157 lines
3.7 KiB
C
157 lines
3.7 KiB
C
/*
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* This file is part of the EasyLogger Library.
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*
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* Copyright (c) 2015, Armink, <armink.ztl@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* 'Software'), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* Function: Portable interface for each platform.
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* Created on: 2015-04-28
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*/
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#include <stdio.h>
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#include "main.h"
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#include "elog.h"
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#include "FreeRTOS.h"
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#include "task.h"
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#include "semphr.h"
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static SemaphoreHandle_t elog_lock = NULL;
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SemaphoreHandle_t elog_async = NULL;
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SemaphoreHandle_t elog_dma_lock = NULL;
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/**
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* EasyLogger port initialize
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*
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* @return result
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*/
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ElogErrCode elog_port_init(void)
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{
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elog_lock = xSemaphoreCreateBinary();
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elog_async = xSemaphoreCreateBinary();
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elog_dma_lock = xSemaphoreCreateBinary();
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xSemaphoreGive(elog_lock);
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return ELOG_NO_ERR;
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}
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/**
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* EasyLogger port deinitialize
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*
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*/
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void elog_port_deinit(void)
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{
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/* not implemented */
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}
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/**
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* output log port interface
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*
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* @param log output of log
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* @param size log size
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*/
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void elog_port_output(const char *log, size_t size)
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{
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HAL_UART_Transmit_DMA(&huart1, (uint8_t *) log, size);
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if (xPortIsInsideInterrupt() == pdFALSE) {
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xSemaphoreTake(elog_dma_lock, portMAX_DELAY);
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} else {
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BaseType_t need_yield = pdFALSE;
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xSemaphoreTakeFromISR(elog_dma_lock, &need_yield);
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portYIELD_FROM_ISR(need_yield);
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}
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}
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/**
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* output lock
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*/
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void elog_port_output_lock(void)
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{
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if (xPortIsInsideInterrupt() == pdFALSE) {
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xSemaphoreTake(elog_lock, portMAX_DELAY);
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} else {
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BaseType_t need_yield = pdFALSE;
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xSemaphoreTakeFromISR(elog_lock, &need_yield);
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portYIELD_FROM_ISR(need_yield);
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}
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}
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/**
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* output unlock
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*/
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void elog_port_output_unlock(void)
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{
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if (xPortIsInsideInterrupt() == pdFALSE) {
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xSemaphoreGive(elog_lock);
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} else {
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BaseType_t need_yield = pdFALSE;
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xSemaphoreGiveFromISR(elog_lock, &need_yield);
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portYIELD_FROM_ISR(need_yield);
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}
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}
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/**
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* get current time interface
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*
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* @return current time
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*/
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const char *elog_port_get_time(void)
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{
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static char str_sys_tick[20];
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uint32_t ticks = xTaskGetTickCountFromISR();
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snprintf(str_sys_tick, 20, "%d.%03d", (int)(ticks / 1000), (int)(ticks % 1000));
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return str_sys_tick;
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}
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/**
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* get current process name interface
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*
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* @return current process name
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*/
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const char *elog_port_get_p_info(void)
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{
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return "";
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}
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/**
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* get current thread name interface
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*
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* @return current thread name
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*/
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const char *elog_port_get_t_info(void)
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{
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return "";
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}
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void elog_async_output_notice(void)
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{
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if (xPortIsInsideInterrupt() == pdFALSE) {
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xSemaphoreGive(elog_async);
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} else {
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BaseType_t need_yield = pdFALSE;
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xSemaphoreGiveFromISR(elog_async, &need_yield);
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portYIELD_FROM_ISR(need_yield);
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}
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}
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