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Global: Remove temporary backup files

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file.c~ (note the tilde at the end) are temporary backup files used by some
editors. They are not needed.

Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
This commit is contained in:
Alexandru Gagniuc
2013-07-08 09:57:14 -05:00
parent b82cb85cc4
commit 408fa52ec3
6 changed files with 0 additions and 1093 deletions
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93
examples/stm32/f4/stm32f4-discovery/usart_irq/usart_irq.c~
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@@ -1,93 +0,0 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2011 Stephen Caudle <scaudle@doceme.com>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/stm32/f4/rcc.h>
#include <libopencm3/stm32/f4/gpio.h>
#include <libopencm3/stm32/usart.h>
void clock_setup(void)
{
/* Enable GPIOD clock for LED & USARTs. */
rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPDEN);
rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPAEN);
/* Enable clocks for USART2. */
rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_USART2EN);
}
void usart_setup(void)
{
/* Setup USART2 parameters. */
usart_set_baudrate(USART2, 38400);
usart_set_databits(USART2, 8);
usart_set_stopbits(USART2, USART_STOPBITS_1);
usart_set_mode(USART2, USART_MODE_TX);
usart_set_parity(USART2, USART_PARITY_NONE);
usart_set_flow_control(USART2, USART_FLOWCONTROL_NONE);
/* Finally enable the USART. */
usart_enable(USART2);
}
void gpio_setup(void)
{
/* Setup GPIO pin GPIO12 on GPIO port D for LED. */
gpio_mode_setup(GPIOD, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO12);
/* Setup GPIO pins for USART2 transmit. */
gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO2);
/* Setup GPIO pins for USART2 receive. */
gpio_mode_setup(GPIOA, GPIO_MODE_INPUT, GPIO_OTYPE_OD, GPIO3);
/* Setup USART2 TX and RX pin as alternate function. */
gpio_set_af(GPIOA, GPIO_AF7, GPIO2);
gpio_set_af(GPIOA, GPIO_AF7, GPIO3);
}
int main(void)
{
int i, j = 0, c = 0;
u16 in_ch = 0;
clock_setup();
gpio_setup();
usart_setup();
/* Blink the LED (PD12) on the board with every transmitted byte. */
while (1) {
gpio_toggle(GPIOD, GPIO12); /* LED on/off */
usart_send_blocking(USART2, c + '0'); /* USART2: Send byte. */
c = (c == 9) ? 0 : c + 1; /* Increment c. */
if ((j++ % 80) == 0) { /* Newline after line full. */
usart_send_blocking(USART2, '\r');
usart_send_blocking(USART2, '\n');
}
if ((USART_SR(usart) & USART_SR_RXNE) != 0) {
in_ch = usart_recv(USART2);
usart_send_blocking(USART2, in_ch);
}
for (i = 0; i < 3000000; i++) /* Wait a bit. */
__asm__("NOP");
}
return 0;
}