Add AVR32 port and demo files.

2025-08-19 17:48:33 -04:00 · 2007-04-01 19:37:01 +00:00 · 2007-04-01 19:37:01 +00:00 · bf2b676eaa
commit bf2b676eaa
parent b727359f1b
52 changed files with 12194 additions and 0 deletions
--- a/Demo/lwIP_AVR32_UC3/main.c
+++ b/Demo/lwIP_AVR32_UC3/main.c
@ -0,0 +1,147 @@
+/* This source file is part of the ATMEL FREERTOS-0.9.0 Release */
+
+/*This file has been prepared for Doxygen automatic documentation generation.*/
+/*! \file *********************************************************************
+ *
+ * \brief FreeRTOS and lwIP example for AVR32 UC3.
+ *
+ * - Compiler:           GNU GCC for AVR32
+ * - Supported devices:  All AVR32 devices can be used.
+ * - AppNote:
+ *
+ * \author               Atmel Corporation: http://www.atmel.com \n
+ *                       Support email: avr32@atmel.com
+ *
+ *****************************************************************************/
+
+/* Copyright (c) 2007, Atmel Corporation All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. The name of ATMEL may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ATMEL ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND
+ * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+/* Environment include files. */
+#include <stdlib.h>
+#include <string.h>
+#include "pm.h"
+#include "flashc.h"
+
+/* Scheduler include files. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* Demo file headers. */
+#include "partest.h"
+#include "serial.h"
+#include "ethernet.h"
+#include "netif/etharp.h"
+#include "flash.h"
+
+/* Priority definitions for most of the tasks in the demo application. */
+#define mainLED_TASK_PRIORITY     ( tskIDLE_PRIORITY + 1 )
+#define mainETH_TASK_PRIORITY     ( tskIDLE_PRIORITY + 1 )
+
+/* Baud rate used by the serial port tasks. */
+#define mainCOM_BAUD_RATE      ( ( unsigned portLONG ) 57600 )
+#define mainCOM_BUFFER_LEN     ( ( unsigned portLONG ) 70 )
+
+/* An address in the internal Flash used to count resets.  This is used to check that
+the demo application is not unexpectedly resetting. */
+#define mainRESET_COUNT_ADDRESS     ( ( void * ) 0xC0000000 )
+
+
+//!
+//! \fn     main
+//! \brief  start the software here
+//!         1) Initialize the microcontroller and the shared hardware resources
+//!         of the board.
+//!         2) Launch the IP modules.
+//!         3) Start FreeRTOS.
+//! \return 42, which should never occur.
+//! \note
+//!
+int main( void )
+{
+volatile avr32_pm_t* pm = &AVR32_PM;
+
+	/* 1) Initialize the microcontroller and the shared hardware resources of the board. */
+
+	/* Switch to external oscillator 0 */
+	pm_switch_to_osc0( pm, FOSC0, OSC0_STARTUP );
+
+	/* Setup PLL0 on OSC0, mul+1=16 ,divisor by 1, lockcount=16, ie. 12Mhzx16/1 = 192MHz output.
+	   Extra div by 2 => 96MHz */
+	pm_pll_setup(pm,	/* volatile avr32_pm_t* pm */
+				0,		/* unsigned int pll */
+				15,		/* unsigned int mul */
+				1,		/* unsigned int div, Sel Osc0/PLL0 or Osc1/Pll1 */
+				0,		/* unsigned int osc */
+				16);		/* unsigned int lockcount */
+
+	pm_pll_set_option( pm, 0,   // pll0
+	                       0,   // Choose the range 160-240MHz.
+	                       1,   // div2
+	                       0 ); // wbwdisable
+
+	/* Enable PLL0 */
+	pm_pll_enable(pm,0);
+
+	/* Wait for PLL0 locked */
+	pm_wait_for_pll0_locked(pm) ;
+
+	/* Setup generic clock number 2 on PLL, with OSC0/PLL0, no divisor */
+	pm_gc_setup(pm,
+				0,
+				1, /* Use Osc (=0) or PLL (=1) */
+				0, /* Sel Osc0/PLL0 or Osc1/Pll1 */
+				0,
+				1);
+
+	/* Enable Generic clock 0*/
+	pm_gc_enable(pm, 0);
+
+	/* switch to clock */
+	pm_cksel( pm, 1, 1, 1, 0, 1, 0 );
+	flashc_set_wait_state( 1 );
+	pm_switch_to_clock( pm, AVR32_PM_MCCTRL_MCSEL_PLL0 );
+
+	/* Setup the LED's for output. */
+	vParTestInitialise();
+
+	/* Start the flash tasks just to provide visual feedback that the demo is
+	executing. */
+	vStartLEDFlashTasks( mainLED_TASK_PRIORITY );
+
+	/* 2) Start ethernet task. */
+	vStartEthernetTask( mainETH_TASK_PRIORITY );
+
+	/* 3) Start FreeRTOS. */
+	vTaskStartScheduler();
+
+	/* Will only reach here if there was insufficient memory to create the idle task. */
+
+	return 0;
+}
+/*-----------------------------------------------------------*/