int main(void)
{
/* Halting WDT */
MAP_WDT_A_holdTimer();
/* Selecting P1.2 and P1.3 in UART mode */
MAP_GPIO_setAsPeripheralModuleFunctionInputPin(GPIO_PORT_P1,
GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3, GPIO_PRIMARY_MODULE_FUNCTION);
/* Setting DCO to 12MHz */
CS_setDCOCenteredFrequency(CS_DCO_FREQUENCY_12);
/* Configuring UART Module */
MAP_UART_initModule(EUSCI_A0_MODULE, &uartConfig);
/* Enable UART module */
MAP_UART_enableModule(EUSCI_A0_MODULE);
/* Enabling interrupts */
MAP_UART_enableInterrupt(EUSCI_A0_MODULE, EUSCI_A_UART_RECEIVE_INTERRUPT);
MAP_Interrupt_enableInterrupt(INT_EUSCIA0);
MAP_Interrupt_enableSleepOnIsrExit();
MAP_Interrupt_enableMaster();
while(1)
{
MAP_PCM_gotoLPM0();
}
}
int main(void)
{
/* Halting WDT */
MAP_WDT_A_holdTimer();
/* 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_setAsOutputPin(GPIO_PORT_P1, GPIO_PIN0);
MAP_GPIO_setOutputLowOnPin(GPIO_PORT_P1, GPIO_PIN0);
/* Setting DCO to 48MHz (upping Vcore) */
MAP_PCM_setCoreVoltageLevel(PCM_VCORE1);
CS_setDCOCenteredFrequency(CS_DCO_FREQUENCY_48);
/* Configuring UART Module */
MAP_UART_initModule(EUSCI_A0_MODULE, &uartConfig);
/* Enable UART module */
MAP_UART_enableModule(EUSCI_A0_MODULE);
/* Enabling interrupts */
MAP_UART_enableInterrupt(EUSCI_A0_MODULE, EUSCI_A_UART_RECEIVE_INTERRUPT);
MAP_Interrupt_enableInterrupt(INT_EUSCIA0);
MAP_Interrupt_enableSleepOnIsrExit();
while(1)
{
MAP_UART_transmitData(EUSCI_A0_MODULE, TXData);
MAP_Interrupt_enableSleepOnIsrExit();
MAP_PCM_gotoLPM0InterruptSafe();
}
}
int main(void)
{
/* Halting WDT */
MAP_WDT_A_holdTimer();
/* Selecting P1.2 and P1.3 in UART mode */
MAP_GPIO_setAsPeripheralModuleFunctionInputPin(GPIO_PORT_P1,
GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3, GPIO_PRIMARY_MODULE_FUNCTION);
/* Setting DCO to 12MHz */
CS_setDCOCenteredFrequency(CS_DCO_FREQUENCY_12);
/* Configuring UART Module */
MAP_UART_initModule(EUSCI_A0_MODULE, &uartConfig);
/* Enable UART module */
MAP_UART_enableModule(EUSCI_A0_MODULE);
MAP_Interrupt_enableMaster();
/* Initialize values to display */
char *s = "printf test";
char c = '!';
int i = -12345;
unsigned u = 4321;
long int l = -123456780;
long unsigned n = 1098765432;
unsigned x = 0xABCD;
while(1)
{
printf(EUSCI_A0_MODULE, "String %s\r\n", s);
printf(EUSCI_A0_MODULE, "Char %c\r\n", c);
printf(EUSCI_A0_MODULE, "Integer %i\r\n", i);
printf(EUSCI_A0_MODULE, "Unsigned %u\r\n", u);
printf(EUSCI_A0_MODULE, "Long %l\r\n", l);
printf(EUSCI_A0_MODULE, "uNsigned loNg %n\r\n", n);
printf(EUSCI_A0_MODULE, "heX %x\r\n", x);
}
}
/*
* See the serial2.h header file.
*/
xComPortHandle xSerialPortInitMinimal( unsigned long ulWantedBaud, unsigned long uxQueueLength )
{
/* Create the queue used to hold received characters. NOTE THE COMMENTS AT
THE TOP OF THIS FILE REGARDING THE USE OF QUEUES FOR THIS PURPSOE. */
xRxQueue = xQueueCreate( uxQueueLength, sizeof( char ) );
configASSERT( xRxQueue );
/* Use the library functions to initialise and enable the UART. */
MAP_UART_initModule( EUSCI_A0_MODULE, &xUARTConfig );
MAP_UART_enableModule( EUSCI_A0_MODULE );
MAP_UART_clearInterruptFlag( EUSCI_A0_MODULE, EUSCI_A_UART_RECEIVE_INTERRUPT | EUSCI_A_UART_TRANSMIT_INTERRUPT );
MAP_UART_enableInterrupt( EUSCI_A0_MODULE, EUSCI_A_UART_RECEIVE_INTERRUPT );
/* The interrupt handler uses the FreeRTOS API function so its priority must
be at or below the configured maximum system call interrupt priority.
configKERNEL_INTERRUPT_PRIORITY is the priority used by the RTOS tick and
(should) always be set to the minimum priority. */
MAP_Interrupt_setPriority( INT_EUSCIA0, configKERNEL_INTERRUPT_PRIORITY );
MAP_Interrupt_enableInterrupt( INT_EUSCIA0 );
/* Only one UART is supported so the handle is not used. */
return ( xComPortHandle ) 0;
}
/*
* ======== initHW ========
*
* Configures UART peripheral
*/
static void initHw(UARTMSP432_Object *object,
UARTMSP432_HWAttrs const *hwAttrs, uint32_t inputClkFreq)
{
int32_t baudrateIndex;
eUSCI_UART_Config uartConfig;
/*
* This will never return -1, constarints prevent unsupported performance
* levels
*/
baudrateIndex = findBaudDividerIndex(hwAttrs->baudrateLUT,
hwAttrs->numBaudrateEntries, object->baudRate, inputClkFreq);
uartConfig.selectClockSource = hwAttrs->clockSource;
uartConfig.clockPrescalar = hwAttrs->baudrateLUT[baudrateIndex].prescalar;
uartConfig.firstModReg = hwAttrs->baudrateLUT[baudrateIndex].hwRegUCBRFx;
uartConfig.secondModReg = hwAttrs->baudrateLUT[baudrateIndex].hwRegUCBRSx;
uartConfig.parity = parityTypes[object->parityType];
uartConfig.msborLsbFirst = hwAttrs->bitOrder;
uartConfig.numberofStopBits = stopBits[object->stopBits];
uartConfig.uartMode = EUSCI_A_UART_MODE;
uartConfig.overSampling = hwAttrs->baudrateLUT[baudrateIndex].sampling;
MAP_UART_initModule(hwAttrs->baseAddr, &uartConfig);
/* Enable UART and disable its interrupts. */
MAP_UART_enableInterrupt(hwAttrs->baseAddr,
EUSCI_A_UART_BREAKCHAR_INTERRUPT |
EUSCI_A_UART_RECEIVE_ERRONEOUSCHAR_INTERRUPT);
MAP_UART_disableInterrupt(hwAttrs->baseAddr, EUSCI_A_UART_TRANSMIT_INTERRUPT);
MAP_UART_enableModule(hwAttrs->baseAddr);
MAP_UART_enableInterrupt(hwAttrs->baseAddr, EUSCI_A_UART_RECEIVE_INTERRUPT);
DebugP_log3("UART:(%p) CPU freq: %d; UART baudRate to %d", hwAttrs->baseAddr,
inputClkFreq, object->baudRate);
}
