static void prvSetupHardware( void )
{
extern void FPU_enableModule( void );
/* The clocks are not configured here, but inside main_full() and
main_blinky() as the full demo uses a fast clock and the blinky demo uses
a slow clock. */
/* Stop the watchdog timer. */
MAP_WDT_A_holdTimer();
/* Ensure the FPU is enabled. */
FPU_enableModule();
/* Selecting P1.2 and P1.3 in UART mode and P1.0 as output (LED) */
MAP_GPIO_setAsPeripheralModuleFunctionInputPin( GPIO_PORT_P1, GPIO_PIN2 | GPIO_PIN3, GPIO_PRIMARY_MODULE_FUNCTION );
MAP_GPIO_setOutputLowOnPin( GPIO_PORT_P1, GPIO_PIN0 );
MAP_GPIO_setAsOutputPin( GPIO_PORT_P1, GPIO_PIN0 );
/* Enable S2 and LED2 */
MAP_GPIO_setOutputLowOnPin( GPIO_PORT_P2, GPIO_PIN0 );
MAP_GPIO_setAsOutputPin(GPIO_PORT_P2, GPIO_PIN0);
MAP_GPIO_setOutputLowOnPin( GPIO_PORT_P2, GPIO_PIN1 );
MAP_GPIO_setAsOutputPin(GPIO_PORT_P2, GPIO_PIN1);
MAP_GPIO_setOutputLowOnPin( GPIO_PORT_P2, GPIO_PIN2 );
MAP_GPIO_setAsOutputPin(GPIO_PORT_P2, GPIO_PIN2);
MAP_GPIO_setAsInputPinWithPullUpResistor(GPIO_PORT_P1, GPIO_PIN4);
MAP_GPIO_interruptEdgeSelect(GPIO_PORT_P1, GPIO_PIN4, GPIO_HIGH_TO_LOW_TRANSITION);
MAP_GPIO_clearInterruptFlag(GPIO_PORT_P1, GPIO_PIN4);
MAP_GPIO_enableInterrupt(GPIO_PORT_P1, GPIO_PIN4);
MAP_Interrupt_enableInterrupt(INT_PORT1);
}
void SW1_IRQHandler(void){
uint32_t status;
status = MAP_GPIO_getEnabledInterruptStatus(GPIO_PORT_P5);
_delay_cycles(3000000);
MAP_GPIO_clearInterruptFlag(GPIO_PORT_P5, status);
Semaphore_post(Button_Semaphore);
}
/*
* ======== WiFiCC3100_open ========
*/
WiFi_Handle WiFiCC3100_open(WiFi_Handle handle, unsigned int spiIndex,
WiFi_evntCallback evntCallback, WiFi_Params *params)
{
unsigned int key;
WiFiCC3100_Object *object = handle->object;
WiFiCC3100_HWAttrs const *hwAttrs = handle->hwAttrs;
union {
#if !defined(MSP430WARE)
Hwi_Params hwiParams;
#endif
Semaphore_Params semParams;
} paramsUnion;
key = Hwi_disable();
if (object->isOpen) {
Hwi_restore(key);
Log_warning0("WiFi Hwi already in use.");
return (NULL);
}
object->isOpen = true;
Hwi_restore(key);
/* Construct semaphores to block read/write transactions. */
Semaphore_Params_init(&(paramsUnion.semParams));
paramsUnion.semParams.mode = Semaphore_Mode_BINARY;
paramsUnion.semParams.instance->name = "WiFi.writeSemaphore";
Semaphore_construct(&(object->writeSemaphore), 0, &(paramsUnion.semParams));
paramsUnion.semParams.instance->name = "WiFi.readSemaphore";
Semaphore_construct(&(object->readSemaphore), 0, &(paramsUnion.semParams));
#if !defined(MSP430WARE)
Hwi_Params_init(&(paramsUnion.hwiParams));
paramsUnion.hwiParams.arg = (UArg) handle;
paramsUnion.hwiParams.enableInt = false;
/* Hwi_construct cannot fail, use NULL instead of an Error Block */
Hwi_construct(&(object->wifiHwi), hwAttrs->irqIntNum,
WiFiCC3100_hostIntHandler, &(paramsUnion.hwiParams), NULL);
#endif
#if defined(MSP430WARE) || defined(MSP432WARE)
MAP_GPIO_clearInterruptFlag(hwAttrs->irqPort, hwAttrs->irqPin);
MAP_GPIO_enableInterrupt(hwAttrs->irqPort, hwAttrs->irqPin);
#else
GPIOIntClear(hwAttrs->irqPort, hwAttrs->irqPin);
GPIOIntEnable(hwAttrs->irqPort, hwAttrs->irqPin);
#endif
/* Store SPI interface parameters */
object->spiIndex = spiIndex;
object->bitRate = params->bitRate;
return (handle);
}
/* GPIO ISR */
void gpio_isr(void)
{
uint32_t status;
status = MAP_GPIO_getEnabledInterruptStatus(GPIO_PORT_P6);
MAP_GPIO_clearInterruptFlag(GPIO_PORT_P6, status);
msprf24_get_irq_reason();
//Turn on RED LED
MAP_GPIO_toggleOutputOnPin(GPIO_PORT_P2, GPIO_PIN0);
}
/* GPIO ISR */
void PORT1_IRQHandler(void)
{
uint32_t status;
status = MAP_GPIO_getEnabledInterruptStatus(GPIO_PORT_P1);
MAP_GPIO_clearInterruptFlag(GPIO_PORT_P1, status);
/* Toggling the output on the LED */
if(status & GPIO_PIN4)
{
MAP_GPIO_toggleOutputOnPin(GPIO_PORT_P2, GPIO_PIN1);
MAP_GPIO_toggleOutputOnPin(GPIO_PORT_P5, GPIO_PIN0);
}
}
//-----------------------------------------------------------------------
// GPIO ISR
void gpio_isr(void)
{
status = MAP_GPIO_getEnabledInterruptStatus(GPIO_PORT_P6);
MAP_GPIO_clearInterruptFlag(GPIO_PORT_P6, status);
msprf24_get_irq_reason(); // this updates rf_irq
if (rf_irq & RF24_IRQ_TX)
{
//indicating there was a valid packet received
status = 1;
}
if (rf_irq & RF24_IRQ_TXFAILED)
{
//indicating there was an invalid packet received
status = 0;
}
msprf24_irq_clear(RF24_IRQ_MASK); // Clear any/all of them
}
/*
* ======== WiFiCC3100_hostIntHandler ========
* SimpleLink Host Driver interrupt handler. Calls previously registered
* functions to handle network processor.
*/
void WiFiCC3100_hostIntHandler(UArg arg)
{
WiFiCC3100_Object *object = wifiHandle->object;
WiFiCC3100_HWAttrs const *hwAttrs = wifiHandle->hwAttrs;
Assert_isTrue(object->wifiIntFxn != NULL, NULL);
Log_print0(Diags_USER2, "Entering WiFi Hwi handler.");
#if defined(MSP430WARE) || defined(MSP432WARE)
MAP_GPIO_clearInterruptFlag(hwAttrs->irqPort, hwAttrs->irqPin);
#else
GPIOIntClear(hwAttrs->irqPort, hwAttrs->irqPin);
#endif
(*object->wifiIntFxn)();
Log_print0(Diags_USER2, "Exiting WiFi Hwi handler.");
}
//-----------------------------------------------------------------------
int RF_Init(void)
{
int err = 0;
//Setting RGB LED as output
MAP_GPIO_setAsOutputPin(GPIO_PORT_P2, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2);
MAP_GPIO_setAsOutputPin(GPIO_PORT_P1, GPIO_PIN0);
GPIO_setOutputLowOnPin(GPIO_PORT_P2, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2);
GPIO_setOutputLowOnPin(GPIO_PORT_P1, GPIO_PIN0);
//Set P6.1 to be the pin interupt
MAP_GPIO_setAsInputPin(GPIO_PORT_P6, GPIO_PIN1);
MAP_GPIO_clearInterruptFlag(GPIO_PORT_P6, GPIO_PIN1);
MAP_GPIO_enableInterrupt(GPIO_PORT_P6, GPIO_PIN1);
//Enable the gpio interupt
MAP_Interrupt_enableInterrupt(INT_PORT6);
MAP_Interrupt_enableMaster();
/* Initial values for nRF24L01+ library config variables */
rf_crc = RF24_EN_CRC | RF24_CRCO; // CRC enabled, 16-bit
rf_addr_width = (uint8_t)PACKET_SIZE;
rf_speed_power = RF24_SPEED_MIN | RF24_POWER_MAX;
rf_channel = 120;
msprf24_init(); // All RX pipes closed by default
msprf24_set_pipe_packetsize(0, (uint8_t)PACKET_SIZE);
msprf24_open_pipe(0, 1); // Open pipe#0 with Enhanced ShockBurst enabled for receiving Auto-ACKs
// Transmit to 'rad01' (0x72 0x61 0x64 0x30 0x31)
msprf24_standby();
user = msprf24_current_state();
memcpy(addr, "\xDE\xAD\xBE\xEF\x01", 5);
// addr[0] = 0xDE; addr[1] = 0xAD; addr[2] = 0xBE; addr[3] = 0xEF; addr[4] = 0x00;
w_tx_addr(addr);
w_rx_addr(0, addr); // Pipe 0 receives auto-ack's, autoacks are sent back to the TX addr so the PTX node
// needs to listen to the TX addr on pipe#0 to receive them.
msprf24_activate_rx();
return err;
}
//------------------------------------------------------------------------------
int InitFunction(void)
{
int err = NONE;
MAP_WDT_A_holdTimer();
/* Configuring P6.7 as an input. P1.0 as output and enabling interrupts */
// MAP_GPIO_setAsInputPinWithPullUpResistor(GPIO_PORT_P1, GPIO_PIN1);
//Setting RGB LED as output
MAP_GPIO_setAsOutputPin(GPIO_PORT_P2, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2);
//Set P6.1 to be the pin interupt
MAP_GPIO_setAsInputPinWithPullUpResistor(GPIO_PORT_P6, GPIO_PIN1);
MAP_GPIO_clearInterruptFlag(GPIO_PORT_P6, GPIO_PIN1);
MAP_GPIO_enableInterrupt(GPIO_PORT_P6, GPIO_PIN1);
MAP_Interrupt_enableInterrupt(INT_PORT6);
MAP_Interrupt_enableMaster();
return err;
}
//------------------------------------------------------------------------------
// GPIO ISR
void gpio_isr(void)
{
uint32_t status;
status = MAP_GPIO_getEnabledInterruptStatus(GPIO_PORT_P6);
MAP_GPIO_clearInterruptFlag(GPIO_PORT_P6, status);
msprf24_get_irq_reason(); // this updates rf_irq
if (rf_irq & RF24_IRQ_TX)
{
status = 1;
GPIO_setOutputLowOnPin(GPIO_PORT_P2, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2);
GPIO_setOutputHighOnPin(GPIO_PORT_P2, GPIO_PIN1);
}
if (rf_irq & RF24_IRQ_TXFAILED)
{
status = 0;
GPIO_setOutputLowOnPin(GPIO_PORT_P2, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2);
GPIO_setOutputHighOnPin(GPIO_PORT_P2, GPIO_PIN0);
}
msprf24_irq_clear(RF24_IRQ_MASK); // Clear any/all of them
}