Hi
I have been working on ADC Read code in CCS. code is given below,
#include "Board.h" #include <ti/sysbios/knl/Semaphore.h> #include <ti/sysbios/knl/Task.h> #include <ti/sysbios/knl/Clock.h> #include <ti/sysbios/family/arm/m3/Hwi.h> #include <ti/sysbios/family/arm/cc26xx/Power.h> #include <ti/sysbios/BIOS.h> #include <ti/drivers/PIN/PINCC26XX.h> #include <ti/drivers/UART.h> #include <driverlib/aux_adc.h> #include <driverlib/aux_wuc.h> #include <inc/hw_aux_evctl.h> #define TASK_STACK_SIZE 512 #define TASK_PRI 1 char taskStack[TASK_STACK_SIZE]; Task_Struct taskStruct; Semaphore_Struct sem; Semaphore_Handle hSem; Hwi_Struct hwi; #define SAMPLECOUNT 8 #define SAMPLETYPE uint16_t #define SAMPLESIZE sizeof(SAMPLETYPE) #define ALS_POWER IOID_26 #define ALS_OUTPUT IOID_23 SAMPLETYPE adcSamples[SAMPLECOUNT]; SAMPLETYPE singleSample; // Analog light sensor pins const PIN_Config alsPins[] = { ALS_POWER | PIN_GPIO_OUTPUT_EN | PIN_GPIO_HIGH | PIN_PUSHPULL | PIN_DRVSTR_MAX, ALS_OUTPUT | PIN_INPUT_DIS | PIN_GPIO_OUTPUT_DIS , PIN_TERMINATE }; PIN_Handle pinHandle; PIN_State pinState; UART_Handle uHandle; void taskFxn(UArg a0, UArg a1); void adcIsr(UArg a0); int main(void) { //Initialize pins, turn on GPIO module PIN_init(BoardGpioInitTable); //Initialize task Task_Params params; Task_Params_init(¶ms); params.priority = TASK_PRI; params.stackSize = TASK_STACK_SIZE; params.stack = taskStack; Task_construct(&taskStruct, taskFxn, ¶ms, NULL); // Construct semaphore used for pending in task Semaphore_Params sParams; Semaphore_Params_init(&sParams); sParams.mode = Semaphore_Mode_BINARY; Semaphore_construct(&sem, 0, &sParams); hSem = Semaphore_handle(&sem); BIOS_start(); } void taskFxn(UArg a0, UArg a1) { Hwi_Params hwiParams; Hwi_Params_init(&hwiParams); hwiParams.enableInt = true; Hwi_construct(&hwi, INT_AUX_ADC, adcIsr, &hwiParams, NULL); UART_Params uParams; // Initialize default values UART_Params_init(&uParams); // Configure custom data, don't care about read params as not used // 115.2kBaud, Text, blocking mode uHandle = UART_open(Board_UART,&uParams); // Set up pins pinHandle = PIN_open(&pinState, alsPins); // Enable clock for ADC digital and analog interface (not currently enabled in driver) AUXWUCClockEnable(AUX_WUC_MODCLKEN0_SOC_M|AUX_WUC_MODCLKEN0_AUX_ADI4_M); // Connect AUX IO7 (DIO23) as analog input. Light sensor on SmartRF06EB AUXADCSelectInput(ADC_COMPB_IN_AUXIO7); // Set up ADC AUXADCEnableSync(AUXADC_REF_FIXED, AUXADC_SAMPLE_TIME_2P7_US, AUXADC_TRIGGER_MANUAL); // Disallow STANDBY mode while using the ADC. Power_setConstraint(Power_SB_DISALLOW); uint8_t currentSample = 0; while(currentSample < SAMPLECOUNT) { //Sleep 100ms in IDLE mode Task_sleep(100 * 1000 / Clock_tickPeriod); // Trigger ADC sampling AUXADCGenManualTrigger(); // Wait in IDLE until done Semaphore_pend(hSem, BIOS_WAIT_FOREVER ); adcSamples[currentSample++] = singleSample; } // Disable ADC AUXADCDisable(); // Allow STANDBY mode again Power_releaseConstraint(Power_SB_DISALLOW); // Restore pins to values in BoardGpioTable PIN_close(pinHandle); // Log data through UART for(uint8_t i = 0; i<SAMPLECOUNT; i++ ) { UART_write(uHandle, &adcSamples[i], SAMPLESIZE); } // Goto STANDBY forever Task_sleep(BIOS_WAIT_FOREVER); } void adcIsr(UArg a0) { // Pop sample from FIFO to allow clearing ADC_IRQ event singleSample = AUXADCReadFifo(); // Clear ADC_IRQ flag. Note: Missing driver for this. HWREGBITW(AUX_EVCTL_BASE + AUX_EVCTL_O_EVTOMCUFLAGSCLR, AUX_EVCTL_EVTOMCUFLAGSCLR_ADC_IRQ_BITN) = 1; // Post semaphore to wakeup task Semaphore_post(hSem); }I am creating a new project with this code. I have added the header files to the include path. But I am getting an error
#10234-D unresolved symbols remain ADCRead C/C++ Proble
The build message shows unresolved symbol as follows
undefined first referenced
symbol in file
--------- ----------------
ResetISR
error #10234-D: unresolved symbols remain
warning #10062-D: entry-point symbol "ResetISR" undefined
How can I avoid all these errors and create stand alone error free ccs project for Reading ADC value?
