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stm32-h103 examples: Cosmetic and coding style fixes.

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This commit is contained in:
Uwe Hermann
2011-11-03 00:57:46 +01:00
parent a3ce2924df
commit 44bf853e6e
16 changed files with 317 additions and 363 deletions
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31
examples/stm32/f1/stm32-h103/usart_printf/usart_printf.c
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@@ -2,7 +2,7 @@
* This file is part of the libopencm3 project.
*
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>,
* 2011 Piotr Esden-Tempski <piotr@esden.net>
* Copyright (C) 2011 Piotr Esden-Tempski <piotr@esden.net>
*
* 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
@@ -22,7 +22,6 @@
#include <libopencm3/stm32/f1/gpio.h>
#include <libopencm3/stm32/usart.h>
#include <libopencm3/stm32/nvic.h>
#include <stdio.h>
#include <errno.h>
@@ -35,15 +34,14 @@ void clock_setup(void)
/* Enable clocks for GPIO port A (for GPIO_USART1_TX) and USART1. */
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN |
RCC_APB2ENR_AFIOEN |
RCC_APB2ENR_USART1EN);
RCC_APB2ENR_AFIOEN | RCC_APB2ENR_USART1EN);
}
void usart_setup(void)
{
/* Setup GPIO pin GPIO_USART1_RE_TX on GPIO port B for transmit. */
gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ,
GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_USART1_TX);
GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_USART1_TX);
/* Setup UART parameters. */
usart_set_baudrate(USART1, 230400, rcc_ppre2_frequency);
@@ -61,25 +59,23 @@ void gpio_setup(void)
{
gpio_set(GPIOC, GPIO12);
/* Setup GPIO6 and 7 (in GPIO port A) for led use. */
/* Setup GPIO6 and 7 (in GPIO port A) for LED use. */
gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ,
GPIO_CNF_OUTPUT_PUSHPULL, GPIO12);
}
int _write (int file, char *ptr, int len)
int _write(int file, char *ptr, int len)
{
int i;
int i;
if (file == 1) {
for (i = 0; i < len; i++){
for (i = 0; i < len; i++)
usart_send_blocking(USART1, ptr[i]);
}
return i;
}
errno = EIO;
return -1;
errno = EIO;
return -1;
}
int main(void)
@@ -93,15 +89,16 @@ int main(void)
usart_setup();
/*
* Write Hello World an integer, float and double all over
* Write Hello World, an integer, float and double all over
* again while incrementing the numbers.
*/
while (1) {
gpio_toggle(GPIOC, GPIO12);
printf("Hello World! %i %f %f\r\n", counter, fcounter, dcounter);
printf("Hello World! %i %f %f\r\n", counter, fcounter,
dcounter);
counter++;
fcounter+=0.01;
dcounter+=0.01;
fcounter += 0.01;
dcounter += 0.01;
}
return 0;