/* start the main program */
void main()
{
uint8_t value;
GPIO_PinDirection(SW1,INPUT); // Configure the switch pin as Input
GPIO_PinDirection(Buzzer,OUTPUT); // Configure the Buzzer pin as OUTPUT
while(1)
{
value = GPIO_PinRead(SW1); // Read the switch status
GPIO_PinWrite(Buzzer,!value); // ON/OFF theBuzzer as per switch status
}
}
int main (void)
{
SystemInit();
GPIO_PinDirection(LED1,OUTPUT); /* Configure the pins as Output to blink the Leds*/
GPIO_PinDirection(LED2,OUTPUT);
EINT_AttachInterrupt(EINT0,myExtIntrIsr_0,FALLING); /* myExtIntrIsr_0 will be called by EINT0_IRQHandler */
EINT_AttachInterrupt(EINT1,myExtIntrIsr_1,FALLING); /* myExtIntrIsr_1 will be called by EINT1_IRQHandler */
while(1)
{
//do nothing
}
}
int main()
{
uint8_t value;
SystemInit(); /* Clock and PLL configuration */
GPIO_PinFunction(MY_SWITCH,PINSEL_FUNC_0); /* Configure Pin for Gpio */
GPIO_PinDirection(MY_SWITCH,INPUT); /* Configure the switch pin as Input */
GPIO_PinFunction(MY_LED,PINSEL_FUNC_0); /* Configure Pin for Gpio */
GPIO_PinDirection(MY_LED,OUTPUT); /* Configure the Led pin as OUTPUT */
while(1)
{
value = GPIO_PinRead(MY_SWITCH); /* Read the switch status */
GPIO_PinWrite(MY_LED,value); /* ON/OFF the led as per switch status */
}
}
int main()
{
SystemInit();
SystemCoreClockUpdate();
GPIO_PinDirection(P2_0,OUTPUT);
GPIO_PinDirection(P2_1,OUTPUT);
GPIO_PinDirection(P2_2,OUTPUT);
GPIO_PinDirection(P2_3,OUTPUT);
GPIO_PinWrite(P2_0,1);
UsbSerial_Init(9600);
GPIO_PinWrite(P2_1,1);
while(1)
{
UsbSerial_TxString(" Welcome to ARM Serial Programming by ExploreEmbedded\n\r");
}
}
int main (void)
{
SystemInit();
GPIO_PinDirection(LED1,OUTPUT); /* Configure the pins as Output to blink the Leds*/
GPIO_PinDirection(LED2,OUTPUT);
TIMER_Init(0,100000); /* Configure timer0 to generate 100ms(100000us) delay*/
TIMER_Init(1,500000); /* Configure timer1 to generate 500ms(500000us) delay*/
TIMER_AttachInterrupt(0,myTimerIsr_0); /* myTimerIsr_0 will be called by TIMER0_IRQn */
TIMER_AttachInterrupt(1,myTimerIsr_1); /* myTimerIsr_1 will be called by TIMER1_IRQn */
TIMER_Start(0); /* Start the Timers */
TIMER_Start(1);
while(1)
{
//do nothing
}
}
/**************************************************************************************************
void LCD_SetUp( pin numbers of lcd)
***************************************************************************************************
* Function name: LCD_SetUp()
* I/P Arguments: uint8_t RS: Pin where RS is connected
uint8_t RW: Pin where RW is connected (P_NC if not connected)
uint8_t EN: Pin where EN is connected
uint8_t D0: Pin where D0 is connected (P_NC if not connected for 4-bit mode)
uint8_t D1: Pin where D1 is connected (P_NC if not connected for 4-bit mode)
uint8_t D2: Pin where D2 is connected (P_NC if not connected for 4-bit mode)
uint8_t D3: Pin where D3 is connected (P_NC if not connected for 4-bit mode)
uint8_t D4: Pin where D4 is connected
uint8_t D5: Pin where D5 is connected
uint8_t D6: Pin where D6 is connected
uint8_t D7: Pin where D7 is connected
* Return value : none
* description :This function is used to configure the controller pins for LCD operation.
Pass the pin numbers where the RS,RW,EN, D0-D7 are connected as parameters.
In case of four bit mode pass P_NC as parameter for D0-D3.
If RW is not used then pass P_NC as parameter for RS.
**************************************************************************************************/
void LCD_SetUp(uint8_t RS,
uint8_t RW,
uint8_t EN,
uint8_t D0,
uint8_t D1,
uint8_t D2,
uint8_t D3,
uint8_t D4,
uint8_t D5,
uint8_t D6,
uint8_t D7 )
{
/* Copy the PIN numbers where the LCD is connected */
LCDConfig.RS = RS;
LCDConfig.RW = RW;
LCDConfig.EN = EN;
LCDConfig.D0 = D0;
LCDConfig.D1 = D1;
LCDConfig.D2 = D2;
LCDConfig.D3 = D3;
LCDConfig.D4 = D4;
LCDConfig.D5 = D5;
LCDConfig.D6 = D6;
LCDConfig.D7 = D7;
if((D0 == P_NC) || (D1 == P_NC) || (D2 == P_NC) || (D3 == P_NC))
{
LCDConfig.v_LcdMode_U8 = 4; // Select 4-bit mode as D0-D3 are not used(P_NC)
}
else
{
LCDConfig.v_LcdMode_U8 = 8; // 8-bit mode configure D0-D3 as output.
GPIO_PinDirection(D0,OUTPUT);
GPIO_PinDirection(D1,OUTPUT);
GPIO_PinDirection(D2,OUTPUT);
GPIO_PinDirection(D3,OUTPUT);
}
/* Configure RS,RW,EN, D4-D7 as Output for both 4/8-bit mode.*/
GPIO_PinDirection(RS,OUTPUT);
GPIO_PinDirection(RW,OUTPUT);
GPIO_PinDirection(EN,OUTPUT);
GPIO_PinDirection(D4,OUTPUT);
GPIO_PinDirection(D5,OUTPUT);
GPIO_PinDirection(D6,OUTPUT);
GPIO_PinDirection(D7,OUTPUT);
}
