/*********************************************************************//**
* @brief External interrupt 3 handler sub-routine
* @param[in] None
* @return None
**********************************************************************/
void EINT3_IRQHandler(void)
{
int j;
if(GPIO_GetIntStatus(0, 25, 1))
{
GPIO_ClearInt(0,(1<<25));
for (j= 0; j<8; j++)
{
#ifdef MCB_LPC_1768
/* Use MCB1700 board:
* blink LED P1.29 when EINT3 occur
*/
FIO_ByteSetValue(1, 3, INT3_LED);
delay();
FIO_ByteClearValue(1, 3, INT3_LED);
delay();
#elif defined(IAR_LPC_1768)
/* Use IAR LPC1768 KS board:
* blink LED2 P0.4 when EINT3 occur
*/
FIO_ByteSetValue(0, 0, INT3_LED);
delay();
FIO_ByteClearValue(0, 0, INT3_LED);
delay();
#endif
}
}
}
/*********************************************************************//**
* @brief c_entry: Main program body
* @param[in] None
* @return None
**********************************************************************/
void c_entry (void)
{
GPIO_Init();
FIO_ByteSetDir(LED1_PORT, LED1_BYTE, LED1_BIT, GPIO_DIRECTION_OUTPUT);
FIO_ByteSetDir(LED2_PORT, LED2_BYTE, LED2_BIT, GPIO_DIRECTION_OUTPUT);
// Turn off all LEDs
FIO_ByteClearValue(LED1_PORT, LED1_BYTE, LED1_BIT);
FIO_ByteClearValue(LED2_PORT, LED2_BYTE, LED2_BIT);
// Enable GPIO interrupt that connects with ADC potentiometer
GPIO_IntCmd(BRD_PIO_USED_INTR_PORT, BRD_PIO_USED_INTR_MASK, 1);
NVIC_SetPriority(GPIO_IRQn, 1);
NVIC_EnableIRQ(GPIO_IRQn);
while (1)
{
FIO_ByteSetValue(LED1_PORT, LED1_BYTE, LED1_BIT);
delay();
FIO_ByteClearValue(LED1_PORT, LED1_BYTE, LED1_BIT);
delay();
}
}
// Main Program
int main (void)
{
PINSEL_CFG_Type PinCfg;
// Set Vector table offset value
#if (__RAM_MODE__==1)
NVIC_SetVTOR(0x10000000);
#else
NVIC_SetVTOR(0x00000000);
#endif
//p1.31 , P1.29 and P1.28 are outputs
FIO_ByteSetDir(1, 3, LED1_MASK, 1);
FIO_ByteSetDir(2, 0, LED2_MASK, 1);
// Turn off all LEDs
FIO_ByteClearValue(1, 3, LED1_MASK);
FIO_ByteClearValue(2, 0, LED2_MASK);
//Initialize EXT registers
LPC_SC->EXTINT = 0x0;
LPC_SC->EXTMODE = 0x0;
LPC_SC->EXTPOLAR = 0x0;
/* edge sensitive */
LPC_SC->EXTMODE = 0xF;
/* falling-edge sensitive */
LPC_SC->EXTPOLAR = 0x0;
/* External Interrupt Flag cleared*/
LPC_SC->EXTINT = 0xF;
/* P2.10 as /EINT0 */
PinCfg.Funcnum = 1;
PinCfg.OpenDrain = 0;
PinCfg.Pinmode = 0;
PinCfg.Pinnum = 10;
PinCfg.Portnum = 2;
PINSEL_ConfigPin(&PinCfg);
// Enable GPIO interrupt P0.25/AD0.2
LPC_GPIOINT->IO0IntEnF = 0x02000000;
NVIC_SetPriorityGrouping(4); //sets PRIGROUP to 3:2 (XXX:YY)
NVIC_SetPriority(EINT0_IRQn, 0); //000:00 (bit 7:3) assign eint0 to group 0, sub-priority 0 within group 0
NVIC_SetPriority(EINT3_IRQn, 4); //001:00 (bit 7:3) assign GPIO int to group 1, sub-priority 0 within group 1
NVIC_EnableIRQ(EINT0_IRQn);
NVIC_EnableIRQ(EINT3_IRQn);
while (1)
{
FIO_ByteSetValue(1, 3, POLL_LED);
delay();
FIO_ByteClearValue(1, 3, POLL_LED);
delay();
}
}
/*********************************************************************//**
* @brief c_entry: Main program body
* @param[in] None
* @return int
**********************************************************************/
int c_entry (void)
{
/** Use: LEDs for polling when idle and when GPIO interrupt occurs
* If using MCB1700 board: Polling led: P1.28; Interrupt led: P1.29
* If using IAR KS board: Polling led: P1.25 (LED1); Interrupt led: P0.4 (LED2)
* If using MICROPENDOUS_X board: No polling led; Interrupt led: P1.18 (LED1)
*/
#ifdef MCB_LPC_1768
FIO_ByteSetDir(1, 3, POLL_LED, 1);
FIO_ByteSetDir(1, 3, INT3_LED, 1);
// Turn off all LEDs
FIO_ByteClearValue(1, 3, POLL_LED);
FIO_ByteClearValue(1, 3, INT3_LED);
#elif defined(IAR_LPC_1768)
FIO_ByteSetDir(1, 3, POLL_LED, 1);
FIO_ByteSetDir(0, 0, INT3_LED, 1);
// Turn off all LEDs
FIO_ByteSetValue(1, 3, POLL_LED);
FIO_ByteSetValue(0, 0, INT3_LED);
#elif defined(MICROPENDOUS_X)
//FIO_ByteSetDir(1, 2, POLL_LED, 1);
FIO_ByteSetDir(1, 2, INT3_LED, 1);
// Turn off all LEDs
//FIO_ByteSetValue(1, 2, POLL_LED);
FIO_ByteSetValue(1, 2, INT3_LED);
#endif
// Enable GPIO interrupt
/* Use MCB1700: test GPIO interrupt on P0.25->connects with ADC potentiometer
* Use IAR KS : test GPIO interrupt on P0.23->connects with BUT1 button
* Use MICROPENDOUS_X : test GPIO interrupt on P2.10->connects with BUT1 button
*/
#ifdef MICROPENDOUS_X
GPIO_IntCmd(2,(1<<10),1);
#else
GPIO_IntCmd(0,(1<<25),1);
#endif
NVIC_EnableIRQ(EINT3_IRQn);
while (1)
{
//polling led while idle
#ifdef MICROPENDOUS_X
#if 0
FIO_ByteSetValue(1, 3, POLL_LED);
delay();
FIO_ByteClearValue(1, 3, POLL_LED);
delay();
#endif
#else
FIO_ByteSetValue(1, 3, POLL_LED);
delay();
FIO_ByteClearValue(1, 3, POLL_LED);
delay();
#endif
}
}
/*********************************************************************//**
* @brief External interrupt 3 handler sub-routine
* @param[in] None
* @return None
**********************************************************************/
void EINT3_IRQHandler(void)
{
int j;
#ifdef MICROPENDOUS_X
if (GPIO_GetIntStatus(2,10,1))
{
GPIO_ClearInt(2,(1<<10));
#else
if(GPIO_GetIntStatus(0, 25, 1))
{
GPIO_ClearInt(0,(1<<25));
#endif
for (j= 0; j<8; j++)
{
#ifdef MCB_LPC_1768
/* Use MCB1700 board:
* blink LED P1.29 when EINT3 occur
*/
FIO_ByteSetValue(1, 3, INT3_LED);
delay();
FIO_ByteClearValue(1, 3, INT3_LED);
delay();
#elif defined(IAR_LPC_1768)
/* Use IAR LPC1768 KS board:
* blink LED2 P0.4 when EINT3 occur
*/
FIO_ByteSetValue(0, 0, INT3_LED);
delay();
FIO_ByteClearValue(0, 0, INT3_LED);
delay();
#elif defined(MICROPENDOUS_X)
/* Use MICROPENDOUS_X board:
* blink LED1 P1.18 when EINT3 occur
*/
FIO_ByteClearValue(1, 2, INT3_LED);
delay();
FIO_ByteSetValue(1, 2, INT3_LED);
delay();
#endif
}
}
}
/*-------------------------PRIVATE FUNCTIONS------------------------------*/
/*********************************************************************//**
* @brief Delay function
* @param[in] None
* @return None
**********************************************************************/
void delay (void) {
unsigned int i;
for (i = 0; i < 0x100000; i++) {
}
}
/**
* @brief External Interrupt 0 Handler
*/
void EINT0_IRQHandler(void)
{
int i;
LPC_SC->EXTINT |= 0x1; //clear the EINT0 flag
for (i= 0; i<10; i++)
{
FIO_ByteSetValue(1, 3, INT0_LED);
delay();
FIO_ByteClearValue(1, 3, INT0_LED);
delay();
}
}
/* Init parallel 16bit Databus to FPGA */
void io_init_fpga_bus(void)
{
uint32_t i=0;
PinCfg.Funcnum = 0; // GPIO
PinCfg.OpenDrain = 0;
PinCfg.Pinmode = 0;
PinCfg.Portnum = FPGA_BUS_DATA_PORT;
PinCfg.Pinnum = FPGA_BUS_DATA_PIN_LOW;
for(i=FPGA_BUS_DATA_PIN_LOW; i<=FPGA_BUS_DATA_PIN_HIGH; i++) {
PinCfg.Pinnum = i;
//printf("dbg: init fpga bus port %d pin %d\n", PinCfg.Portnum, PinCfg.Pinnum);
PINSEL_ConfigPin(&PinCfg);
}
FIO_ByteSetDir(FPGA_BUS_DATA_PORT, 2, 0xff, POUT);
FIO_ByteClearValue(FPGA_BUS_DATA_PORT, 2 , 0xff);
PinCfg.Funcnum = 0; // GPIO
PinCfg.OpenDrain = 0;
PinCfg.Pinmode = 0;
PinCfg.Portnum = FPGA_BUS_ADDR_PORT;
PinCfg.Pinnum = FPGA_BUS_ADDR_PIN_LOW;
for(i=FPGA_BUS_ADDR_PIN_LOW; i<=FPGA_BUS_ADDR_PIN_HIGH; i++) {
PinCfg.Pinnum = i;
//printf("dbg: init fpga bus port %d pin %d\n", PinCfg.Portnum, PinCfg.Pinnum);
PINSEL_ConfigPin(&PinCfg);
}
FIO_ByteSetDir(FPGA_BUS_ADDR_PORT, 0, 0xff, POUT);
FIO_ByteClearValue(FPGA_BUS_ADDR_PORT, 0 , 0xff);
fpga_bus_dataclock_low();
return;
}
/**
* @brief External Interrupt 3 Handler
*/
void EINT3_IRQHandler(void)
{
int j;
if (LPC_GPIOINT->IO0IntStatF == 0x02000000)
{
LPC_GPIOINT->IO0IntClr = 0x02000000;
for (j= 0; j<10; j++)
{
FIO_ByteSetValue(1, 3, INT3_LED);
delay();
FIO_ByteClearValue(1, 3, INT3_LED);
delay();
}
}
}
int c_entry(void)
{
// Init LED port
LED_Init();
/*
* Initialize debug via UART
*/
debug_frmwrk_init();
// print welcome screen
print_menu();
// Read back TimeOut flag to determine previous timeout reset
if (WDT_ReadTimeOutFlag()){
_DBG_(info1);
// Clear WDT TimeOut
WDT_ClrTimeOutFlag();
} else{
_DBG_(info2);
}
// Initialize WDT, IRC OSC, interrupt mode, timeout = 2000000 microsecond
WDT_Init(WDT_CLKSRC_IRC, WDT_MODE_RESET);
// Start watchdog with timeout given
WDT_Start(WDT_TIMEOUT);
// set timer 100 ms
Timer_Wait(100);
while (1){
// Wait for 100 millisecond
while ( !(TIM_GetIntStatus(LPC_TIM0,0)));
TIM_ClearIntPending(LPC_TIM0,0);
//turn on led
FIO_ByteSetValue(2, 0, LED_PIN);
// Wait for 100 millisecond
while ( !(TIM_GetIntStatus(LPC_TIM0,0)));
TIM_ClearIntPending(LPC_TIM0,0);
//turn off led
FIO_ByteClearValue(2, 0, LED_PIN);
}
return 0;
}
int _FIO_ByteClearValue(uint8_t * args)
{
uint8_t * arg_ptr;
uint8_t portNum;
uint8_t byteNum;
uint8_t bitValue;
if ((arg_ptr = (uint8_t *) strtok(NULL, " ")) == NULL) return 1;
portNum = (uint8_t) strtoul((char *) arg_ptr, NULL, 16);
if ((arg_ptr = (uint8_t *) strtok(NULL, " ")) == NULL) return 1;
byteNum = (uint8_t) strtoul((char *) arg_ptr, NULL, 16);
if ((arg_ptr = (uint8_t *) strtok(NULL, " ")) == NULL) return 1;
bitValue = (uint8_t) strtoul((char *) arg_ptr, NULL, 16);
FIO_ByteClearValue(portNum, byteNum, bitValue);
return 0;
}
/*********************************************************************//**
* @brief External interrupt 3 handler sub-routine
* @param[in] None
* @return None
**********************************************************************/
void GPIO_IRQHandler(void)
{
int j;
if(GPIO_GetIntStatus(BRD_PIO_USED_INTR_PORT, BRD_PIO_USED_INTR_PIN, 1))
{
GPIO_ClearInt(BRD_PIO_USED_INTR_PORT, BRD_PIO_USED_INTR_MASK);
for (j = 0; j < 10; j++)
{
FIO_ByteSetValue(LED2_PORT, LED2_BYTE, LED2_BIT);
delay();
FIO_ByteClearValue(LED2_PORT, LED2_BYTE, LED2_BIT);
delay();
}
}
}
void EINT3_IRQHandler(void)
{
if (GPIO_GetIntStatus(1, 10, 1))
{
GPIO_ClearInt(2,(1<<10));
toggle=~toggle;
#ifdef MCB_LPC_1768_ADC_BURST_MULTI
if(toggle)
{
ADC_ChannelCmd(LPC_ADC,_ADC_CHANNEL_3,ENABLE);
FIO_ByteSetValue(1, 3, POLL_LED);
}
else
{
ADC_ChannelCmd(LPC_ADC,_ADC_CHANNEL_3,DISABLE);
FIO_ByteClearValue(1, 3, POLL_LED);
}
#endif
}
}
/*********************************************************************//**
* @brief c_entry: Main ADC program body
* @param[in] None
* @return int
**********************************************************************/
int c_entry(void)
{
PINSEL_CFG_Type PinCfg;
#ifdef MCB_LPC_1768_ADC_BURST_MULTI
PINSEL_CFG_Type PinCfg1;
#endif
uint32_t tmp;
uint32_t adc_value;
/* Initialize debug via UART0
* – 115200bps
* – 8 data bit
* – No parity
* – 1 stop bit
* – No flow control
*/
debug_frmwrk_init();
// print welcome screen
print_menu();
/* Because the potentiometer on different boards (MCB & IAR) connect
* with different ADC channel, so we have to configure correct ADC channel
* on each board respectively.
* If you want to check other ADC channels, you have to wire this ADC pin directly
* to potentiometer pin (please see schematic doc for more reference)
*/
#ifdef MCB_LPC_1768
/*
* Init ADC pin connect
* AD0.2 on P0.25
*/
PinCfg.Funcnum = 1;
PinCfg.OpenDrain = 0;
PinCfg.Pinmode = 0;
PinCfg.Pinnum = 25;
PinCfg.Portnum = 0;
PINSEL_ConfigPin(&PinCfg);
#ifdef MCB_LPC_1768_ADC_BURST_MULTI
/*
* Init ADC pin connect
* AD0.3 on P0.26
*/
PinCfg1.Funcnum = 1;
PinCfg1.OpenDrain = 0;
PinCfg1.Pinmode = 0;
PinCfg1.Pinnum = 26;
PinCfg1.Portnum = 0;
PINSEL_ConfigPin(&PinCfg1);
#endif
#elif defined (IAR_LPC_1768)
/* select P1.31 as AD0.5 */
PinCfg.Funcnum = 3;
PinCfg.OpenDrain = 0;
PinCfg.Pinmode = 0;
PinCfg.Pinnum = 31;
PinCfg.Portnum = 1;
PINSEL_ConfigPin(&PinCfg);
#endif
/* Configuration for ADC:
* select: ADC channel 2 (if using MCB1700 board)
* ADC channel 5 (if using IAR-LPC1768 board)
* ADC conversion rate = 200KHz
*/
ADC_Init(LPC_ADC, 200000);
ADC_ChannelCmd(LPC_ADC,_ADC_CHANNEL,ENABLE);
#ifdef MCB_LPC_1768_ADC_BURST_MULTI
ADC_ChannelCmd(LPC_ADC,_ADC_CHANNEL_3,ENABLE);
#endif
#ifdef MCB_LPC17XX_ADC_INJECT_TEST
FIO_ByteSetDir(1, 3, POLL_LED, 1);
FIO_ByteClearValue(1, 3, POLL_LED);
// Enable GPIO interrupt P2.10
GPIO_IntCmd(2,(1<<10),1);
NVIC_EnableIRQ(EINT3_IRQn);
#endif
//Start burst conversion
ADC_BurstCmd(LPC_ADC,ENABLE);
while(1)
{
#ifdef MCB_LPC_1768
adc_value = ADC_ChannelGetData(LPC_ADC,ADC_CHANNEL_2);
_DBG("ADC value on channel 2: ");
#elif defined (IAR_LPC_1768)
adc_value = ADC_ChannelGetData(LPC_ADC,ADC_CHANNEL_5);
_DBG("ADC value on channel 5: ");
#endif
_DBD32(adc_value);
_DBG_("");
#ifdef MCB_LPC_1768_ADC_BURST_MULTI
adc_value = ADC_ChannelGetData(LPC_ADC,ADC_CHANNEL_3);
_DBG("ADC value on channel 3: ");
_DBD32(adc_value);
_DBG_("");
#endif
// Wait for a while
for(tmp = 0; tmp < 1500000; tmp++);
}
ADC_DeInit(LPC_ADC);
return (0);
}
static inline void io_fpga_register_setdata(uint8_t data)
{
FIO_ByteClearValue(FPGA_BUS_DATA_PORT, 2, 0xFF);
FIO_ByteSetValue(FPGA_BUS_DATA_PORT, 2, data);
}
static inline void io_fpga_register_setaddress(uint8_t addr)
{
FIO_ByteClearValue(FPGA_BUS_ADDR_PORT, 0, 0xFF);
FIO_ByteSetValue(FPGA_BUS_ADDR_PORT, 0, addr);
}