Hello
I tried the f28027 launchpad sci echoback example and works.
But when I trying to put that into the instaspin motion lab13b
and take test to 1 to send the msg to sciA TX.
I got "?" in my com port.
Any body knows is some thing I missed?
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in hal_obj.h
typedef struct _HAL_Obj_
{
...
SCI_Handle sciAHandle; //!< the sciA handle
..........................................................................................................................
in hal.h
extern void HAL_setupSci(HAL_Handle handle);
..........................................................................................................................
in hal.c
void HAL_setParams(HAL_Handle handle,const USER_Params *pUserParams)
{
......
// set the sciA
HAL_setupSci(handle);
void HAL_setupPeripheralClks(HAL_Handle handle)
{
...
CLK_enableSciaClock(obj->clkHandle);
void HAL_setupGpios(HAL_Handle handle)
{
...
// SCI RXD A
GPIO_setPullup(obj->gpioHandle, GPIO_Number_28 , GPIO_Pullup_Enable);
GPIO_setQualification(obj->gpioHandle, GPIO_Number_28, GPIO_Qual_ASync);
GPIO_setMode(obj->gpioHandle,GPIO_Number_28,GPIO_28_Mode_SCIRXDA);
// SCI TXD A
GPIO_setPullup(obj->gpioHandle, GPIO_Number_29, GPIO_Pullup_Enable);
GPIO_setMode(obj->gpioHandle, GPIO_Number_29, GPIO_29_Mode_SCITXDA);
void HAL_setupSci(HAL_Handle handle)
{
HAL_Obj *obj = (HAL_Obj *)handle;
// 1 stop bit, No loopback
// No parity,8 char bits,
// async mode, idle-line protocol
SCI_disableParity(obj->sciAHandle);
SCI_setNumStopBits(obj->sciAHandle, SCI_NumStopBits_One);
SCI_setCharLength(obj->sciAHandle, SCI_CharLength_8_Bits);
SCI_enableTx(obj->sciAHandle);
SCI_enableRx(obj->sciAHandle);
SCI_enableTxInt(obj->sciAHandle);
SCI_enableRxInt(obj->sciAHandle);
// SCI BRR = LSPCLK/(SCI BAUDx8) - 1
SCI_setBaudRate(obj->sciAHandle, SCI_BaudRate_9_6_kBaud); // 9600 baud
SCI_enable(obj->sciAHandle);
SCI_enableTxFifoEnh(obj->sciAHandle);
SCI_resetTxFifo(obj->sciAHandle);
SCI_clearTxFifoInt(obj->sciAHandle);
SCI_resetChannels(obj->sciAHandle);
SCI_setTxFifoIntLevel(obj->sciAHandle, SCI_FifoLevel_Empty);
SCI_resetRxFifo(obj->sciAHandle);
SCI_clearRxFifoInt(obj->sciAHandle);
SCI_setRxFifoIntLevel(obj->sciAHandle, SCI_FifoLevel_4_Words);
return;
}// end of HAL_setupSci() function
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in proj_lab13b.c
msg = "aaaaa\0";
for(;;)
{
for(;;){
if(test>0){
scia_msg(msg);
test = 0;
}
}// Waiting for enable system flag to be set
while(!(gMotorVars.Flag_enableSys));
...
// Transmit a character from the SCI
void scia_xmit(int a)
{
while(SCI_getTxFifoStatus(halHandle->sciAHandle) != SCI_FifoStatus_Empty)
{
}
SCI_putDataBlocking(halHandle->sciAHandle, a);
}
void scia_msg(char * msg)
{
int i;
i = 0;
while(msg[i] != '\0')
{
scia_xmit(msg[i]);
i++;
}
}
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