From 0d1cc63b04a887fad86861a34b7ccbdd47fe156c Mon Sep 17 00:00:00 2001 From: Mariano Alvira Date: Tue, 17 May 2011 16:26:03 -0400 Subject: [PATCH] add xtal trimming program --- tests/Makefile | 3 +- tests/xtal-trim.c | 71 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 73 insertions(+), 1 deletion(-) create mode 100644 tests/xtal-trim.c diff --git a/tests/Makefile b/tests/Makefile index ef4b6c287..09e928385 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -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 diff --git a/tests/xtal-trim.c b/tests/xtal-trim.c new file mode 100644 index 000000000..02e1d944e --- /dev/null +++ b/tests/xtal-trim.c @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2010, Mariano Alvira 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 +#include +#include + +#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); + + } +} + +