diff options
Diffstat (limited to 'nuttx/configs/px4io/src/drv_gpio.c')
| -rw-r--r-- | nuttx/configs/px4io/src/drv_gpio.c | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/nuttx/configs/px4io/src/drv_gpio.c b/nuttx/configs/px4io/src/drv_gpio.c deleted file mode 100644 index e53660a3c..000000000 --- a/nuttx/configs/px4io/src/drv_gpio.c +++ /dev/null @@ -1,110 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file GPIO driver for PX4IO. - */ - -#include <nuttx/config.h> - -#include <sys/types.h> -#include <stdbool.h> - -#include <errno.h> - -#include <arch/board/board.h> -#include <arch/board/drv_gpio.h> - -#include "px4io_internal.h" -#include "stm32_gpio.h" - -static int gpio_ioctl(struct file *filep, int cmd, unsigned long arg); - -static const struct file_operations gpio_fops = { - .ioctl = gpio_ioctl -}; - -/* - * Order of initialisers in this array must match the order of - * GPIO_ definitions in drv_gpio.h - */ -static const uint32_t gpios[] = { - /* settable */ - GPIO_ACC1_PWR_EN, - GPIO_ACC2_PWR_EN, - GPIO_SERVO_PWR_EN, - GPIO_RELAY1_EN, - GPIO_RELAY2_EN, - GPIO_LED1, - GPIO_LED2, - GPIO_LED3, - - /* readonly */ - GPIO_ACC_OC_DETECT, - GPIO_SERVO_OC_DETECT, - GPIO_BTN_SAFETY -}; - -int -gpio_drv_init(void) -{ - int i; - - /* initialise GPIOs */ - for (i = 0; i < GPIO_MAX; i++) - if (gpios[i]) - stm32_configgpio(gpios[i]); - - /* register the device */ - return register_driver("/dev/gpio", &gpio_fops, 0666, NULL); -} - -static int -gpio_ioctl(struct file *filep, int cmd, unsigned long arg) -{ - /* attempt to set a GPIO? */ - if ((cmd >= GPIO_SET(0)) && (cmd <= GPIO_SET(GPIO_MAX_SETTABLE))) { - uint32_t gpio = gpios[cmd - GPIO_SET(0)]; - - if (gpio != 0) { - stm32_gpiowrite(gpio, arg ? true : false); - return 0; - } - } else if ((cmd >= GPIO_GET(0)) && (cmd <= GPIO_GET(GPIO_MAX))) { - uint32_t gpio = gpios[cmd - GPIO_GET(0)]; - - if (gpio != 0) - return stm32_gpioread(gpio) ? 1 : 0; - } - return -ENOTTY; -}
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