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stm32f3: drop redundant gpio.c

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All methods in this file are in either
* common/gpio_common_all.c
* common/gpio_common_f0234.c

Those other files have better doxygen commentary, this file should never
have been added.
This commit is contained in:
Karl Palsson 2014-07-17 09:52:06 +00:00 committed by Karl Palsson
parent 884924d598
commit 8fa7727b09
2 changed files with 1 additions and 167 deletions
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2
lib/stm32/f3/Makefile
View File

@ -35,7 +35,7 @@ CFLAGS = -Os -g \
ARFLAGS = rcs
OBJS = rcc.o gpio.o adc.o i2c.o usart.o dma.o flash.o
OBJS = rcc.o adc.o i2c.o usart.o dma.o flash.o
OBJS += gpio_common_all.o gpio_common_f0234.o \
dac_common_all.o usart_common_all.o crc_common_all.o\

166
lib/stm32/f3/gpio.c
View File

@ -1,166 +0,0 @@
/** @defgroup gpio_file GPIO
*
* @ingroup STM32F3xx
*
* @brief <b>libopencm3 STM32F3xx General Purpose I/O</b>
*
* @version 1.0.0
*
* @date 11 July 2013
*
* LGPL License Terms @ref lgpl_license
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
* Modified by 2013 Fernando Cortes <fernando.corcam@gmail.com> (stm32f3)
* Modified by 2013 Guillermo Rivera <memogrg@gmail.com> (stm32f3)
*
* 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/gpio.h>
void gpio_mode_setup(uint32_t gpioport, uint8_t mode, uint8_t pull_up_down,
uint16_t gpios)
{
uint16_t i;
uint32_t moder, pupd;
/*
* We want to set the config only for the pins mentioned in gpios,
* but keeping the others, so read out the actual config first.
*/
moder = GPIO_MODER(gpioport);
pupd = GPIO_PUPDR(gpioport);
for (i = 0; i < 16; i++) {
if (!((1 << i) & gpios)) {
continue;
}
moder &= ~GPIO_MODE_MASK(i);
moder |= GPIO_MODE(i, mode);
pupd &= ~GPIO_PUPD_MASK(i);
pupd |= GPIO_PUPD(i, pull_up_down);
}
/* Set mode and pull up/down control registers. */
GPIO_MODER(gpioport) = moder;
GPIO_PUPDR(gpioport) = pupd;
}
void gpio_set_output_options(uint32_t gpioport, uint8_t otype, uint8_t speed,
uint16_t gpios)
{
uint16_t i;
uint32_t ospeedr;
if (otype == 0x1) {
GPIO_OTYPER(gpioport) |= gpios;
} else {
GPIO_OTYPER(gpioport) &= ~gpios;
}
ospeedr = GPIO_OSPEEDR(gpioport);
for (i = 0; i < 16; i++) {
if (!((1 << i) & gpios)) {
continue;
}
ospeedr &= ~GPIO_OSPEED_MASK(i);
ospeedr |= GPIO_OSPEED(i, speed);
}
GPIO_OSPEEDR(gpioport) = ospeedr;
}
void gpio_set_af(uint32_t gpioport, uint8_t alt_func_num, uint16_t gpios)
{
uint16_t i;
uint32_t afrl, afrh;
afrl = GPIO_AFRL(gpioport);
afrh = GPIO_AFRH(gpioport);
for (i = 0; i < 8; i++) {
if (!((1 << i) & gpios)) {
continue;
}
afrl &= ~GPIO_AFR_MASK(i);
afrl |= GPIO_AFR(i, alt_func_num);
}
for (i = 8; i < 16; i++) {
if (!((1 << i) & gpios)) {
continue;
}
afrl &= ~GPIO_AFR_MASK(i - 8);
afrh |= GPIO_AFR(i - 8, alt_func_num);
}
GPIO_AFRL(gpioport) = afrl;
GPIO_AFRH(gpioport) = afrh;
}
void gpio_set(uint32_t gpioport, uint16_t gpios)
{
GPIO_BSRR(gpioport) = gpios;
}
void gpio_clear(uint32_t gpioport, uint16_t gpios)
{
GPIO_BSRR(gpioport) = gpios << 16;
}
uint16_t gpio_get(uint32_t gpioport, uint16_t gpios)
{
return gpio_port_read(gpioport) & gpios;
}
void gpio_toggle(uint32_t gpioport, uint16_t gpios)
{
GPIO_ODR(gpioport) ^= gpios;
}
uint16_t gpio_port_read(uint32_t gpioport)
{
return (uint16_t)GPIO_IDR(gpioport);
}
void gpio_port_write(uint32_t gpioport, uint16_t data)
{
GPIO_ODR(gpioport) = data;
}
void gpio_port_config_lock(uint32_t gpioport, uint16_t gpios)
{
uint32_t reg32;
/* Special "Lock Key Writing Sequence", see datasheet. */
GPIO_LCKR(gpioport) = GPIO_LCKK | gpios; /* Set LCKK. */
GPIO_LCKR(gpioport) = ~GPIO_LCKK & gpios; /* Clear LCKK. */
GPIO_LCKR(gpioport) = GPIO_LCKK | gpios; /* Set LCKK. */
reg32 = GPIO_LCKR(gpioport); /* Read LCKK. */
reg32 = GPIO_LCKR(gpioport); /* Read LCKK again. */
/*
* Tell the compiler the variable is actually used.
* It will get optimized out anyways.
*/
reg32 = reg32;
/* If (reg32 & GPIO_LCKK) is true, the lock is now active. */
}