int HAL_UART::getcharNoWait(){
uint8_t c = 0;
if(context->idx == 0) {
if( isDataReady() ) {
c = *(UART0_BASEADDR + uart_rxOffset) & 0xff;
return c;
}
}
#ifdef USE_DEV_BOARD_BIROS
else if (context->idx == 1) {
if( (*(PPU_BASEADDR + ppu_tcCtrlOffset) & (1<<RX1_EMPTY))==0x00 ) {
c = *(PPU_BASEADDR + ppu_tc1DataOffset) & 0xff;
return c;
}
}
else if (context->idx == 2) {
if( (*(PPU_BASEADDR + ppu_tcCtrlOffset) & (1<<RX2_EMPTY))==0x00 ) {
c=*(PPU_BASEADDR + ppu_tc2DataOffset);
return c ;
}
}
#endif
return -1;
}
void ADCSequencer::triggerAndWait()
{
trigger();
while (!isDataReady()) { Task::yield(); }
readData();
clearInterrupt();
}
int HAL_UART::read(char* recBuf, int maxLen){
int i=-1;
if(context->idx == 0) {
for(i=0;i<maxLen && isDataReady();i++) {
recBuf[i] = *(UART0_BASEADDR + uart_rxOffset);
}
}
#ifdef USE_DEV_BOARD_BIROS
else if (context->idx == 1){
for (i = 0; i < maxLen && isDataReady(); i++ )
{
recBuf[i] = *(PPU_BASEADDR + ppu_tc1DataOffset) & 0xff;
}
}
else if (context->idx == 2) {
for (i = 0; i < maxLen && isDataReady(); i++ )
{
recBuf[i] = *(PPU_BASEADDR + ppu_tc2DataOffset) & 0xff;
}
}
#endif
return i;
}
int initCellModem(Serial *serial)
{
size_t success = 0;
size_t attempts = 0;
g_cellmodem_status = CELLMODEM_STATUS_NOT_INIT;
while (!success && attempts++ < 3) {
closeNet(serial);
if (attempts > 1) {
pr_debug("SIM900: power cycling\r\n");
if (sendCommandOK(serial, "AT\r") == 1 && attempts > 1) {
pr_debug("SIM900: powering down\r\n");
powerCycleCellModem();
}
powerCycleCellModem();
}
if (sendCommandRetry(serial, "ATZ\r", "OK", 2, 2) != 1) continue;
if (sendCommandRetry(serial, "ATE0\r", "OK", 2, 2) != 1) continue;
sendCommand(serial, "AT+CIPSHUT\r", "OK");
if (isNetworkConnected(serial, 60, 3) != 1) continue;
getSignalStrength(serial);
read_subscriber_number(serial);
read_IMEI(serial);
if (isDataReady(serial, 30, 2) != 1) continue;
success = 1;
}
if ( success ) {
g_cellmodem_status = CELLMODEM_STATUS_PROVISIONED;
return 0;
} else {
g_cellmodem_status = CELLMODEM_STATUS_NO_NETWORK;
return -1;
}
}