/*-----------------------------------------------------------------------------
* sio open and bus init
*/
static int InitBus(const char *comPort) {
uint8_t ch;
int handle;
SioInit();
handle = SioOpen(comPort, eSioBaud9600, eSioDataBits8, eSioParityNo, eSioStopBits1, eSioModeHalfDuplex);
if (handle == -1) {
return -1;
}
while (SioGetNumRxChar(handle) > 0) {
SioRead(handle, &ch, sizeof(ch));
}
BusInit(handle);
return handle;
}
/*-----------------------------------------------------------------------------
* check for new received bus telegram
* return codes:
* BUS_NO_MSG no telegram in progress
* BUS_MSG_OK telegram received completely
* BUS_MSG_RXING telegram receiving in progress
* BUS_MSG_ERROR errorous telegram received (checksum error)
*/
UINT8 BusCheck(void) {
static UINT8 ret = BUS_NO_MSG;
UINT8 ch;
UINT8 retTmp;
UINT8 numRxChar;
numRxChar = SioRead(&ch);
if (numRxChar != 0) {
ret = BusDecode(ch);
if ((ret == BUS_MSG_ERROR) ||
(ret == BUS_MSG_OK)) {
retTmp = ret;
ret = BUS_NO_MSG;
return retTmp;
}
}
return ret;
}
/*-----------------------------------------------------------------------------
* check for new received bus telegram
* return codes:
* BUS_NO_MSG no telegram in progress
* BUS_MSG_OK telegram received completely
* BUS_MSG_RXING telegram receiving in progress
* BUS_MSG_ERROR errorous telegram received (checksum error)
*/
uint8_t BusCheck(void) {
static uint8_t ret = BUS_NO_MSG;
uint8_t ch;
uint8_t retTmp;
uint8_t numRxChar;
numRxChar = SioRead(&ch);
if (numRxChar != 0) {
ret = BusDecode(ch);
if ((ret == BUS_MSG_ERROR) ||
(ret == BUS_MSG_OK)) {
retTmp = ret;
ret = BUS_NO_MSG;
return retTmp;
}
}
return ret;
}
/*-----------------------------------------------------------------------------
* main
*/
int main(int argc, char *argv[]) {
int handle;
int i;
char comPort[SIZE_COMPORT] = "";
uint8_t len;
uint8_t val8;
/* get tty device */
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-c") == 0) {
if (argc > i) {
strncpy(comPort, argv[i + 1], sizeof(comPort) - 1);
comPort[sizeof(comPort) - 1] = 0;
}
break;
}
}
if (strlen(comPort) == 0) {
PrintUsage();
return 0;
}
SioInit();
handle = SioOpen(comPort, eSioBaud9600, eSioDataBits8, eSioParityNo, eSioStopBits1, eSioModeHalfDuplex);
if (handle == -1) {
printf("can't open %s\r\n", comPort);
return 0;
}
// wait for sio input to settle and the flush
usleep(100000);
while ((len = SioGetNumRxChar(handle)) != 0) {
SioRead(handle, &val8, sizeof(val8));
}
BusInit(handle);
#if 1
BusVarInit(67, BusVarNv);
{
uint8_t var1 = 1;
uint16_t var2 = 0x1234;
bool rc;
uint8_t len;
TBusVarHdl hdl1;
TBusVarHdl hdl2;
TBusTelegram *msg;
TBusVarResult result;
TBusVarState state;
BusVarAdd(0, sizeof(var1), true);
BusVarAdd(1, sizeof(var2), false);
rc = BusVarWrite(1, &var2, sizeof(var2), &result);
rc = BusVarWrite(0, &var1, sizeof(var1), &result);
var1 = 0;
var2 = 0;
len = BusVarRead(1, &var2, sizeof(var2), &result);
printf("len %d var2 %x\n", len, var2);
len = BusVarRead(0, &var1, sizeof(var1), &result);
printf("len %d var1 %x\n", len, var1);
hdl2 = BusVarTransactionOpen(242, 1, &var2, sizeof(var2), eBusVarRead);
hdl1 = BusVarTransactionOpen(242, 0, &var1, sizeof(var1), eBusVarRead);
for (i = 0; i < 1000; i++) {
BusVarProcess();
usleep(10000);
if (BusCheck() == BUS_MSG_OK) {
msg = BusMsgBufGet();
if ((msg->type == eBusDevRespGetVar) &&
(msg->msg.devBus.receiverAddr == 67)) {
BusVarRespGet(msg->senderAddr, &msg->msg.devBus.x.devResp.getVar);
}
}
if (hdl1 != BUSVAR_HDL_INVALID) {
state = BusVarTransactionState(hdl1);
if (state & BUSVAR_STATE_FINAL) {
if (state == eBusVarState_Ready) {
printf("var1 %02x\n", var1);
}
BusVarTransactionClose(hdl1);
hdl1 = BUSVAR_HDL_INVALID;
}
}
if (hdl2 != BUSVAR_HDL_INVALID) {
state = BusVarTransactionState(hdl2);
if (state & BUSVAR_STATE_FINAL) {
if (state == eBusVarState_Ready) {
printf("var2 %04x\n", var2);
}
BusVarTransactionClose(hdl2);
hdl2 = BUSVAR_HDL_INVALID;
}
}
}
}
return 0;
#endif
if (Test() == 0) {
printf("OK\n");
} else {
printf("ERROR\n");
}
if (handle != -1) {
SioClose(handle);
}
return 0;
}
