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_GPIO_setAsPeripheralModuleFunctionInputPin(GPIO_PORT_P1, GPIO_PIN7, GPIO_PRIMARY_MODULE_FUNCTION);
SPI_enableModule(EUSCI_B0_BASE);
// 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);
SPI_disableModule(EUSCI_B0_BASE);
}
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
int spi_Open(void)
{
GPIO_setAsPeripheralModuleFunctionInputPin(GPIO_PORT_P6,
GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5, GPIO_PRIMARY_MODULE_FUNCTION);
/* Configuring SPI in 3wire master mode */
SPI_initMaster(EUSCI_B1_MODULE, &LIGHTspiConfig);
/* Enable SPI module */
SPI_enableModule(EUSCI_B1_MODULE);
return 0;//NONOS_RET_OK;
}
////------------------------------------------------------------------------------
Fd_t spi_Open(void)
{
/* Selecting P9.5 P9.6 and P9.7 in SPI mode */
GPIO_setAsPeripheralModuleFunctionInputPin(GPIO_PORT_P6,
GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5, GPIO_PRIMARY_MODULE_FUNCTION);
/* CS setup. */
GPIO_setAsOutputPin(GPIO_PORT_P4, GPIO_PIN6);
GPIO_setOutputLowOnPin(GPIO_PORT_P4, GPIO_PIN6);
/* Configuring SPI in 3wire master mode */
SPI_initMaster(EUSCI_B1_MODULE, &SDspiConfig);
/* Enable SPI module */
SPI_enableModule(EUSCI_B1_MODULE);
return 0;//NONOS_RET_OK;
}
void HAL_LCD_SpiInit(void)
{
eUSCI_SPI_MasterConfig config =
{
EUSCI_B_SPI_CLOCKSOURCE_SMCLK,
LCD_SYSTEM_CLOCK_SPEED,
LCD_SPI_CLOCK_SPEED,
EUSCI_B_SPI_MSB_FIRST,
EUSCI_B_SPI_PHASE_DATA_CAPTURED_ONFIRST_CHANGED_ON_NEXT,
EUSCI_B_SPI_CLOCKPOLARITY_INACTIVITY_LOW,
EUSCI_B_SPI_3PIN
};
SPI_initMaster(LCD_EUSCI_BASE, &config);
SPI_enableModule(LCD_EUSCI_BASE);
GPIO_setOutputLowOnPin(LCD_CS_PORT, LCD_CS_PIN);
GPIO_setOutputHighOnPin(LCD_DC_PORT, LCD_DC_PIN);
}