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ch438 read data by port_NUM

This commit is contained in:
wgzAIIT 2022-04-29 17:58:11 +08:00
parent c0061b66c6
commit 048c1d0ac4
3 changed files with 164 additions and 158 deletions
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8
Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/ch438_demo.c
View File

@ -55,16 +55,16 @@ void CH438Demo(void)
while(1)
{
CH438UARTSend(2,"AT+BAUD=?",9);
ImxrtCh438ReadData(NULL);
ImxrtCh438ReadData(2);
up_mdelay(1000);
CH438UARTSend(2,"AT+NAME=?",9);
ImxrtCh438ReadData(NULL);
ImxrtCh438ReadData(2);
up_mdelay(1000);
CH438UARTSend(2,"AT+ADDR=?",9);
ImxrtCh438ReadData(NULL);
ImxrtCh438ReadData(2);
up_mdelay(1000);
CH438UARTSend(2,"AT+MODE=?",9);
ImxrtCh438ReadData(NULL);
ImxrtCh438ReadData(2);
up_mdelay(1000);
}
}

301
Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.c
View File

@ -44,21 +44,24 @@
#include <sched.h>
#include <debug.h>
#define CH438PORTNUM 8
#define BUFFERSIZE 128
/****************************************************************************
* Private Data
****************************************************************************/
/* Semaphore for receiving data */
static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;;
static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
volatile int done = 0;
volatile int done[CH438PORTNUM] = {0};
static uint8_t RevLen;
static uint8_t buff[8][128];
static uint8_t buff_ptr[8];
static uint8_t Interruptnum[8] = {0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,}; /* SSR寄存器中断号对应值 */
static uint8_t offsetadd[] = {0x00,0x10,0x20,0x30,0x08,0x18,0x28,0x38,}; /* 串口号的偏移地址 */
static uint8_t buff[CH438PORTNUM][BUFFERSIZE];
static uint8_t buff_ptr[CH438PORTNUM];
static uint8_t Interruptnum[CH438PORTNUM] = {0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,}; /* SSR寄存器中断号对应值 */
static uint8_t offsetadd[CH438PORTNUM] = {0x00,0x10,0x20,0x30,0x08,0x18,0x28,0x38,}; /* 串口号的偏移地址 */
static uint8_t gInterruptStatus;
@ -89,7 +92,7 @@ static uint8_t CH438UARTRcv(uint8_t ext_uart_no, uint8_t* buf);
****************************************************************************/
int getInterruptStatus(int argc, char **argv)
{
int ext_uart_no = 2;
uint8_t ext_uart_no = 0;
while(1)
{
pthread_mutex_lock(&mutex);
@ -99,13 +102,17 @@ int getInterruptStatus(int argc, char **argv)
pthread_mutex_unlock(&mutex);
continue;
}
for(ext_uart_no = 0; ext_uart_no < CH438PORTNUM; ext_uart_no++)
{
if(gInterruptStatus & Interruptnum[ext_uart_no])
{
done = 1;
done[ext_uart_no] = 1;
pthread_cond_signal(&cond);
pthread_mutex_unlock(&mutex);
}
}
}
}
/****************************************************************************
@ -147,113 +154,6 @@ void CH438SetInput(void)
imxrt_config_gpio(CH438_D7_PIN_INPUT);
}
/****************************************************************************
* Name: ImxrtCh438ReadData
*
* Description:
* Read data from ch438 port
*
****************************************************************************/
void ImxrtCh438ReadData(void *parameter)
{
int result, i;
uint8_t InterruptStatus;
uint8_t ext_uart_no;
uint8_t REG_IIR_ADDR;
uint8_t REG_LSR_ADDR;
uint8_t REG_MSR_ADDR;
pthread_mutex_lock(&mutex);
while(done == 0)
pthread_cond_wait(&cond, &mutex);
if (done == 1)
{
ext_uart_no = 2;
REG_IIR_ADDR = offsetadd[ext_uart_no] | REG_IIR0_ADDR;
REG_LSR_ADDR = offsetadd[ext_uart_no] | REG_LSR0_ADDR;
REG_MSR_ADDR = offsetadd[ext_uart_no] | REG_MSR0_ADDR;
InterruptStatus = ReadCH438Data(REG_IIR_ADDR) & 0x0f; /* 读串口的中断状态 */
_info("InterruptStatus is %d\n", InterruptStatus);
switch( InterruptStatus )
{
case INT_NOINT: /* 没有中断 */
break;
case INT_THR_EMPTY: /* THR空中断 */
break;
case INT_RCV_OVERTIME: /* 接收超时中断，收到数据后一般是触发这个 。在收到一帧数据后4个数据时间没有后续的数据时触发*/
case INT_RCV_SUCCESS: /* 接收数据可用中断。这是一个数据帧超过缓存了才发生，否则一般是前面的超时中断。处理过程同上面的超时中断 */
RevLen = CH438UARTRcv(ext_uart_no, buff[ext_uart_no]);
for(i=0;i<RevLen;++i)
{
_info("%c(0x%x)\n", buff[ext_uart_no][i], buff[ext_uart_no][i]);
}
for(i=0;i<128;i++)
buff[ext_uart_no][i] = 0;
buff_ptr[ext_uart_no] = 0;
break;
case INT_RCV_LINES: /* 接收线路状态中断 */
ReadCH438Data(REG_LSR_ADDR);
break;
case INT_MODEM_CHANGE: /* MODEM输入变化中断 */
ReadCH438Data(REG_MSR_ADDR);
break;
default:
break;
}
}
pthread_mutex_unlock(&mutex);
}
/****************************************************************************
* Name: Ch438InitDefault
*
* Description:
* Ch438 default initialization function
*
****************************************************************************/
void Ch438InitDefault(void)
{
int ret;
/* Initialize the mutex */
ret = pthread_mutex_init(&mutex, NULL);
if (ret != 0)
{
_info("pthread_mutex_init failed, status=%d\n", ret);
}
/* Initialize the condition variable */
ret = pthread_cond_init(&cond, NULL);
if (ret != 0)
{
_info("pthread_cond_init failed, status=%d\n", ret);
}
ret = task_create("ch438_task", 60, 8192, getInterruptStatus, NULL);
if (ret < 0)
{
_info("task create failed, status=%d\n", ret);
}
ImxrtCH438Init();
CH438PortInit(0,115200);
CH438PortInit(1,115200);
CH438PortInit(2,9600);
CH438PortInit(3,9600);
CH438PortInit(4,115200);
CH438PortInit(5,115200);
CH438PortInit(6,115200);
CH438PortInit(7,115200);
}
/****************************************************************************
* Name: ImxrtCH438Init
*
@ -447,37 +347,6 @@ static void WriteCH438Block(uint8_t mAddr, uint8_t mLen, uint8_t *mBuf)
WriteCH438Data(mAddr, *mBuf++);
}
/****************************************************************************
* Name: CH438UARTSend
*
* Description:
* Enable FIFO mode, which is used for ch438 serial port to send multi byte data,
* with a maximum of 128 bytes of data sent at a time
*
****************************************************************************/
void CH438UARTSend(uint8_t ext_uart_no, uint8_t *Data, uint8_t Num)
{
uint8_t REG_LSR_ADDR,REG_THR_ADDR;
REG_LSR_ADDR = offsetadd[ext_uart_no] | REG_LSR0_ADDR;
REG_THR_ADDR = offsetadd[ext_uart_no] | REG_THR0_ADDR;
while(1)
{
while((ReadCH438Data(REG_LSR_ADDR) & BIT_LSR_TEMT ) == 0); /* 等待数据发送完毕，THR,TSR全空 */
if(Num <= 128)
{
WriteCH438Block(REG_THR_ADDR, Num, Data);
break;
}
else
{
WriteCH438Block(REG_THR_ADDR, 128, Data);
Num -= 128;
Data += 128;
}
}
}
/****************************************************************************
* Name: CH438UARTRcv
*
@ -501,9 +370,147 @@ uint8_t CH438UARTRcv(uint8_t ext_uart_no, uint8_t* buf)
buff[ext_uart_no][buff_ptr[ext_uart_no]] = dat;
buff_ptr[ext_uart_no] = buff_ptr[ext_uart_no] + 1;
if (buff_ptr[ext_uart_no] == 128)
if (buff_ptr[ext_uart_no] == BUFFERSIZE)
buff_ptr[ext_uart_no] = 0;
RcvNum = RcvNum + 1;
}
return RcvNum;
}
/****************************************************************************
* Name: CH438UARTSend
*
* Description:
* Enable FIFO mode, which is used for ch438 serial port to send multi byte data,
* with a maximum of 128 bytes of data sent at a time
*
****************************************************************************/
void CH438UARTSend(uint8_t ext_uart_no, uint8_t *Data, uint8_t Num)
{
uint8_t REG_LSR_ADDR,REG_THR_ADDR;
REG_LSR_ADDR = offsetadd[ext_uart_no] | REG_LSR0_ADDR;
REG_THR_ADDR = offsetadd[ext_uart_no] | REG_THR0_ADDR;
while(1)
{
while((ReadCH438Data(REG_LSR_ADDR) & BIT_LSR_TEMT ) == 0); /* 等待数据发送完毕，THR,TSR全空 */
if(Num <= BUFFERSIZE)
{
WriteCH438Block(REG_THR_ADDR, Num, Data);
break;
}
else
{
WriteCH438Block(REG_THR_ADDR, BUFFERSIZE, Data);
Num -= BUFFERSIZE;
Data += BUFFERSIZE;
}
}
}
/****************************************************************************
* Name: ImxrtCh438ReadData
*
* Description:
* Read data from ch438 port
*
****************************************************************************/
void ImxrtCh438ReadData(uint8_t ext_uart_no)
{
int result, i;
uint8_t InterruptStatus;
uint8_t REG_IIR_ADDR;
uint8_t REG_LSR_ADDR;
uint8_t REG_MSR_ADDR;
pthread_mutex_lock(&mutex);
while(done[ext_uart_no] == 0)
pthread_cond_wait(&cond, &mutex);
if (done[ext_uart_no] == 1)
{
ext_uart_no = 2;
REG_IIR_ADDR = offsetadd[ext_uart_no] | REG_IIR0_ADDR;
REG_LSR_ADDR = offsetadd[ext_uart_no] | REG_LSR0_ADDR;
REG_MSR_ADDR = offsetadd[ext_uart_no] | REG_MSR0_ADDR;
InterruptStatus = ReadCH438Data(REG_IIR_ADDR) & 0x0f; /* 读串口的中断状态 */
_info("InterruptStatus is %d\n", InterruptStatus);
switch( InterruptStatus )
{
case INT_NOINT: /* 没有中断 */
break;
case INT_THR_EMPTY: /* THR空中断 */
break;
case INT_RCV_OVERTIME: /* 接收超时中断，收到数据后一般是触发这个 。在收到一帧数据后4个数据时间没有后续的数据时触发*/
case INT_RCV_SUCCESS: /* 接收数据可用中断。这是一个数据帧超过缓存了才发生，否则一般是前面的超时中断。处理过程同上面的超时中断 */
RevLen = CH438UARTRcv(ext_uart_no, buff[ext_uart_no]);
for(i=0;i<RevLen;++i)
{
_info("%c(0x%x)\n", buff[ext_uart_no][i], buff[ext_uart_no][i]);
}
for(i = 0; i < BUFFERSIZE; i++)
buff[ext_uart_no][i] = 0;
buff_ptr[ext_uart_no] = 0;
break;
case INT_RCV_LINES: /* 接收线路状态中断 */
ReadCH438Data(REG_LSR_ADDR);
break;
case INT_MODEM_CHANGE: /* MODEM输入变化中断 */
ReadCH438Data(REG_MSR_ADDR);
break;
default:
break;
}
}
pthread_mutex_unlock(&mutex);
}
/****************************************************************************
* Name: Ch438InitDefault
*
* Description:
* Ch438 default initialization function
*
****************************************************************************/
void Ch438InitDefault(void)
{
int ret;
/* Initialize the mutex */
ret = pthread_mutex_init(&mutex, NULL);
if (ret != 0)
{
_info("pthread_mutex_init failed, status=%d\n", ret);
}
/* Initialize the condition variable */
ret = pthread_cond_init(&cond, NULL);
if (ret != 0)
{
_info("pthread_cond_init failed, status=%d\n", ret);
}
ret = task_create("ch438_task", 60, 8192, getInterruptStatus, NULL);
if (ret < 0)
{
_info("task create failed, status=%d\n", ret);
}
ImxrtCH438Init();
CH438PortInit(0,115200);
CH438PortInit(1,115200);
CH438PortInit(2,9600);
CH438PortInit(3,9600);
CH438PortInit(4,115200);
CH438PortInit(5,115200);
CH438PortInit(6,115200);
CH438PortInit(7,115200);
}

7
Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.h
View File

@ -300,9 +300,8 @@
void CH438UARTSend(uint8_t ext_uart_no,uint8_t *Data, uint8_t Num);
void Ch438InitDefault(void);
void ImxrtCh438ReadData(void *parameter);
int getInterruptStatus(int argc, char **argv);
void CH438UARTSend(uint8_t ext_uart_no,uint8_t *Data, uint8_t Num);
void ImxrtCh438ReadData(uint8_t ext_uart_no);
void Ch438InitDefault(void);
#endif