void A110x2500SpiWrite(unsigned char address,
const unsigned char *buffer,
unsigned char count)
{
digitalWrite(RF_SPI_CSN,LOW);
// Look for CHIP_RDYn from radio.
pinMode(RF_SPI_MISO, INPUT);
while (digitalRead(RF_SPI_MISO));
MAP_PinTypeSPI(PIN_06, PIN_MODE_7);
// Write the address/command byte.
SPI.transfer(address);
// Write dummy byte(s) and read response(s).
for (unsigned char i = 0; i < count; i++)
{
SPI.transfer(buffer[i]);
}
// Note: It is assumed that the Energia SPI driver waits until the USCIB0
// peripheral is done being busy before returning to the caller.
digitalWrite(RF_SPI_CSN,HIGH);
}
/*
* ======== Board_openSPI ========
*/
SPI_Handle Board_openSPI(UInt spiPortIndex, SPI_Params *spiParams)
{
/* Initialize the SPI driver */
/* By design, SPI_init() is idempotent */
SPI_init();
/* initialize the pins associated with the respective UART */
switch(spiPortIndex) {
/*
* 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.
*/
case 0:
/*
* Configure LaunchPad P1.7 as a SPI pin: SPI CLK
* device pin: 5 (GSPI_CLK)
* Wiring id : 7
*/
MAP_PinTypeSPI(PIN_05, PIN_MODE_7);
/*
* Configure LaunchPad P2.6 as a SPI pin: SPI MOSI
* device pin: 7 (GSPI_MOSI)
* Wiring id : 15
*/
MAP_PinTypeSPI(PIN_07, PIN_MODE_7);
/*
* Configure LaunchPad P2.7 as a SPI pin: SPI MISO
* device pin: 6 (GSPI_MISO)
* Wiring id : 14
*/
MAP_PinTypeSPI(PIN_06, PIN_MODE_7);
break;
default:
return(NULL);
}
Board_initDMA();
/* open the SPI port */
return (SPI_open(spiPortIndex, spiParams));
}
//*****************************************************************************
void
PinMuxConfig(void)
{
//
// Enable Peripheral Clocks
//
MAP_PRCMPeripheralClkEnable(PRCM_UARTA0, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_GSPI, PRCM_RUN_MODE_CLK);
//
// Configure PIN_55 for UART0 UART0_TX
//
MAP_PinTypeUART(PIN_55, PIN_MODE_3);
//
// Configure PIN_57 for UART0 UART0_RX
//
MAP_PinTypeUART(PIN_57, PIN_MODE_3);
//
// Configure PIN_05 for SPI0 GSPI_CLK
//
MAP_PinTypeSPI(PIN_05, PIN_MODE_7);
//
// Configure PIN_06 for SPI0 GSPI_MISO
//
MAP_PinTypeSPI(PIN_06, PIN_MODE_7);
//
// Configure PIN_07 for SPI0 GSPI_MOSI
//
MAP_PinTypeSPI(PIN_07, PIN_MODE_7);
//
// Configure PIN_08 for SPI0 GSPI_CS
//
MAP_PinTypeSPI(PIN_08, PIN_MODE_7);
}
/*
* ======== Board_initGeneral ========
*/
void Board_initGeneral(void)
{
/* Reset DMA + other essential peripheral initialization
* ASSUMED by the simplelink and driverlib libraries
*/
PRCMCC3200MCUInit();
/* Configure pins as specified in the current configuration */
/*
* ======== Enable Peripheral Clocks ========
* Enable all clocks (because wiring can use any pin for in any mode
* at runtime)
*/
MAP_PRCMPeripheralClkEnable(PRCM_CAMERA, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_GSPI, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_I2CA0, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_I2S, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_SDHOST, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_TIMERA0, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_TIMERA1, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_TIMERA2, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_TIMERA3, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_UARTA0, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_UARTA1, PRCM_RUN_MODE_CLK);
/* ======== UART Pin Configuration ======== */
/* Serial */
/*
* Configure LaunchPad P2.9 as a UART1: UART1 TX (via USB port)
* device pin: 55 (UART0_TX)
* Wiring id : 12
*/
MAP_PinTypeUART(PIN_55, PIN_MODE_6);
/*
* Configure LaunchPad P3.3 as a UART1: UART1 RX (via USB port)
* device pin: 57 (UART0_RX)
* Wiring id : 23
*/
MAP_PinTypeUART(PIN_57, PIN_MODE_6);
/* Serial1 */
/*
* Configure LaunchPad P1.4 as a UART0: UART0 TX
* device pin: 3 (UART0_TX)
* Wiring id : 4
*/
MAP_PinTypeUART(PIN_03, PIN_MODE_7);
/*
* Configure LaunchPad P1.3 as a UART0: UART0 RX
* device pin: 4 (UART0_RX)
* Wiring id : 3
*/
MAP_PinTypeUART(PIN_04, PIN_MODE_7);
/* ======== SPI Pin Configuration ======== */
/*
* Configure LaunchPad P1.7 as a SPI pin: SPI CLK
* device pin: 5 (GSPI_CLK)
* Wiring id : 7
*/
MAP_PinTypeSPI(PIN_05, PIN_MODE_7);
/*
* Configure LaunchPad P2.6 as a SPI pin: SPI MOSI
* device pin: 7 (GSPI_MOSI)
* Wiring id : 15
*/
MAP_PinTypeSPI(PIN_07, PIN_MODE_7);
/*
* Configure LaunchPad P2.7 as a SPI pin: SPI MISO
* device pin: 6 (GSPI_MISO)
* Wiring id : 14
*/
MAP_PinTypeSPI(PIN_06, PIN_MODE_7);
/* ======== I2C Pin Configuration ======== */
/*
* Configure LaunchPad P1.9 as a I2C pin: LaunchPad Sensor Data (via I2C)
* device pin: 1 (I2C_SCL)
* Wiring id : 9
*/
MAP_PinTypeI2C(PIN_01, PIN_MODE_1);
/*
* Configure LaunchPad P1.10 as a I2C pin: LaunchPad Sensor Data (via I2C)
* device pin: 2 (I2C_SDA)
* Wiring id : 10
*/
MAP_PinTypeI2C(PIN_02, PIN_MODE_1);
}
