void vMBPortSerialEnable(BOOL xRxEnable, BOOL xTxEnable)
{
rt_uint32_t recved_event;
if (xRxEnable)
{
/* enable RX interrupt */
serial->ops->control(serial, RT_DEVICE_CTRL_SET_INT, (void *)RT_DEVICE_FLAG_INT_RX);
/* switch 485 to receive mode */
rt_pin_write(MODBUS_SLAVE_RT_CONTROL_PIN_INDEX, PIN_HIGH);//PIN_LOW);
}
else
{
/* switch 485 to transmit mode */
rt_pin_write(MODBUS_SLAVE_RT_CONTROL_PIN_INDEX, PIN_LOW);//PIN_HIGH);
/* disable RX interrupt */
serial->ops->control(serial, RT_DEVICE_CTRL_CLR_INT, (void *)RT_DEVICE_FLAG_INT_RX);
}
if (xTxEnable)
{
/* start serial transmit */
rt_event_send(&event_serial, EVENT_SERIAL_TRANS_START);
}
else
{
/* stop serial transmit */
rt_event_recv(&event_serial, EVENT_SERIAL_TRANS_START,
RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR, 0,
&recved_event);
}
}
void led_thread_entry(void* parameter)
{
rt_pin_mode(PINRX, GPIO_MODE_OUTPUT_PP);
rt_pin_mode(PINTX, GPIO_MODE_OUTPUT_PP);
rt_pin_write(PINRX,1);
rt_pin_write(PINTX,0);
while(1)
{
rt_thread_delay(RT_TICK_PER_SECOND);
rt_pin_write(PINRX,rt_pin_read(PINRX)?0:1);
rt_pin_write(PINTX,rt_pin_read(PINTX)?0:1);
}
}
int main(void)
{
int count = 1;
/* set LED0 pin mode to output */
rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
while (count++)
{
rt_pin_write(LED0_PIN, PIN_HIGH);
rt_thread_mdelay(500);
rt_pin_write(LED0_PIN, PIN_LOW);
rt_thread_mdelay(500);
}
return RT_EOK;
}
/**
* @brief Turns off the requested LED.
*
* @param LEDNum is the LED number for the light to turn off.
*
* This function turns off a single LED.
*
* @return None.
*/
void rt_hw_led_off(rt_uint8_t LEDNum)
{
#ifdef RT_USING_PIN
if(LEDNum == 0)
rt_pin_write(AM_GPIO_LED0, PIN_HIGH);
else if(LEDNum == 1)
rt_pin_write(AM_GPIO_LED1, PIN_HIGH);
else if(LEDNum == 2)
rt_pin_write(AM_GPIO_LED2, PIN_HIGH);
else if(LEDNum == 3)
rt_pin_write(AM_GPIO_LED3, PIN_HIGH);
#endif
}
static rt_uint32_t spixfer(struct rt_spi_device *device, struct rt_spi_message *message)
{
rt_err_t res;
RT_ASSERT(device != RT_NULL);
RT_ASSERT(device->bus != RT_NULL);
RT_ASSERT(device->bus->parent.user_data != RT_NULL);
struct stm32_spi * hspi = (struct stm32_spi *)device->bus->parent.user_data;
struct stm32_hw_spi_cs *cs = device->parent.user_data;
if (message->cs_take)
{
rt_pin_write(cs->pin, 0);
}
const rt_uint8_t *sndb = message->send_buf;
rt_uint8_t *rcvb = message->recv_buf;
rt_int32_t length = message->length;
while (length)
{
res = spitxrx1b(hspi, rcvb, sndb);
if (rcvb)
{
rcvb += SPISTEP(hspi->cfg->data_width);
}
if (sndb)
{
sndb += SPISTEP(hspi->cfg->data_width);
}
if (res != RT_EOK)
{
break;
}
length--;
}
/* Wait until Busy flag is reset before disabling SPI */
while (__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_BSY) == SET)
;
if (message->cs_release)
{
rt_pin_write(cs->pin, 1);
}
return message->length - length;
}
//cannot be used before completion init
rt_err_t stm32_spi_bus_attach_device(rt_uint32_t pin,const char * bus_name,const char * device_name)
{
struct rt_spi_device * spi_device = (struct rt_spi_device *)rt_malloc(sizeof(struct rt_spi_device));
RT_ASSERT(spi_device != RT_NULL);
struct stm32_hw_spi_cs * cs_pin = (struct stm32_hw_spi_cs *)rt_malloc(sizeof(struct stm32_hw_spi_cs));
RT_ASSERT(cs_pin != RT_NULL);
cs_pin->pin = pin;
rt_pin_mode(pin,PIN_MODE_OUTPUT);
rt_pin_write(pin, 1);
return rt_spi_bus_attach_device(spi_device, device_name, bus_name, (void *)cs_pin);
}
/**
* @brief This function attach device to QSPI bus.
* @param device_name QSPI device name
* @param pin QSPI cs pin number
* @param data_line_width QSPI data lines width, such as 1, 2, 4
* @param enter_qspi_mode Callback function that lets FLASH enter QSPI mode
* @param exit_qspi_mode Callback function that lets FLASH exit QSPI mode
* @retval 0 : success
* -1 : failed
*/
rt_err_t stm32_qspi_bus_attach_device(const char *bus_name, const char *device_name, rt_uint32_t pin, rt_uint8_t data_line_width, void (*enter_qspi_mode)(), void (*exit_qspi_mode)())
{
struct rt_qspi_device *qspi_device = RT_NULL;
struct stm32_hw_spi_cs *cs_pin = RT_NULL;
rt_err_t result = RT_EOK;
RT_ASSERT(bus_name != RT_NULL);
RT_ASSERT(device_name != RT_NULL);
RT_ASSERT(data_line_width == 1 || data_line_width == 2 || data_line_width == 4);
qspi_device = (struct rt_qspi_device *)rt_malloc(sizeof(struct rt_qspi_device));
if (qspi_device == RT_NULL)
{
LOG_E("no memory, qspi bus attach device failed!");
result = RT_ENOMEM;
goto __exit;
}
cs_pin = (struct stm32_hw_spi_cs *)rt_malloc(sizeof(struct stm32_hw_spi_cs));
if (qspi_device == RT_NULL)
{
LOG_E("no memory, qspi bus attach device failed!");
result = RT_ENOMEM;
goto __exit;
}
qspi_device->enter_qspi_mode = enter_qspi_mode;
qspi_device->exit_qspi_mode = exit_qspi_mode;
qspi_device->config.qspi_dl_width = data_line_width;
cs_pin->Pin = pin;
#ifdef BSP_QSPI_USING_SOFTCS
rt_pin_mode(pin, PIN_MODE_OUTPUT);
rt_pin_write(pin, 1);
#endif
result = rt_spi_bus_attach_device(&qspi_device->parent, device_name, bus_name, (void *)cs_pin);
__exit:
if (result != RT_EOK)
{
if (qspi_device)
{
rt_free(qspi_device);
}
if (cs_pin)
{
rt_free(cs_pin);
}
}
return result;
}
void can_bus_hook(struct rt_can_device *can, struct canledtype *led)
{
if (can->timerinitflag == 1)
{
rt_pin_write(led->rtd.pin, 0);
}
else
{
if (can->status.rcvchange == 1 || can->status.sndchange == 1)
{
can->status.rcvchange = 0;
can->status.sndchange = 0;
rt_pin_write(led->rtd.pin, rt_pin_read(led->rtd.pin) ? 0 : 1);
}
else
{
rt_pin_write(led->rtd.pin, 1);
}
}
if (can->timerinitflag == 1)
{
rt_pin_write(led->err.pin, 0);
}
else
{
if (can->status.errcode)
{
rt_pin_write(led->err.pin, 0);
}
else
{
rt_pin_write(led->err.pin, 1);
}
}
}
int Main(void* param)
{
int ret;
init_data_bss();
rt_kprintf("app start up!\r\n");
rt_device_t gpio;
gpio = rt_device_find("gpio");
rt_pin_mode(PTA6, PIN_MODE_OUTPUT);
uint32_t i;
rt_pin_write(PTA6, 0);
ui_startup(0, 0);
finsh_syscall_append("ui_startup", ui_startup);
return 0;
}
static rt_uint32_t qspixfer(struct rt_spi_device *device, struct rt_spi_message *message)
{
rt_size_t len = 0;
RT_ASSERT(device != RT_NULL);
RT_ASSERT(device->bus != RT_NULL);
struct rt_qspi_message *qspi_message = (struct rt_qspi_message *)message;
struct stm32_qspi_bus *qspi_bus = device->bus->parent.user_data;
#ifdef BSP_QSPI_USING_SOFTCS
struct stm32_hw_spi_cs *cs = device->parent.user_data;
#endif
const rt_uint8_t *sndb = message->send_buf;
rt_uint8_t *rcvb = message->recv_buf;
rt_int32_t length = message->length;
#ifdef BSP_QSPI_USING_SOFTCS
if (message->cs_take)
{
rt_pin_write(cs->pin, 0);
}
#endif
/* send data */
if (sndb)
{
qspi_send_cmd(qspi_bus, qspi_message);
if (qspi_message->parent.length != 0)
{
if (HAL_QSPI_Transmit(&qspi_bus->QSPI_Handler, (rt_uint8_t *)sndb, 5000) == HAL_OK)
{
len = length;
}
else
{
LOG_E("QSPI send data failed(%d)!", qspi_bus->QSPI_Handler.ErrorCode);
qspi_bus->QSPI_Handler.State = HAL_QSPI_STATE_READY;
goto __exit;
}
}
else
{
len = 1;
}
}
else if (rcvb)/* recv data */
{
qspi_send_cmd(qspi_bus, qspi_message);
#ifdef BSP_QSPI_USING_DMA
if (HAL_QSPI_Receive_DMA(&qspi_bus->QSPI_Handler, rcvb) == HAL_OK)
#else
if (HAL_QSPI_Receive(&qspi_bus->QSPI_Handler, rcvb, 5000) == HAL_OK)
#endif
{
len = length;
#ifdef BSP_QSPI_USING_DMA
while (qspi_bus->QSPI_Handler.RxXferCount != 0);
#endif
}
else
{
LOG_E("QSPI recv data failed(%d)!", qspi_bus->QSPI_Handler.ErrorCode);
qspi_bus->QSPI_Handler.State = HAL_QSPI_STATE_READY;
goto __exit;
}
}
__exit:
#ifdef BSP_QSPI_USING_SOFTCS
if (message->cs_release)
{
rt_pin_write(cs->pin, 1);
}
#endif
return len;
}
int ewm1062_disable(void)
{
rt_pin_mode(WIFI_RESET_PIN, PIN_MODE_OUTPUT);
rt_pin_write(WIFI_RESET_PIN,PIN_LOW);
return RT_EOK;
}
