/*
* ======== Board_openI2C ========
* Initialize the I2C driver.
* Initialize the I2C port's pins.
* Open the I2C port.
*/
I2C_Handle Board_openI2C(UInt i2cPortIndex, I2C_Params *i2cParams)
{
/* Initialize the I2C driver */
/* By design, I2C_init() is idempotent */
I2C_init();
/* initialize the pins associated with the respective I2C */
switch (i2cPortIndex) {
case 0:
/*
* 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);
break;
default:
return (NULL);
}
/* open the I2C */
return (I2C_open(i2cPortIndex, i2cParams));
}
//*****************************************************************************
void
PinMuxConfig(void)
{
//
// Enable Peripheral Clocks
//
MAP_PRCMPeripheralClkEnable(PRCM_UARTA0, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_I2CA0, 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_01 for I2C0 I2C_SCL
//
MAP_PinTypeI2C(PIN_01, PIN_MODE_1);
//
// Configure PIN_02 for I2C0 I2C_SDA
//
MAP_PinTypeI2C(PIN_02, PIN_MODE_1);
}
void TwoWire::begin(void)
{
MAP_PRCMPeripheralClkEnable(PRCM_I2CA0, PRCM_RUN_MODE_CLK);
MAP_PinTypeI2C(PIN_01, PIN_MODE_1);
MAP_PinTypeI2C(PIN_02, PIN_MODE_1);
MAP_PRCMPeripheralReset(PRCM_I2CA0);
MAP_I2CMasterInitExpClk(I2C_BASE, F_CPU, true);
}
void InitGPIO(void)
{
/* Activate GPIO clock per port. Not sure of which ports we use, so enable everything */
MAP_PRCMPeripheralClkEnable(PRCM_GPIOA0, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_GPIOA1, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_GPIOA2, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_GPIOA3, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_GPIOA4, PRCM_RUN_MODE_CLK);
/* Configure UART pins */
MAP_PinTypeUART(PIN_55, PIN_MODE_3);
MAP_PinTypeUART(PIN_57, PIN_MODE_3);
/* Configure I2C pins */
MAP_PinTypeI2C(PIN_01, PIN_MODE_1);
MAP_PinTypeI2C(PIN_02, PIN_MODE_1);
/* COngifure current sense ADC inputs */
MAP_PinTypeADC(AISEN,PIN_MODE_255);
MAP_PinTypeADC(BISEN,PIN_MODE_255);
MAP_ADCChannelEnable(ADC_BASE, AISENx);
MAP_ADCChannelEnable(ADC_BASE, BISENx);
MAP_ADCEnable(ADC_BASE);
/* Set pin mode for DIP and LED pins */
MAP_PinTypeGPIO(RLED, PIN_MODE_0, false);
MAP_PinTypeGPIO(BLED, PIN_MODE_0, false);
MAP_PinTypeGPIO(DIP1, PIN_MODE_0, false);
MAP_PinTypeGPIO(DIP2, PIN_MODE_0, false);
MAP_PinTypeGPIO(DIP3, PIN_MODE_0, false);
MAP_PinTypeGPIO(DIP4, PIN_MODE_0, false);
MAP_PinTypeGPIO(ODO1, PIN_MODE_0, false);
MAP_PinTypeGPIO(ODO2, PIN_MODE_0, false);
/* Get port name and bin number from GPIO number (TI lookup table) LED, DIP, ODO */
GPIO_IF_GetPortNPin(RLEDx, &port_rled, &pin_rled);
GPIO_IF_GetPortNPin(BLEDx, &port_bled, &pin_bled);
GPIO_IF_GetPortNPin(DIP1x, &port_dip1, &pin_dip1);
GPIO_IF_GetPortNPin(DIP2x, &port_dip2, &pin_dip2);
GPIO_IF_GetPortNPin(DIP3x, &port_dip3, &pin_dip3);
GPIO_IF_GetPortNPin(DIP4x, &port_dip4, &pin_dip4);
GPIO_IF_GetPortNPin(ODO1x, &port_odo1, &pin_odo1);
GPIO_IF_GetPortNPin(ODO2x, &port_odo2, &pin_odo2);
/* Set pin direction LED, DIP, ODO */
GPIODirModeSet(port_rled, pin_rled, 1);
GPIODirModeSet(port_bled, pin_bled, 1);
GPIODirModeSet(port_dip1, pin_dip1, 0);
GPIODirModeSet(port_dip2, pin_dip2, 0);
GPIODirModeSet(port_dip3, pin_dip3, 0);
GPIODirModeSet(port_dip4, pin_dip4, 0);
GPIODirModeSet(port_odo1, pin_odo1, 0);
GPIODirModeSet(port_odo2, pin_odo2, 0);
}
int main() {
#ifndef USE_TIRTOS
MAP_IntVTableBaseSet((unsigned long) &g_pfnVectors[0]);
#endif
MAP_IntEnable(FAULT_SYSTICK);
MAP_IntMasterEnable();
PRCMCC3200MCUInit();
/* Console UART init. */
MAP_PRCMPeripheralClkEnable(CONSOLE_UART_PERIPH, PRCM_RUN_MODE_CLK);
MAP_PinTypeUART(PIN_55, PIN_MODE_3); /* PIN_55 -> UART0_TX */
MAP_PinTypeUART(PIN_57, PIN_MODE_3); /* PIN_57 -> UART0_RX */
MAP_UARTConfigSetExpClk(
CONSOLE_UART, MAP_PRCMPeripheralClockGet(CONSOLE_UART_PERIPH),
CONSOLE_BAUD_RATE,
(UART_CONFIG_WLEN_8 | UART_CONFIG_STOP_ONE | UART_CONFIG_PAR_NONE));
MAP_UARTFIFOLevelSet(CONSOLE_UART, UART_FIFO_TX1_8, UART_FIFO_RX4_8);
MAP_UARTFIFOEnable(CONSOLE_UART);
setvbuf(stdout, NULL, _IOLBF, 0);
setvbuf(stderr, NULL, _IOLBF, 0);
cs_log_set_level(LL_INFO);
cs_log_set_file(stdout);
LOG(LL_INFO, ("Hello, world!"));
MAP_PinTypeI2C(PIN_01, PIN_MODE_1); /* SDA */
MAP_PinTypeI2C(PIN_02, PIN_MODE_1); /* SCL */
I2C_IF_Open(I2C_MASTER_MODE_FST);
/* Set up the red LED. Note that amber and green cannot be used as they share
* pins with I2C. */
MAP_PRCMPeripheralClkEnable(PRCM_GPIOA1, PRCM_RUN_MODE_CLK);
MAP_PinTypeGPIO(PIN_64, PIN_MODE_0, false);
MAP_GPIODirModeSet(GPIOA1_BASE, 0x2, GPIO_DIR_MODE_OUT);
GPIO_IF_LedConfigure(LED1);
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
if (VStartSimpleLinkSpawnTask(8) != 0) {
LOG(LL_ERROR, ("Failed to create SL task"));
}
if (!mg_start_task(MG_TASK_PRIORITY, MG_TASK_STACK_SIZE, mg_init)) {
LOG(LL_ERROR, ("Failed to create MG task"));
}
osi_start();
return 0;
}
int i2c_init(i2c_connection conn) {
struct i2c_state *c = (struct i2c_state *) conn;
c->base = I2CA0_BASE;
c->sda_pin_mode = MAP_PinModeGet(c->scl_pin);
MAP_PinConfigGet(c->sda_pin, &c->sda_pin_strength, &c->sda_pin_type);
MAP_PinTypeI2C(c->sda_pin, PIN_MODE_1); /* SDA */
c->scl_pin_mode = MAP_PinModeGet(c->scl_pin);
MAP_PinConfigGet(c->scl_pin, &c->scl_pin_strength, &c->scl_pin_type);
MAP_PinTypeI2C(c->scl_pin, PIN_MODE_1); /* SCL */
MAP_PRCMPeripheralClkEnable(PRCM_I2CA0, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralReset(PRCM_I2CA0);
MAP_I2CMasterInitExpClk(c->base, SYS_CLK, 0 /* 100 KHz */);
return 0;
}
//*****************************************************************************
void
PinMuxConfig(void)
{
//
// Enable Peripheral Clocks
//
MAP_PRCMPeripheralClkEnable(PRCM_UARTA0, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_GPIOA0, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_GPIOA1, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_I2CA0, 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_58 for GPIOInput
//
MAP_PinTypeGPIO(PIN_58, PIN_MODE_0, false);
MAP_GPIODirModeSet(GPIOA0_BASE, 0x8, GPIO_DIR_MODE_IN);
//
// Configure PIN_64 for GPIOOutput
//
MAP_PinTypeGPIO(PIN_64, PIN_MODE_0, false);
MAP_GPIODirModeSet(GPIOA1_BASE, 0x2, GPIO_DIR_MODE_OUT);
//
// Configure PIN_01 for I2C0 I2C_SCL
//
MAP_PinTypeI2C(PIN_01, PIN_MODE_1);
//
// Configure PIN_02 for I2C0 I2C_SDA
//
MAP_PinTypeI2C(PIN_02, PIN_MODE_1);
}
/*
* ======== 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);
}
//*****************************************************************************
void
PinMuxConfig(void)
{
//
// Enable Peripheral Clocks
//
MAP_PRCMPeripheralClkEnable(PRCM_I2S, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_UARTA0, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_I2CA0, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_GPIOA1, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_GPIOA2, PRCM_RUN_MODE_CLK);
//
// Configure PIN_50 for MCASP0 McAXR1
//
MAP_PinTypeI2S(PIN_50, PIN_MODE_6);
//
// 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_63 for MCASP0 McAFSX
//
MAP_PinTypeI2S(PIN_63, PIN_MODE_7);
//
// Configure PIN_64 for MCASP0 McAXR0
//
MAP_PinTypeI2S(PIN_64, PIN_MODE_7);
//
// Configure PIN_01 for I2C0 I2C_SCL
//
MAP_PinTypeI2C(PIN_01, PIN_MODE_1);
//
// Configure PIN_02 for I2C0 I2C_SDA
//
MAP_PinTypeI2C(PIN_02, PIN_MODE_1);
//
// Configure PIN_04 for GPIOInput
//
MAP_PinTypeGPIO(PIN_04, PIN_MODE_0, false);
MAP_GPIODirModeSet(GPIOA1_BASE, 0x20, GPIO_DIR_MODE_IN);
//
// Configure PIN_15 for GPIOInput
//
MAP_PinTypeGPIO(PIN_15, PIN_MODE_0, false);
MAP_GPIODirModeSet(GPIOA2_BASE, 0x40, GPIO_DIR_MODE_IN);
//
// Configure PIN_53 for MCASP0 McACLK
//
MAP_PinTypeI2S(PIN_53, PIN_MODE_2);
}
//*****************************************************************************
void
PinMuxConfig(void)
{
//
// Enable Peripheral Clocks
//
MAP_PRCMPeripheralClkEnable(PRCM_CAMERA, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralClkEnable(PRCM_I2CA0, PRCM_RUN_MODE_CLK);
//
// Configure PIN_55 for CAMERA0 CAM_pCLK
//
MAP_PinTypeCamera(PIN_55, PIN_MODE_4);
//
// Configure PIN_58 for CAMERA0 CAM_pDATA7
//
MAP_PinTypeCamera(PIN_58, PIN_MODE_4);
//
// Configure PIN_59 for CAMERA0 CAM_pDATA6
//
MAP_PinTypeCamera(PIN_59, PIN_MODE_4);
//
// Configure PIN_60 for CAMERA0 CAM_pDATA5
//
MAP_PinTypeCamera(PIN_60, PIN_MODE_4);
//
// Configure PIN_61 for CAMERA0 CAM_pDATA4
//
MAP_PinTypeCamera(PIN_61, PIN_MODE_4);
//
// Configure PIN_02 for CAMERA0 CAM_pXCLK
//
MAP_PinTypeCamera(PIN_02, PIN_MODE_4);
//
// Configure PIN_03 for CAMERA0 CAM_vS
//
MAP_PinTypeCamera(PIN_03, PIN_MODE_4);
//
// Configure PIN_04 for CAMERA0 CAM_hS
//
MAP_PinTypeCamera(PIN_04, PIN_MODE_4);
//
// Configure PIN_05 for CAMERA0 CAM_pDATA8
//
MAP_PinTypeCamera(PIN_05, PIN_MODE_4);
//
// Configure PIN_06 for CAMERA0 CAM_pDATA9
//
MAP_PinTypeCamera(PIN_06, PIN_MODE_4);
//
// Configure PIN_07 for CAMERA0 CAM_pDATA10
//
MAP_PinTypeCamera(PIN_07, PIN_MODE_4);
//
// Configure PIN_08 for CAMERA0 CAM_pDATA11
//
MAP_PinTypeCamera(PIN_08, PIN_MODE_4);
//
// Configure PIN_16 for I2C0 I2C_SCL
//
MAP_PinTypeI2C(PIN_16, PIN_MODE_9);
//
// Configure PIN_17 for I2C0 I2C_SDA
//
MAP_PinTypeI2C(PIN_17, PIN_MODE_9);
}
