add g_uart_selected array for ch438

This commit is contained in:
wgzAIIT 2022-05-12 11:00:55 +08:00
parent 52aa3c5abd
commit 00e0a48ee7
2 changed files with 82 additions and 46 deletions

View File

@ -36,8 +36,6 @@ void CH438Demo(void)
char buffer[256];
int readlen;
// while(1)
// {
fd = open("/dev/extuart_dev3", O_RDWR);
m0fd = open("/dev/gpout0", O_RDWR);
m1fd = open("/dev/gpout1", O_RDWR);
@ -82,6 +80,5 @@ void CH438Demo(void)
}
close(fd);
// }
}

View File

@ -53,8 +53,8 @@ static int ch438_register(FAR const char *devpath, uint8_t ext_uart_no);
****************************************************************************/
struct ch438_dev_s
{
sem_t devsem; /* ch438 port devsem */
uint8_t port; /* ch438 port number*/
sem_t devsem; /* ch438 port devsem */
uint8_t port; /* ch438 port number*/
};
/****************************************************************************
@ -64,27 +64,56 @@ struct ch438_dev_s
/*mutex of corresponding port*/
static pthread_mutex_t mutex[CH438PORTNUM] =
{
PTHREAD_MUTEX_INITIALIZER,
PTHREAD_MUTEX_INITIALIZER,
PTHREAD_MUTEX_INITIALIZER,
PTHREAD_MUTEX_INITIALIZER,
PTHREAD_MUTEX_INITIALIZER,
PTHREAD_MUTEX_INITIALIZER,
PTHREAD_MUTEX_INITIALIZER,
PTHREAD_MUTEX_INITIALIZER
PTHREAD_MUTEX_INITIALIZER,
PTHREAD_MUTEX_INITIALIZER,
PTHREAD_MUTEX_INITIALIZER,
PTHREAD_MUTEX_INITIALIZER,
PTHREAD_MUTEX_INITIALIZER,
PTHREAD_MUTEX_INITIALIZER,
PTHREAD_MUTEX_INITIALIZER,
PTHREAD_MUTEX_INITIALIZER
};
/* Condition variable of corresponding port */
static pthread_cond_t cond[CH438PORTNUM] =
{
PTHREAD_COND_INITIALIZER,
PTHREAD_COND_INITIALIZER,
PTHREAD_COND_INITIALIZER,
PTHREAD_COND_INITIALIZER,
PTHREAD_COND_INITIALIZER,
PTHREAD_COND_INITIALIZER,
PTHREAD_COND_INITIALIZER,
PTHREAD_COND_INITIALIZER
PTHREAD_COND_INITIALIZER,
PTHREAD_COND_INITIALIZER,
PTHREAD_COND_INITIALIZER,
PTHREAD_COND_INITIALIZER,
PTHREAD_COND_INITIALIZER,
PTHREAD_COND_INITIALIZER,
PTHREAD_COND_INITIALIZER,
PTHREAD_COND_INITIALIZER
};
/* This array shows whether the current serial port is selected */
static bool const g_uart_selected[CH438PORTNUM] =
{
#ifdef CONFIG_CH438_EXTUART0
[0] = true,
#endif
#ifdef CONFIG_CH438_EXTUART1
[1] = true,
#endif
#ifdef CONFIG_CH438_EXTUART2
[2] = true,
#endif
#ifdef CONFIG_CH438_EXTUART3
[3] = true,
#endif
#ifdef CONFIG_CH438_EXTUART4
[4] = true,
#endif
#ifdef CONFIG_CH438_EXTUART5
[5] = true,
#endif
#ifdef CONFIG_CH438_EXTUART6
[6] = true,
#endif
#ifdef CONFIG_CH438_EXTUART7
[7] = true,
#endif
};
/* ch438 Callback work queue structure */
@ -108,13 +137,13 @@ static volatile bool g_ch438open[CH438PORTNUM] = {false,false,false,false,false,
/* Ch438 POSIX interface */
static const struct file_operations g_ch438fops =
{
ch438_open,
ch438_close,
ch438_read,
ch438_write,
NULL,
ch438_ioctl,
NULL
ch438_open,
ch438_close,
ch438_read,
ch438_write,
NULL,
ch438_ioctl,
NULL
};
/****************************************************************************
@ -135,7 +164,7 @@ static FAR void getInterruptStatus(FAR void *arg)
{
for(i = 0; i < CH438PORTNUM; i++)
{
if(gInterruptStatus & Interruptnum[i])
if(g_uart_selected[i] && (gInterruptStatus & Interruptnum[i]))
{
pthread_mutex_lock(&mutex[i]);
done[i] = true;
@ -183,7 +212,7 @@ static 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);
}
/****************************************************************************
@ -214,13 +243,13 @@ static uint8_t ReadCH438Data(uint8_t addr)
up_udelay(1);
imxrt_gpio_write(CH438_ALE_PIN, false);
imxrt_gpio_write(CH438_ALE_PIN, false);
up_udelay(1);
CH438SetInput();
up_udelay(1);
imxrt_gpio_write(CH438_NRD_PIN, false);
imxrt_gpio_write(CH438_NRD_PIN, false);
up_udelay(1);
if (imxrt_gpio_read(CH438_D7_PIN_INPUT)) dat |= 0x80;
@ -232,8 +261,8 @@ static uint8_t ReadCH438Data(uint8_t addr)
if (imxrt_gpio_read(CH438_D1_PIN_INPUT)) dat |= 0x02;
if (imxrt_gpio_read(CH438_D0_PIN_INPUT)) dat |= 0x01;
imxrt_gpio_write(CH438_NRD_PIN, true);
imxrt_gpio_write(CH438_ALE_PIN, true);
imxrt_gpio_write(CH438_NRD_PIN, true);
imxrt_gpio_write(CH438_ALE_PIN, true);
up_udelay(1);
return dat;
@ -263,12 +292,12 @@ static void WriteCH438Data(uint8_t addr, uint8_t dat)
if(addr &0x04) imxrt_gpio_write(CH438_D2_PIN_OUT, true); else imxrt_gpio_write(CH438_D2_PIN_OUT, false);
if(addr &0x02) imxrt_gpio_write(CH438_D1_PIN_OUT, true); else imxrt_gpio_write(CH438_D1_PIN_OUT, false);
if(addr &0x01) imxrt_gpio_write(CH438_D0_PIN_OUT, true); else imxrt_gpio_write(CH438_D0_PIN_OUT, false);
up_udelay(1);
imxrt_gpio_write(CH438_ALE_PIN, false);
up_udelay(1);
if(dat &0x80) imxrt_gpio_write(CH438_D7_PIN_OUT, true); else imxrt_gpio_write(CH438_D7_PIN_OUT, false);
if(dat &0x40) imxrt_gpio_write(CH438_D6_PIN_OUT, true); else imxrt_gpio_write(CH438_D6_PIN_OUT, false);
if(dat &0x20) imxrt_gpio_write(CH438_D5_PIN_OUT, true); else imxrt_gpio_write(CH438_D5_PIN_OUT, false);
@ -394,7 +423,7 @@ static void ImxrtCH438Init(void)
imxrt_gpio_write(CH438_NWR_PIN,true);
imxrt_gpio_write(CH438_NRD_PIN,true);
imxrt_gpio_write(CH438_ALE_PIN,true);
}
}
/****************************************************************************
* Name: CH438PortInit
@ -413,18 +442,18 @@ static void CH438PortInit(uint8_t ext_uart_no, uint32_t baud_rate)
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);
@ -455,7 +484,7 @@ static void CH438PortInit(uint8_t ext_uart_no, uint32_t baud_rate)
WriteCH438Data(REG_MCR_ADDR, BIT_MCR_OUT2);
/* release the data in FIFO */
WriteCH438Data(REG_FCR_ADDR, ReadCH438Data(REG_FCR_ADDR)| BIT_FCR_TFIFORST);
WriteCH438Data(REG_FCR_ADDR, ReadCH438Data(REG_FCR_ADDR)| BIT_FCR_TFIFORST);
}
/****************************************************************************
@ -483,8 +512,8 @@ static int ImxrtCh438WriteData(uint8_t ext_uart_no, char *write_buffer, size_t s
{
Ch438UartSend(ext_uart_no, write_buffer + i * 256, 256);
}
}
else
}
else
{
write_index = 0;
while(write_len_continue > 256)
@ -496,7 +525,7 @@ static int ImxrtCh438WriteData(uint8_t ext_uart_no, char *write_buffer, size_t s
Ch438UartSend(ext_uart_no, write_buffer + write_index * 256, write_len_continue);
}
}
else
else
{
Ch438UartSend(ext_uart_no, write_buffer, write_len);
}
@ -530,7 +559,7 @@ static size_t ImxrtCh438ReadData(uint8_t ext_uart_no, size_t size)
/* Read the interrupt status of the serial port */
InterruptStatus = ReadCH438Data(REG_IIR_ADDR) & 0x0f;
ch438info("InterruptStatus is %d\n", InterruptStatus);
switch(InterruptStatus)
{
case INT_NOINT: /* no interrupt */
@ -572,6 +601,11 @@ static void Ch438InitDefault(void)
/* Initialize the mutex */
for(i = 0; i < CH438PORTNUM; i++)
{
if(!g_uart_selected[i])
{
continue;
}
ret = pthread_mutex_init(&mutex[i], NULL);
if(ret != 0)
{
@ -582,13 +616,18 @@ static void Ch438InitDefault(void)
/* Initialize the condition variable */
for(i = 0; i < CH438PORTNUM; i++)
{
if(!g_uart_selected[i])
{
continue;
}
ret = pthread_cond_init(&cond[i], NULL);
if(ret != 0)
{
ch438err("pthread_cond_init failed, status=%d\n", ret);
}
}
ImxrtCH438Init();
CH438PortInit(0,115200);
CH438PortInit(1,115200);