335 lines
11 KiB
C
335 lines
11 KiB
C
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/****************************************************************************
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Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
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This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
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be copied by any method or incorporated into another program without
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the express written consent of Aerospace C.Power. This Information or any portion
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thereof remains the property of Aerospace C.Power. The Information contained herein
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is believed to be accurate and Aerospace C.Power assumes no responsibility or
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liability for its use in any way and conveys no license or title under
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any patent or copyright and makes no representation or warranty that this
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Information is free from patent or copyright infringement.
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****************************************************************************/
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#ifndef IOT_UART_API_H
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#define IOT_UART_API_H
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#include "os_types_api.h"
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#include "iot_pkt_api.h"
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#include "iot_frame_parse_api.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** \defgroup UART_APIs UART APIs
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* @brief WQ30x1 UART API
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*/
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/** @addtogroup UART_APIs
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* @{
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*/
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#ifdef _MSC_VER
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#define UART_HANDLE_INVALID_VALUE INVALID_HANDLE_VALUE
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#else
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#define UART_HANDLE_INVALID_VALUE (int)-1
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#endif
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/* uart type */
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#define UART_TYPE_MIN 0
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#define UART_PRINT UART_TYPE_MIN
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#define UART_CLI_PORT 1
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#define UART_METER_PORT 2
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#define UART_IR_PORT 3
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#define UART_RS485_PORT 4
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#define UART_EXT_CHIP 5 /* communicate with external chip by uart. */
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#define UART_EXT_BT_PORT 6
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#define UART_EXT_GPS_PORT 7
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#define UART_TSFM_PORT UART_CLI_PORT /* TSFM PORT for STA only. */
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#define UART_VP_COM1 8 /* Virtual serial port, connecting STM32 COM1 */
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#define UART_VP_COM2 9 /* Virtual serial port, connecting STM32 COM2 */
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#define UART_RS485_PORT_2 10
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/* iot module, stamps package, goldenfinger package */
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#define UART_CUS_PORT_0 11
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#define UART_CUS_PORT_1 12
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#define UART_PRINT_BBCPU 13
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#define UART_ICC_PORT 14 /* Interkernel communication */
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#define UART_CCTT_4G_PORT 15
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#define UART_CCTT_CFG_PORT 16
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#define UART_TYPE_MAX UART_CCTT_CFG_PORT
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/* UART port id */
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#define IOT_UART_PORT0 0
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#define IOT_UART_PORT1 1
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#define IOT_UART_PORT2 2
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#define IOT_UART_PORT3 3
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#define IOT_UART_PORT4 4
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#define IOT_UART_PORT5 5
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#define IOT_UART_PORT6 6
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#define IOT_UART_PORT7 7
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#define IOT_UART_PORT8 8
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#define IOT_UART_PORT9 9
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#define IOT_UART_PORT10 10
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#define IOT_UART_PORT11 11
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#define IOT_UART_PORT_SUPP_MAX 12
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/* UART parity configuration */
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#define IOT_UART_PARITY_NONE 0
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#define IOT_UART_PARITY_ODD 1
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#define IOT_UART_PARITY_EVEN 2
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#define IOT_UART_PARITY_MARK 3
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#define IOT_UART_PARITY_SPACE 4
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#define IOT_UART_DLEN_5_BITS 5
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#define IOT_UART_DLEN_6_BITS 6
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#define IOT_UART_DLEN_7_BITS 7
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#define IOT_UART_DLEN_8_BITS 8
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#define IOT_UART_STOP_1_BITS 1
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#define IOT_UART_STOP_1_5_BITS 2
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#define IOT_UART_STOP_2_BITS 3
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#define UART_THR_FLOWCTRL 0
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#define UART_THR_RXTIMEOUT 1
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#define UART_THR_RXFULL 2
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#define UART_THR_TXEMPTY 3
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#define UART_THR_NO_FMT_TIMEOUT 4
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#define UART_THR_RXIDLE 5
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#define UART_HW_FLOWCTRL_DISABLE 0
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#define UART_HW_FLOWCTRL_RTS 1
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#define UART_HW_FLOWCTRL_CTS 2
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#define UART_HW_FLOWCTRL_CTS_RTS 3
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#define IOT_UART_BANDRATE_DEFAULT 115200
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#define IOT_UART_DEFAULT_THDVALUE (20) /* ms */
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#define IOT_UART_MAX_THDVALUE (1000) /* ms */
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/**
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* @brief (*iot_uart_recv_func_t)() - the callback when
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* the uart receive the data. if the iot_frame_fmt param is null, uart task
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* call this call immediately after receive any data from uart interface, if
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* iot_frame_fmt param is not null, uart task parse the frame, and call this
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* func with the full frame, is_full_frame is true for this case, but if the
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* timeout is happned, this func will be called with the all of buffer in buffer
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* cache, and is_full_frame is false.
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* @param buffer: recv buffer
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* @param buffer_len: recv buffer length
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* @param is_full_frame: is full frame
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* @invalid_data_len the premable code may not at the beginning of buffer,
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* please use buffer+invalid_data_len to get the first buffer
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*/
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typedef void(*iot_uart_recv_func_t)(uint8_t* buffer, uint32_t buffer_len,
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bool_t is_full_frame, uint32_t invalid_data_len);
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typedef void* iot_uart_h;
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/**
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* @brief iot_uart_open() - open a uart port
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* @param uart_port: the define UART_xxxx_PORT
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* 1 - reserved for cli,
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* 2 - reserved for meter ...
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* @param iot_uart_recv_func_t: once get a full frame, this func
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* will be invoked.
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* @param receive_buffer_len: the buffer size for receive a full frame
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* @param p_frame_fmt: the format structor of a full frame, if it
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* is null,recv_func will be invoked once
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* receive any uart message.
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*
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* @return NULL -- for failure case
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* @return othersie -- iot uart handle
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*/
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iot_uart_h iot_uart_open(const uint8_t uart_port, iot_uart_recv_func_t func,
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uint32_t receive_buffer_len, iot_frame_fmt *p_frame_fmt);
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/**
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* @brief iot_uart_set_frame() - set the frame format, the receive buffer
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* will be empty when call this function
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* @param uart_h: uart handle
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* @param p_frame_fmt: the format structor of the frame
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*
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* @return false -- for failure case
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* @return true -- iot uart handle
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*/
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bool_t iot_uart_set_frame(iot_uart_h uart_h, iot_frame_fmt *p_frame_fmt);
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/**
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* @brief iot_uart_set_config() - set the uart paramter.
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* will be empty when call this function
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* @param uart_h: uart handle
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* @param baud: baudrate
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* @param parity: see IOT_UART_PARITY_XXX
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* @param data: data bits
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* @param stop: stop flag
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*
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* @return false -- for failure case
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* @return true -- iot uart handle
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*/
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bool_t iot_uart_set_config(iot_uart_h uart_h, uint32_t baud, uint8_t parity,
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uint8_t data, uint8_t stop);
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/**
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* @brief iot_uart_send() - send the buffer by uart, it is a asyn func.
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* @param uart_h: uart handle
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* @param pkt: the iot pkt buffer.
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* @param p_frame_fmt: the format structor of the frame
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*
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* @return ERR_OK(0) -- success
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* @return otherwise -- error code.
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*/
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uint32_t iot_uart_send(iot_uart_h uart_h, iot_pkt_t *pkt,
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iot_frame_fmt *p_frame_fmt);
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/**
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* @brief iot_uart_close() - close uart port
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* @param uart_handle: uart handle
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*/
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void iot_uart_close(iot_uart_h uart_handle);
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/**
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* @brief iot_uart_set_flwctrl() - Set flow-control on a port..
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* @param uart_h: uart handle
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* @param type: Flow-control type. See UART_HW_FLOWCTRL_XX .
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* @param thrd: Value of threshold for if RTS enabled.
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*
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* @return true -- success
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* @return false -- error.
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*/
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bool_t iot_uart_set_flwctrl(iot_uart_h uart_h, uint32_t type, uint32_t thrd);
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/**
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* @brief iot_uart_set_brk() - Set break param on a port..
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* @param uart_h: uart handle
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* @param value: enable/disable uart break.
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*
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* @return true -- success
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* @return false -- error.
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*/
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bool_t iot_uart_set_brk(iot_uart_h uart_h, uint32_t value);
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/**
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* @brief iot_uart_set_threshold() - Set threshold.
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* @param uart_h: uart handle
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* @param type: Threshold type.See UART_THR_XX.
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* @param thrd: Value of threshold.
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*
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* @return true -- success
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* @return false -- error.
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*/
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bool_t iot_uart_set_threshold(iot_uart_h uart_h, uint32_t type, uint32_t thrd);
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/**
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* @brief iot_dbg_uart_set_config() - set the debug uart paramter.
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* @param baud: baudrate
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* @param parity: see IOT_UART_PARITY_XXX
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* @param data: data bits
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* @param stop: stop flag
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*/
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void iot_dbg_uart_set_config(uint32_t baud, uint8_t parity,
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uint8_t data, uint8_t stop);
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/**
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* @brief iot_dbg_uart_set_port() - set the debug uart port and paramter.
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* @param port: debug uart port: UART_PTx
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* @param baud: baudrate
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* @param parity: see IOT_UART_PARITY_XXX
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* @param data: data bits
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* @param stop: stop flag
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*/
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void iot_dbg_uart_set_port(uint8_t port, uint32_t baud,
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uint8_t parity, uint8_t data, uint8_t stop);
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/**
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* @brief iot_uart_set_pin() - set the uart RX/TX pin.
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* will be empty when call this function
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* @param port: uart port
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* @param rx_pin: RX GPIO
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* @param tx_pin: TX GPIO
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*/
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void iot_uart_set_pin(uint8_t port, uint8_t rx_pin, uint8_t tx_pin);
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/**
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* @brief iot_uart_reassign_pin() - reassign the uart RX/TX pins.
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* User-defined uart rx/tx pins instead of using pins
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* definition in the OEM.
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* @param port: uart port
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* @param rx_pin: RX GPIO
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* @param tx_pin: TX GPIO
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*
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* @return true -- success
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* @return false -- error.
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* Example usage:
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// Uart will use default pins from OEM when no call iot_uart_reassign_pin.
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// Open uart may warning rx/tx pins error when uart rx and tx pin all invalid.
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#define IOT_UART_BUF_SIZE 1024
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void uart_recv_func(uint8_t* p_buffer, uint32_t buffer_len,
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bool_t is_full_frame, uint32_t invalid_data_len)
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{
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// TODO
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return;
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}
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int uart_task_function( void )
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{
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uint8_t uart_port = iot_board_get_uart(UART_CUS_PORT_0);
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iot_uart_h uart_h;
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iot_uart_reassign_pin(uart_port, 35, 34);
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// wait some time for pins set
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uart_h = iot_uart_open(uart_port, uart_recv_func,
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IOT_UART_BUF_SIZE, NULL);
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if (uart_h == NULL) {
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iot_printf("open uart port %d error.\n", uart_port);
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return ERR_FAIL;
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}
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return ERR_OK;
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}
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*/
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bool_t iot_uart_reassign_pin(uint8_t uart_port, uint8_t rx_pin, uint8_t tx_pin);
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/**
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* @brief iot_uart_get_max_port_num() - Get max uart port num, inn + ext + vp.
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*
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* @return the num of max uart
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*/
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uint8_t iot_uart_get_max_port_num(void);
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/**
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* @brief iot_uart_enable_RS485() - enable uart rs485 mode.
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* @param uart_h: uart handle
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* @param dir_gpio: gpio number of rs485 transport direction ctrl.
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*
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* @return true -- success
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* @return false -- error.
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*/
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bool_t iot_uart_enable_rs485(iot_uart_h uart_h, int dir_gpio);
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/**
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* @brief iot_uart_disable_RS485() - disable uart rs485 mode.
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* @param uart_h: uart handle
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*
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* @return true -- success
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* @return false -- error.
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*/
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bool_t iot_uart_disable_rs485(iot_uart_h uart_h);
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* IOT_UART_API_H */
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