add xtal trimming program
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@ -14,7 +14,8 @@ TARGETS := blink-red blink-green blink-blue blink-white blink-allio \
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asm \
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asm \
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adc \
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adc \
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pwm \
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pwm \
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wdt
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wdt \
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xtal-trim
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# these targets are built with space reserved for variables needed by ROM services
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# these targets are built with space reserved for variables needed by ROM services
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# this space is initialized with a rom call to rom_data_init
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# this space is initialized with a rom call to rom_data_init
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71
tests/xtal-trim.c
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71
tests/xtal-trim.c
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@ -0,0 +1,71 @@
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/*
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* Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
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* to the MC1322x project (http://mc1322x.devl.org)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of libmc1322x: see http://mc1322x.devl.org
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* for details.
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*
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*
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*/
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#include <mc1322x.h>
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#include <board.h>
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#include <stdio.h>
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#include "config.h"
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#include "tests.h"
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int main(void)
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{
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uint8_t ctune_4pf, ctune, ftune;
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ctune_4pf = 0;
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ctune = 0;
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ftune = 0;
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uart1_init(INC,MOD,SAMP);
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print_welcome("pwm test\r\n");
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pack_XTAL_CNTL(ctune_4pf, ctune, ftune, IBIAS);
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for(;;) {
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switch(uart1_getc()) {
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case '[': if(ctune > 0) ctune -= 1; break;
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case ']': if(ctune < 15) ctune += 1; break;
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case '-': if(ftune > 0) ftune -= 1; break;
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case '=': if(ftune < 31) ftune += 1; break;
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case ' ': if(ctune_4pf) { ctune_4pf = 0; } else { ctune_4pf = 1;} break;
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}
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printf("ctune_4pf %d; ctune %d; ftune %d\n\r", ctune_4pf, ctune, ftune);
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pack_XTAL_CNTL(ctune_4pf, ctune, ftune, IBIAS);
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}
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}
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