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 c859645f9..3c71e49d4 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 @@ -21,27 +21,30 @@ #include "imxrt_ch438.h" #define CH438PORTNUM 8 -#define BUFFERSIZE 128 +#define CH438_BUFFSIZE 256 /**************************************************************************** * Private Function Prototypes ****************************************************************************/ -static void ImxrtCH438Init(void); -static void CH438PortInit(uint8_t ext_uart_no, uint32_t baud_rate); +static int getInterruptStatus(int argc, char **argv); 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, char *mBuf); -static uint8_t CH438UARTRcv(uint8_t ext_uart_no, char *buf); +static void Ch438UartSend(uint8_t ext_uart_no, char *Data, uint16_t Num); +uint8_t CH438UARTRcv(uint8_t ext_uart_no, char* buf); +static void ImxrtCH438Init(void); +static void CH438PortInit(uint8_t ext_uart_no, uint32_t baud_rate); +static int ImxrtCh438WriteData(uint8_t ext_uart_no, char *write_buffer, size_t size); static size_t ImxrtCh438ReadData(uint8_t ext_uart_no); -static void CH438UARTSend(uint8_t ext_uart_no, char *Data, uint8_t Num); - +static void Ch438InitDefault(void); static int ch438_open(FAR struct file *filep); static int ch438_close(FAR struct file *filep); static ssize_t ch438_read(FAR struct file *filep, FAR char *buffer, size_t buflen); static ssize_t ch438_write(FAR struct file *filep, FAR const char *buffer, size_t buflen); +static int ch438_register(FAR const char *devpath, uint8_t ext_uart_no); /**************************************************************************** * Private type @@ -80,7 +83,7 @@ static pthread_cond_t cond[CH438PORTNUM] = volatile int done[CH438PORTNUM] = {0}; -static char buff[CH438PORTNUM][BUFFERSIZE]; +static char buff[CH438PORTNUM][CH438_BUFFSIZE]; 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 */ @@ -106,7 +109,7 @@ static const struct file_operations g_ch438fops = * thread task getInterruptStatus * ****************************************************************************/ -int getInterruptStatus(int argc, char **argv) +static int getInterruptStatus(int argc, char **argv) { uint8_t ext_uart_no = 0; while(1) @@ -148,7 +151,6 @@ static void CH438SetOutput(void) imxrt_config_gpio(CH438_D5_PIN_OUT); imxrt_config_gpio(CH438_D6_PIN_OUT); imxrt_config_gpio(CH438_D7_PIN_OUT); - } /**************************************************************************** @@ -170,73 +172,6 @@ static void CH438SetInput(void) imxrt_config_gpio(CH438_D7_PIN_INPUT); } -/**************************************************************************** - * Name: ImxrtCH438Init - * - * Description: - * ch438 initialization - * - ****************************************************************************/ -static void ImxrtCH438Init(void) -{ - CH438SetOutput(); - imxrt_config_gpio(CH438_NWR_PIN); - imxrt_config_gpio(CH438_NRD_PIN); - imxrt_config_gpio(CH438_ALE_PIN); - - imxrt_gpio_write(CH438_NWR_PIN,true); - imxrt_gpio_write(CH438_NRD_PIN,true); - imxrt_gpio_write(CH438_ALE_PIN,true); -} - -/**************************************************************************** - * Name: CH438PortInit - * - * Description: - * ch438 port initialization - * - ****************************************************************************/ -static void CH438PortInit(uint8_t ext_uart_no, uint32_t baud_rate) -{ - uint32_t div; - uint8_t DLL,DLM,dlab; - 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; - - 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; - - WriteCH438Data(REG_IER_ADDR, BIT_IER_RESET); /* 复位该串口 */ - up_mdelay(50); - - dlab = ReadCH438Data(REG_IER_ADDR); - dlab &= 0xDF; - WriteCH438Data(REG_IER_ADDR, dlab); - - dlab = ReadCH438Data(REG_LCR_ADDR); - dlab |= 0x80; //置LCR寄存器DLAB位为1 - WriteCH438Data(REG_LCR_ADDR, dlab); - - div = ( Fpclk >> 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 */ - 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 */ -} - /**************************************************************************** * Name: ReadCH438Data * @@ -288,7 +223,6 @@ static uint8_t ReadCH438Data(uint8_t addr) up_udelay(1); return dat; - } /**************************************************************************** @@ -357,6 +291,37 @@ static void WriteCH438Block(uint8_t mAddr, uint8_t mLen, char *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 + * + ****************************************************************************/ +static void Ch438UartSend(uint8_t ext_uart_no, char *Data, uint16_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 <= CH438_BUFFSIZE) + { + WriteCH438Block(REG_THR_ADDR, Num, Data); + break; + } + else + { + WriteCH438Block(REG_THR_ADDR, 128, Data); + Num -= CH438_BUFFSIZE; + Data += CH438_BUFFSIZE; + } + } +} + /**************************************************************************** * Name: CH438UARTRcv * @@ -373,14 +338,15 @@ uint8_t CH438UARTRcv(uint8_t ext_uart_no, char* buf) 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 */ + /* Wait for the data to be ready */ + while((ReadCH438Data(REG_LSR_ADDR) & BIT_LSR_DATARDY) == 0 ); 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] == BUFFERSIZE) + if (buff_ptr[ext_uart_no] == CH438_BUFFSIZE) buff_ptr[ext_uart_no] = 0; RcvNum = RcvNum + 1; } @@ -388,34 +354,130 @@ uint8_t CH438UARTRcv(uint8_t ext_uart_no, char* buf) } /**************************************************************************** - * Name: CH438UARTSend + * Name: ImxrtCH438Init * * 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 + * ch438 initialization * - ****************************************************************************/ -static void CH438UARTSend(uint8_t ext_uart_no, char *Data, uint8_t Num) + ****************************************************************************/ +static void ImxrtCH438Init(void) { - 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; + CH438SetOutput(); + imxrt_config_gpio(CH438_NWR_PIN); + imxrt_config_gpio(CH438_NRD_PIN); + imxrt_config_gpio(CH438_ALE_PIN); - 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; - } - } + imxrt_gpio_write(CH438_NWR_PIN,true); + imxrt_gpio_write(CH438_NRD_PIN,true); + imxrt_gpio_write(CH438_ALE_PIN,true); +} + +/**************************************************************************** + * Name: CH438PortInit + * + * Description: + * ch438 port initialization + * + ****************************************************************************/ +static void CH438PortInit(uint8_t ext_uart_no, uint32_t baud_rate) +{ + uint32_t div; + uint8_t DLL,DLM,dlab; + 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; + + 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; + + /* reset the uart */ + WriteCH438Data(REG_IER_ADDR, BIT_IER_RESET); + up_mdelay(50); + + dlab = ReadCH438Data(REG_IER_ADDR); + dlab &= 0xDF; + WriteCH438Data(REG_IER_ADDR, dlab); + + /* set LCR register DLAB bit 1 */ + dlab = ReadCH438Data(REG_LCR_ADDR); + dlab |= 0x80; + WriteCH438Data(REG_LCR_ADDR, dlab); + + div = ( Fpclk >> 4 ) / baud_rate; + DLM = div >> 8; + DLL = div & 0xff; + + /* set bps */ + WriteCH438Data(REG_DLL_ADDR, DLL); + WriteCH438Data(REG_DLM_ADDR, DLM); + + /* set FIFO mode, 112 bytes */ + WriteCH438Data(REG_FCR_ADDR, BIT_FCR_RECVTG1 | BIT_FCR_RECVTG0 | BIT_FCR_FIFOEN); + + /* 8 bit word size, 1 bit stop bit, no crc */ + WriteCH438Data(REG_LCR_ADDR, BIT_LCR_WORDSZ1 | BIT_LCR_WORDSZ0); + + /* enable interrupt */ + WriteCH438Data(REG_IER_ADDR, BIT_IER_IERECV); + + /* allow interrupt output, DTR and RTS is 1 */ + WriteCH438Data(REG_MCR_ADDR, BIT_MCR_OUT2); + + /* release the data in FIFO */ + WriteCH438Data(REG_FCR_ADDR, ReadCH438Data(REG_FCR_ADDR)| BIT_FCR_TFIFORST); +} + +/**************************************************************************** + * Name: ImxrtCh438ReadData + * + * Description: + * Read data from ch438 port + * + ****************************************************************************/ +static int ImxrtCh438WriteData(uint8_t ext_uart_no, char *write_buffer, size_t size) +{ + int write_len, write_len_continue; + int i, write_index; + DEBUGASSERT(write_buffer != NULL); + + write_len = size;; + write_len_continue = size; + + if (write_len > CH438_BUFFSIZE) + { + if (0 == write_len % CH438_BUFFSIZE) + { + write_index = write_len / CH438_BUFFSIZE; + for (i = 0; i < write_index; i ++) + { + Ch438UartSend(ext_uart_no, write_buffer + i * CH438_BUFFSIZE, CH438_BUFFSIZE); + } + } + else + { + write_index = 0; + while (write_len_continue > CH438_BUFFSIZE) + { + Ch438UartSend(ext_uart_no, write_buffer + write_index * CH438_BUFFSIZE, CH438_BUFFSIZE); + write_index++; + write_len_continue = write_len - write_index * CH438_BUFFSIZE; + } + Ch438UartSend(ext_uart_no, write_buffer + write_index * CH438_BUFFSIZE, write_len_continue); + } + } + else + { + Ch438UartSend(ext_uart_no, write_buffer, write_len); + } + + return 0; } /**************************************************************************** @@ -478,7 +540,7 @@ static size_t ImxrtCh438ReadData(uint8_t ext_uart_no) * Ch438 default initialization function * ****************************************************************************/ -void Ch438InitDefault(void) +static void Ch438InitDefault(void) { int ret, i; @@ -566,7 +628,7 @@ static ssize_t ch438_read(FAR struct file *filep, FAR char *buffer, size_t bufle DEBUGASSERT(port >= 0 && port < CH438PORTNUM); length = ImxrtCh438ReadData(port); - memcpy(buffer, buff[port], buflen); + memcpy(buffer, buff[port], length); if (length > buflen) { @@ -586,7 +648,7 @@ static ssize_t ch438_write(FAR struct file *filep, FAR const char *buffer, size_ uint8_t port = priv->port; DEBUGASSERT(port >= 0 && port < CH438PORTNUM); - CH438UARTSend(port, buffer, buflen); + ImxrtCh438WriteData(port, buffer, buflen); return buflen; } @@ -599,7 +661,7 @@ static ssize_t ch438_write(FAR struct file *filep, FAR const char *buffer, size_ * Register /dev/ext_uartN * ****************************************************************************/ -int ch438_register(FAR const char *devpath, uint8_t port) +static int ch438_register(FAR const char *devpath, uint8_t port) { FAR struct ch438_dev_s *priv; int ret = 0; 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 7c6c78968..f9403db9b 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 @@ -356,9 +356,6 @@ * Public Function Prototypes ****************************************************************************/ #ifdef CONFIG_BSP_USING_CH438 -int getInterruptStatus(int argc, char **argv); -void Ch438InitDefault(void); -int ch438_register(FAR const char *devpath,uint8_t port); int board_ch438_initialize(void); #endif