A59项目初版工程 1.电压+光感adc采样优化 2.串口逻辑优化

FreeRTOS_tick_config.c

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+/*
+ * FreeRTOS V202104.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ *
+ * 1 tab == 4 spaces!
+ */
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* Library includes. */
+#include "board.h"
+#include "chip.h"
+
+/*
+ * The FreeRTOS tick handler.  This function must be installed as the handler
+ * for the timer used to generate the tick interrupt.  Note that the interrupt
+ * generated by the PIT is shared by other system peripherals, so if the PIT is
+ * used for Tick generation then FreeRTOS_Tick_Handler() can only be installed
+ * directly as the PIT handler if no other system interrupts need to be
+ * serviced.  If system interrupts other than the PIT need to be serviced then
+ * install System_Handler() as the PIT interrupt handler in place of
+ * FreeRTOS_Tick_Handler() and add additional interrupt processing into the
+ * implementation of System_Handler().
+ */
+extern void FreeRTOS_Tick_Handler( void );
+
+/*-----------------------------------------------------------*/
+
+static void System_Handler( void *para )
+{
+	vTimerClrInt((uint32_t)para);
+	
+	/* See the comments above the function prototype in this file. */
+	FreeRTOS_Tick_Handler();
+}
+/*-----------------------------------------------------------*/
+
+/*
+ * The application must provide a function that configures a peripheral to
+ * create the FreeRTOS tick interrupt, then define configSETUP_TICK_INTERRUPT()
+ * in FreeRTOSConfig.h to call the function.  This file contains a function
+ * that is suitable for use on the Atmel SAMA5.
+ */
+void vConfigureTickInterrupt( void )
+{
+	vTimerInit(TIMER_ID0, 1, 1, configTICK_RATE_HZ);
+	request_irq(TIMER0_IRQn, 0, System_Handler, (void*)TIMER_ID0);
+	vTimerEnable(TIMER_ID0);
+
+	/* Prevent compiler warnings in the case where System_Handler() is not used
+	as the handler.  See the comments above the System_Handler() function
+	prototype at the top of this file. */
+	( void ) System_Handler;
+
+}
+/*-----------------------------------------------------------*/
+