mongoose/examples/MSP432/ccs/MSP432_MG_hello/MSP_EXP432P401R.c

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/* clang-format off */
/*
* Copyright (c) 2015-2016, Texas Instruments Incorporated
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* ======== MSP_EXP432P401R.c ========
* This file is responsible for setting up the board specific items for the
* MSP_EXP432P401R board.
*/
#include <stdbool.h>
#include <ti/drivers/ports/DebugP.h>
#include <ti/drivers/ports/HwiP.h>
#include <ti/drivers/Power.h>
#include <ti/drivers/power/PowerMSP432.h>
#include <msp.h>
#include <rom.h>
#include <rom_map.h>
#include <dma.h>
#include <gpio.h>
#include <i2c.h>
#include <pmap.h>
#include <spi.h>
#include <timer_a.h>
#include <uart.h>
#include <wdt_a.h>
#include <interrupt.h>
#include "MSP_EXP432P401R.h"
/*
* =============================== DMA ===============================
*/
#if defined(__TI_COMPILER_VERSION__)
#pragma DATA_ALIGN(dmaControlTable, 256)
#elif defined(__IAR_SYSTEMS_ICC__)
#pragma data_alignment=256
#elif defined(__GNUC__)
__attribute__ ((aligned (256)))
#endif
static DMA_ControlTable dmaControlTable[8];
static bool dmaInitialized = false;
/*
* ======== dmaErrorHwi ========
*/
static void dmaErrorHwi(uintptr_t arg)
{
DebugP_log1("DMA error code: %d\n", MAP_DMA_getErrorStatus());
MAP_DMA_clearErrorStatus();
DebugP_log0("DMA error!!\n");
while(1);
}
/*
* ======== MSP_EXP432P401R_initDMA ========
*/
void MSP_EXP432P401R_initDMA(void)
{
HwiP_Params hwiParams;
HwiP_Handle dmaErrorHwiHandle;
if (!dmaInitialized) {
HwiP_Params_init(&hwiParams);
dmaErrorHwiHandle = HwiP_create(INT_DMA_ERR, dmaErrorHwi, &hwiParams);
if (dmaErrorHwiHandle == NULL) {
DebugP_log0("Failed to create DMA error Hwi!!\n");
while (1);
}
MAP_DMA_enableModule();
MAP_DMA_setControlBase(dmaControlTable);
dmaInitialized = true;
}
}
/*
* ======== MSP_EXP432P401R_initGeneral ========
*/
void MSP_EXP432P401R_initGeneral(void)
{
Power_init();
}
/*
* =============================== GPIO ===============================
*/
/* Place into subsections to allow the TI linker to remove items properly */
#if defined(__TI_COMPILER_VERSION__)
#pragma DATA_SECTION(GPIOMSP432_config, ".const:GPIOMSP432_config")
#endif
#include <ti/drivers/GPIO.h>
#include <ti/drivers/gpio/GPIOMSP432.h>
/*
* Array of Pin configurations
* NOTE: The order of the pin configurations must coincide with what was
* defined in MSP_EXP432P401R.h
* NOTE: Pins not used for interrupts should be placed at the end of the
* array. Callback entries can be omitted from callbacks array to
* reduce memory usage.
*/
GPIO_PinConfig gpioPinConfigs[] = {
/* Input pins */
/* MSP_EXP432P401R_S1 */
GPIOMSP432_P1_1 | GPIO_CFG_IN_PU | GPIO_CFG_IN_INT_RISING,
/* MSP_EXP432P401R_S2 */
GPIOMSP432_P1_4 | GPIO_CFG_IN_PU | GPIO_CFG_IN_INT_RISING,
/* Output pins */
/* MSP_EXP432P401R_LED1 */
GPIOMSP432_P1_0 | GPIO_CFG_OUT_STD | GPIO_CFG_OUT_STR_HIGH | GPIO_CFG_OUT_LOW,
/* MSP_EXP432P401R_LED_RED */
GPIOMSP432_P2_0 | GPIO_CFG_OUT_STD | GPIO_CFG_OUT_STR_HIGH | GPIO_CFG_OUT_LOW,
/*
* MSP_EXP432P401R_LED_GREEN & MSP_EXP432P401R_LED_BLUE are used for
* PWM examples. Uncomment the following lines if you would like to control
* the LEDs with the GPIO driver.
*/
/* MSP_EXP432P401R_LED_GREEN */
//GPIOMSP432_P2_1 | GPIO_CFG_OUT_STD | GPIO_CFG_OUT_STR_HIGH | GPIO_CFG_OUT_LOW,
/* MSP_EXP432P401R_LED_BLUE */
//GPIOMSP432_P2_2 | GPIO_CFG_OUT_STD | GPIO_CFG_OUT_STR_HIGH | GPIO_CFG_OUT_LOW
};
/*
* Array of callback function pointers
* NOTE: The order of the pin configurations must coincide with what was
* defined in MSP_EXP432P401R.h
* NOTE: Pins not used for interrupts can be omitted from callbacks array to
* reduce memory usage (if placed at end of gpioPinConfigs array).
*/
GPIO_CallbackFxn gpioCallbackFunctions[] = {
/* MSP_EXP432P401R_S1 */
NULL,
/* MSP_EXP432P401R_S2 */
NULL
};
const GPIOMSP432_Config GPIOMSP432_config = {
.pinConfigs = (GPIO_PinConfig *)gpioPinConfigs,
.callbacks = (GPIO_CallbackFxn *)gpioCallbackFunctions,
.numberOfPinConfigs = sizeof(gpioPinConfigs)/sizeof(GPIO_PinConfig),
.numberOfCallbacks = sizeof(gpioCallbackFunctions)/sizeof(GPIO_CallbackFxn),
.intPriority = (~0)
};
/*
* ======== MSP_EXP432P401R_initGPIO ========
*/
void MSP_EXP432P401R_initGPIO(void)
{
/* Initialize peripheral and pins */
GPIO_init();
}
/*
* =============================== I2C ===============================
*/
/* Place into subsections to allow the TI linker to remove items properly */
#if defined(__TI_COMPILER_VERSION__)
#pragma DATA_SECTION(I2C_config, ".const:I2C_config")
#pragma DATA_SECTION(i2cMSP432HWAttrs, ".const:i2cMSP432HWAttrs")
#endif
#include <ti/drivers/I2C.h>
#include <ti/drivers/i2c/I2CMSP432.h>
I2CMSP432_Object i2cMSP432Objects[MSP_EXP432P401R_I2CCOUNT];
const I2CMSP432_HWAttrs i2cMSP432HWAttrs[MSP_EXP432P401R_I2CCOUNT] = {
{
.baseAddr = EUSCI_B0_BASE,
.intNum = INT_EUSCIB0,
.intPriority = (~0),
.clockSource = EUSCI_B_I2C_CLOCKSOURCE_SMCLK
}
};
const I2C_Config I2C_config[] = {
{
.fxnTablePtr = &I2CMSP432_fxnTable,
.object = &i2cMSP432Objects[0],
.hwAttrs = &i2cMSP432HWAttrs[0]
},
{NULL, NULL, NULL}
};
/*
* ======== MSP_EXP432P401R_initI2C ========
*/
void MSP_EXP432P401R_initI2C(void)
{
/*
* NOTE: TI-RTOS examples configure EUSCIB0 as either SPI or I2C. Thus,
* a conflict occurs when the I2C & SPI drivers are used simultaneously in
* an application. Modify the pin mux settings in this file and resolve the
* conflict before running your the application.
*/
/* Configure Pins 1.6 & 1.7 as SDA & SCL, respectively. */
MAP_GPIO_setAsPeripheralModuleFunctionInputPin(GPIO_PORT_P1,
GPIO_PIN6 | GPIO_PIN7, GPIO_PRIMARY_MODULE_FUNCTION);
/* Initialize the I2C driver */
I2C_init();
}
/*
* =============================== Power ===============================
*/
const PowerMSP432_Config PowerMSP432_config = {
.policyInitFxn = &PowerMSP432_initPolicy,
.policyFxn = &PowerMSP432_sleepPolicy,
.initialPerfLevel = 2,
.enablePolicy = false,
.enablePerf = true
};
/*
* =============================== PWM ===============================
*/
/* Place into subsections to allow the TI linker to remove items properly */
#if defined(__TI_COMPILER_VERSION__)
#pragma DATA_SECTION(PWM_config, ".const:PWM_config")
#pragma DATA_SECTION(pwmTimerMSP432HWAttrs, ".const:pwmTimerMSP432HWAttrs")
#endif
#include <ti/drivers/PWM.h>
#include <ti/drivers/pwm/PWMTimerMSP432.h>
PWMTimerMSP432_Object pwmTimerMSP432Objects[MSP_EXP432P401R_PWMCOUNT];
const PWMTimerMSP432_HWAttrs pwmTimerMSP432HWAttrs[MSP_EXP432P401R_PWMCOUNT] = {
{
.baseAddr = TIMER_A1_BASE,
.compareRegister = TIMER_A_CAPTURECOMPARE_REGISTER_1
},
{
.baseAddr = TIMER_A1_BASE,
.compareRegister = TIMER_A_CAPTURECOMPARE_REGISTER_2
}
};
const PWM_Config PWM_config[] = {
{
.fxnTablePtr = &PWMTimerMSP432_fxnTable,
.object = &pwmTimerMSP432Objects[0],
.hwAttrs = &pwmTimerMSP432HWAttrs[0]
},
{
.fxnTablePtr = &PWMTimerMSP432_fxnTable,
.object = &pwmTimerMSP432Objects[1],
.hwAttrs = &pwmTimerMSP432HWAttrs[1]
},
{NULL, NULL, NULL}
};
/*
* ======== MSP_EXP432P401R_initPWM ========
*/
void MSP_EXP432P401R_initPWM(void)
{
/* Use Port Map on Port2 get Timer outputs on pins with LEDs (2.1, 2.2) */
const uint8_t portMap [] = {
PM_NONE, PM_TA1CCR1A, PM_TA1CCR2A, PM_NONE,
PM_NONE, PM_NONE, PM_NONE, PM_NONE
};
/* Mapping capture compare registers to Port 2 */
MAP_PMAP_configurePorts((const uint8_t *) portMap, PMAP_P2MAP, 1,
PMAP_DISABLE_RECONFIGURATION);
/* Enable PWM output on GPIO pins */
MAP_GPIO_setAsPeripheralModuleFunctionOutputPin(GPIO_PORT_P2,
GPIO_PIN1 | GPIO_PIN2, GPIO_PRIMARY_MODULE_FUNCTION);
PWM_init();
}
/*
* =============================== SDSPI ===============================
*/
/* Place into subsections to allow the TI linker to remove items properly */
#if defined(__TI_COMPILER_VERSION__)
#pragma DATA_SECTION(SDSPI_config, ".const:SDSPI_config")
#pragma DATA_SECTION(sdspiMSP432HWAttrs, ".const:sdspiMSP432HWAttrs")
#endif
#include <ti/drivers/SDSPI.h>
#include <ti/drivers/sdspi/SDSPIMSP432.h>
SDSPIMSP432_Object sdspiMSP432Objects[MSP_EXP432P401R_SDSPICOUNT];
const SDSPIMSP432_HWAttrs sdspiMSP432HWAttrs[MSP_EXP432P401R_SDSPICOUNT] = {
{
.baseAddr = EUSCI_B0_BASE,
.clockSource = EUSCI_B_SPI_CLOCKSOURCE_SMCLK,
/* CLK, MOSI & MISO ports & pins */
.portSCK = GPIO_PORT_P1,
.pinSCK = GPIO_PIN5,
.sckMode = GPIO_PRIMARY_MODULE_FUNCTION,
.portMISO = GPIO_PORT_P1,
.pinMISO = GPIO_PIN7,
.misoMode = GPIO_PRIMARY_MODULE_FUNCTION,
.portMOSI = GPIO_PORT_P1,
.pinMOSI = GPIO_PIN6,
.mosiMode = GPIO_PRIMARY_MODULE_FUNCTION,
/* Chip select port & pin */
.portCS = GPIO_PORT_P4,
.pinCS = GPIO_PIN6
}
};
const SDSPI_Config SDSPI_config[] = {
{
.fxnTablePtr = &SDSPIMSP432_fxnTable,
.object = &sdspiMSP432Objects[0],
.hwAttrs = &sdspiMSP432HWAttrs[0]
},
{NULL, NULL, NULL}
};
/*
* ======== MSP_EXP432P401R_initSDSPI ========
*/
void MSP_EXP432P401R_initSDSPI(void)
{
SDSPI_init();
}
/*
* =============================== SPI ===============================
*/
/* Place into subsections to allow the TI linker to remove items properly */
#if defined(__TI_COMPILER_VERSION__)
#pragma DATA_SECTION(SPI_config, ".const:SPI_config")
#pragma DATA_SECTION(spiMSP432DMAHWAttrs, ".const:spiMSP432DMAHWAttrs")
#endif
#include <ti/drivers/SPI.h>
#include <ti/drivers/spi/SPIMSP432DMA.h>
SPIMSP432DMA_Object spiMSP432DMAObjects[MSP_EXP432P401R_SPICOUNT];
const SPIMSP432DMA_HWAttrs spiMSP432DMAHWAttrs[MSP_EXP432P401R_SPICOUNT] = {
{
.baseAddr = EUSCI_B0_BASE,
.bitOrder = EUSCI_B_SPI_MSB_FIRST,
.clockSource = EUSCI_B_SPI_CLOCKSOURCE_SMCLK,
.defaultTxBufValue = 0,
.dmaIntNum = INT_DMA_INT1,
.intPriority = (~0),
.rxDMAChannelIndex = DMA_CH1_EUSCIB0RX0,
.txDMAChannelIndex = DMA_CH0_EUSCIB0TX0
},
{
.baseAddr = EUSCI_B2_BASE,
.bitOrder = EUSCI_B_SPI_MSB_FIRST,
.clockSource = EUSCI_B_SPI_CLOCKSOURCE_SMCLK,
.defaultTxBufValue = 0,
.dmaIntNum = INT_DMA_INT2,
.intPriority = (~0),
.rxDMAChannelIndex = DMA_CH5_EUSCIB2RX0,
.txDMAChannelIndex = DMA_CH4_EUSCIB2TX0
}
};
const SPI_Config SPI_config[] = {
{
.fxnTablePtr = &SPIMSP432DMA_fxnTable,
.object = &spiMSP432DMAObjects[0],
.hwAttrs = &spiMSP432DMAHWAttrs[0]
},
{
.fxnTablePtr = &SPIMSP432DMA_fxnTable,
.object = &spiMSP432DMAObjects[1],
.hwAttrs = &spiMSP432DMAHWAttrs[1]
},
{NULL, NULL, NULL},
};
/*
* ======== MSP_EXP432P401R_initSPI ========
*/
void MSP_EXP432P401R_initSPI(void)
{
/*
* NOTE: TI-RTOS examples configure EUSCIB0 as either SPI or I2C. Thus,
* a conflict occurs when the I2C & SPI drivers are used simultaneously in
* an application. Modify the pin mux settings in this file and resolve the
* conflict before running your the application.
*/
/* Configure CLK, MOSI & MISO for SPI0 (EUSCI_B0) */
MAP_GPIO_setAsPeripheralModuleFunctionOutputPin(GPIO_PORT_P1,
GPIO_PIN5 | GPIO_PIN6, GPIO_PRIMARY_MODULE_FUNCTION);
MAP_GPIO_setAsPeripheralModuleFunctionInputPin(GPIO_PORT_P1, GPIO_PIN7,
GPIO_PRIMARY_MODULE_FUNCTION);
/* Configure CLK, MOSI & MISO for SPI1 (EUSCI_B2) */
MAP_GPIO_setAsPeripheralModuleFunctionOutputPin(GPIO_PORT_P3,
GPIO_PIN5 | GPIO_PIN6, GPIO_PRIMARY_MODULE_FUNCTION);
MAP_GPIO_setAsPeripheralModuleFunctionInputPin(GPIO_PORT_P3, GPIO_PIN7,
GPIO_PRIMARY_MODULE_FUNCTION);
MSP_EXP432P401R_initDMA();
SPI_init();
}
/*
* =============================== UART ===============================
*/
/* Place into subsections to allow the TI linker to remove items properly */
#if defined(__TI_COMPILER_VERSION__)
#pragma DATA_SECTION(UART_config, ".const:UART_config")
#pragma DATA_SECTION(uartMSP432HWAttrs, ".const:uartMSP432HWAttrs")
#endif
#include <ti/drivers/UART.h>
#include <ti/drivers/uart/UARTMSP432.h>
UARTMSP432_Object uartMSP432Objects[MSP_EXP432P401R_UARTCOUNT];
unsigned char uartMSP432RingBuffer[MSP_EXP432P401R_UARTCOUNT][32];
/*
* The baudrate dividers were determined by using the MSP430 baudrate
* calculator
* http://software-dl.ti.com/msp430/msp430_public_sw/mcu/msp430/MSP430BaudRateConverter/index.html
*/
const UARTMSP432_BaudrateConfig uartMSP432Baudrates[] = {
/* {baudrate, input clock, prescalar, UCBRFx, UCBRSx, oversampling} */
{
.outputBaudrate = 115200,
.inputClockFreq = 12000000,
.prescalar = 6,
.hwRegUCBRFx = 8,
.hwRegUCBRSx = 32,
.oversampling = 1
},
{115200, 6000000, 3, 4, 2, 1},
{115200, 3000000, 1, 10, 0, 1},
{9600, 12000000, 78, 2, 0, 1},
{9600, 6000000, 39, 1, 0, 1},
{9600, 3000000, 19, 8, 85, 1},
{9600, 32768, 3, 0, 146, 0}
};
const UARTMSP432_HWAttrs uartMSP432HWAttrs[MSP_EXP432P401R_UARTCOUNT] = {
{
.baseAddr = EUSCI_A0_BASE,
.intNum = INT_EUSCIA0,
.intPriority = (~0),
.clockSource = EUSCI_A_UART_CLOCKSOURCE_SMCLK,
.bitOrder = EUSCI_A_UART_LSB_FIRST,
.numBaudrateEntries = sizeof(uartMSP432Baudrates) /
sizeof(UARTMSP432_BaudrateConfig),
.baudrateLUT = uartMSP432Baudrates,
.ringBufPtr = uartMSP432RingBuffer[0],
.ringBufSize = sizeof(uartMSP432RingBuffer[0])
},
{
.baseAddr = EUSCI_A2_BASE,
.intNum = INT_EUSCIA2,
.intPriority = (~0),
.clockSource = EUSCI_A_UART_CLOCKSOURCE_SMCLK,
.bitOrder = EUSCI_A_UART_LSB_FIRST,
.numBaudrateEntries = sizeof(uartMSP432Baudrates) /
sizeof(UARTMSP432_BaudrateConfig),
.baudrateLUT = uartMSP432Baudrates,
.ringBufPtr = uartMSP432RingBuffer[1],
.ringBufSize = sizeof(uartMSP432RingBuffer[1])
}
};
const UART_Config UART_config[] = {
{
.fxnTablePtr = &UARTMSP432_fxnTable,
.object = &uartMSP432Objects[0],
.hwAttrs = &uartMSP432HWAttrs[0]
},
{
.fxnTablePtr = &UARTMSP432_fxnTable,
.object = &uartMSP432Objects[1],
.hwAttrs = &uartMSP432HWAttrs[1]
},
{NULL, NULL, NULL}
};
/*
* ======== MSP_EXP432P401R_initUART ========
*/
void MSP_EXP432P401R_initUART(void)
{
/* Set P1.2 & P1.3 in UART mode */
MAP_GPIO_setAsPeripheralModuleFunctionInputPin(GPIO_PORT_P1,
GPIO_PIN2 | GPIO_PIN3, GPIO_PRIMARY_MODULE_FUNCTION);
/* Set P3.2 & P3.3 in UART mode */
MAP_GPIO_setAsPeripheralModuleFunctionInputPin(GPIO_PORT_P3,
GPIO_PIN2 | GPIO_PIN3, GPIO_PRIMARY_MODULE_FUNCTION);
/* Initialize the UART driver */
UART_init();
}
/*
* =============================== Watchdog ===============================
*/
/* Place into subsections to allow the TI linker to remove items properly */
#if defined(__TI_COMPILER_VERSION__)
#pragma DATA_SECTION(Watchdog_config, ".const:Watchdog_config")
#pragma DATA_SECTION(watchdogMSP432HWAttrs, ".const:watchdogMSP432HWAttrs")
#endif
#include <ti/drivers/Watchdog.h>
#include <ti/drivers/watchdog/WatchdogMSP432.h>
WatchdogMSP432_Object watchdogMSP432Objects[MSP_EXP432P401R_WATCHDOGCOUNT];
const WatchdogMSP432_HWAttrs
watchdogMSP432HWAttrs[MSP_EXP432P401R_WATCHDOGCOUNT] = {
{
.baseAddr = WDT_A_BASE,
.intNum = INT_WDT_A,
.intPriority = (~0),
.clockSource = WDT_A_CLOCKSOURCE_SMCLK,
.clockDivider = WDT_A_CLOCKDIVIDER_8192K
},
};
const Watchdog_Config Watchdog_config[] = {
{
.fxnTablePtr = &WatchdogMSP432_fxnTable,
.object = &watchdogMSP432Objects[0],
.hwAttrs = &watchdogMSP432HWAttrs[0]
},
{NULL, NULL, NULL}
};
/*
* ======== MSP_EXP432P401R_initWatchdog ========
*/
void MSP_EXP432P401R_initWatchdog(void)
{
/* Initialize the Watchdog driver */
Watchdog_init();
}
/*
* =============================== WiFi ===============================
*/
/* Place into subsections to allow the TI linker to remove items properly */
#if defined(__TI_COMPILER_VERSION__)
#pragma DATA_SECTION(WiFi_config, ".const:WiFi_config")
#pragma DATA_SECTION(wiFiCC3100HWAttrs, ".const:wiFiCC3100HWAttrs")
#endif
#include <ti/drivers/WiFi.h>
#include <ti/drivers/wifi/WiFiCC3100.h>
WiFiCC3100_Object wiFiCC3100Objects[MSP_EXP432P401R_WIFICOUNT];
const WiFiCC3100_HWAttrs wiFiCC3100HWAttrs[MSP_EXP432P401R_WIFICOUNT] = {
{
.irqPort = GPIO_PORT_P2,
.irqPin = GPIO_PIN5,
.irqIntNum = INT_PORT2,
.csPort = GPIO_PORT_P3,
.csPin = GPIO_PIN0,
.enPort = GPIO_PORT_P4,
.enPin = GPIO_PIN1
}
};
const WiFi_Config WiFi_config[] = {
{
.fxnTablePtr = &WiFiCC3100_fxnTable,
.object = &wiFiCC3100Objects[0],
.hwAttrs = &wiFiCC3100HWAttrs[0]
},
{NULL, NULL, NULL},
};
/*
* ======== MSP_EXP432P401R_initWiFi ========
*/
void MSP_EXP432P401R_initWiFi(void)
{
/* Configure EN & CS pins to disable CC3100 */
MAP_GPIO_setAsOutputPin(GPIO_PORT_P3, GPIO_PIN0);
MAP_GPIO_setAsOutputPin(GPIO_PORT_P4, GPIO_PIN1);
MAP_GPIO_setOutputHighOnPin(GPIO_PORT_P3, GPIO_PIN0);
MAP_GPIO_setOutputLowOnPin(GPIO_PORT_P4, GPIO_PIN1);
/* Configure CLK, MOSI & MISO for SPI0 (EUSCI_B0) */
MAP_GPIO_setAsPeripheralModuleFunctionOutputPin(GPIO_PORT_P1,
GPIO_PIN5 | GPIO_PIN6, GPIO_PRIMARY_MODULE_FUNCTION);
MAP_GPIO_setAsPeripheralModuleFunctionInputPin(GPIO_PORT_P1, GPIO_PIN7,
GPIO_PRIMARY_MODULE_FUNCTION);
/* Configure IRQ pin */
MAP_GPIO_setAsInputPinWithPullDownResistor(GPIO_PORT_P2, GPIO_PIN5);
MAP_GPIO_interruptEdgeSelect(GPIO_PORT_P2, GPIO_PIN5,
GPIO_LOW_TO_HIGH_TRANSITION);
/* Initialize SPI and WiFi drivers */
MSP_EXP432P401R_initDMA();
SPI_init();
WiFi_init();
}