void spiInitialize(void)
{
gpioConfigurePin(SPIx_MISO_GPIO, SPIx_MISO_PIN, SPIx_MISO_CONFIGURATION);
gpioConfigurePin(SPIx_MOSI_GPIO, SPIx_MOSI_PIN, SPIx_MOSI_CONFIGURATION);
gpioConfigurePin(SPIx_SCK_GPIO, SPIx_SCK_PIN, SPIx_SCK_CONFIGURATION);
gpioConfigurePin(SPIx_SSB_GPIO, SPIx_SSB_PIN, SPIx_SSB_CONFIGURATION);
SPIx_SSB_bb=SPIx_SSB_END;
RCC_APBxENR_SPIxEN_bb = 1;
SPIx->CR1 = SPI_CR1_SSM | SPI_CR1_SSI | SPI_CR1_SPE | SPI_CR1_MSTR; // software slave management, enable SPI, master mode
spiSetBaudRate(SPIx_BOUDRATE);
}
U8 uOpioidInit(void)
{
U8 errorCode = STD_EC_SUCCESS;
// ====== µC Initialisation ====== //
// Reset the Port
LATB = LED_B; //Everything to 0 except LED_B (active low)
LATA = LED_R|LED_G; //Everything to 0 except LED_B and LED_R (active low)
// -- Set the IO direction -- //
TRISA = 0xFFFF ^ (LED_R|LED_G); //Everything in input except LED_R and LED_G
TRISB = 0xFFFF ^ (LED_B|RAM_MOSI|RAM_SCK|RAM_SS|RAM_HOLD|EXT0_TX|COM0_TX|COM0_MOSI|COM0_SCK); //Everything in input except LED_B, RAM_MOSI,RAM_SCK,RAM_HOLD,EXT0_TC,COM0_TX,COM0_MOSI and COM0_SCK
// -------------------------- //
// -- Attach pins to peripherals -- //
ppsUnlock();
ppsAttachOut(U1TX,RPB4);
ppsAttachIn(U1RX,RPA4);
ppsAttachOut(U2TX,RPB10);
ppsAttachIn(U2RX,RPB11);
ppsAttachOut(SDO1,RPB6);
ppsAttachIn(SDI1,RPB8);
ppsAttachOut(SDO2,RPB1);
ppsAttachIn(SDI2,RPB2);
ppsAttachIn(INT4,RPB3);
ppsAttachIn(INT2,RPA2);
ppsAttachOut(OC1,RPA0);
ppsAttachOut(OC2,RPA1);
ppsAttachOut(OC3,RPB0);
//ppsAttachOut(REFCLKO,RPA2);
ppsLock();
// -------------------------------- //
// -- Init the Interrupts -- //
INTEnableSystemMultiVectoredInt();
intFastSetPriority(COM0_IRQ0_INT_ID, 4);
intSetExternalEdge(COM0_IRQ0_INT_IRQ, RISING); //COM0 IRQ0 is Rising edge by default
intFastSetPriority(COM0_IRQ1_INT_ID, 4);
intSetExternalEdge(COM0_IRQ1_INT_IRQ, RISING); //COM0 IRQ1 is Rising edge by default
intFastSetPriority(COM0_SPI_INT_ID, 5);
intFastSetPriority(COM0_UART_INT_ID, 5);
intFastSetPriority(RAM_SPI_INT_ID, 6);
intFastSetPriority(EXT0_IRQ_INT_ID, 2);
intSetExternalEdge(EXT0_IRQ_INT_IRQ, RISING); //EXT0 IRQ0 is Rising edge by default
intFastSetPriority(EXT0_UART_INT_ID, 3);
intFastSetPriority(BTN_INT_ID, 1);
intSetExternalEdge(BTN_INT_IRQ, FALLING); //BTN Falling edge trigger
intFastInit(BTN_INT_ID);
INTEnableInterrupts();
// ------------------------- //
// -- Init the realTime system -- //
errorCode = realTimeInit(UOPIOID_SYSTICK_VALUE);
if (errorCode != STD_EC_SUCCESS)
return errorCode;
// ------------------------------ //
// =============================== //
// ====== External Initialization ====== //
// -- RAM initialisation -- //
//Init the RAM SPI
spiSetConfig(RAM_SPI_ID,SPI_MODE_MASTER|SPI_ENHANCED_BUF|SPI_TX_BUF_INT_BUF_EMPTY|SPI_RX_BUF_INT_BUF_HALF_FULL);
spiSetBaudRate(RAM_SPI_ID,5000000);
spiStart(RAM_SPI_ID);
spiAddSlave(RAM_SPI_ID,&LATB,RAM_SS);
// ------------------------ //
// -- COM0 Initialisation -- //
//Init the COM Uart
errorCode = uartInit(COM0_UART_ID,UART_TX_INT_TSR_EMPTY|UART_RX_INT_DATA_READY|UART_MODE_8N1);
if (errorCode != STD_EC_SUCCESS)
return errorCode;
//Init the COM SPI
spiSetConfig(COM0_SPI_ID,SPI_MODE_MASTER|SPI_ENHANCED_BUF|SPI_TX_BUF_INT_BUF_EMPTY|SPI_RX_BUF_INT_BUF_HALF_FULL);
spiSetBaudRate(COM0_SPI_ID,5000000);
spiStart(COM0_SPI_ID);
//Detect presence
// ------------------------- //
// -- EXT0 Initialisation -- //
//Init the EXT Uart
//Detect presence
// ------------------------- //
// ===================================== //
return errorCode;
}
