I am trying to do the CAN simple_TX program on the TM4C123GH6PM tivac launchpad
I make all the necessary pin configurations needed for the launchpad,
Added the CANIntHandler() to the vector table.
But now I am getting the errors
#10010 errors encountered during linking; "TI.out" not built (TI being the project name)
#10234-D unresolved symbols remain
unresolved symbol UARTStdioConfig, first referenced in ./main.obj
Please advice
This is the code
#include <stdbool.h>
#include <stdint.h>
#include "inc/hw_can.h"
#include "inc/hw_ints.h"
#include "inc/hw_memmap.h"
#include "driverlib/can.h"
#include "driverlib/gpio.h"
#include "driverlib/interrupt.h"
#include "driverlib/pin_map.h"
#include "driverlib/sysctl.h"
#include "driverlib/uart.h"
#include "utils/uartstdio.h"
volatile uint32_t g_ui32MsgCount = 0;
volatile bool g_bErrFlag = 0;
void
InitConsole(void)
{
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
GPIOPinConfigure(0x00000001);
GPIOPinConfigure(0x00000401);
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
UARTClockSourceSet(UART0_BASE, UART_CLOCK_PIOSC);
GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);
UARTStdioConfig(0, 115200, 16000000);
}
void
SimpleDelay(void)
{
SysCtlDelay(16000000 / 3);
}
void
CANIntHandler(void)
{
uint32_t ui32Status;
ui32Status = CANIntStatus(CAN0_BASE, CAN_INT_STS_CAUSE);
if(ui32Status == CAN_INT_INTID_STATUS)
{
ui32Status = CANStatusGet(CAN0_BASE, CAN_STS_CONTROL);
g_bErrFlag = 1;
}
else if(ui32Status == 1)
{
CANIntClear(CAN0_BASE, 1);
g_ui32MsgCount++;
g_bErrFlag = 0;
}
else
{
}
}
int
main(void)
{
tCANMsgObject sCANMessage;
uint32_t ui32MsgData;
uint8_t *pui8MsgData;
pui8MsgData = (uint8_t *)&ui32MsgData;
SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_16MHZ);
InitConsole();
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
GPIOPinConfigure(0x00011008);
GPIOPinConfigure(0x00011408);
GPIOPinTypeCAN(GPIO_PORTB_BASE, GPIO_PIN_4 | GPIO_PIN_5);
SysCtlPeripheralEnable(SYSCTL_PERIPH_CAN0);
CANInit(CAN0_BASE);
CANBitRateSet(CAN0_BASE, SysCtlClockGet(), 500000);
CANIntRegister(CAN0_BASE, CANIntHandler); // if using dynamic vectors
CANIntEnable(CAN0_BASE, CAN_INT_MASTER | CAN_INT_ERROR | CAN_INT_STATUS);
IntEnable(INT_CAN0);
CANEnable(CAN0_BASE);
ui32MsgData = 0;
sCANMessage.ui32MsgID = 1;
sCANMessage.ui32MsgIDMask = 0;
sCANMessage.ui32Flags = MSG_OBJ_TX_INT_ENABLE;
sCANMessage.ui32MsgLen = sizeof(pui8MsgData);
sCANMessage.pui8MsgData = pui8MsgData;
while(1)
{
UARTprintf("Sending msg: 0x%02X %02X %02X %02X",
pui8MsgData[0], pui8MsgData[1], pui8MsgData[2],
pui8MsgData[3]);
CANMessageSet(CAN0_BASE, 1, &sCANMessage, MSG_OBJ_TYPE_TX);
simpleDelay();
if(g_bErrFlag)
{
UARTprintf(" error - cable connected?\n");
}
else
{
UARTprintf(" total count = %u\n", g_ui32MsgCount);
}
ui32MsgData++;
}
return();
}