From 1d3861ef93f8423176c6010ab606abdab00a7cbd Mon Sep 17 00:00:00 2001 From: bnewbold Date: Wed, 31 Mar 2010 08:52:45 +0800 Subject: Major hierarchy reorganization; see README. copy-to-ide and Makefile updated to conform; .gitignore added; LICENSE added --- src/lib/util.c | 103 --------------------------------------------------------- 1 file changed, 103 deletions(-) delete mode 100644 src/lib/util.c (limited to 'src/lib/util.c') diff --git a/src/lib/util.c b/src/lib/util.c deleted file mode 100644 index d323611..0000000 --- a/src/lib/util.c +++ /dev/null @@ -1,103 +0,0 @@ -/* ***************************************************************************** - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - * - * Created: 12/18/09 02:38:44 - * Copyright (c) 2009 Perry L. Hung. All rights reserved. - * - * ****************************************************************************/ - -/** - * @file util.h - * - * @brief Utility procedures for debugging, mostly an error LED fade and - * messages dumped over a uart for failed asserts. - */ - -#include "libmaple.h" -#include "usart.h" -#include "gpio.h" -#include "nvic.h" -#include "adc.h" -#include "timers.h" - -#define ERROR_LED_PORT GPIOA_BASE -#define ERROR_LED_PIN 5 -#define ERROR_USART_NUM 2 -#define ERROR_USART_BAUD 9600 -#define ERROR_TX_PIN 2 -#define ERROR_TX_PORT GPIOA_BASE - -/* Error assert + fade */ -void _fail(const char* file, int line, const char* exp) { - int32_t slope = 1; - int32_t CC = 0x0000; - int32_t TOP_CNT = 0x02FF; - int32_t i = 0; - - /* Turn off interrupts */ - nvic_disable_interrupts(); - - /* Turn off timers */ - timers_disable(); - - /* Turn off ADC */ - adc_disable(); - - /* Turn off all usarts */ - usart_disable(1); - usart_disable(2); - usart_disable(3); - - /* Initialize the error usart */ - gpio_set_mode(ERROR_TX_PORT, ERROR_TX_PIN, GPIO_MODE_AF_OUTPUT_PP); - usart_init(ERROR_USART_NUM, ERROR_USART_BAUD); - - /* Print failed assert message */ - usart_putstr(ERROR_USART_NUM, "ERROR: FAILED ASSERT("); - usart_putstr(ERROR_USART_NUM, exp); - usart_putstr(ERROR_USART_NUM, "): "); - usart_putstr(ERROR_USART_NUM, file); - usart_putstr(ERROR_USART_NUM, ": "); - usart_putudec(ERROR_USART_NUM, line); - usart_putc(ERROR_USART_NUM, '\n'); - - /* Turn on the error LED */ - gpio_set_mode(ERROR_LED_PORT, ERROR_LED_PIN, GPIO_MODE_OUTPUT_PP); - - /* Turn the USB interrupt back on so the bootloader keeps on functioning */ - nvic_enable_interrupt(NVIC_INT_USBHP); - nvic_enable_interrupt(NVIC_INT_USBLP); - - /* Error fade */ - while (1) { - if (CC == TOP_CNT) { - slope = -1; - } else if (CC == 0) { - slope = 1; - } - - if (i == TOP_CNT) { - CC += slope; - i = 0; - } - - if (i < CC) { - gpio_write_bit(ERROR_LED_PORT, ERROR_LED_PIN, 1); - } else { - gpio_write_bit(ERROR_LED_PORT, ERROR_LED_PIN, 0); - } - i++; - } -} - -- cgit v1.2.3