210 lines
6.8 KiB
C
210 lines
6.8 KiB
C
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/*================================================================
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Copyright (c) 2021, Quectel Wireless Solutions Co., Ltd. All rights reserved.
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Quectel Wireless Solutions Proprietary and Confidential.
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=================================================================*/
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/*=================================================================
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EDIT HISTORY FOR MODULE
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This section contains comments describing changes made to the module.
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Notice that changes are listed in reverse chronological order.
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WHEN WHO WHAT, WHERE, WHY
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------------ ------- -------------------------------------------------------------------------------
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=================================================================*/
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/*===========================================================================
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* include files
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===========================================================================*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "ql_api_osi.h"
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#include "ql_log.h"
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#include "ql_uart.h"
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#include "ql_gpio.h"
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#include "ql_pin_cfg.h"
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#include "ql_usb.h"
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/*===========================================================================
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*Definition
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===========================================================================*/
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#define QL_UART_DEMO_LOG_LEVEL QL_LOG_LEVEL_INFO
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#define QL_UART_DEMO_LOG(msg, ...) QL_LOG(QL_UART_DEMO_LOG_LEVEL, "ql_uart_demo", msg, ##__VA_ARGS__)
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#define QL_UART_TASK_STACK_SIZE 4096
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#define QL_UART_TASK_PRIO APP_PRIORITY_NORMAL
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#define QL_UART_TASK_EVENT_CNT 5
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#define QL_UART_RX_BUFF_SIZE 2048
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#define QL_UART_TX_BUFF_SIZE 2048
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#define MIN(a,b) ((a) < (b) ? (a) : (b))
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#define QL_USB_PRINTER_ENABLE 0
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/*===========================================================================
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* Variate
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===========================================================================*/
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/*===========================================================================
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* Functions
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===========================================================================*/
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void ql_uart_notify_cb(unsigned int ind_type, ql_uart_port_number_e port, unsigned int size)
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{
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unsigned char *recv_buff = calloc(1, QL_UART_RX_BUFF_SIZE+1);
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unsigned int real_size = 0;
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int read_len = 0;
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QL_UART_DEMO_LOG("UART port %d receive ind type:0x%x, receive data size:%d", port, ind_type, size);
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switch(ind_type)
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{
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case QUEC_UART_RX_OVERFLOW_IND: //rx buffer overflow
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case QUEC_UART_RX_RECV_DATA_IND:
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{
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while(size > 0)
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{
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memset(recv_buff, 0, QL_UART_RX_BUFF_SIZE+1);
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real_size= MIN(size, QL_UART_RX_BUFF_SIZE);
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read_len = ql_uart_read(port, recv_buff, real_size);
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QL_UART_DEMO_LOG("read_len=%d, recv_data=%s", read_len, recv_buff);
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if((read_len > 0) && (size >= read_len))
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{
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size -= read_len;
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}
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else
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{
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break;
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}
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}
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break;
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}
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case QUEC_UART_TX_FIFO_COMPLETE_IND:
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{
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QL_UART_DEMO_LOG("tx fifo complete");
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break;
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}
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}
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free(recv_buff);
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recv_buff = NULL;
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}
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static void ql_uart_demo_thread(void *param)
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{
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int ret = 0;
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QlOSStatus err = 0;
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ql_uart_config_s uart_cfg = {0};
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int write_len = 0;
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ql_uart_tx_status_e tx_status;
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unsigned char data[] = "hello uart demo\r\n";
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/***********************************************************
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Note start:
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1.If the BAUD rate is QL UART BAUD_AUTO,a string of 'at'should be sent at least once to identify the baud rate.
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2.Once the baud rate is identified, it cannot be changed unless restarted.
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************************************************************/
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uart_cfg.baudrate = QL_UART_BAUD_115200;
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uart_cfg.flow_ctrl = QL_FC_NONE;
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uart_cfg.data_bit = QL_UART_DATABIT_8;
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uart_cfg.stop_bit = QL_UART_STOP_1;
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uart_cfg.parity_bit = QL_UART_PARITY_NONE;
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ret = ql_uart_set_dcbconfig(QL_UART_PORT_2, &uart_cfg);
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QL_UART_DEMO_LOG("ret: 0x%x", ret);
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if(QL_UART_SUCCESS != ret)
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{
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goto exit;
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}
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/***********************************************************
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Note start:
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1. If QL_UART_PORT_1 is selected for use, there is no need to set TX and RX pin and function
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2. According to the QuecOpen GPIO table, user should select the correct PIN to set function
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3. CTS and RTS pins (UART2 and UART3) also need to be initialized if hardware flow control function is required
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************************************************************/
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ret = ql_pin_set_func(QL_UART2_TX_PIN, QL_UART2_TX_FUNC);
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if(QL_GPIO_SUCCESS != ret)
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{
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goto exit;
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}
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ret = ql_pin_set_func(QL_UART2_RX_PIN, QL_UART2_RX_FUNC);
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if(QL_GPIO_SUCCESS != ret)
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{
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goto exit;
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}
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/*Note end*/
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ret = ql_uart_open(QL_UART_PORT_2);
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QL_UART_DEMO_LOG("ret: 0x%x", ret);
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#if QL_USB_PRINTER_ENABLE
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ret = ql_uart_open(QL_USB_PORT_PRINTER);
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QL_UART_DEMO_LOG("ret: 0x%x", ret);
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#endif
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if(QL_UART_SUCCESS == ret)
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{
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ret = ql_uart_register_cb(QL_UART_PORT_2, ql_uart_notify_cb);
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QL_UART_DEMO_LOG("ret: 0x%x", ret);
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#if QL_USB_PRINTER_ENABLE
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ret = ql_uart_register_cb(QL_USB_PORT_PRINTER, ql_uart_notify_cb);
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QL_UART_DEMO_LOG("ret: 0x%x", ret);
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#endif
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memset(&uart_cfg, 0, sizeof(ql_uart_config_s));
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ret = ql_uart_get_dcbconfig(QL_UART_PORT_2, &uart_cfg);
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QL_UART_DEMO_LOG("ret: 0x%x, baudrate=%d, flow_ctrl=%d, data_bit=%d, stop_bit=%d, parity_bit=%d",
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ret, uart_cfg.baudrate, uart_cfg.flow_ctrl, uart_cfg.data_bit, uart_cfg.stop_bit, uart_cfg.parity_bit);
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while(1)
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{
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write_len = ql_uart_write(QL_UART_PORT_2, data, strlen((char *)data));
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QL_UART_DEMO_LOG("write_len:%d", write_len);
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ql_uart_get_tx_fifo_status(QL_UART_PORT_2, &tx_status);
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QL_UART_DEMO_LOG("tx_status:%d", tx_status);
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ql_rtos_task_sleep_ms(20000);
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}
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}
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exit:
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err = ql_rtos_task_delete(NULL);
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if(err != QL_OSI_SUCCESS)
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{
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QL_UART_DEMO_LOG("task deleted failed");
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}
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}
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void ql_uart_app_init(void)
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{
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QlOSStatus err = 0;
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ql_task_t uart_task = NULL;
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#if QL_USB_PRINTER_ENABLE
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/*
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1. 重启生效,使能USB打印功能后,USB NMEA口将会被枚举为usb打印设备,用户可在重启后使用ql_uart_open, ql_uart_register_cb,
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ql_uart_write等函数,以QL_USB_PORT_PRINTER为参数来从usb打印设备中读取和写入数据;使能后usb NMEA口将不会被枚举
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2. 如果开启了UAC功能,则不能使用usb打印设备
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*/
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ql_usb_set_enum_mode(QL_USB_ENUM_USBNET_COM_PRINTER);
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#endif
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err = ql_rtos_task_create(&uart_task, QL_UART_TASK_STACK_SIZE, QL_UART_TASK_PRIO, "QUARTDEMO", ql_uart_demo_thread, NULL, QL_UART_TASK_EVENT_CNT);
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if (err != QL_OSI_SUCCESS)
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{
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QL_UART_DEMO_LOG("demo task created failed");
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return;
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}
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}
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