static __attribute__ ((section(".iram0.text"))) void uart0_rx_intr_handler(void *para)
{
/* uart0 and uart1 intr combine togther, when interrupt occur, see reg 0x3ff20020, bit2, bit0 represents
* uart1 and uart0 respectively
*/
//RcvMsgBuff *pRxBuff = (RcvMsgBuff *)para;
char RcvChar;
if (UART_RXFIFO_FULL_INT_ST != (READ_PERI_REG(UART_INT_ST(UART0)) & UART_RXFIFO_FULL_INT_ST)) {
return;
}
WRITE_PERI_REG(UART_INT_CLR(UART0), UART_RXFIFO_FULL_INT_CLR);
while (READ_PERI_REG(UART_STATUS(UART0)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S)) {
RcvChar = READ_PERI_REG(UART_FIFO(UART0)) & 0xFF;
/* you can add your handle code below.*/
system_os_post(1, 0, RcvChar);
if (RcvChar == 114)
{
ets_uart_printf("RcvChar \r\n");
}
}
}
static void ICACHE_FLASH_ATTR recvTask(os_event_t *events)
{
uint8_t i;
while (READ_PERI_REG(UART_STATUS(UART0)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S))
{
WRITE_PERI_REG(0X60000914, 0x73); //WTD
uint16 length = 0;
while ((READ_PERI_REG(UART_STATUS(UART0)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S)) && (length<MAX_UARTBUFFER))
uartbuffer[length++] = READ_PERI_REG(UART_FIFO(UART0)) & 0xFF;
for (i = 0; i < MAX_CONN; ++i)
if (connData[i].conn)
espbuffsent(&connData[i], uartbuffer, length);
}
if(UART_RXFIFO_FULL_INT_ST == (READ_PERI_REG(UART_INT_ST(UART0)) & UART_RXFIFO_FULL_INT_ST))
{
WRITE_PERI_REG(UART_INT_CLR(UART0), UART_RXFIFO_FULL_INT_CLR);
}
else if(UART_RXFIFO_TOUT_INT_ST == (READ_PERI_REG(UART_INT_ST(UART0)) & UART_RXFIFO_TOUT_INT_ST))
{
WRITE_PERI_REG(UART_INT_CLR(UART0), UART_RXFIFO_TOUT_INT_CLR);
}
ETS_UART_INTR_ENABLE();
}
//// modified for LASS , receive data from UART0 (sensor)
static void ICACHE_FLASH_ATTR recvTask(os_event_t *events)
{
uint8_t i;
uint16 length = 0;
//char* p;
//p=&LASSstring[0];
while (READ_PERI_REG(UART_STATUS(UART0)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S))
{
WRITE_PERI_REG(0X60000914, 0x73); //WTD
//length=0;
while ((READ_PERI_REG(UART_STATUS(UART0)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S)) && (length<MAX_UARTBUFFER))
uartbuffer[length++] = READ_PERI_REG(UART_FIFO(UART0)) & 0xFF;
//refer to Plantower PMS5003
p1_0 = (uint32)uartbuffer[4]*256+(uint32)uartbuffer[5];
p2_5 = (uint32)uartbuffer[6]*256+(uint32)uartbuffer[7];
p10_0 = (uint32)uartbuffer[8]*256+(uint32)uartbuffer[9];
}
if(UART_RXFIFO_FULL_INT_ST == (READ_PERI_REG(UART_INT_ST(UART0)) & UART_RXFIFO_FULL_INT_ST))
{
WRITE_PERI_REG(UART_INT_CLR(UART0), UART_RXFIFO_FULL_INT_CLR);
}
else if(UART_RXFIFO_TOUT_INT_ST == (READ_PERI_REG(UART_INT_ST(UART0)) & UART_RXFIFO_TOUT_INT_ST))
{
WRITE_PERI_REG(UART_INT_CLR(UART0), UART_RXFIFO_TOUT_INT_CLR);
}
INFO("%s\r\n",LASSstring);
//uart_rx_intr_enable(UART0);
ETS_UART_INTR_ENABLE();
///// BUG ! TX malfunctioned!
}
/**
* @brief Uart receive task.
* @param events: contain the uart receive data
* @retval None
*/
static void ICACHE_FLASH_ATTR ///////
at_recvTask(os_event_t *events)
{
uint8_t temp;
while(READ_PERI_REG(UART_STATUS(UART0)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S))
{
temp = READ_PERI_REG(UART_FIFO(UART0)) & 0xFF;
if (ser_count>64) ser_count = 0;
ser[ser_count] = temp;
ser_count++;
ser[64] = ser_count;
feedwdt();
}
if(UART_RXFIFO_FULL_INT_ST == (READ_PERI_REG(UART_INT_ST(UART0)) & UART_RXFIFO_FULL_INT_ST))
{
WRITE_PERI_REG(UART_INT_CLR(UART0), UART_RXFIFO_FULL_INT_CLR);
}
else if(UART_RXFIFO_TOUT_INT_ST == (READ_PERI_REG(UART_INT_ST(UART0)) & UART_RXFIFO_TOUT_INT_ST))
{
WRITE_PERI_REG(UART_INT_CLR(UART0), UART_RXFIFO_TOUT_INT_CLR);
}
ETS_UART_INTR_ENABLE();
}
/*
* UART rx Interrupt routine
*/
static void uart_isr(void *arg)
{
uint8_t temp;
signed portBASE_TYPE ret;
portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
if (UART_RXFIFO_FULL_INT_ST != (READ_PERI_REG(UART_INT_ST(UART0)) & UART_RXFIFO_FULL_INT_ST))
{
return;
}
WRITE_PERI_REG(UART_INT_CLR(UART0), UART_RXFIFO_FULL_INT_CLR);
while (READ_PERI_REG(UART_STATUS(UART0)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S)) {
temp = READ_PERI_REG(UART_FIFO(UART0)) & 0xFF;
ret = xQueueSendToBackFromISR
(
uart_rx_queue,
&temp,
&xHigherPriorityTaskWoken
);
if (ret != pdTRUE)
{
uart_rx_overruns++;
}
else
{
uart_rx_bytes++;
}
}
portEND_SWITCHING_ISR( xHigherPriorityTaskWoken );
}
//Read from UART0(requires special uart.c!)
static void ICACHE_FLASH_ATTR recvTask(os_event_t *events)
{
uint8_t c, i;
char ch[1000];
c = 0;
i = 0;
//uart0_tx_buffer("uart",4);
while (READ_PERI_REG(UART_STATUS(UART0)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S))
{
WRITE_PERI_REG(0X60000914, 0x73); //WTD
c = READ_PERI_REG(UART_FIFO(UART0)) & 0xFF;
ch[i] = c;
i++;
}
if(UART_RXFIFO_FULL_INT_ST == (READ_PERI_REG(UART_INT_ST(UART0)) & UART_RXFIFO_FULL_INT_ST))
{
WRITE_PERI_REG(UART_INT_CLR(UART0), UART_RXFIFO_FULL_INT_CLR);
}
else if(UART_RXFIFO_TOUT_INT_ST == (READ_PERI_REG(UART_INT_ST(UART0)) & UART_RXFIFO_TOUT_INT_ST))
{
WRITE_PERI_REG(UART_INT_CLR(UART0), UART_RXFIFO_TOUT_INT_CLR);
}
ETS_UART_INTR_ENABLE();
// send to Server if available
if (pconn && i != 0)
{
espconn_sent(pconn, ch, i);
}
}
//Receive a char from the uart. Uses polling and feeds the watchdog.
static int ATTR_GDBFN gdbRecvChar() {
int i;
while (((READ_PERI_REG(UART_STATUS(0))>>UART_RXFIFO_CNT_S)&UART_RXFIFO_CNT)==0) {
keepWDTalive();
}
i=READ_PERI_REG(UART_FIFO(0));
return i;
}
static void ICACHE_FLASH_ATTR
stdout_uart_txd(char c)
{
//Wait until there is room in the FIFO
while (((READ_PERI_REG(UART_STATUS(0)) >> UART_TXFIFO_CNT_S) & UART_TXFIFO_CNT) >= 126)
;
//Send the character
WRITE_PERI_REG(UART_FIFO(0), c);
}
/******************************************************************************
* FunctionName : uart1_tx_one_char
* Description : Internal used function
* Use uart1 interface to transfer one char
* Parameters : uint8 TxChar - character to tx
* Returns : OK
*******************************************************************************/
STATUS
uart_tx_one_char(uint8 uart, uint8 c)
{
//Wait until there is room in the FIFO
while (((READ_PERI_REG(UART_STATUS(uart))>>UART_TXFIFO_CNT_S)&UART_TXFIFO_CNT)>=100) ;
//Send the character
WRITE_PERI_REG(UART_FIFO(uart), c);
return OK;
}
void HardwareSerial::uart0_rx_intr_handler(void *para)
{
/* uart0 and uart1 intr combine togther, when interrupt occur, see reg 0x3ff20020, bit2, bit0 represents
* uart1 and uart0 respectively
*/
RcvMsgBuff *pRxBuff = (RcvMsgBuff *)para;
uint8 RcvChar;
if (UART_RXFIFO_FULL_INT_ST != (READ_PERI_REG(UART_INT_ST(UART_ID_0)) & UART_RXFIFO_FULL_INT_ST))
return;
WRITE_PERI_REG(UART_INT_CLR(UART_ID_0), UART_RXFIFO_FULL_INT_CLR);
while (READ_PERI_REG(UART_STATUS(UART_ID_0)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S))
{
RcvChar = READ_PERI_REG(UART_FIFO(UART_ID_0)) & 0xFF;
/* you can add your handle code below.*/
if (memberData[UART_ID_0].useRxBuff)
{
*(pRxBuff->pWritePos) = RcvChar;
// insert here for get one command line from uart
if (RcvChar == '\n' )
pRxBuff->BuffState = WRITE_OVER;
pRxBuff->pWritePos++;
if (pRxBuff->pWritePos == (pRxBuff->pRcvMsgBuff + RX_BUFF_SIZE))
{
// overflow ...we may need more error handle here.
pRxBuff->pWritePos = pRxBuff->pRcvMsgBuff;
}
if (pRxBuff->pWritePos == pRxBuff->pReadPos)
{ // Prevent readbuffer overflow
if (pRxBuff->pReadPos == (pRxBuff->pRcvMsgBuff + RX_BUFF_SIZE))
{
pRxBuff->pReadPos = pRxBuff->pRcvMsgBuff ;
} else {
pRxBuff->pReadPos++;
}
}
}
if (memberData[UART_ID_0].HWSDelegate)
{
unsigned short cc;
cc = (pRxBuff->pWritePos < pRxBuff->pReadPos) ? ((pRxBuff->pWritePos + RX_BUFF_SIZE) - pRxBuff->pReadPos)
: (pRxBuff->pWritePos - pRxBuff->pReadPos);
memberData[UART_ID_0].HWSDelegate(Serial, RcvChar, cc);
}
}
}
void uart_isr(void *arg) {
uint32_t int_st = READ_PERI_REG(UART_INT_ST(0));
while (1) {
uint32_t fifo_len = READ_PERI_REG(UART_STATUS(0)) & 0xff;
if (fifo_len == 0) {
break;
}
while (fifo_len-- > 0) {
uint8_t byte = READ_PERI_REG(UART_FIFO(0)) & 0xff;
uart_isr_receive(byte);
}
}
WRITE_PERI_REG(UART_INT_CLR(0), int_st);
}
// Turn UART interrupts off and poll for nchars or until timeout hits
uint16_t ICACHE_FLASH_ATTR
uart0_rx_poll(char *buff, uint16_t nchars, uint32_t timeout_us) {
ETS_UART_INTR_DISABLE();
uint16_t got = 0;
uint32_t start = system_get_time(); // time in us
while (system_get_time()-start < timeout_us) {
while (READ_PERI_REG(UART_STATUS(UART0)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S)) {
buff[got++] = READ_PERI_REG(UART_FIFO(UART0)) & 0xFF;
if (got == nchars) goto done;
}
}
done:
ETS_UART_INTR_ENABLE();
return got;
}
void uart_isr(void *arg) {
uint32_t int_st = READ_PERI_REG(UART_INT_ST(0));
struct uart_buf *ub = (struct uart_buf *) arg;
while (1) {
uint32_t fifo_len = READ_PERI_REG(UART_STATUS(0)) & 0xff;
if (fifo_len == 0) break;
while (fifo_len-- > 0) {
uint8_t byte = READ_PERI_REG(UART_FIFO(0)) & 0xff;
*ub->pw++ = byte;
ub->nr++;
if (ub->pw >= ub->data + UART_BUF_SIZE) ub->pw = ub->data;
}
}
WRITE_PERI_REG(UART_INT_CLR(0), int_st);
}
void HardwareSerial::uartReceiveInterruptHandler(void *para)
{
/* uart0 and uart1 intr combine togther, when interrupt occur, see reg 0x3ff20020, bit2, bit0 represents
* uart1 and uart0 respectively
*/
HardwareSerial* Self = hardwareSerialObjects[UART_ID_0];
uint8 RcvChar;
if (UART_RXFIFO_FULL_INT_ST != (READ_PERI_REG(UART_INT_ST(UART_ID_0)) & UART_RXFIFO_FULL_INT_ST))
return;
WRITE_PERI_REG(UART_INT_CLR(UART_ID_0), UART_RXFIFO_FULL_INT_CLR);
while (READ_PERI_REG(UART_STATUS(UART_ID_0)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S))
{
RcvChar = READ_PERI_REG(UART_FIFO(UART_ID_0)) & 0xFF;
/* you can add your handle code below.*/
if (Self->useRxBuff)
{
Self->rxBuffer.Push(RcvChar);
}
if ((Self->HWSDelegate) || (Self->commandExecutor))
{
SerialDelegateMessage serialDelegateMessage;
serialDelegateMessage.uart = Self->uart;
serialDelegateMessage.rcvChar = RcvChar;
serialDelegateMessage.charCount = Self->rxBuffer.Len();
if (Self->HWSDelegate)
{
// system_os_post(USER_TASK_PRIO_0, SERIAL_SIGNAL_DELEGATE, serialQueueParameter);
serialDelegateMessage.type = SERIAL_SIGNAL_DELEGATE;
xQueueSendToBackFromISR ( serialDelegateQueue, &serialDelegateMessage, NULL);
}
if (Self->commandExecutor)
{
// system_os_post(USER_TASK_PRIO_0, SERIAL_SIGNAL_COMMAND, serialQueueParameter);
serialDelegateMessage.type = SERIAL_SIGNAL_COMMAND;
xQueueSendToBackFromISR ( serialDelegateQueue, &serialDelegateMessage, NULL);
}
}
}
}
static void ICACHE_FLASH_ATTR user_rx_task(os_event_t *events) {
if(events->sig == 0){
uint8 fifo_len = (READ_PERI_REG(UART_STATUS(UART0))>>UART_RXFIFO_CNT_S)&UART_RXFIFO_CNT;
uint8 d_tmp = 0;
uint8 idx=0;
for(idx=0;idx<fifo_len;idx++) {
d_tmp = READ_PERI_REG(UART_FIFO(UART0)) & 0xFF;
uart_tx_one_char(UART0, d_tmp);
if( has_space() ) {
serial_buffer[putpos++ & POS_MASK] = d_tmp;
}
}
WRITE_PERI_REG(UART_INT_CLR(UART0), UART_RXFIFO_FULL_INT_CLR|UART_RXFIFO_TOUT_INT_CLR);
uart_rx_intr_enable(UART0);
if( serial_datalen() && user_rx_callback ) {
user_rx_callback(serial_datalen());
}
}
/******************************************************************************
* FunctionName : uart_recvTask
* Description : system task triggered on receive interrupt, empties FIFO and calls callbacks
*******************************************************************************/
static void ICACHE_FLASH_ATTR
uart_recvTask(os_event_t *events)
{
while (READ_PERI_REG(UART_STATUS(UART0)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S)) {
//WRITE_PERI_REG(0X60000914, 0x73); //WTD // commented out by TvE
// read a buffer-full from the uart
uint16 length = 0;
uint16 l = 0;
char buf[128];
char in_char;
bool did_start = false;
while ((READ_PERI_REG(UART_STATUS(UART0)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S)) &&
(length < 128)) {
in_char = READ_PERI_REG(UART_FIFO(UART0)) & 0xFF;
length++;
//look for beginning | char from BLE peripheral
if(in_char == '|')
{
did_start = true;
}
if(did_start)
{
buf[l] = in_char;
if(buf[l] == '\n' || buf[l] == '\r')
{
buf[l] = '\0';
break;
}
l++;
}
}
//DBG_UART("%d ix %d\n", system_get_time(), length);
for (int i=0; i<MAX_CB; i++) {
//if (uart_recv_cb[i] != NULL) (uart_recv_cb[i])(buf, length);
if (uart_recv_cb[i] != NULL && l > 3) (uart_recv_cb[i])(buf, l);
}
}
WRITE_PERI_REG(UART_INT_CLR(UART0), UART_RXFIFO_FULL_INT_CLR|UART_RXFIFO_TOUT_INT_CLR);
ETS_UART_INTR_ENABLE();
}
/******************************************************************************
* FunctionName : uart_recvTask
* Description : system task triggered on receive interrupt, empties FIFO and calls callbacks
*******************************************************************************/
static void ICACHE_FLASH_ATTR
uart_recvTask(os_event_t *events)
{
while (READ_PERI_REG(UART_STATUS(UART0)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S)) {
//WRITE_PERI_REG(0X60000914, 0x73); //WTD // commented out by TvE
// read a buffer-full from the uart
uint16 length = 0;
char buf[128];
while ((READ_PERI_REG(UART_STATUS(UART0)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S)) &&
(length < 128)) {
buf[length++] = READ_PERI_REG(UART_FIFO(UART0)) & 0xFF;
}
#ifdef UART_DBG
os_printf("%d ix %d\n", system_get_time(), length);
#endif
for (int i=0; i<MAX_CB; i++) {
if (uart_recv_cb[i] != NULL) (uart_recv_cb[i])(buf, length);
}
}
WRITE_PERI_REG(UART_INT_CLR(UART0), UART_RXFIFO_FULL_INT_CLR|UART_RXFIFO_TOUT_INT_CLR);
ETS_UART_INTR_ENABLE();
}
IRAM void esp_uart_tx_byte(int uart_no, uint8_t byte) {
WRITE_PERI_REG(UART_FIFO(uart_no), byte);
}
IRAM static void tx_byte(int uart_no, uint8_t byte) {
WRITE_PERI_REG(UART_FIFO(uart_no), byte);
}
IRAM static int rx_byte(int uart_no) {
return READ_PERI_REG(UART_FIFO(uart_no)) & 0xff;
}
/**
* @brief Uart receive task.
* @param events: contain the uart receive data
* @retval None
*/
static void ICACHE_FLASH_ATTR ///////
at_recvTask(os_event_t *events)
{
static uint8_t atHead[2];
static uint8_t *pCmdLine;
uint8_t temp;
// temp = events->par;
// temp = READ_PERI_REG(UART_FIFO(UART0)) & 0xFF;
// temp = 'X';
//add transparent determine
while(READ_PERI_REG(UART_STATUS(UART0)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S))
{
// temp = READ_PERI_REG(UART_FIFO(UART0)) & 0xFF;
WRITE_PERI_REG(0X60000914, 0x73); //WTD
temp = READ_PERI_REG(UART_FIFO(UART0)) & 0xFF;
/*
if(at_state != at_statIpTraning)
{
temp = READ_PERI_REG(UART_FIFO(UART0)) & 0xFF;
if((temp != '\n') && (echoFlag))
{
uart_tx_one_char(temp); //display back
}
}
* */
if((at_state != at_statIpTraning) && (temp != '\n') && (echoFlag))
{
uart_tx_one_char(UART0,temp); //display back
// uart_tx_one_char(temp); //display back
}
switch(at_state)
{
case at_statIdle: //serch "AT" head
atHead[0] = atHead[1];
atHead[1] = temp;
if((os_memcmp(atHead, "AT", 2) == 0) || (os_memcmp(atHead, "at", 2) == 0))
{
at_state = at_statRecving;
pCmdLine = at_cmdLine;
atHead[1] = 0x00;
}
else if(temp == '\n') //only get enter
{
uart0_sendStr("\r\nError\r\n");
}
break;
case at_statRecving: //push receive data to cmd line
*pCmdLine = temp;
if(temp == '\n')
{
system_os_post(at_procTaskPrio, 0, 0);
at_state = at_statProcess;
if(echoFlag)
{
uart0_sendStr("\r\n"); ///////////
}
}
else if(pCmdLine >= &at_cmdLine[at_cmdLenMax - 1])
{
at_state = at_statIdle;
}
pCmdLine++;
break;
case at_statProcess: //process data
if(temp == '\n')
{
// system_os_post(at_busyTaskPrio, 0, 1);
uart0_sendStr("\r\nbusy p...\r\n");
}
break;
case at_statIpSending:
*pDataLine = temp;
if((pDataLine >= &at_dataLine[at_sendLen - 1]) || (pDataLine >= &at_dataLine[at_dataLenMax - 1]))
{
system_os_post(at_procTaskPrio, 0, 0);
at_state = at_statIpSended;
}
pDataLine++;
// *pDataLine = temp;
// if (pDataLine == &UartDev.rcv_buff.pRcvMsgBuff[at_sendLen-1])
// {
// system_os_post(at_procTaskPrio, 0, 0);
// at_state = at_statIpSended;
// }
// pDataLine++;
break;
case at_statIpSended: //send data
if(temp == '\n')
{
// system_os_post(at_busyTaskPrio, 0, 2);
uart0_sendStr("busy s...\r\n");
}
break;
case at_statIpTraning:
os_timer_disarm(&at_delayChack);
// *pDataLine = temp;
if(pDataLine > &at_dataLine[at_dataLenMax - 1])
{
os_printf("exceed\r\n");
return;
}
else if(pDataLine == &at_dataLine[at_dataLenMax - 1])
{
temp = READ_PERI_REG(UART_FIFO(UART0)) & 0xFF;
*pDataLine = temp;
pDataLine++;
at_tranLen++;
os_timer_arm(&at_delayChack, 1, 0);
return;
}
else
{
temp = READ_PERI_REG(UART_FIFO(UART0)) & 0xFF;
*pDataLine = temp;
pDataLine++;
at_tranLen++;
// if(ipDataSendFlag == 0)
// {
// os_timer_arm(&at_delayChack, 20, 0);
// }
os_timer_arm(&at_delayChack, 20, 0);
}
break;
// os_timer_disarm(&at_delayChack);
// *pDataLine = temp;
// if(pDataLine >= &at_dataLine[at_dataLenMax - 1])
// {
//// ETS_UART_INTR_DISABLE();
//// pDataLine++;
// at_tranLen++;
//// os_timer_arm(&at_delayChack, 1, 0); /////
// system_os_post(at_procTaskPrio, 0, 0);
// break;
// }
// pDataLine++;
// at_tranLen++;
// if(ipDataSendFlag == 0)
// {
// os_timer_arm(&at_delayChack, 20, 0);
// }
// break;
default:
if(temp == '\n')
{
}
break;
}
}
if(UART_RXFIFO_FULL_INT_ST == (READ_PERI_REG(UART_INT_ST(UART0)) & UART_RXFIFO_FULL_INT_ST))
{
WRITE_PERI_REG(UART_INT_CLR(UART0), UART_RXFIFO_FULL_INT_CLR);
}
else if(UART_RXFIFO_TOUT_INT_ST == (READ_PERI_REG(UART_INT_ST(UART0)) & UART_RXFIFO_TOUT_INT_ST))
{
WRITE_PERI_REG(UART_INT_CLR(UART0), UART_RXFIFO_TOUT_INT_CLR);
}
ETS_UART_INTR_ENABLE();
}
int my_rx_one_char(void) // char or -1
{
int c = READ_PERI_REG(UART_STATUS(0)) & 0xff;
if (c) return READ_PERI_REG(UART_FIFO(0));
return -1;
}
//Send a char to the uart.
static void ATTR_GDBFN gdbSendChar(char c) {
while (((READ_PERI_REG(UART_STATUS(0))>>UART_TXFIFO_CNT_S)&UART_TXFIFO_CNT)>=126) ;
WRITE_PERI_REG(UART_FIFO(0), c);
}
/**
* @brief Uart receive task.
* @param events: contain the uart receive data
* @retval None
*/
void ICACHE_FLASH_ATTR
at_recvTask(void)
{
static uint8_t atHead[2];
static uint8_t *pCmdLine;
uint8_t temp;
// temp = events->par;
temp = READ_PERI_REG(UART_FIFO(UART0)) & 0xFF;
// temp = 'X';
//add transparent determine
if(at_state != at_statIpTraning)
{
if(temp != '\n')
{
uart_tx_one_char(temp); //display back
}
}
switch (at_state)
{
case at_statIdle: //serch "AT" head
atHead[0]=atHead[1];
atHead[1]=temp;
if((os_memcmp(atHead, "AT", 2) == 0) || (os_memcmp(atHead, "at", 2) == 0))
{
at_state = at_statRecving;
pCmdLine = at_cmdLine;
atHead[1] = 0x00;
}
else if(temp == '\r') //only get enter
{
uart0_sendStr("\r\nError\r\n");
}
break;
case at_statRecving: //push receive data to cmd line
*pCmdLine = temp;
if(temp == '\r')
{
system_os_post(at_procTaskPrio, 0, 0);
at_state = at_statProcess;
uart0_sendStr("\r\n"); ///////////
}
else if (pCmdLine == &at_cmdLine[at_cmdLenMax-1])
{
at_state = at_statIdle;
}
pCmdLine++;
break;
case at_statProcess: //process data
if(temp == '\r')
{
uart0_sendStr("\r\nbusy now ...\r\n");
}
break;
case at_statIpSending:
*pDataLine = temp;
if ((pDataLine == &at_dataLine[at_sendLen-1]) ||
(pDataLine == &at_dataLine[at_dataLenMax-1]))
{
system_os_post(at_procTaskPrio, 0, 0);
at_state = at_statIpSended;
}
pDataLine++;
// *pDataLine = temp;
// if (pDataLine == &UartDev.rcv_buff.pRcvMsgBuff[at_sendLen-1])
// {
// system_os_post(at_procTaskPrio, 0, 0);
// at_state = at_statIpSended;
// }
// pDataLine++;
break;
case at_statIpSended: //send data
if(temp == '\r')
{
uart0_sendStr("busy\r\n");
}
break;
case at_statIpTraning:
os_timer_disarm(&at_delayChack);
*pDataLine = temp;
if (pDataLine == &at_dataLine[at_dataLenMax-1])
{
ETS_UART_INTR_DISABLE();
// pDataLine++;
at_tranLen++;
os_timer_arm(&at_delayChack, 1, 0);
break;
}
pDataLine++;
at_tranLen++;
os_timer_arm(&at_delayChack, 20, 0);
break;
default:
if(temp == '\r')
{
}
break;
}
}
