forked from xuos/xiuos
Merge pull request 'merge code' (#39) from prepare_for_master into ch438
ok
This commit is contained in:
wgzAIIT
commit
c0061b66c6
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@ -22,11 +22,13 @@
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <nuttx/arch.h>
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#include <unistd.h>
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#include <stdint.h>
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@ -39,7 +41,6 @@
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#include <debug.h>
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#include <poll.h>
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#include <fcntl.h>
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#include <syslog.h>
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#include "imxrt_ch438.h"
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@ -48,16 +49,22 @@
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void CH438Demo(void)
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{
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int i=0;
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syslog(LOG_INFO,"ch438_main\n");
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_info("ch438_main\n");
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Ch438InitDefault();
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ch438_irq_enable();
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up_mdelay(1000);
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while(1)
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{
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CH438UARTSend(2,"AT+BAUD=?",9);
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syslog(LOG_INFO,"send success\n");
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ImxrtCh438ReadData(NULL);
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up_mdelay(2000);
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up_mdelay(1000);
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CH438UARTSend(2,"AT+NAME=?",9);
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ImxrtCh438ReadData(NULL);
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up_mdelay(1000);
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CH438UARTSend(2,"AT+ADDR=?",9);
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ImxrtCh438ReadData(NULL);
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up_mdelay(1000);
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CH438UARTSend(2,"AT+MODE=?",9);
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ImxrtCh438ReadData(NULL);
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up_mdelay(1000);
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}
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}
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@ -22,7 +22,6 @@
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#include <sys/types.h>
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#include <errno.h>
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#include <syslog.h>
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#include <nuttx/arch.h>
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#include <nuttx/irq.h>
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@ -41,25 +40,81 @@
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#include <nuttx/time.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <sched.h>
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#include <debug.h>
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/* Semaphore for receiving data */
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static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;;
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static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
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volatile int done = 0;
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static uint8_t RevLen;
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static uint8_t buff[8][128];
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static uint8_t buff_ptr[8];
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static uint8_t Interruptnum[8] = {0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,}; /* SSR寄存器中断号对应值 */
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static uint8_t offsetadd[] = {0x00,0x10,0x20,0x30,0x08,0x18,0x28,0x38,}; /* 串口号的偏移地址 */
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static uint8_t gInterruptStatus;
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static pthread_t thr_438;
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struct sched_param param;
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pthread_attr_t attr = PTHREAD_ATTR_INITIALIZER;
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static void ImxrtCH438Init(void);
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static void CH438PortInit(uint8_t ext_uart_no,uint32_t baud_rate);
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static void CH438SetOutput(void);
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static void CH438SetInput(void);
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static uint8_t ReadCH438Data(uint8_t addr);
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static void WriteCH438Data(uint8_t addr, uint8_t dat);
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static void WriteCH438Block(uint8_t mAddr, uint8_t mLen, uint8_t *mBuf);
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static uint8_t CH438UARTRcv(uint8_t ext_uart_no, uint8_t* buf);
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static char thr_438_stack[1024];
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/****************************************************************************
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* Public and Private Functions
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****************************************************************************/
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static sem_t sem_438; /* 用于接收的信号量 */
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/* ch438中断回调函数 */
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static int Ch438Irq(int irq, FAR void *context, FAR void *arg)
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/****************************************************************************
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* Name: getInterruptStatus
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*
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* Description:
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* thread task getInterruptStatus
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*
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****************************************************************************/
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int getInterruptStatus(int argc, char **argv)
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{
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sem_post(&sem_438);
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up_mdelay(500);
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return OK;
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int ext_uart_no = 2;
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while(1)
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{
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pthread_mutex_lock(&mutex);
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gInterruptStatus = ReadCH438Data(REG_SSR_ADDR);
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if(!gInterruptStatus)
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{
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pthread_mutex_unlock(&mutex);
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continue;
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}
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if(gInterruptStatus & Interruptnum[ext_uart_no])
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{
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done = 1;
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pthread_cond_signal(&cond);
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pthread_mutex_unlock(&mutex);
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}
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}
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}
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/****************************************************************************
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* Name: CH438SetOutput
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*
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* Description:
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* Configure pin mode to output
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*
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****************************************************************************/
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void CH438SetOutput(void)
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{
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imxrt_config_gpio(CH438_D0_PIN_OUT);
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@ -72,6 +127,14 @@ void CH438SetOutput(void)
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imxrt_config_gpio(CH438_D7_PIN_OUT);
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}
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/****************************************************************************
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* Name: CH438SetInput
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*
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* Description:
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* Configure pin mode to input
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*
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****************************************************************************/
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void CH438SetInput(void)
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{
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imxrt_config_gpio(CH438_D0_PIN_INPUT);
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@ -82,82 +145,48 @@ void CH438SetInput(void)
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imxrt_config_gpio(CH438_D5_PIN_INPUT);
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imxrt_config_gpio(CH438_D6_PIN_INPUT);
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imxrt_config_gpio(CH438_D7_PIN_INPUT);
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}
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static uint8_t RevLen ,buff[8][128],buff_ptr[8];
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static uint8_t Interruptnum[8] = {0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,}; /* SSR寄存器中断号对应值 */
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static uint8_t offsetadd[] = {0x00,0x10,0x20,0x30,0x08,0x18,0x28,0x38,}; /* 串口号的偏移地址 */
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void* ImxrtCh438ReadData(void *parameter)
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/****************************************************************************
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* Name: ImxrtCh438ReadData
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*
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* Description:
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* Read data from ch438 port
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*
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****************************************************************************/
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void ImxrtCh438ReadData(void *parameter)
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{
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int result, i;
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uint8_t gInterruptStatus;
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uint8_t InterruptStatus;
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uint8_t ext_uart_no;
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static uint8_t dat;
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uint8_t REG_LCR_ADDR;
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uint8_t REG_DLL_ADDR;
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uint8_t REG_DLM_ADDR;
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uint8_t REG_IER_ADDR;
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uint8_t REG_MCR_ADDR;
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uint8_t REG_FCR_ADDR;
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uint8_t REG_RBR_ADDR;
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uint8_t REG_THR_ADDR;
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uint8_t REG_IIR_ADDR;
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uint8_t REG_LSR_ADDR;
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uint8_t REG_MSR_ADDR;
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// struct timespec abstime;
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// abstime.tv_sec = 2;
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// while (1)
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// {
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syslog(LOG_INFO, "sem_438 is %d\n",sem_438.semcount);
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result = sem_wait(&sem_438);
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if (result == OK)
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{
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gInterruptStatus = ReadCH438Data( REG_SSR_ADDR );
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syslog(LOG_INFO,"gInterruptStatus is %d\n", gInterruptStatus);
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if(!gInterruptStatus)
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{
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}
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else
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pthread_mutex_lock(&mutex);
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while(done == 0)
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pthread_cond_wait(&cond, &mutex);
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if (done == 1)
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{
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// for(ext_uart_no=0; ext_uart_no<8; ext_uart_no++)
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// {
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ext_uart_no = 2;
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if( gInterruptStatus & Interruptnum[ext_uart_no] ) /* 检测哪个串口发生中断 */
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{
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REG_LCR_ADDR = offsetadd[ext_uart_no] | REG_LCR0_ADDR;
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REG_DLL_ADDR = offsetadd[ext_uart_no] | REG_DLL0_ADDR;
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REG_DLM_ADDR = offsetadd[ext_uart_no] | REG_DLM0_ADDR;
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REG_IER_ADDR = offsetadd[ext_uart_no] | REG_IER0_ADDR;
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REG_MCR_ADDR = offsetadd[ext_uart_no] | REG_MCR0_ADDR;
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REG_FCR_ADDR = offsetadd[ext_uart_no] | REG_FCR0_ADDR;
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REG_RBR_ADDR = offsetadd[ext_uart_no] | REG_RBR0_ADDR;
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REG_THR_ADDR = offsetadd[ext_uart_no] | REG_THR0_ADDR;
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REG_IIR_ADDR = offsetadd[ext_uart_no] | REG_IIR0_ADDR;
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REG_LSR_ADDR = offsetadd[ext_uart_no] | REG_LSR0_ADDR;
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REG_MSR_ADDR = offsetadd[ext_uart_no] | REG_MSR0_ADDR;
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InterruptStatus = ReadCH438Data(REG_IIR_ADDR) & 0x0f; /* 读串口的中断状态 */
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syslog(LOG_INFO,"InterruptStatus is %d\n", InterruptStatus);
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_info("InterruptStatus is %d\n", InterruptStatus);
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switch( InterruptStatus )
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{
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case INT_NOINT: /* 没有中断 */
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break;
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case INT_THR_EMPTY: /* THR空中断 */
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// ReadCH438Data( REG_IIR_ADDR );
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break;
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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*/
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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 */
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RevLen = CH438UARTRcv(ext_uart_no, buff[ext_uart_no]);
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for(i=0;i<RevLen;++i)
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{
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syslog(LOG_INFO,"%c(0x%x) ", buff[ext_uart_no][i], buff[ext_uart_no][i]);
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_info("%c(0x%x)\n", buff[ext_uart_no][i], buff[ext_uart_no][i]);
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}
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for(i=0;i<128;i++)
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@ -173,31 +202,45 @@ void* ImxrtCh438ReadData(void *parameter)
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ReadCH438Data(REG_MSR_ADDR);
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break;
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default:
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// ReadCH438Data( REG_IIR_ADDR );
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break;
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}
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}
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// }
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}
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}
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// }
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}
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pthread_mutex_unlock(&mutex);
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}
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/****************************************************************************
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* Name: Ch438InitDefault
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*
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* Description:
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* Ch438 default initialization function
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*
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****************************************************************************/
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void Ch438InitDefault(void)
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{
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int ret = 0;
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sem_init(&sem_438, 0, 0);
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syslog(LOG_INFO,"sem_438 init is %d\n",sem_438.semcount);
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// attr.priority = 120;
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// attr.stacksize = 8192;
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// ret = pthread_create(&thr_438, &attr, &ImxrtCh438ReadData, NULL);
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int ret;
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if (ret != 0){
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syslog(LOG_INFO,"ImxrtCh438ReadData: task create failed, status=%d\n", ret);
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/* Initialize the mutex */
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ret = pthread_mutex_init(&mutex, NULL);
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if (ret != 0)
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{
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_info("pthread_mutex_init failed, status=%d\n", ret);
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}
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/* Initialize the condition variable */
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ret = pthread_cond_init(&cond, NULL);
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if (ret != 0)
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{
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_info("pthread_cond_init failed, status=%d\n", ret);
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}
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ret = task_create("ch438_task", 60, 8192, getInterruptStatus, NULL);
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if (ret < 0)
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{
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_info("task create failed, status=%d\n", ret);
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}
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ImxrtCH438Init();
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@ -209,47 +252,17 @@ void Ch438InitDefault(void)
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CH438PortInit(5,115200);
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CH438PortInit(6,115200);
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CH438PortInit(7,115200);
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up_mdelay(10);
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imxrt_config_gpio(CH438_INT_PIN);
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irq_attach(IMXRT_IRQ_GPIO3_3, Ch438Irq, NULL);
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}
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void ch438_irq_enable(void)
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{
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//重新对每个串口初始化
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CH438PortInit(0,115200);
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CH438PortInit(1,115200);
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CH438PortInit(2,9600);
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CH438PortInit(3,9600);
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CH438PortInit(4,115200);
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CH438PortInit(5,115200);
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CH438PortInit(6,115200);
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CH438PortInit(7,115200);
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/* 使能中断 */
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up_enable_irq(IMXRT_IRQ_GPIO3_3);
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//以下代码测试用。用于enable时向所有串口发一串数据
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up_mdelay(20);
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CH438UARTSend(0,"#1234ABCD!",10);
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CH438UARTSend(1,"#1234ABCD!",10);
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CH438UARTSend(2,"#1234ABCD!",10);
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CH438UARTSend(3,"#1234ABCD!",10);
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CH438UARTSend(4,"#1234ABCD!",10);
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CH438UARTSend(5,"#1234ABCD!",10);
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CH438UARTSend(6,"#1234ABCD!",10);
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CH438UARTSend(7,"#1234ABCD!",10);
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up_mdelay(20);
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}
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/****************************************************************************
|
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* Name: ImxrtCH438Init
|
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*
|
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* Description:
|
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* ch438 initialization
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*
|
||||
****************************************************************************/
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static void ImxrtCH438Init(void)
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{
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uint8_t dat;
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CH438SetOutput();
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imxrt_config_gpio(CH438_NWR_PIN);
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imxrt_config_gpio(CH438_NRD_PIN);
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@ -260,6 +273,13 @@ static void ImxrtCH438Init(void)
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imxrt_gpio_write(CH438_ALE_PIN,true);
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}
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|
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/****************************************************************************
|
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* Name: CH438PortInit
|
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*
|
||||
* Description:
|
||||
* ch438 port initialization
|
||||
*
|
||||
****************************************************************************/
|
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static void CH438PortInit(uint8_t ext_uart_no,uint32_t baud_rate)
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{
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uint32_t div;
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|
|
@ -270,10 +290,6 @@ static void CH438PortInit( uint8_t ext_uart_no,uint32_t baud_rate )
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uint8_t REG_IER_ADDR;
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uint8_t REG_MCR_ADDR;
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uint8_t REG_FCR_ADDR;
|
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uint8_t REG_RBR_ADDR;
|
||||
uint8_t REG_THR_ADDR;
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||||
uint8_t REG_IIR_ADDR;
|
||||
uint8_t dat;
|
||||
|
||||
REG_LCR_ADDR = offsetadd[ext_uart_no] | REG_LCR0_ADDR;
|
||||
REG_DLL_ADDR = offsetadd[ext_uart_no] | REG_DLL0_ADDR;
|
||||
|
|
@ -281,24 +297,14 @@ static void CH438PortInit( uint8_t ext_uart_no,uint32_t baud_rate )
|
|||
REG_IER_ADDR = offsetadd[ext_uart_no] | REG_IER0_ADDR;
|
||||
REG_MCR_ADDR = offsetadd[ext_uart_no] | REG_MCR0_ADDR;
|
||||
REG_FCR_ADDR = offsetadd[ext_uart_no] | REG_FCR0_ADDR;
|
||||
REG_RBR_ADDR = offsetadd[ext_uart_no] | REG_RBR0_ADDR;
|
||||
REG_THR_ADDR = offsetadd[ext_uart_no] | REG_THR0_ADDR;
|
||||
REG_IIR_ADDR = offsetadd[ext_uart_no] | REG_IIR0_ADDR;
|
||||
|
||||
|
||||
|
||||
WriteCH438Data(REG_IER_ADDR, BIT_IER_RESET); /* 复位该串口 */
|
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up_mdelay(50);
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||||
|
||||
|
||||
// dat = ReadCH438Data(REG_FCR_ADDR);
|
||||
// dat = ReadCH438Data(REG_LCR_ADDR);
|
||||
|
||||
dlab = ReadCH438Data(REG_IER_ADDR);
|
||||
dlab &= 0xDF;
|
||||
WriteCH438Data(REG_IER_ADDR, dlab);
|
||||
|
||||
// WriteCH438Data( REG_LCR_ADDR, BIT_LCR_DLAB ); /* 设置DLAB为1 */
|
||||
dlab = ReadCH438Data(REG_LCR_ADDR);
|
||||
dlab |= 0x80; //置LCR寄存器DLAB位为1
|
||||
WriteCH438Data(REG_LCR_ADDR, dlab);
|
||||
|
|
@ -309,47 +315,22 @@ static void CH438PortInit( uint8_t ext_uart_no,uint32_t baud_rate )
|
|||
WriteCH438Data(REG_DLL_ADDR, DLL); /* 设置波特率 */
|
||||
WriteCH438Data(REG_DLM_ADDR, DLM);
|
||||
WriteCH438Data(REG_FCR_ADDR, BIT_FCR_RECVTG1 | BIT_FCR_RECVTG0 | BIT_FCR_FIFOEN); /* 设置FIFO模式，触发点为112字节 */
|
||||
|
||||
WriteCH438Data(REG_LCR_ADDR, BIT_LCR_WORDSZ1 | BIT_LCR_WORDSZ0 ); /* 字长8位，1位停止位、无校验 */
|
||||
|
||||
// if(ext_uart_no==1)
|
||||
// WriteCH438Data( REG_IER_ADDR, 0x00 ); /* 使能中断 */
|
||||
// else
|
||||
WriteCH438Data( REG_IER_ADDR, /*BIT_IER_IEMODEM | BIT_IER_IETHRE | BIT_IER_IELINES | */BIT_IER_IERECV ); /* 使能中断 */
|
||||
|
||||
WriteCH438Data(REG_IER_ADDR, BIT_IER_IERECV); /* 使能中断 */
|
||||
WriteCH438Data(REG_MCR_ADDR, BIT_MCR_OUT2);// | BIT_MCR_RTS | BIT_MCR_DTR ); /* 允许中断输出,DTR,RTS为1 */
|
||||
|
||||
WriteCH438Data(REG_FCR_ADDR, ReadCH438Data(REG_FCR_ADDR)| BIT_FCR_TFIFORST); /* 清空FIFO中的数据 */
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*********************************************************************************************************
|
||||
** 函数名称: ReadCH438Data
|
||||
** 功能描述: 接口函数，从CH438地址读取数据
|
||||
** 输 入: 地址
|
||||
**
|
||||
** 输 出: 数据
|
||||
**
|
||||
** 日 期: 2011年8月26日
|
||||
**-------------------------------------------------------------------------------------------------------
|
||||
** 修改人:
|
||||
** 日 期:
|
||||
**-------------------------------------------------------------------------------------------------------
|
||||
********************************************************************************************************/
|
||||
/****************************************************************************
|
||||
* Name: ReadCH438Data
|
||||
*
|
||||
* Description:
|
||||
* Read data from ch438 address
|
||||
*
|
||||
****************************************************************************/
|
||||
static uint8_t ReadCH438Data(uint8_t addr)
|
||||
{
|
||||
//读函数
|
||||
|
||||
//ALE WR RD线空闲都为高电平，读取数据时候先将地址放在并口，然后拉低ALE锁存地址，延时保持
|
||||
|
||||
//切换引脚输入，拉低RD读信号线，延时等待，读取并口上数据
|
||||
|
||||
//撤销RD，撤销ALE
|
||||
uint8_t dat;
|
||||
|
||||
// imxrt_gpio_write(CH438_NCS_PIN,true);
|
||||
uint8_t dat = 0;
|
||||
imxrt_gpio_write(CH438_NWR_PIN, true);
|
||||
imxrt_gpio_write(CH438_NRD_PIN, true);
|
||||
imxrt_gpio_write(CH438_ALE_PIN, true);
|
||||
|
|
@ -379,7 +360,6 @@ static uint8_t ReadCH438Data( uint8_t addr )
|
|||
|
||||
up_udelay(1);
|
||||
|
||||
dat = 0;
|
||||
if (imxrt_gpio_read(CH438_D7_PIN_INPUT)) dat |= 0x80;
|
||||
if (imxrt_gpio_read(CH438_D6_PIN_INPUT)) dat |= 0x40;
|
||||
if (imxrt_gpio_read(CH438_D5_PIN_INPUT)) dat |= 0x20;
|
||||
|
|
@ -398,6 +378,13 @@ static uint8_t ReadCH438Data( uint8_t addr )
|
|||
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: WriteCH438Data
|
||||
*
|
||||
* Description:
|
||||
* write data to ch438 address
|
||||
*
|
||||
****************************************************************************/
|
||||
static void WriteCH438Data(uint8_t addr, uint8_t dat)
|
||||
{
|
||||
imxrt_gpio_write(CH438_ALE_PIN, true);
|
||||
|
|
@ -447,133 +434,76 @@ static void WriteCH438Data( uint8_t addr, uint8_t dat)
|
|||
}
|
||||
|
||||
|
||||
|
||||
/*********************************************************************************************************
|
||||
** 函数名称: WriteCH438Block
|
||||
** 功能描述: 接口函数，从CH438地址写入数据块
|
||||
** 输 入: CH438寄存器地址,数据块长度,数据缓冲区地址
|
||||
**
|
||||
** 输 出: 无
|
||||
**
|
||||
** 日 期: 2011年8月26日
|
||||
**-------------------------------------------------------------------------------------------------------
|
||||
** 修改人:
|
||||
** 日 期:
|
||||
**-------------------------------------------------------------------------------------------------------
|
||||
********************************************************************************************************/
|
||||
/****************************************************************************
|
||||
* Name: WriteCH438Block
|
||||
*
|
||||
* Description:
|
||||
* Write data block from ch438 address
|
||||
*
|
||||
****************************************************************************/
|
||||
static void WriteCH438Block(uint8_t mAddr, uint8_t mLen, uint8_t *mBuf)
|
||||
{
|
||||
|
||||
while (mLen--)
|
||||
WriteCH438Data(mAddr, *mBuf++);
|
||||
|
||||
}
|
||||
|
||||
|
||||
///*********************************************************************************************************
|
||||
//** 函数名称: CH438UARTSend
|
||||
//** 功能描述: 功能函数，启用FIFO模式, 用于CH438串口0 发送多字节数据 单次最多发送128字节数据
|
||||
//** 输 入: 发送数据缓冲区地址, 发送数据块长度
|
||||
//**
|
||||
//** 输 出: 无
|
||||
//**
|
||||
//** 日 期: 2011年8月26日
|
||||
//**-------------------------------------------------------------------------------------------------------
|
||||
//** 修改人:
|
||||
//** 日 期:
|
||||
//**-------------------------------------------------------------------------------------------------------
|
||||
//********************************************************************************************************/
|
||||
/****************************************************************************
|
||||
* 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;
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*********************************************************************************************************
|
||||
** 函数名称: CH438UARTRcv
|
||||
** 功能描述: 功能函数，禁用FIFO模式, 用于CH438串口0 接收多字节数据
|
||||
** 输 入: 接收数据缓冲区地址
|
||||
**
|
||||
** 输 出: 接收数据长度
|
||||
**
|
||||
** 日 期: 2011年8月26日
|
||||
**-------------------------------------------------------------------------------------------------------
|
||||
** 修改人:
|
||||
** 日 期:
|
||||
**-------------------------------------------------------------------------------------------------------
|
||||
********************************************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: CH438UARTRcv
|
||||
*
|
||||
* Description:
|
||||
* Disable FIFO mode for ch438 serial port to receive multi byte data
|
||||
*
|
||||
****************************************************************************/
|
||||
uint8_t CH438UARTRcv(uint8_t ext_uart_no, uint8_t* buf)
|
||||
{
|
||||
uint8_t RcvNum = 0;
|
||||
uint8_t dat = 0;
|
||||
uint8_t REG_LSR_ADDR,REG_RBR_ADDR;
|
||||
uint8_t *p_rev;
|
||||
|
||||
p_rev = buf;
|
||||
|
||||
REG_LSR_ADDR = offsetadd[ext_uart_no] | REG_LSR0_ADDR;
|
||||
REG_RBR_ADDR = offsetadd[ext_uart_no] | REG_RBR0_ADDR;
|
||||
|
||||
|
||||
// if( !( ReadCH438Data( REG_LSR_ADDR ) & ( BIT_LSR_BREAKINT | BIT_LSR_FRAMEERR | BIT_LSR_PARERR | BIT_LSR_OVERR ) ) ) /* b1-b4无错误 */
|
||||
// if( !( dat & ( BIT_LSR_BREAKINT | BIT_LSR_FRAMEERR | BIT_LSR_PARERR | BIT_LSR_OVERR ) ) ) /* b1-b4无错误 */ 不用管这有没有错误，只管 DATAREADY
|
||||
{
|
||||
|
||||
while((ReadCH438Data(REG_LSR_ADDR) & BIT_LSR_DATARDY) == 0 ); /* 等待数据准备好 */
|
||||
|
||||
while((ReadCH438Data(REG_LSR_ADDR) & BIT_LSR_DATARDY) == 0x01 )
|
||||
{
|
||||
|
||||
// *buf++ = ReadCH438Data( REG_RBR_ADDR ); /* 从接收缓冲寄存器读出数据 */
|
||||
dat = ReadCH438Data(REG_RBR_ADDR);
|
||||
|
||||
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)
|
||||
buff_ptr[ext_uart_no] = 0;
|
||||
|
||||
RcvNum = RcvNum + 1;
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
// else ReadCH438Data( REG_RBR_ADDR );
|
||||
|
||||
return( RcvNum );
|
||||
return RcvNum;
|
||||
}
|
||||
|
|
@ -299,19 +299,10 @@
|
|||
GPIO_PORT1 | GPIO_PIN29)
|
||||
|
||||
|
||||
static void ImxrtCH438Init(void);
|
||||
static void CH438PortInit( uint8_t ext_uart_no,uint32_t baud_rate );
|
||||
static void CH438SetOutput(void);
|
||||
static void CH438SetInput(void);
|
||||
static uint8_t ReadCH438Data( uint8_t addr );
|
||||
static void WriteCH438Data( uint8_t addr, uint8_t dat);
|
||||
static void WriteCH438Block( uint8_t mAddr, uint8_t mLen, uint8_t *mBuf ) ;
|
||||
|
||||
void CH438UARTSend(uint8_t ext_uart_no,uint8_t *Data, uint8_t Num);
|
||||
static uint8_t CH438UARTRcv( uint8_t ext_uart_no, uint8_t* buf );
|
||||
|
||||
void Ch438InitDefault(void);
|
||||
void ch438_irq_enable(void);
|
||||
void *ImxrtCh438ReadData(void *parameter);
|
||||
|
||||
void ImxrtCh438ReadData(void *parameter);
|
||||
int getInterruptStatus(int argc, char **argv);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue