();
- while(program_ms_counter < 500)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program4_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 1000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 1500)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program4_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 2000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 2500)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program4_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 3000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 3500)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program4_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 4000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 4500)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program4_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 5000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 5500)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program4_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 6000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 6500)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program4_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 7000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- //program 6
- reset_ms_us_counters();
- while(program_ms_counter < 3000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program2_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 4000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 6500)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- program2_off();
- delay_us(dim_delay_off);
- }
- while(program_ms_counter < 7000)
- {
- all_LEDs_ON();
- delay_us(dim_delay_on);
- all_LEDs_OFF();
- delay_us(dim_delay_off);
- }
- }
- while(1); // Ending infinite loop (just in case)
- }
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