void i2c_setup(void)
{
/* Setup I2C pin muxing */
Init_I2C_PinMux();
/* Setup I2C, master, and slave */
setupI2CMaster();
setupI2CSlave();
/* Enable the interrupt for the I2C */
NVIC_EnableIRQ(LPC_IRQNUM);
xI2cSemaphore =xSemaphoreCreateBinary();
DEBUGOUT(" I2C slaves are ready\r\n");
}
/**
* @brief Main routine for I2C example
* @return Function should not exit
*/
int main(void)
{
int lastState = -1;
/* Generic Initialization */
SystemCoreClockUpdate();
Board_Init();
Board_LED_Set(0, false);
/* Setup I2C pin muxing */
Init_I2C_PinMux();
/* Allocate I2C handle, setup I2C rate, and initialize I2C
clocking */
setupI2CMaster();
/* Enable the interrupt for the I2C */
NVIC_EnableIRQ(I2C_IRQn);
/* Enable SysTick Timer */
SysTick_Config(SystemCoreClock / TICKRATE_HZ);
//ustawiamy przykładowo godzinę 9:31
volatile int hourH = 0;
volatile int hourL = 9;
volatile int minuteH = 3;
volatile int minuteL = 1;
volatile int seconds = 0;
volatile int tickCounter = 0;
/* Toggle LED on other board via I2C */
while (1) {
//zliczanie ticków
tickCounter++;
//kolejno warunki na zliczanie sekund, minut, godzin
//w przypadku taktowania 400 ticków na sekundę
if(tickCounter == 400) {
tickCounter = 0;
seconds = seconds + 1;
}
if(seconds == 60) {
seconds = 0;
minuteL = minuteL + 1;
}
if(minuteL == 10) {
minuteL = 0;
minuteH = minuteH + 1;
}
if(minuteH == 6) {
minuteH = 0;
hourL = hourL + 1;
}
if(hourL == 10) {
hourL = 0;
hourH = hourH + 1;
}
if(hourH == 2 && hourL == 4) {
minuteH = 0; minuteL = 0;
hourL = 0; hourH = 0;
}
//wyświetlanie aktualnej godziny
showNumber(minuteL,LED0);
showNumber(minuteH,LED1);
showNumber(hourL,LED2);
showNumber(hourH,LED3);
/* Handle states */
switch (state) {
case 0:
/* Toggle LED state value */
ledState = (ledState == 0);
break;
case 1:
default:
break;
}
lastState = state;
/* Match this board's LED to other boards state */
Board_LED_Set(0, ledState);
}
}