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[l1] fix whitespace and missing license info

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Earlier additions to the L1 support were not correctly using linux
coding guidelines as specified in /HACKING.

Some examples were also missing license information.
This commit is contained in:
Karl Palsson 2013-01-22 21:51:24 +00:00
parent 20bfcaeb1c
commit 48eed286b9
6 changed files with 200 additions and 165 deletions
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38
examples/stm32/l1/stm32l-discovery/button-irq-printf/main.c
View File

@ -1,5 +1,20 @@
/*
* Karl Palsson, 2012 <karlp@tweak.net.au
* This file is part of the libopencm3 project.
*
* Copyright (C) 2012 Karl Palsson <karlp@tweak.net.au>
*
* 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 <errno.h>
@ -15,7 +30,8 @@
static struct state_t state;
void clock_setup(void) {
void clock_setup(void)
{
/* Lots of things on all ports... */
rcc_peripheral_enable_clock(&RCC_AHBENR, RCC_AHBENR_GPIOAEN);
rcc_peripheral_enable_clock(&RCC_AHBENR, RCC_AHBENR_GPIOBEN);
@ -24,7 +40,8 @@ void clock_setup(void) {
rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_USART2EN);
}
void gpio_setup(void) {
void gpio_setup(void)
{
gpio_mode_setup(LED_DISCO_GREEN_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, LED_DISCO_GREEN_PIN);
/* Setup GPIO pins for USART2 transmit. */
@ -34,7 +51,8 @@ void gpio_setup(void) {
gpio_set_af(GPIOA, GPIO_AF7, GPIO2);
}
void usart_setup(void) {
void usart_setup(void)
{
usart_set_baudrate(USART_CONSOLE, 115200);
usart_set_databits(USART_CONSOLE, 8);
usart_set_stopbits(USART_CONSOLE, USART_STOPBITS_1);
@ -53,7 +71,8 @@ void usart_setup(void) {
* @param len
* @return
*/
int _write(int file, char *ptr, int len) {
int _write(int file, char *ptr, int len)
{
int i;
if (file == STDOUT_FILENO || file == STDERR_FILENO) {
@ -69,7 +88,8 @@ int _write(int file, char *ptr, int len) {
return -1;
}
void BUTTON_DISCO_USER_isr(void) {
void BUTTON_DISCO_USER_isr(void)
{
exti_reset_request(BUTTON_DISCO_USER_EXTI);
if (state.falling) {
state.falling = false;
@ -84,7 +104,8 @@ void BUTTON_DISCO_USER_isr(void) {
}
}
void setup_buttons(void) {
void setup_buttons(void)
{
/* Enable EXTI0 interrupt. */
nvic_enable_irq(BUTTON_DISCO_USER_NVIC);
@ -97,7 +118,8 @@ void setup_buttons(void) {
exti_enable_request(BUTTON_DISCO_USER_EXTI);
}
int main(void) {
int main(void)
{
int i;
int j = 0;
clock_setup();

18
examples/stm32/l1/stm32l-discovery/button-irq-printf/syscfg.h
View File

@ -1,7 +1,20 @@
/*
* General configuration of the device
* This file is part of the libopencm3 project.
*
* Karl Palsson <karlp@tweak.net.au> 2012
* Copyright (C) 2012 Karl Palsson <karlp@tweak.net.au>
*
* 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/>.
*/
#ifndef SYSCFG_H
@ -31,7 +44,6 @@ extern "C" {
#define BUTTON_DISCO_USER_isr exti0_isr
#define BUTTON_DISCO_USER_NVIC NVIC_EXTI0_IRQ
struct state_t {
bool falling;
};

12
examples/stm32/l1/stm32l-discovery/usart/usart.c
View File

@ -22,7 +22,8 @@
#include <libopencm3/stm32/l1/gpio.h>
#include <libopencm3/stm32/usart.h>
void clock_setup(void) {
void clock_setup(void)
{
/* We are running on MSI after boot. */
/* Enable GPIOD clock for LED & USARTs. */
rcc_peripheral_enable_clock(&RCC_AHBENR, RCC_AHBENR_GPIOAEN);
@ -32,7 +33,8 @@ void clock_setup(void) {
rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_USART2EN);
}
void usart_setup(void) {
void usart_setup(void)
{
/* Setup USART2 parameters. */
usart_set_baudrate(USART2, 38400);
usart_set_databits(USART2, 8);
@ -45,7 +47,8 @@ void usart_setup(void) {
usart_enable(USART2);
}
void gpio_setup(void) {
void gpio_setup(void)
{
/* Setup GPIO pin GPIO7 on GPIO port B for Green LED. */
gpio_mode_setup(GPIOB, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO7);
@ -56,7 +59,8 @@ void gpio_setup(void) {
gpio_set_af(GPIOA, GPIO_AF7, GPIO2);
}
int main(void) {
int main(void)
{
int i, j = 0, c = 0;
clock_setup();

2
include/libopencm3/stm32/l1/pwr.h
View File

@ -74,8 +74,6 @@
/* VREFINTRDYF: Internal voltage reference (VREFINT) ready flag */
#define PWR_CSR_VREFINTRDYF (1 << 3)
/* --- Function prototypes ------------------------------------------------- */
typedef enum {

3
lib/stm32/l1/rcc.c
View File

@ -29,8 +29,7 @@
u32 rcc_ppre1_frequency = 2097000;
u32 rcc_ppre2_frequency = 2097000;
const clock_scale_t clock_vrange1_config[CLOCK_VRANGE1_END] =
{
const clock_scale_t clock_vrange1_config[CLOCK_VRANGE1_END] ={
{ /* 24MHz PLL from HSI */
.pll_source = RCC_CFGR_PLLSRC_HSI_CLK,
.pll_mul = RCC_CFGR_PLLMUL_MUL3,