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author | Lorenz Meier <lm@inf.ethz.ch> | 2013-04-28 10:40:00 +0200 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2013-04-28 10:40:00 +0200 |
commit | 6aefe5fddfcba3f40406cd9cc85acf142421d53b (patch) | |
tree | 4ed847f064a474942d45bea4f069406946119db3 /src/drivers/drv_gpio.h | |
parent | d07631d0560dfb4e5e745fa81a0c2f160e9d5900 (diff) | |
parent | b1de6c0eaf26b9bb05075ffa18e1eb32d3cae75b (diff) | |
download | px4-firmware-6aefe5fddfcba3f40406cd9cc85acf142421d53b.tar.gz px4-firmware-6aefe5fddfcba3f40406cd9cc85acf142421d53b.tar.bz2 px4-firmware-6aefe5fddfcba3f40406cd9cc85acf142421d53b.zip |
Merged export-build
Diffstat (limited to 'src/drivers/drv_gpio.h')
-rw-r--r-- | src/drivers/drv_gpio.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/drivers/drv_gpio.h b/src/drivers/drv_gpio.h new file mode 100644 index 000000000..a4c59d218 --- /dev/null +++ b/src/drivers/drv_gpio.h @@ -0,0 +1,174 @@ +/**************************************************************************** + * + * 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 drv_gpio.h + * + * Generic GPIO ioctl interface. + */ + +#ifndef _DRV_GPIO_H +#define _DRV_GPIO_H + +#include <sys/ioctl.h> + +#ifdef CONFIG_ARCH_BOARD_PX4FMU +/* + * PX4FMU GPIO numbers. + * + * For shared pins, alternate function 1 selects the non-GPIO mode + * (USART2, CAN2, etc.) + */ +# define GPIO_EXT_1 (1<<0) /**< high-power GPIO 1 */ +# define GPIO_EXT_2 (1<<1) /**< high-power GPIO 1 */ +# define GPIO_MULTI_1 (1<<2) /**< USART2 CTS */ +# define GPIO_MULTI_2 (1<<3) /**< USART2 RTS */ +# define GPIO_MULTI_3 (1<<4) /**< USART2 TX */ +# define GPIO_MULTI_4 (1<<5) /**< USART2 RX */ +# define GPIO_CAN_TX (1<<6) /**< CAN2 TX */ +# define GPIO_CAN_RX (1<<7) /**< CAN2 RX */ + +/** + * Default GPIO device - other devices may also support this protocol if + * they also export GPIO-like things. This is always the GPIOs on the + * main board. + */ +# define GPIO_DEVICE_PATH "/dev/px4fmu" + +#endif + +#ifdef CONFIG_ARCH_BOARD_PX4FMUV2 +/* + * PX4FMUv2 GPIO numbers. + * + * There are no alternate functions on this board. + */ +# define GPIO_SERVO_1 (1<<0) /**< servo 1 output */ +# define GPIO_SERVO_2 (1<<1) /**< servo 2 output */ +# define GPIO_SERVO_3 (1<<2) /**< servo 3 output */ +# define GPIO_SERVO_4 (1<<3) /**< servo 4 output */ +# define GPIO_SERVO_5 (1<<4) /**< servo 5 output */ +# define GPIO_SERVO_6 (1<<5) /**< servo 6 output */ + +# define GPIO_5V_PERIPH_EN (1<<6) /**< PA8 - VDD_5V_PERIPH_EN */ +# define GPIO_5V_HIPOWER_OC (1<<7) /**< PE10 - !VDD_5V_HIPOWER_OC */ +# define GPIO_5V_PERIPH_OC (1<<8) /**< PE15 - !VDD_5V_PERIPH_OC */ + +/** + * Default GPIO device - other devices may also support this protocol if + * they also export GPIO-like things. This is always the GPIOs on the + * main board. + */ +# define GPIO_DEVICE_PATH "/dev/px4fmu" + +#endif + +#ifdef CONFIG_ARCH_BOARD_PX4IO +/* + * PX4IO GPIO numbers. + * + * XXX note that these are here for reference/future use; currently + * there is no good way to wire these up without a common STM32 GPIO + * driver, which isn't implemented yet. + */ +/* outputs */ +# define GPIO_ACC1_POWER (1<<0) /**< accessory power 1 */ +# define GPIO_ACC2_POWER (1<<1) /**< accessory power 2 */ +# define GPIO_SERVO_POWER (1<<2) /**< servo power */ +# define GPIO_RELAY1 (1<<3) /**< relay 1 */ +# define GPIO_RELAY2 (1<<4) /**< relay 2 */ +# define GPIO_LED_BLUE (1<<5) /**< blue LED */ +# define GPIO_LED_AMBER (1<<6) /**< amber/red LED */ +# define GPIO_LED_SAFETY (1<<7) /**< safety LED */ + +/* inputs */ +# define GPIO_ACC_OVERCURRENT (1<<8) /**< accessory 1/2 overcurrent detect */ +# define GPIO_SERVO_OVERCURRENT (1<<9) /**< servo overcurrent detect */ +# define GPIO_SAFETY_BUTTON (1<<10) /**< safety button pressed */ + +/** + * Default GPIO device - other devices may also support this protocol if + * they also export GPIO-like things. This is always the GPIOs on the + * main board. + */ +# define GPIO_DEVICE_PATH "/dev/px4io" + +#endif + +#ifndef GPIO_DEVICE_PATH +# error No GPIO support for this board. +#endif + +/* + * IOCTL definitions. + * + * For all ioctls, the (arg) argument is a bitmask of GPIOs to be affected + * by the operation, with the LSB being the lowest-numbered GPIO. + * + * Note that there may be board-specific relationships between GPIOs; + * applications using GPIOs should be aware of this. + */ +#define _GPIOCBASE 0x2700 +#define GPIOC(_x) _IOC(_GPIOCBASE, _x) + +/** reset all board GPIOs to their default state */ +#define GPIO_RESET GPIOC(0) + +/** configure the board GPIOs in (arg) as outputs */ +#define GPIO_SET_OUTPUT GPIOC(1) + +/** configure the board GPIOs in (arg) as inputs */ +#define GPIO_SET_INPUT GPIOC(2) + +/** configure the board GPIOs in (arg) for the first alternate function (if supported) */ +#define GPIO_SET_ALT_1 GPIOC(3) + +/** configure the board GPIO (arg) for the second alternate function (if supported) */ +#define GPIO_SET_ALT_2 GPIOC(4) + +/** configure the board GPIO (arg) for the third alternate function (if supported) */ +#define GPIO_SET_ALT_3 GPIOC(5) + +/** configure the board GPIO (arg) for the fourth alternate function (if supported) */ +#define GPIO_SET_ALT_4 GPIOC(6) + +/** set the GPIOs in (arg) */ +#define GPIO_SET GPIOC(10) + +/** clear the GPIOs in (arg) */ +#define GPIO_CLEAR GPIOC(11) + +/** read all the GPIOs and return their values in *(uint32_t *)arg */ +#define GPIO_GET GPIOC(12) + +#endif /* _DRV_GPIO_H */
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