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-rw-r--r--src/lib/util.c103
1 files changed, 0 insertions, 103 deletions
diff --git a/src/lib/util.c b/src/lib/util.c
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--- 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 <http://www.gnu.org/licenses/>.
- *
- * 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++;
- }
-}
-