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| errcode_t | uapi_uart_init (uart_bus_t bus, const uart_pin_config_t *pins, const uart_attr_t *attr, const uart_extra_attr_t *extra_attr, uart_buffer_config_t *uart_buffer_config) |
| | 初始化指定的串口。
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| errcode_t | uapi_uart_deinit (uart_bus_t bus) |
| | 去初始化指定的串口。
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| errcode_t | uapi_uart_set_attr (uart_bus_t bus, const uart_attr_t *attr) |
| | 设置串口的基础配置参数。
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| errcode_t | uapi_uart_get_attr (uart_bus_t bus, const uart_attr_t *attr) |
| | 获取串口的基础配置参数。
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| errcode_t | uapi_uart_register_rx_callback (uart_bus_t bus, uart_rx_condition_t condition, uint32_t size, uart_rx_callback_t callback) |
| | 注册接收回调函数，这个回调函数会根据触发条件和Size触发。
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| errcode_t | uapi_uart_register_parity_error_callback (uart_bus_t bus, uart_error_callback_t callback) |
| | 注册奇偶校验错误处理的回调函数。
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| errcode_t | uapi_uart_register_frame_error_callback (uart_bus_t bus, uart_error_callback_t callback) |
| | 注册帧错误处理回调函数。
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| int32_t | uapi_uart_write (uart_bus_t bus, const uint8_t *buffer, uint32_t length, uint32_t timeout) |
| | 将数据发送到已经打开的UART上，使用直接发送的方式。
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| errcode_t | uapi_uart_write_int (uart_bus_t bus, const uint8_t *buffer, uint32_t length, void *params, uart_tx_callback_t finished_with_buffer_func) |
| | 使用中断模式将数据发送到已经打开的UART上，当数据发送完成，会调用回调函数。
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| int32_t | uapi_uart_write_by_dma (uart_bus_t bus, const void *buffer, uint32_t length, uart_write_dma_config_t *dma_cfg) |
| | 通过DMA发送数据。
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| int32_t | uapi_uart_read_by_dma (uart_bus_t bus, const void *buffer, uint32_t length, uart_write_dma_config_t *dma_cfg) |
| | 通过DMA读取数据。
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| int32_t | uapi_uart_read (uart_bus_t bus, const uint8_t *buffer, uint32_t length, uint32_t timeout) |
| | 从UART读取数据。
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| errcode_t | uapi_uart_suspend (uintptr_t arg) |
| | 挂起所有的UART通道。
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| errcode_t | uapi_uart_resume (uintptr_t arg) |
| | 恢复所有的UART通道。
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| bool | uapi_uart_has_pending_transmissions (uart_bus_t bus) |
| | 判断是否存在正在等待的传输。
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| bool | uapi_uart_rx_fifo_is_empty (uart_bus_t bus) |
| | 判断RX FIFO是否为空。
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| bool | uapi_uart_tx_fifo_is_empty (uart_bus_t bus) |
| | 判断TX FIFO是否为空。
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| void | uapi_uart_unregister_rx_callback (uart_bus_t bus) |
| | 去注册接收回调函数。
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| #define UART_MAX_NUMBER_OF_FRAGMENTS 4 |
Maximum number of fragments per uart for transmission. Configurable field that specifies the maximum numbers of transmissions the driver can queue before it returns false on the write requests.
Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2022-2022. All rights reserved.
Description: Provides uart driver source
History:
2022-06-09, Create file.
