diff options
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 78 |
1 files changed, 54 insertions, 24 deletions
@@ -1,26 +1,33 @@ #include "trafficlight.h"
-uint8_t cur_color_1 = RED_TF1;
-uint8_t cur_color_2 = YELLOW_TF2;
-uint32_t period_1 = RED_PERIOD;
-uint32_t period_2 = GREEN_PERIOD;
+uint32_t period_1 = RED_PERIOD;
+uint32_t period_2 = GREEN_PERIOD;
+uint32_t period_3 = RED_PERIOD;
+
+Traffic tf1 = {RED, GPIO_PORTF_BASE, 1, 2, 3};
+Traffic tf2 = {YELLOW, GPIO_PORTA_BASE, 2, 3, 4};
+Traffic tf_ped = {RED, GPIO_PORTB_BASE, 5, 0, 1};
+
+void Switch_Handler() {
+
+}
void Timer0_Handler() {
TimerIntClear(TIMER0_BASE, TIMER_BOTH);
- switch(cur_color_1) {
- case RED_TF1:
- cur_color_1 = GREEN_TF1;
- set_color(cur_color_1);
+ switch(tf1.cur_color) {
+ case RED:
+ tf1.cur_color = GREEN;
+ set_tf_color(tf1, GREEN);
TimerLoadSet(TIMER0_BASE, TIMER_BOTH, GREEN_PERIOD);
break;
- case YELLOW_TF1:
- cur_color_1 = RED_TF1;
- set_color(cur_color_1);
+ case YELLOW:
+ tf1.cur_color = RED;
+ set_tf_color(tf1, RED);
TimerLoadSet(TIMER0_BASE, TIMER_BOTH, RED_PERIOD);
break;
- case GREEN_TF1:
- cur_color_1 = YELLOW_TF1;
- set_color(cur_color_1);
+ case GREEN:
+ tf1.cur_color = YELLOW;
+ set_tf_color(tf1, YELLOW);
TimerLoadSet(TIMER0_BASE, TIMER_BOTH, YELLOW_PERIOD);
break;
}
@@ -28,33 +35,56 @@ void Timer0_Handler() { void Timer1_Handler() {
TimerIntClear(TIMER1_BASE, TIMER_BOTH);
- switch(cur_color_2) {
- case RED_TF2:
- cur_color_2 = GREEN_TF2;
- set_color(cur_color_2);
+ switch(tf2.cur_color) {
+ case RED:
+ tf2.cur_color = GREEN;
+ set_tf_color(tf2, GREEN);
TimerLoadSet(TIMER1_BASE, TIMER_BOTH, GREEN_PERIOD);
break;
- case YELLOW_TF2:
- cur_color_2 = RED_TF2;
- set_color(cur_color_2);
+ case YELLOW:
+ tf2.cur_color = RED;
+ set_tf_color(tf2, RED);
TimerLoadSet(TIMER1_BASE, TIMER_BOTH, RED_PERIOD);
break;
- case GREEN_TF2:
- cur_color_2 = YELLOW_TF2;
- set_color(cur_color_2);
+ case GREEN:
+ tf2.cur_color = YELLOW;
+ set_tf_color(tf2, YELLOW);
TimerLoadSet(TIMER1_BASE, TIMER_BOTH, YELLOW_PERIOD);
break;
}
}
+void Timer2_Handler() {
+ TimerIntClear(TIMER2_BASE, TIMER_BOTH);
+ switch(tf_ped.cur_color) {
+ case RED:
+ tf_ped.cur_color = GREEN;
+ set_tf_color(tf_ped, GREEN);
+ TimerLoadSet(TIMER2_BASE, TIMER_BOTH, GREEN_PERIOD);
+ break;
+ case YELLOW:
+ tf_ped.cur_color = RED;
+ set_tf_color(tf_ped, RED);
+ TimerLoadSet(TIMER2_BASE, TIMER_BOTH, RED_PERIOD);
+ break;
+ case GREEN:
+ tf_ped.cur_color = YELLOW;
+ set_tf_color(tf_ped, YELLOW);
+ TimerLoadSet(TIMER2_BASE, TIMER_BOTH, YELLOW_PERIOD);
+ break;
+ }
+}
+
int main()
{
PortInit(GPIO_PORTF_BASE, SYSCTL_PERIPH_GPIOF); // Initialize portf
PortInit(GPIO_PORTA_BASE, SYSCTL_PERIPH_GPIOA); // Initialize porta
+ PortInit(GPIO_PORTB_BASE, SYSCTL_PERIPH_GPIOB); // Initialize portb
__asm("CPSID I"); // Disable all interrupts
TimerInit(TIMER0_BASE, Timer0_Handler, SYSCTL_PERIPH_TIMER0, period_1); // Intialize Timer0 with period_1
TimerInit(TIMER1_BASE, Timer1_Handler, SYSCTL_PERIPH_TIMER1, period_2); // Intialize Timer1 with period_2
+ TimerInit(TIMER2_BASE, Timer2_Handler, SYSCTL_PERIPH_TIMER2, period_3); // Intialize Timer1 with period_2
__asm("CPSIE I"); // Enable all interrupts
while(1) {
__asm("wfi"); // power saving mode
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