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add xtal trimming program

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This commit is contained in:
Mariano Alvira 2011-05-17 16:26:03 -04:00
parent e9ddca37e2
commit 0d1cc63b04
2 changed files with 73 additions and 1 deletions
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3
tests/Makefile
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@ -14,7 +14,8 @@ TARGETS := blink-red blink-green blink-blue blink-white blink-allio \
asm \
adc \
pwm \
wdt
wdt \
xtal-trim
# these targets are built with space reserved for variables needed by ROM services
# this space is initialized with a rom call to rom_data_init

71
tests/xtal-trim.c Normal file
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@ -0,0 +1,71 @@
/*
* Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
* to the MC1322x project (http://mc1322x.devl.org)
* 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. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS 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.
*
* This file is part of libmc1322x: see http://mc1322x.devl.org
* for details.
*
*
*/
#include <mc1322x.h>
#include <board.h>
#include <stdio.h>
#include "config.h"
#include "tests.h"
int main(void)
{
uint8_t ctune_4pf, ctune, ftune;
ctune_4pf = 0;
ctune = 0;
ftune = 0;
uart1_init(INC,MOD,SAMP);
print_welcome("pwm test\r\n");
pack_XTAL_CNTL(ctune_4pf, ctune, ftune, IBIAS);
for(;;) {
switch(uart1_getc()) {
case '[': if(ctune > 0) ctune -= 1; break;
case ']': if(ctune < 15) ctune += 1; break;
case '-': if(ftune > 0) ftune -= 1; break;
case '=': if(ftune < 31) ftune += 1; break;
case ' ': if(ctune_4pf) { ctune_4pf = 0; } else { ctune_4pf = 1;} break;
}
printf("ctune_4pf %d; ctune %d; ftune %d\n\r", ctune_4pf, ctune, ftune);
pack_XTAL_CNTL(ctune_4pf, ctune, ftune, IBIAS);
}
}