|
|
@@ -13,6 +13,122 @@
|
|
|
|
|
|
#include <rtthread.h>
|
|
|
|
|
|
+
|
|
|
+/**
|
|
|
+ * @addtogroup Drivers RTTHREAD Driver
|
|
|
+ * @defgroup Serial_v2 Serial v2
|
|
|
+ *
|
|
|
+ * @brief Serial v2 driver api
|
|
|
+ *
|
|
|
+ * <b>Example</b>
|
|
|
+ * @code {.c}
|
|
|
+ *
|
|
|
+ * #include <rtthread.h>
|
|
|
+ * #include <rtdevice.h>
|
|
|
+ *
|
|
|
+ * #define SAMPLE_UART_NAME "uart1"
|
|
|
+ *
|
|
|
+ * struct rx_msg
|
|
|
+ * {
|
|
|
+ * rt_device_t dev;
|
|
|
+ * rt_size_t size;
|
|
|
+ * };
|
|
|
+ * static rt_device_t serial;
|
|
|
+ * static struct rt_messagequeue rx_mq;
|
|
|
+ *
|
|
|
+ * static rt_err_t uart_input(rt_device_t dev, rt_size_t size)
|
|
|
+ * {
|
|
|
+ * struct rx_msg msg;
|
|
|
+ * rt_err_t result;
|
|
|
+ * msg.dev = dev;
|
|
|
+ * msg.size = size;
|
|
|
+ *
|
|
|
+ * result = rt_mq_send(&rx_mq, &msg, sizeof(msg));
|
|
|
+ * if (result == -RT_EFULL)
|
|
|
+ * {
|
|
|
+ * rt_kprintf("message queue full!\n");
|
|
|
+ * }
|
|
|
+ * return result;
|
|
|
+ * }
|
|
|
+ *
|
|
|
+ * static void serial_thread_entry(void *parameter)
|
|
|
+ * {
|
|
|
+ * struct rx_msg msg;
|
|
|
+ * rt_err_t result;
|
|
|
+ * rt_uint32_t rx_length;
|
|
|
+ * static char rx_buffer[BSP_UART1_RX_BUFSIZE + 1];
|
|
|
+ *
|
|
|
+ * while (1)
|
|
|
+ * {
|
|
|
+ * rt_memset(&msg, 0, sizeof(msg));
|
|
|
+ * result = rt_mq_recv(&rx_mq, &msg, sizeof(msg), RT_WAITING_FOREVER);
|
|
|
+ * if (result > 0)
|
|
|
+ * {
|
|
|
+ * rx_length = rt_device_read(msg.dev, 0, rx_buffer, msg.size);
|
|
|
+ * rx_buffer[rx_length] = '\0';
|
|
|
+ * rt_device_write(serial, 0, rx_buffer, rx_length);
|
|
|
+ * rt_kprintf("%s\n",rx_buffer);
|
|
|
+ * }
|
|
|
+ * }
|
|
|
+ * }
|
|
|
+ *
|
|
|
+ * static int uart_dma_sample(int argc, char *argv[])
|
|
|
+ * {
|
|
|
+ * rt_err_t ret = RT_EOK;
|
|
|
+ * char uart_name[RT_NAME_MAX];
|
|
|
+ * static char msg_pool[256];
|
|
|
+ * char str[] = "hello RT-Thread!\r\n";
|
|
|
+ *
|
|
|
+ * if (argc == 2)
|
|
|
+ * {
|
|
|
+ * rt_strncpy(uart_name, argv[1], RT_NAME_MAX);
|
|
|
+ * }
|
|
|
+ * else
|
|
|
+ * {
|
|
|
+ * rt_strncpy(uart_name, SAMPLE_UART_NAME, RT_NAME_MAX);
|
|
|
+ * }
|
|
|
+ *
|
|
|
+ * serial = rt_device_find(uart_name);
|
|
|
+ * if (!serial)
|
|
|
+ * {
|
|
|
+ * rt_kprintf("find %s failed!\n", uart_name);
|
|
|
+ * return RT_ERROR;
|
|
|
+ * }
|
|
|
+ *
|
|
|
+ * rt_mq_init(&rx_mq, "rx_mq",
|
|
|
+ * msg_pool,
|
|
|
+ * sizeof(struct rx_msg),
|
|
|
+ * sizeof(msg_pool),
|
|
|
+ * RT_IPC_FLAG_FIFO);
|
|
|
+ *
|
|
|
+ * rt_device_open(serial, RT_DEVICE_FLAG_RX_NON_BLOCKING | RT_DEVICE_FLAG_TX_BLOCKING);
|
|
|
+ * rt_device_set_rx_indicate(serial, uart_input);
|
|
|
+ * rt_device_write(serial, 0, str, (sizeof(str) - 1));
|
|
|
+ *
|
|
|
+ * rt_thread_t thread = rt_thread_create("serial", serial_thread_entry, RT_NULL, 1024, 25, 10);
|
|
|
+ * if (thread != RT_NULL)
|
|
|
+ * {
|
|
|
+ * rt_thread_startup(thread);
|
|
|
+ * }
|
|
|
+ * else
|
|
|
+ * {
|
|
|
+ * ret = RT_ERROR;
|
|
|
+ * }
|
|
|
+ *
|
|
|
+ * return ret;
|
|
|
+ * }
|
|
|
+ * MSH_CMD_EXPORT(uart_dma_sample, uart device dma sample);
|
|
|
+ * @endcode
|
|
|
+ *
|
|
|
+ * @ingroup Drivers
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+/*!
|
|
|
+ * @addtogroup Serial_v2
|
|
|
+ * @{
|
|
|
+ */
|
|
|
+
|
|
|
#define BAUD_RATE_2400 2400
|
|
|
#define BAUD_RATE_4800 4800
|
|
|
#define BAUD_RATE_9600 9600
|
|
|
@@ -104,9 +220,8 @@
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
- * @brief Sets a hook function when RX indicate is called
|
|
|
- *
|
|
|
- * @param thread is the target thread that initializing
|
|
|
+ * @brief Serial receive indicate hook function type
|
|
|
+ *
|
|
|
*/
|
|
|
typedef void (*rt_hw_serial_rxind_hookproto_t)(rt_device_t dev, rt_size_t size);
|
|
|
RT_OBJECT_HOOKLIST_DECLARE(rt_hw_serial_rxind_hookproto_t, rt_hw_serial_rxind);
|
|
|
@@ -126,8 +241,8 @@ struct serial_configure
|
|
|
rt_uint32_t reserved :5;
|
|
|
};
|
|
|
|
|
|
-/*
|
|
|
- * Serial Receive FIFO mode
|
|
|
+/**
|
|
|
+ * @brief Serial Receive FIFO mode
|
|
|
*/
|
|
|
struct rt_serial_rx_fifo
|
|
|
{
|
|
|
@@ -141,8 +256,9 @@ struct rt_serial_rx_fifo
|
|
|
rt_uint8_t buffer[];
|
|
|
};
|
|
|
|
|
|
-/*
|
|
|
- * Serial Transmit FIFO mode
|
|
|
+/**
|
|
|
+ * @brief Serial Transmit FIFO mode
|
|
|
+ *
|
|
|
*/
|
|
|
struct rt_serial_tx_fifo
|
|
|
{
|
|
|
@@ -158,6 +274,10 @@ struct rt_serial_tx_fifo
|
|
|
rt_uint8_t buffer[];
|
|
|
};
|
|
|
|
|
|
+/**
|
|
|
+ * @brief serial device structure
|
|
|
+ *
|
|
|
+ */
|
|
|
struct rt_serial_device
|
|
|
{
|
|
|
struct rt_device parent;
|
|
|
@@ -172,7 +292,8 @@ struct rt_serial_device
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
- * uart operators
|
|
|
+ * @brief uart device operations
|
|
|
+ *
|
|
|
*/
|
|
|
struct rt_uart_ops
|
|
|
{
|
|
|
@@ -192,12 +313,43 @@ struct rt_uart_ops
|
|
|
rt_uint32_t tx_flag);
|
|
|
};
|
|
|
|
|
|
+/**
|
|
|
+ * @brief Serial interrupt service routine
|
|
|
+ * @param serial serial device
|
|
|
+ * @param event event mask
|
|
|
+ * @ingroup Serial_v2
|
|
|
+ */
|
|
|
void rt_hw_serial_isr(struct rt_serial_device *serial, int event);
|
|
|
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief Register a serial device to device list
|
|
|
+ *
|
|
|
+ * @param serial serial device
|
|
|
+ * @param name device name
|
|
|
+ * @param flag device flag
|
|
|
+ * @param data device private data
|
|
|
+ * @return rt_err_t error code
|
|
|
+ * @note This function will register a serial device to system device list,
|
|
|
+ * and add a device object to system object list.
|
|
|
+ * @ingroup Serial_v2
|
|
|
+ */
|
|
|
rt_err_t rt_hw_serial_register(struct rt_serial_device *serial,
|
|
|
const char *name,
|
|
|
rt_uint32_t flag,
|
|
|
void *data);
|
|
|
|
|
|
+/**
|
|
|
+ * @brief register a serial device to system device list and add a device object to system object list
|
|
|
+ *
|
|
|
+ * @param serial serial device
|
|
|
+ * @return rt_err_t error code
|
|
|
+ *
|
|
|
+ * @ingroup Serial_v2
|
|
|
+ */
|
|
|
rt_err_t rt_hw_serial_register_tty(struct rt_serial_device *serial);
|
|
|
+
|
|
|
+
|
|
|
+/*! @}*/
|
|
|
+
|
|
|
#endif
|