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#include "trafficlight.h"
void set_tf_color(Traffic tf, uint8_t color) {
uint32_t pins = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6;
switch (color) {
case RED:
GPIOPinWrite(tf.port, pins, (1 << tf.red));
break;
case YELLOW:
GPIOPinWrite(tf.port ,pins, (1 << tf.yellow));
break;
case GREEN:
GPIOPinWrite(tf.port ,pins, (1 << tf.green));
break;
}
}
void PortInit(uint32_t port, uint32_t clk) {
uint32_t pins = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6;
SysCtlPeripheralEnable(clk);
while(!SysCtlPeripheralReady(clk)) {};
GPIOUnlockPin(port, pins);
// GPIOPinTypeGPIOInput(port, GPIO_PIN_0);
GPIOPinTypeGPIOOutput(port, pins);
GPIOPadConfigSet (port, GPIO_PIN_0 | GPIO_PIN_4 | GPIO_PIN_5,
GPIO_STRENGTH_2MA,GPIO_PIN_TYPE_STD_WPU);
}
void TimerInit(uint32_t timer, void(*timer_handler)(), uint32_t clk, uint32_t delay) {
reset_color();
SysCtlPeripheralEnable(clk);
while(!SysCtlPeripheralReady(clk)) {}
TimerDisable(timer, TIMER_BOTH);
TimerConfigure(timer, (TIMER_CFG_PERIODIC));
TimerLoadSet(timer, TIMER_BOTH, delay);
TimerIntUnregister(timer, TIMER_BOTH);
TimerEnable(timer, TIMER_BOTH);
TimerIntRegister(timer, TIMER_BOTH, timer_handler);
TimerIntEnable(timer, TIMER_TIMA_TIMEOUT | TIMER_TIMB_TIMEOUT);
}
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