diff --git a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/ch438_demo.c b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/ch438_demo.c index 94641eba8..0297b5a6e 100644 --- a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/ch438_demo.c +++ b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/ch438_demo.c @@ -22,11 +22,13 @@ * Included Files ****************************************************************************/ + #include #include #include #include +#include #include #include @@ -39,7 +41,6 @@ #include #include #include -#include #include "imxrt_ch438.h" @@ -48,16 +49,22 @@ void CH438Demo(void) { - int i=0; - syslog(LOG_INFO,"ch438_main\n"); + _info("ch438_main\n"); Ch438InitDefault(); - ch438_irq_enable(); up_mdelay(1000); while(1) { CH438UARTSend(2,"AT+BAUD=?",9); - syslog(LOG_INFO,"send success\n"); ImxrtCh438ReadData(NULL); - up_mdelay(2000); + up_mdelay(1000); + CH438UARTSend(2,"AT+NAME=?",9); + ImxrtCh438ReadData(NULL); + up_mdelay(1000); + CH438UARTSend(2,"AT+ADDR=?",9); + ImxrtCh438ReadData(NULL); + up_mdelay(1000); + CH438UARTSend(2,"AT+MODE=?",9); + ImxrtCh438ReadData(NULL); + up_mdelay(1000); } } diff --git a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.c b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.c index 1d6031da4..b88bf353c 100644 --- a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.c +++ b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.c @@ -22,7 +22,6 @@ #include #include -#include #include #include @@ -41,25 +40,81 @@ #include #include #include +#include +#include +#include + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/* Semaphore for receiving data */ + +static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;; +static pthread_cond_t cond = PTHREAD_COND_INITIALIZER; +volatile int done = 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 gInterruptStatus; -static pthread_t thr_438; -struct sched_param param; -pthread_attr_t attr = PTHREAD_ATTR_INITIALIZER; +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ +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); +static uint8_t CH438UARTRcv(uint8_t ext_uart_no, uint8_t* buf); -static char thr_438_stack[1024]; +/**************************************************************************** + * Public and Private Functions + ****************************************************************************/ - -static sem_t sem_438; /* 用于接收的信号量 */ -/* ch438中断回调函数 */ -static int Ch438Irq(int irq, FAR void *context, FAR void *arg) +/**************************************************************************** + * Name: getInterruptStatus + * + * Description: + * thread task getInterruptStatus + * + ****************************************************************************/ +int getInterruptStatus(int argc, char **argv) { - sem_post(&sem_438); - up_mdelay(500); - return OK; + int ext_uart_no = 2; + while(1) + { + pthread_mutex_lock(&mutex); + gInterruptStatus = ReadCH438Data(REG_SSR_ADDR); + if(!gInterruptStatus) + { + pthread_mutex_unlock(&mutex); + continue; + } + if(gInterruptStatus & Interruptnum[ext_uart_no]) + { + done = 1; + pthread_cond_signal(&cond); + pthread_mutex_unlock(&mutex); + } + } } +/**************************************************************************** + * Name: CH438SetOutput + * + * Description: + * Configure pin mode to output + * + ****************************************************************************/ void CH438SetOutput(void) { imxrt_config_gpio(CH438_D0_PIN_OUT); @@ -72,6 +127,14 @@ void CH438SetOutput(void) imxrt_config_gpio(CH438_D7_PIN_OUT); } + +/**************************************************************************** + * Name: CH438SetInput + * + * Description: + * Configure pin mode to input + * + ****************************************************************************/ void CH438SetInput(void) { imxrt_config_gpio(CH438_D0_PIN_INPUT); @@ -81,125 +144,105 @@ void CH438SetInput(void) imxrt_config_gpio(CH438_D4_PIN_INPUT); imxrt_config_gpio(CH438_D5_PIN_INPUT); imxrt_config_gpio(CH438_D6_PIN_INPUT); - imxrt_config_gpio(CH438_D7_PIN_INPUT); - + imxrt_config_gpio(CH438_D7_PIN_INPUT); } - -static uint8_t RevLen ,buff[8][128],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 */ - -void* ImxrtCh438ReadData(void *parameter) +/**************************************************************************** + * Name: ImxrtCh438ReadData + * + * Description: + * Read data from ch438 port + * + ****************************************************************************/ +void ImxrtCh438ReadData(void *parameter) { int result, i; - uint8_t gInterruptStatus; uint8_t InterruptStatus; uint8_t ext_uart_no; - static uint8_t dat; - uint8_t REG_LCR_ADDR; - uint8_t REG_DLL_ADDR; - uint8_t REG_DLM_ADDR; - uint8_t REG_IER_ADDR; - uint8_t REG_MCR_ADDR; - uint8_t REG_FCR_ADDR; - uint8_t REG_RBR_ADDR; - uint8_t REG_THR_ADDR; uint8_t REG_IIR_ADDR; uint8_t REG_LSR_ADDR; uint8_t REG_MSR_ADDR; - // struct timespec abstime; - // abstime.tv_sec = 2; - // while (1) - // { - syslog(LOG_INFO, "sem_438 is %d\n",sem_438.semcount); - result = sem_wait(&sem_438); - if (result == OK) - { - gInterruptStatus = ReadCH438Data( REG_SSR_ADDR ); - syslog(LOG_INFO,"gInterruptStatus is %d\n", gInterruptStatus); - if(!gInterruptStatus) - { - - } - else - { - // for(ext_uart_no=0; ext_uart_no<8; ext_uart_no++) - // { - ext_uart_no = 2; - if( gInterruptStatus & Interruptnum[ext_uart_no] ) /* 检测哪个串口发生中断 */ - { - - REG_LCR_ADDR = offsetadd[ext_uart_no] | REG_LCR0_ADDR; - REG_DLL_ADDR = offsetadd[ext_uart_no] | REG_DLL0_ADDR; - REG_DLM_ADDR = offsetadd[ext_uart_no] | REG_DLM0_ADDR; - 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; - 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 */ - syslog(LOG_INFO,"InterruptStatus is %d\n", InterruptStatus); - - switch( InterruptStatus ) - { - case INT_NOINT: /* 没有中断 */ - break; - case INT_THR_EMPTY: /* THR空中断 */ -// ReadCH438Data( REG_IIR_ADDR ); - 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> 4 ) / baud_rate; DLM = div >> 8; DLL = div & 0xff; - 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_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 */ - + 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 */ + 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: -**------------------------------------------------------------------------------------------------------- -********************************************************************************************************/ -static uint8_t ReadCH438Data( uint8_t addr ) +/**************************************************************************** + * 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; @@ -397,8 +377,15 @@ static uint8_t ReadCH438Data( uint8_t addr ) return dat; } - -static void WriteCH438Data( uint8_t addr, uint8_t dat) + +/**************************************************************************** + * Name: WriteCH438Data + * + * Description: + * write data to ch438 address + * + ****************************************************************************/ +static void WriteCH438Data(uint8_t addr, uint8_t dat) { imxrt_gpio_write(CH438_ALE_PIN, true); imxrt_gpio_write(CH438_NRD_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: -**------------------------------------------------------------------------------------------------------- -********************************************************************************************************/ -static void WriteCH438Block( uint8_t mAddr, uint8_t mLen, uint8_t *mBuf ) +/**************************************************************************** + * 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++ ); - + 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: -//**------------------------------------------------------------------------------------------------------- -//********************************************************************************************************/ -void CH438UARTSend( uint8_t ext_uart_no, uint8_t *Data, uint8_t Num ) +/**************************************************************************** + * 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; - REG_LSR_ADDR = offsetadd[ext_uart_no] | REG_LSR0_ADDR; - REG_THR_ADDR = offsetadd[ext_uart_no] | REG_THR0_ADDR; - - while( 1 ) + 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 ) + 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 ); - + WriteCH438Block(REG_THR_ADDR, Num, Data); break; - } - else { - - WriteCH438Block( REG_THR_ADDR, 128, Data ); - + 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: -**------------------------------------------------------------------------------------------------------- -********************************************************************************************************/ - -uint8_t CH438UARTRcv( uint8_t ext_uart_no, uint8_t* buf ) +/**************************************************************************** + * 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 - { + REG_LSR_ADDR = offsetadd[ext_uart_no] | REG_LSR0_ADDR; + REG_RBR_ADDR = offsetadd[ext_uart_no] | REG_RBR0_ADDR; - 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 ); + 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 ) + { + 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; + } + return RcvNum; } \ No newline at end of file diff --git a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.h b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.h index 05d1593b6..ba94979af 100644 --- a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.h +++ b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.h @@ -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 CH438UARTSend(uint8_t ext_uart_no,uint8_t *Data, uint8_t Num); void Ch438InitDefault(void); -void ch438_irq_enable(void); - void *ImxrtCh438ReadData(void *parameter); - +void ImxrtCh438ReadData(void *parameter); +int getInterruptStatus(int argc, char **argv); #endif