mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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7d09b88e5a
The line 'Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.'
used to have two spaces between the first and second sentences.
This would cause the header check to fail due to the copyright regex located
ab999f9624/.github/scripts/core_checker.py (L396)
80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/*
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* FreeRTOS V202212.00
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* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* 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, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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/*
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* startup.c
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* Author Jefferson L Smith, Robotronics Inc.
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*
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* __premain() is the startup code to init hardware and ram to execute the
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* C application.
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*
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*/
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#include <sys/ports.h>
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#include "cpu.h"
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void ATTR_NEAR __premain (void);
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void
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__premain (void)
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{
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// in case special mode enabled, avoid conflict on PORTE
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PEAR |= NECLK;
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// bgnd mode stops COP and RTI clocks
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COPCTL = RSBCK;
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// stops TCNT counter when debugging stops
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TSCR1 |= (1<<5); // TFRZ
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// PLL
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CLKSEL = 0; // disable PLL to configure
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// xtal 16MHz, bus 24MHz
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SYNR = 3 - 1;
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REFDV = 2 - 1;
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while (!(CRGFLG & 0x08)) // wait for PLL LOCK
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cop_optional_reset();
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CLKSEL |= 0x80; // use PLL
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// init switch inputs
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PERH = 0xff; // pullups
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// outputs
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#if PORT_LED==M6811_PORTB //PORTB
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DDRB = 0xff; // init LED
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#elif PORT_LED==M6811_PORTA //PORTA
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DDRA = 0xff;
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#elif PORT_LED==M6811_PTT //PTT
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DDRT = 0xff;
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#elif PORT_LED==M6811_PTM //PTM
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DDRM = 0xff;
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#elif PORT_LED==M6811_PTP //PTP
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DDRP = 0xff;
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#elif PORT_LED==M6811_PTH //PTH
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DDRH = 0xff;
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#endif
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}
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