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example: freertos: add esp8266_wifi example
Signed-off-by: Watson Zeng <[email protected]>
1 parent 27ae498 commit a4fadf2

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‎board/iotdk/common/iotdk_init.c‎

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static void iotdk_mux_init(void)
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{
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pmode_mux_config(PMA_GPIO | PMB_SPI | PMC_GPIO);
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pmode_mux_config(PMA_GPIO | PMB_SPI | PMC_UART);
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arduino_pin_mux(ARDUINO_A4, ARDUINO_FUNC_2ND);
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}
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‎example/freertos/esp8266_wifi/FreeRTOSConfig.h‎

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/*
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FreeRTOS V8.0.0 - Copyright (C) 2014 Real Time Engineers Ltd.
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All rights reserved
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VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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***************************************************************************
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* *
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* FreeRTOS provides completely free yet professionally developed, *
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* robust, strictly quality controlled, supported, and cross *
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* platform software that has become a de facto standard. *
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* *
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* Help yourself get started quickly and support the FreeRTOS *
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* project by purchasing a FreeRTOS tutorial book, reference *
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* manual, or both from: http://www.FreeRTOS.org/Documentation *
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* *
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* Thank you! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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>>! NOTE: The modification to the GPL is included to allow you to distribute
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>>! a combined work that includes FreeRTOS without being obliged to provide
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>>! the source code for proprietary components outside of the FreeRTOS
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>>! kernel.
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. Full license text is available from the following
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link: http://www.freertos.org/a00114.html
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1 tab == 4 spaces!
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***************************************************************************
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* *
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* Having a problem? Start by reading the FAQ "My application does *
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* not run, what could be wrong?" *
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* *
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* http://www.FreeRTOS.org/FAQHelp.html *
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* *
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***************************************************************************
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http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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license and Real Time Engineers Ltd. contact details.
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http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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compatible FAT file system, and our tiny thread aware UDP/IP stack.
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http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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licenses offer ticketed support, indemnification and middleware.
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http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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engineered and independently SIL3 certified version for use in safety and
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mission critical applications that require provable dependability.
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1 tab == 4 spaces!
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*/
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#ifndef FREERTOS_CONFIG_H
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#define FREERTOS_CONFIG_H
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#include <stdio.h>
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/*-----------------------------------------------------------
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* Application specific definitions.
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*
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* These definitions should be adjusted for your particular hardware and
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* application requirements.
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*
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* THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
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* FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
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*
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* See http://www.freertos.org/a00110.html.
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*----------------------------------------------------------*/
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#define configUSE_PREEMPTION 1
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#define configUSE_IDLE_HOOK 0
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#define configUSE_TICK_HOOK 0
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#define configCPU_CLOCK_HZ ( ( unsigned long ) BOARD_CPU_CLOCK )
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#define configTICK_RATE_HZ ( ( TickType_t ) 1000 )
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#define configMAX_PRIORITIES ( 10 )
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#define configMINIMAL_STACK_SIZE ( ( unsigned short ) 104 )
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#define configTOTAL_HEAP_SIZE ( ( size_t ) ( 16 * 1024 ) )
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#define configMAX_TASK_NAME_LEN ( 10 )
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#define configUSE_TRACE_FACILITY 0
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#define configUSE_16_BIT_TICKS 0
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#define configIDLE_SHOULD_YIELD 1
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#define configUSE_MUTEXES 1
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/* Co-routine definitions. */
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#define configUSE_CO_ROUTINES 0
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#define configMAX_CO_ROUTINE_PRIORITIES ( 2 )
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/* Set the following definitions to 1 to include the API function, or zero
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to exclude the API function. */
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#define INCLUDE_vTaskPrioritySet 1
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#define INCLUDE_uxTaskPriorityGet 1
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#define INCLUDE_vTaskDelete 1
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#define INCLUDE_vTaskCleanUpResources 0
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#define INCLUDE_vTaskSuspend 1
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#define INCLUDE_vTaskDelayUntil 1
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#define INCLUDE_vTaskDelay 1
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#define INCLUDE_xTaskGetCurrentTaskHandle 1
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#endif /* FREERTOS_CONFIG_H */

‎example/freertos/esp8266_wifi/at_parser.c‎

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/* ------------------------------------------
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* Copyright (c) 2018, Synopsys, Inc. All rights reserved.
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1) Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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* 3) Neither the name of the Synopsys, Inc., nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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--------------------------------------------- */
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#include "embARC_error.h"
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#include "string.h"
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#include "board.h"
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#include "at_parser.h"
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//#include "embARC_error.h"
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#define DBG_MORE
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#include "embARC_debug.h"
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/* if \r\n is needed to be attached at the end of AT comand, define AT_ADD_POSTFIX
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* otherwise comment out this line
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*/
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#define AT_ADD_POSTFIX
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#define AT_PREFIX "AT"
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#define AT_POSTFIX "\r\n"
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#define AT_TIMENOW() OSP_GET_CUR_MS()
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#define AT_MAX_LEN 128
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#define AT_MAX_PARAMETER 8
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int32_t at_parser_init(AT_PARSER_DEF_PTR obj, uint32_t baudrate){
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obj->psio = ez_sio_open(obj->uart_id, baudrate, AT_TX_BUFSIZE, AT_RX_BUFSIZE);
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dbg_printf(DBG_MORE_INFO, "[%s]%d: obj->psio 0x%x -> 0x%x\r\n", __FUNCTION__, __LINE__, obj->psio, *obj->psio);
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return (obj->psio != NULL) ? AT_OK : AT_ERROR;
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}
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void at_parser_deinit(AT_PARSER_DEF_PTR obj){
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ez_sio_close(obj->psio);
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return;
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}
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int32_t at_read(AT_PARSER_DEF_PTR obj, char *buf, uint32_t cnt)
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{
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return ez_sio_read(obj->psio, buf, cnt);
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}
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int32_t at_write(AT_PARSER_DEF_PTR obj, char *buf, uint32_t cnt)
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{
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return ez_sio_write(obj->psio, buf, cnt);
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}
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/*
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* please use NULL as last parameter
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*/
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int32_t at_send_cmd(AT_PARSER_DEF_PTR obj, AT_MODE mode, AT_STRING command, ...){
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va_list vl;
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char at_out[AT_MAX_LEN] = AT_PREFIX;
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char * str = command;
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if(str == NULL){
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dbg_printf(DBG_MORE_INFO, "[%s]%d: command is NULL, send AT test command\r\n", __FUNCTION__, __LINE__);
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} else {
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strcat(at_out,"+");
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strcat(at_out, command);
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switch(mode){
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case AT_LIST:
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strcat(at_out, "=?");
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break;
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case AT_READ:
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strcat(at_out, "?");
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break;
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case AT_WRITE:
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strcat(at_out, "=");
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va_start(vl, command);
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for(int i = 0; i < AT_MAX_PARAMETER; i++){
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str = va_arg(vl, AT_STRING);
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if(str == NULL){
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break;
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}
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if(i != 0){
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strcat(at_out, ",");
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}
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strcat(at_out, str);
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}
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va_end(vl);
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break;
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case AT_EXECUTE:
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default:
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break;
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}
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}
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#ifdef AT_ADD_POSTFIX
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strcat(at_out, AT_POSTFIX);
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#endif /*AT_ADD_POSTFIX*/
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dbg_printf(DBG_LESS_INFO, "[%s]%d: at_out: \"%s\" (%d)\r\n", __FUNCTION__, __LINE__, at_out, strlen(at_out));
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return at_write(obj, at_out, strlen(at_out));
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}
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/* make sure the buf is large enough*/
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int32_t at_get_reply(AT_PARSER_DEF_PTR obj, char *buf, uint32_t timeout)
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{
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uint32_t cur_ofs = 0;
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uint32_t read_cnt;
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uint32_t cur_time;
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cur_time = AT_TIMENOW();
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do {
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read_cnt = at_read(obj, &buf[cur_ofs], 1);
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cur_ofs += read_cnt;
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buf[cur_ofs] = '\0';
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if ((strstr(buf, AT_OK_STR)!= NULL) || (strstr(buf, AT_ERROR_STR)!= NULL)){
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break;
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}
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} while((AT_TIMENOW()-cur_time) < timeout);
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buf[cur_ofs] = '\0';
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dbg_printf(DBG_LESS_INFO, "[%s]%d: \"%s\" (%d)\r\n", __FUNCTION__, __LINE__, buf, strlen(buf));
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if (strstr(buf, AT_OK_STR)!= NULL){
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return AT_OK;
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}
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return AT_ERROR;
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}
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int32_t at_test(AT_PARSER_DEF_PTR obj){
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char rcv_buf[64];
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at_send_cmd(obj, AT_LIST, NULL);
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return at_get_reply(obj, rcv_buf, AT_NORMAL_TIMEOUT);
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}
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‎example/freertos/esp8266_wifi/at_parser.h‎

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/* ------------------------------------------
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* Copyright (c) 2018, Synopsys, Inc. All rights reserved.
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1) Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
13+
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* 3) Neither the name of the Synopsys, Inc., nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
17+
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20+
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21+
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
22+
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23+
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24+
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26+
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27+
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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--------------------------------------------- */
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#ifndef _AT_PARSER_H_
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#define _AT_PARSER_H_
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#include "ez_sio.h"
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#include "embARC_error.h"
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#define AT_OK 0
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#define AT_ERROR -1
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#define AT_OK_STR "OK"
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#define AT_ERROR_STR "ERROR"
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#define AT_RX_BUFSIZE 512
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#define AT_TX_BUFSIZE 128
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#define AT_NORMAL_TIMEOUT 100
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#define AT_LONG_TIMEOUT 5000
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#define AT_EXTRA_TIMEOUT 20000
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typedef enum {
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AT_LIST,
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AT_READ,
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AT_WRITE,
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AT_EXECUTE
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}AT_MODE;
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typedef char * AT_STRING;
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/** HM1X object type */
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typedef struct {
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uint32_t uart_id;
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EZ_SIO *psio;
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} AT_PARSER_DEF, *AT_PARSER_DEF_PTR;
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#define AT_PARSER_DEFINE(NAME, UART_ID) \
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AT_PARSER_DEF __ ## NAME = { \
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.uart_id = UART_ID, \
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.psio = NULL, \
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}; \
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AT_PARSER_DEF_PTR NAME = &__ ## NAME
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int32_t at_parser_init(AT_PARSER_DEF_PTR obj, uint32_t baudrate);
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void at_parser_deinit(AT_PARSER_DEF_PTR obj);
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int32_t at_read(AT_PARSER_DEF_PTR obj, char *buf, uint32_t cnt);
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int32_t at_write(AT_PARSER_DEF_PTR obj, char *buf, uint32_t cnt);
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int32_t at_send_cmd(AT_PARSER_DEF_PTR obj, AT_MODE mode, AT_STRING command, ...);
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int32_t at_get_reply(AT_PARSER_DEF_PTR obj, char *buf, uint32_t timeout);
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int32_t at_test(AT_PARSER_DEF_PTR obj);
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#endif /*_AT_PARSER_H_*/

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