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/************************************************************************************
* arch/arm/src/stm32/chip/stm32f40xxx_gpio.h
*
* Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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.
*
************************************************************************************/
#ifndef __ARCH_ARM_SRC_STM32_CHIP_STM32F40XXX_GPIO_H
#define __ARCH_ARM_SRC_STM32_CHIP_STM32F40XXX_GPIO_H
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
#define STM32_NGPIO_PORTS ((STM32_NGPIO + 15) >> 4)
/* Register Offsets *****************************************************************/
#define STM32_GPIO_MODER_OFFSET 0x0000 /* GPIO port mode register */
#define STM32_GPIO_OTYPER_OFFSET 0x0004 /* GPIO port output type register */
#define STM32_GPIO_OSPEED_OFFSET 0x0008 /* GPIO port output speed register */
#define STM32_GPIO_PUPDR_OFFSET 0x000c /* GPIO port pull-up/pull-down register */
#define STM32_GPIO_IDR_OFFSET 0x0010 /* GPIO port input data register */
#define STM32_GPIO_ODR_OFFSET 0x0014 /* GPIO port output data register */
#define STM32_GPIO_BSRR_OFFSET 0x0018 /* GPIO port bit set/reset register */
#define STM32_GPIO_LCKR_OFFSET 0x001c /* GPIO port configuration lock register */
#define STM32_GPIO_AFRL_OFFSET 0x0020 /* GPIO alternate function low register */
#define STM32_GPIO_AFRH_OFFSET 0x0024 /* GPIO alternate function high register */
/* Register Addresses ***************************************************************/
#if STM32_NGPIO_PORTS > 0
# define STM32_GPIOA_MODER (STM32_GPIOA_BASE+STM32_GPIO_MODER_OFFSET)
# define STM32_GPIOA_OTYPER (STM32_GPIOA_BASE+STM32_GPIO_OTYPER_OFFSET)
# define STM32_GPIOA_OSPEED (STM32_GPIOA_BASE+STM32_GPIO_OSPEED_OFFSET)
# define STM32_GPIOA_PUPDR (STM32_GPIOA_BASE+STM32_GPIO_PUPDR_OFFSET)
# define STM32_GPIOA_IDR (STM32_GPIOA_BASE+STM32_GPIO_IDR_OFFSET)
# define STM32_GPIOA_ODR (STM32_GPIOA_BASE+STM32_GPIO_ODR_OFFSET)
# define STM32_GPIOA_BSRR (STM32_GPIOA_BASE+STM32_GPIO_BSRR_OFFSET)
# define STM32_GPIOA_LCKR (STM32_GPIOA_BASE+STM32_GPIO_LCKR_OFFSET)
# define STM32_GPIOA_AFRL (STM32_GPIOA_BASE+STM32_GPIO_AFRL_OFFSET)
# define STM32_GPIOA_AFRH (STM32_GPIOA_BASE+STM32_GPIO_AFRH_OFFSET)
#endif
#if STM32_NGPIO_PORTS > 1
# define STM32_GPIOB_MODER (STM32_GPIOB_BASE+STM32_GPIO_MODER_OFFSET)
# define STM32_GPIOB_OTYPER (STM32_GPIOB_BASE+STM32_GPIO_OTYPER_OFFSET)
# define STM32_GPIOB_OSPEED (STM32_GPIOB_BASE+STM32_GPIO_OSPEED_OFFSET)
# define STM32_GPIOB_PUPDR (STM32_GPIOB_BASE+STM32_GPIO_PUPDR_OFFSET)
# define STM32_GPIOB_IDR (STM32_GPIOB_BASE+STM32_GPIO_IDR_OFFSET)
# define STM32_GPIOB_ODR (STM32_GPIOB_BASE+STM32_GPIO_ODR_OFFSET)
# define STM32_GPIOB_BSRR (STM32_GPIOB_BASE+STM32_GPIO_BSRR_OFFSET)
# define STM32_GPIOB_LCKR (STM32_GPIOB_BASE+STM32_GPIO_LCKR_OFFSET)
# define STM32_GPIOB_AFRL (STM32_GPIOB_BASE+STM32_GPIO_AFRL_OFFSET)
# define STM32_GPIOB_AFRH (STM32_GPIOB_BASE+STM32_GPIO_AFRH_OFFSET)
#endif
#if STM32_NGPIO_PORTS > 2
# define STM32_GPIOC_MODER (STM32_GPIOC_BASE+STM32_GPIO_MODER_OFFSET)
# define STM32_GPIOC_OTYPER (STM32_GPIOC_BASE+STM32_GPIO_OTYPER_OFFSET)
# define STM32_GPIOC_OSPEED (STM32_GPIOC_BASE+STM32_GPIO_OSPEED_OFFSET)
# define STM32_GPIOC_PUPDR (STM32_GPIOC_BASE+STM32_GPIO_PUPDR_OFFSET)
# define STM32_GPIOC_IDR (STM32_GPIOC_BASE+STM32_GPIO_IDR_OFFSET)
# define STM32_GPIOC_ODR (STM32_GPIOC_BASE+STM32_GPIO_ODR_OFFSET)
# define STM32_GPIOC_BSRR (STM32_GPIOC_BASE+STM32_GPIO_BSRR_OFFSET)
# define STM32_GPIOC_LCKR (STM32_GPIOC_BASE+STM32_GPIO_LCKR_OFFSET)
# define STM32_GPIOC_AFRL (STM32_GPIOC_BASE+STM32_GPIO_AFRL_OFFSET)
# define STM32_GPIOC_AFRH (STM32_GPIOC_BASE+STM32_GPIO_AFRH_OFFSET)
#endif
#if STM32_NGPIO_PORTS > 3
# define STM32_GPIOD_MODER (STM32_GPIOD_BASE+STM32_GPIO_MODER_OFFSET)
# define STM32_GPIOD_OTYPER (STM32_GPIOD_BASE+STM32_GPIO_OTYPER_OFFSET)
# define STM32_GPIOD_OSPEED (STM32_GPIOD_BASE+STM32_GPIO_OSPEED_OFFSET)
# define STM32_GPIOD_PUPDR (STM32_GPIOD_BASE+STM32_GPIO_PUPDR_OFFSET)
# define STM32_GPIOD_IDR (STM32_GPIOD_BASE+STM32_GPIO_IDR_OFFSET)
# define STM32_GPIOD_ODR (STM32_GPIOD_BASE+STM32_GPIO_ODR_OFFSET)
# define STM32_GPIOD_BSRR (STM32_GPIOD_BASE+STM32_GPIO_BSRR_OFFSET)
# define STM32_GPIOD_LCKR (STM32_GPIOD_BASE+STM32_GPIO_LCKR_OFFSET)
# define STM32_GPIOD_AFRL (STM32_GPIOD_BASE+STM32_GPIO_AFRL_OFFSET)
# define STM32_GPIOD_AFRH (STM32_GPIOD_BASE+STM32_GPIO_AFRH_OFFSET)
#endif
#if STM32_NGPIO_PORTS > 4
# define STM32_GPIOE_MODER (STM32_GPIOE_BASE+STM32_GPIO_MODER_OFFSET)
# define STM32_GPIOE_OTYPER (STM32_GPIOE_BASE+STM32_GPIO_OTYPER_OFFSET)
# define STM32_GPIOE_OSPEED (STM32_GPIOE_BASE+STM32_GPIO_OSPEED_OFFSET)
# define STM32_GPIOE_PUPDR (STM32_GPIOE_BASE+STM32_GPIO_PUPDR_OFFSET)
# define STM32_GPIOE_IDR (STM32_GPIOE_BASE+STM32_GPIO_IDR_OFFSET)
# define STM32_GPIOE_ODR (STM32_GPIOE_BASE+STM32_GPIO_ODR_OFFSET)
# define STM32_GPIOE_BSRR (STM32_GPIOE_BASE+STM32_GPIO_BSRR_OFFSET)
# define STM32_GPIOE_LCKR (STM32_GPIOE_BASE+STM32_GPIO_LCKR_OFFSET)
# define STM32_GPIOE_AFRL (STM32_GPIOE_BASE+STM32_GPIO_AFRL_OFFSET)
# define STM32_GPIOE_AFRH (STM32_GPIOE_BASE+STM32_GPIO_AFRH_OFFSET)
#endif
#if STM32_NGPIO_PORTS > 5
# define STM32_GPIOF_MODER (STM32_GPIOF_BASE+STM32_GPIO_MODER_OFFSET)
# define STM32_GPIOF_OTYPER (STM32_GPIOF_BASE+STM32_GPIO_OTYPER_OFFSET)
# define STM32_GPIOF_OSPEED (STM32_GPIOF_BASE+STM32_GPIO_OSPEED_OFFSET)
# define STM32_GPIOF_PUPDR (STM32_GPIOF_BASE+STM32_GPIO_PUPDR_OFFSET)
# define STM32_GPIOF_IDR (STM32_GPIOF_BASE+STM32_GPIO_IDR_OFFSET)
# define STM32_GPIOF_ODR (STM32_GPIOF_BASE+STM32_GPIO_ODR_OFFSET)
# define STM32_GPIOF_BSRR (STM32_GPIOF_BASE+STM32_GPIO_BSRR_OFFSET)
# define STM32_GPIOF_LCKR (STM32_GPIOF_BASE+STM32_GPIO_LCKR_OFFSET)
# define STM32_GPIOF_AFRL (STM32_GPIOF_BASE+STM32_GPIO_AFRL_OFFSET)
# define STM32_GPIOF_AFRH (STM32_GPIOF_BASE+STM32_GPIO_AFRH_OFFSET)
#endif
#if STM32_NGPIO_PORTS > 6
# define STM32_GPIOG_MODER (STM32_GPIOG_BASE+STM32_GPIO_MODER_OFFSET)
# define STM32_GPIOG_OTYPER (STM32_GPIOG_BASE+STM32_GPIO_OTYPER_OFFSET)
# define STM32_GPIOG_OSPEED (STM32_GPIOG_BASE+STM32_GPIO_OSPEED_OFFSET)
# define STM32_GPIOG_PUPDR (STM32_GPIOG_BASE+STM32_GPIO_PUPDR_OFFSET)
# define STM32_GPIOG_IDR (STM32_GPIOG_BASE+STM32_GPIO_IDR_OFFSET)
# define STM32_GPIOG_ODR (STM32_GPIOG_BASE+STM32_GPIO_ODR_OFFSET)
# define STM32_GPIOG_BSRR (STM32_GPIOG_BASE+STM32_GPIO_BSRR_OFFSET)
# define STM32_GPIOG_LCKR (STM32_GPIOG_BASE+STM32_GPIO_LCKR_OFFSET)
# define STM32_GPIOG_AFRL (STM32_GPIOG_BASE+STM32_GPIO_AFRL_OFFSET)
# define STM32_GPIOG_AFRH (STM32_GPIOG_BASE+STM32_GPIO_AFRH_OFFSET)
#endif
#if STM32_NGPIO_PORTS > 7
# define STM32_GPIOH_MODER (STM32_GPIOH_BASE+STM32_GPIO_MODER_OFFSET)
# define STM32_GPIOH_OTYPER (STM32_GPIOH_BASE+STM32_GPIO_OTYPER_OFFSET)
# define STM32_GPIOH_OSPEED (STM32_GPIOH_BASE+STM32_GPIO_OSPEED_OFFSET)
# define STM32_GPIOH_PUPDR (STM32_GPIOH_BASE+STM32_GPIO_PUPDR_OFFSET)
# define STM32_GPIOH_IDR (STM32_GPIOH_BASE+STM32_GPIO_IDR_OFFSET)
# define STM32_GPIOH_ODR (STM32_GPIOH_BASE+STM32_GPIO_ODR_OFFSET)
# define STM32_GPIOH_BSRR (STM32_GPIOH_BASE+STM32_GPIO_BSRR_OFFSET)
# define STM32_GPIOH_LCKR (STM32_GPIOH_BASE+STM32_GPIO_LCKR_OFFSET)
# define STM32_GPIOH_AFRL (STM32_GPIOH_BASE+STM32_GPIO_AFRL_OFFSET)
# define STM32_GPIOH_AFRH (STM32_GPIOH_BASE+STM32_GPIO_AFRH_OFFSET)
#endif
#if STM32_NGPIO_PORTS > 8
# define STM32_GPIOI_MODER (STM32_GPIOI_BASE+STM32_GPIO_MODER_OFFSET)
# define STM32_GPIOI_OTYPER (STM32_GPIOI_BASE+STM32_GPIO_OTYPER_OFFSET)
# define STM32_GPIOI_OSPEED (STM32_GPIOI_BASE+STM32_GPIO_OSPEED_OFFSET)
# define STM32_GPIOI_PUPDR (STM32_GPIOI_BASE+STM32_GPIO_PUPDR_OFFSET)
# define STM32_GPIOI_IDR (STM32_GPIOI_BASE+STM32_GPIO_IDR_OFFSET)
# define STM32_GPIOI_ODR (STM32_GPIOI_BASE+STM32_GPIO_ODR_OFFSET)
# define STM32_GPIOI_BSRR (STM32_GPIOI_BASE+STM32_GPIO_BSRR_OFFSET)
# define STM32_GPIOI_LCKR (STM32_GPIOI_BASE+STM32_GPIO_LCKR_OFFSET)
# define STM32_GPIOI_AFRL (STM32_GPIOI_BASE+STM32_GPIO_AFRL_OFFSET)
# define STM32_GPIOI_AFRH (STM32_GPIOI_BASE+STM32_GPIO_AFRH_OFFSET)
#endif
/* Register Bitfield Definitions ****************************************************/
/* GPIO port mode register */
#define GPIO_MODER_INPUT (0) /* Input */
#define GPIO_MODER_OUTPUT (1) /* General purpose output mode */
#define GPIO_MODER_ALT (2) /* Alternate mode */
#define GPIO_MODER_ANALOG (3) /* Analog mode */
#define GPIO_MODER_SHIFT(n) ((n) << 1)
#define GPIO_MODER_MASK(n) (3 << GPIO_MODER_SHIFT(n))
#define GPIO_MODER0_SHIFT (0)
#define GPIO_MODER0_MASK (3 << GPIO_MODER0_SHIFT)
#define GPIO_MODER1_SHIFT (2)
#define GPIO_MODER1_MASK (3 << GPIO_MODER1_SHIFT)
#define GPIO_MODER2_SHIFT (4)
#define GPIO_MODER2_MASK (3 << GPIO_MODER2_SHIFT)
#define GPIO_MODER3_SHIFT (6)
#define GPIO_MODER3_MASK (3 << GPIO_MODER3_SHIFT)
#define GPIO_MODER4_SHIFT (8)
#define GPIO_MODER4_MASK (3 << GPIO_MODER4_SHIFT)
#define GPIO_MODER5_SHIFT (10)
#define GPIO_MODER5_MASK (3 << GPIO_MODER5_SHIFT)
#define GPIO_MODER6_SHIFT (12)
#define GPIO_MODER6_MASK (3 << GPIO_MODER6_SHIFT)
#define GPIO_MODER7_SHIFT (14)
#define GPIO_MODER7_MASK (3 << GPIO_MODER7_SHIFT)
#define GPIO_MODER8_SHIFT (16)
#define GPIO_MODER8_MASK (3 << GPIO_MODER8_SHIFT)
#define GPIO_MODER9_SHIFT (18)
#define GPIO_MODER9_MASK (3 << GPIO_MODER9_SHIFT)
#define GPIO_MODER10_SHIFT (20)
#define GPIO_MODER10_MASK (3 << GPIO_MODER10_SHIFT)
#define GPIO_MODER11_SHIFT (22)
#define GPIO_MODER11_MASK (3 << GPIO_MODER11_SHIFT)
#define GPIO_MODER12_SHIFT (24)
#define GPIO_MODER12_MASK (3 << GPIO_MODER12_SHIFT)
#define GPIO_MODER13_SHIFT (26)
#define GPIO_MODER13_MASK (3 << GPIO_MODER13_SHIFT)
#define GPIO_MODER14_SHIFT (28)
#define GPIO_MODER14_MASK (3 << GPIO_MODER14_SHIFT)
#define GPIO_MODER15_SHIFT (30)
#define GPIO_MODER15_MASK (3 << GPIO_MODER15_SHIFT)
/* GPIO port output type register */
#define GPIO_OTYPER_OD(n) (1 << (n)) /* 1=Output open-drain */
#define GPIO_OTYPER_PP(n) (0) /* 0=Ouput push-pull */
/* GPIO port output speed register */
#define GPIO_OSPEED_2MHz (0) /* 2 MHz Low speed */
#define GPIO_OSPEED_25MHz (1) /* 25 MHz Medium speed */
#define GPIO_OSPEED_50MHz (2) /* 50 MHz Fast speed */
#define GPIO_OSPEED_100MHz (3) /* 100 MHz High speed on 30 pF (80 MHz Output max speed on 15 pF) */
#define GPIO_OSPEED_SHIFT(n) ((n) << 1)
#define GPIO_OSPEED_MASK(n) (3 << GPIO_OSPEED_SHIFT(n))
#define GPIO_OSPEED0_SHIFT (0)
#define GPIO_OSPEED0_MASK (3 << GPIO_OSPEED0_SHIFT)
#define GPIO_OSPEED1_SHIFT (2)
#define GPIO_OSPEED1_MASK (3 << GPIO_OSPEED1_SHIFT)
#define GPIO_OSPEED2_SHIFT (4)
#define GPIO_OSPEED2_MASK (3 << GPIO_OSPEED2_SHIFT)
#define GPIO_OSPEED3_SHIFT (6)
#define GPIO_OSPEED3_MASK (3 << GPIO_OSPEED3_SHIFT)
#define GPIO_OSPEED4_SHIFT (8)
#define GPIO_OSPEED4_MASK (3 << GPIO_OSPEED4_SHIFT)
#define GPIO_OSPEED5_SHIFT (10)
#define GPIO_OSPEED5_MASK (3 << GPIO_OSPEED5_SHIFT)
#define GPIO_OSPEED6_SHIFT (12)
#define GPIO_OSPEED6_MASK (3 << GPIO_OSPEED6_SHIFT)
#define GPIO_OSPEED7_SHIFT (14)
#define GPIO_OSPEED7_MASK (3 << GPIO_OSPEED7_SHIFT)
#define GPIO_OSPEED8_SHIFT (16)
#define GPIO_OSPEED8_MASK (3 << GPIO_OSPEED8_SHIFT)
#define GPIO_OSPEED9_SHIFT (18)
#define GPIO_OSPEED9_MASK (3 << GPIO_OSPEED9_SHIFT)
#define GPIO_OSPEED10_SHIFT (20)
#define GPIO_OSPEED10_MASK (3 << GPIO_OSPEED10_SHIFT)
#define GPIO_OSPEED11_SHIFT (22)
#define GPIO_OSPEED11_MASK (3 << GPIO_OSPEED11_SHIFT)
#define GPIO_OSPEED12_SHIFT (24)
#define GPIO_OSPEED12_MASK (3 << GPIO_OSPEED12_SHIFT)
#define GPIO_OSPEED13_SHIFT (26)
#define GPIO_OSPEED13_MASK (3 << GPIO_OSPEED13_SHIFT)
#define GPIO_OSPEED14_SHIFT (28)
#define GPIO_OSPEED14_MASK (3 << GPIO_OSPEED14_SHIFT)
#define GPIO_OSPEED15_SHIFT (30)
#define GPIO_OSPEED15_MASK (3 << GPIO_OSPEED15_SHIFT)
/* GPIO port pull-up/pull-down register */
#define GPIO_PUPDR_NONE (0) /* No pull-up, pull-down */
#define GPIO_PUPDR_PULLUP (1) /* Pull-up */
#define GPIO_PUPDR_PULLDOWN (2) /* Pull-down */
#define GPIO_PUPDR_SHIFT(n) ((n) << 1)
#define GPIO_PUPDR_MASK(n) (3 << GPIO_PUPDR_SHIFT(n))
#define GPIO_PUPDR0_SHIFT (0)
#define GPIO_PUPDR0_MASK (3 << GPIO_PUPDR0_SHIFT)
#define GPIO_PUPDR1_SHIFT (2)
#define GPIO_PUPDR1_MASK (3 << GPIO_PUPDR1_SHIFT)
#define GPIO_PUPDR2_SHIFT (4)
#define GPIO_PUPDR2_MASK (3 << GPIO_PUPDR2_SHIFT)
#define GPIO_PUPDR3_SHIFT (6)
#define GPIO_PUPDR3_MASK (3 << GPIO_PUPDR3_SHIFT)
#define GPIO_PUPDR4_SHIFT (8)
#define GPIO_PUPDR4_MASK (3 << GPIO_PUPDR4_SHIFT)
#define GPIO_PUPDR5_SHIFT (10)
#define GPIO_PUPDR5_MASK (3 << GPIO_PUPDR5_SHIFT)
#define GPIO_PUPDR6_SHIFT (12)
#define GPIO_PUPDR6_MASK (3 << GPIO_PUPDR6_SHIFT)
#define GPIO_PUPDR7_SHIFT (14)
#define GPIO_PUPDR7_MASK (3 << GPIO_PUPDR7_SHIFT)
#define GPIO_PUPDR8_SHIFT (16)
#define GPIO_PUPDR8_MASK (3 << GPIO_PUPDR8_SHIFT)
#define GPIO_PUPDR9_SHIFT (18)
#define GPIO_PUPDR9_MASK (3 << GPIO_PUPDR9_SHIFT)
#define GPIO_PUPDR10_SHIFT (20)
#define GPIO_PUPDR10_MASK (3 << GPIO_PUPDR10_SHIFT)
#define GPIO_PUPDR11_SHIFT (22)
#define GPIO_PUPDR11_MASK (3 << GPIO_PUPDR11_SHIFT)
#define GPIO_PUPDR12_SHIFT (24)
#define GPIO_PUPDR12_MASK (3 << GPIO_PUPDR12_SHIFT)
#define GPIO_PUPDR13_SHIFT (26)
#define GPIO_PUPDR13_MASK (3 << GPIO_PUPDR13_SHIFT)
#define GPIO_PUPDR14_SHIFT (28)
#define GPIO_PUPDR14_MASK (3 << GPIO_PUPDR14_SHIFT)
#define GPIO_PUPDR15_SHIFT (30)
#define GPIO_PUPDR15_MASK (3 << GPIO_PUPDR15_SHIFT)
/* GPIO port input data register */
#define GPIO_IDR(n) (1 << (n))
/* GPIO port output data register */
#define GPIO_ODR(n) (1 << (n))
/* GPIO port bit set/reset register */
#define GPIO_BSRR_SET(n) (1 << (n))
#define GPIO_BSRR_RESET(n) (1 << ((n)+16))
/* GPIO port configuration lock register */
#define GPIO_LCKR(n) (1 << (n))
#define GPIO_LCKK (1 << 16) /* Lock key */
/* GPIO alternate function low/high register */
#define GPIO_AFR_SHIFT(n) ((n) << 2)
#define GPIO_AFR_MASK(n) (15 << GPIO_AFR_SHIFT(n))
#define GPIO_AFRL0_SHIFT (0)
#define GPIO_AFRL0_MASK (15 << GPIO_AFRL0_SHIFT)
#define GPIO_AFRL1_SHIFT (4)
#define GPIO_AFRL1_MASK (15 << GPIO_AFRL1_SHIFT)
#define GPIO_AFRL2_SHIFT (8)
#define GPIO_AFRL2_MASK (15 << GPIO_AFRL2_SHIFT)
#define GPIO_AFRL3_SHIFT (12)
#define GPIO_AFRL3_MASK (15 << GPIO_AFRL3_SHIFT)
#define GPIO_AFRL4_SHIFT (16)
#define GPIO_AFRL4_MASK (15 << GPIO_AFRL4_SHIFT)
#define GPIO_AFRL5_SHIFT (20)
#define GPIO_AFRL5_MASK (15 << GPIO_AFRL5_SHIFT)
#define GPIO_AFRL6_SHIFT (24)
#define GPIO_AFRL6_MASK (15 << GPIO_AFRL6_SHIFT)
#define GPIO_AFRL7_SHIFT (28)
#define GPIO_AFRL7_MASK (15 << GPIO_AFRL7_SHIFT)
#define GPIO_AFRH8_SHIFT (0)
#define GPIO_AFRH8_MASK (15 << GPIO_AFRH8_SHIFT)
#define GPIO_AFRH9_SHIFT (4)
#define GPIO_AFRH9_MASK (15 << GPIO_AFRH9_SHIFT)
#define GPIO_AFRH10_SHIFT (8)
#define GPIO_AFRH10_MASK (15 << GPIO_AFRH10_SHIFT)
#define GPIO_AFRH11_SHIFT (12)
#define GPIO_AFRH11_MASK (15 << GPIO_AFRH11_SHIFT)
#define GPIO_AFRH12_SHIFT (16)
#define GPIO_AFRH12_MASK (15 << GPIO_AFRH12_SHIFT)
#define GPIO_AFRH13_SHIFT (20)
#define GPIO_AFRH13_MASK (15 << GPIO_AFRH13_SHIFT)
#define GPIO_AFRH14_SHIFT (24)
#define GPIO_AFRH14_MASK (15 << GPIO_AFRH14_SHIFT)
#define GPIO_AFRH15_SHIFT (28)
#define GPIO_AFRH15_MASK (15 << GPIO_AFRH15_SHIFT)
#endif /* __ARCH_ARM_SRC_STM32_CHIP_STM32F40XXX_GPIO_H */
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