diff --git a/arch/arm/src/stm32f7/chip/stm32_gpio.h b/arch/arm/src/stm32f7/chip/stm32_gpio.h new file mode 100644 index 00000000000..f1cb61c863a --- /dev/null +++ b/arch/arm/src/stm32f7/chip/stm32_gpio.h @@ -0,0 +1,53 @@ +/************************************************************************************ + * arch/arm/src/stm32f7/chip/stm32_gpio.h + * + * Copyright (C) 2015 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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_STM32F7_CHIP_STM32_GPIO_H +#define __ARCH_ARM_SRC_STM32F7_CHIP_STM32_GPIO_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include +#include "chip.h" + +#if defined(CONFIG_STM32F7_STM32F74XX) || defined(CONFIG_STM32F7_STM32F75XX) +# include "chip/stm32f74xx75xx_gpio.h" +#else +# error "Unsupported STM32 F7 part" +#endif + +#endif /* __ARCH_ARM_SRC_STM32F7_CHIP_STM32_GPIO_H */ + diff --git a/arch/arm/src/stm32f7/chip/stm32f74xx75xx_gpio.h b/arch/arm/src/stm32f7/chip/stm32f74xx75xx_gpio.h new file mode 100644 index 00000000000..c996f7d1052 --- /dev/null +++ b/arch/arm/src/stm32f7/chip/stm32f74xx75xx_gpio.h @@ -0,0 +1,419 @@ +/************************************************************************************ + * arch/arm/src/stm32f7/chip/stm32f74xxx75xx_gpio.h + * + * Copyright (C) 2005 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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_STM32F7_CHIP_STM32F74XX75XX_GPIO_H +#define __ARCH_ARM_SRC_STM32F7_CHIP_STM32F74XX75XX_GPIO_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include +#include + +#if defined(CONFIG_STM32F7_STM32F74XX) || defined(CONFIG_STM32F7_STM32F75XX) + +/************************************************************************************ + * Pre-processor Definitions + ************************************************************************************/ + +/* 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 */ +#define STM32_GPIO_BRR_OFFSET 0x0028 /* GPIO port bit reset register */ + +/* Register Addresses ***************************************************************/ + +#if STM32F7_NGPIO > 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) +# define STM32_GPIOA_BRR (STM32_GPIOA_BASE+STM32_GPIO_BRR_OFFSET) +#endif + +#if STM32F7_NGPIO > 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) +# define STM32_GPIOB_BRR (STM32_GPIOB_BASE+STM32_GPIO_BRR_OFFSET) +#endif + +#if STM32F7_NGPIO > 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) +# define STM32_GPIOC_BRR (STM32_GPIOC_BASE+STM32_GPIO_BRR_OFFSET) +#endif + +#if STM32F7_NGPIO > 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) +# define STM32_GPIOD_BRR (STM32_GPIOD_BASE+STM32_GPIO_BRR_OFFSET) +#endif + +#if STM32F7_NGPIO > 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) +# define STM32_GPIOE_BRR (STM32_GPIOE_BASE+STM32_GPIO_BRR_OFFSET) +#endif + +#if STM32F7_NGPIO > 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) +# define STM32_GPIOF_BRR (STM32_GPIOF_BASE+STM32_GPIO_BRR_OFFSET) +#endif + +#if STM32F7_NGPIO > 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) +# define STM32_GPIOG_BRR (STM32_GPIOG_BASE+STM32_GPIO_BRR_OFFSET) +#endif + +#if STM32F7_NGPIO > 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) +# define STM32_GPIOH_BRR (STM32_GPIOH_BASE+STM32_GPIO_BRR_OFFSET) +#endif + +#if STM32F7_NGPIO > 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) +# define STM32_GPIOI_BRR (STM32_GPIOI_BASE+STM32_GPIO_BRR_OFFSET) +#endif + +#if STM32F7_NGPIO > 9 +# define STM32_GPIOJ_MODER (STM32_GPIOJ_BASE+STM32_GPIO_MODER_OFFSET) +# define STM32_GPIOJ_OTYPER (STM32_GPIOJ_BASE+STM32_GPIO_OTYPER_OFFSET) +# define STM32_GPIOJ_OSPEED (STM32_GPIOJ_BASE+STM32_GPIO_OSPEED_OFFSET) +# define STM32_GPIOJ_PUPDR (STM32_GPIOJ_BASE+STM32_GPIO_PUPDR_OFFSET) +# define STM32_GPIOJ_IDR (STM32_GPIOJ_BASE+STM32_GPIO_IDR_OFFSET) +# define STM32_GPIOJ_ODR (STM32_GPIOJ_BASE+STM32_GPIO_ODR_OFFSET) +# define STM32_GPIOJ_BSRR (STM32_GPIOJ_BASE+STM32_GPIO_BSRR_OFFSET) +# define STM32_GPIOJ_LCKR (STM32_GPIOJ_BASE+STM32_GPIO_LCKR_OFFSET) +# define STM32_GPIOJ_AFRL (STM32_GPIOJ_BASE+STM32_GPIO_AFRL_OFFSET) +# define STM32_GPIOJ_AFRH (STM32_GPIOJ_BASE+STM32_GPIO_AFRH_OFFSET) +# define STM32_GPIOJ_BRR (STM32_GPIOJ_BASE+STM32_GPIO_BRR_OFFSET) +#endif + +#if STM32F7_NGPIO > 10 +# define STM32_GPIOK_MODER (STM32_GPIOK_BASE+STM32_GPIO_MODER_OFFSET) +# define STM32_GPIOK_OTYPER (STM32_GPIOK_BASE+STM32_GPIO_OTYPER_OFFSET) +# define STM32_GPIOK_OSPEED (STM32_GPIOK_BASE+STM32_GPIO_OSPEED_OFFSET) +# define STM32_GPIOK_PUPDR (STM32_GPIOK_BASE+STM32_GPIO_PUPDR_OFFSET) +# define STM32_GPIOK_IDR (STM32_GPIOK_BASE+STM32_GPIO_IDR_OFFSET) +# define STM32_GPIOK_ODR (STM32_GPIOK_BASE+STM32_GPIO_ODR_OFFSET) +# define STM32_GPIOK_BSRR (STM32_GPIOK_BASE+STM32_GPIO_BSRR_OFFSET) +# define STM32_GPIOK_LCKR (STM32_GPIOK_BASE+STM32_GPIO_LCKR_OFFSET) +# define STM32_GPIOK_AFRL (STM32_GPIOK_BASE+STM32_GPIO_AFRL_OFFSET) +# define STM32_GPIOK_AFRH (STM32_GPIOK_BASE+STM32_GPIO_AFRH_OFFSET) +# define STM32_GPIOK_BRR (STM32_GPIOK_BASE+STM32_GPIO_BRR_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) + +/* GPIO port bit reset register */ + +#define GPIO_BRR(n) (1 << (n)) + +#endif /* CONFIG_STM32F7_STM32F74XX || CONFIG_STM32F7_STM32F75XX */ +#endif /* __ARCH_ARM_SRC_STM32F7_CHIP_STM32F74XX75XX_GPIO_H */ diff --git a/arch/arm/src/stm32f7/chip/stm32f74xx75xx_memorymap.h b/arch/arm/src/stm32f7/chip/stm32f74xx75xx_memorymap.h index 82ba5bc99fa..82a5d2242bc 100644 --- a/arch/arm/src/stm32f7/chip/stm32f74xx75xx_memorymap.h +++ b/arch/arm/src/stm32f7/chip/stm32f74xx75xx_memorymap.h @@ -36,6 +36,14 @@ #ifndef __ARCH_ARM_SRC_STM32F7_CHIP_STM32F74XXX75XXX_MEMORYMAP_H #define __ARCH_ARM_SRC_STM32F7_CHIP_STM32F74XXX75XXX_MEMORYMAP_H +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include + +#if defined(CONFIG_STM32F7_STM32F74XX) || defined(CONFIG_STM32F7_STM32F75XX) + /************************************************************************************ * Pre-processor Definitions ************************************************************************************/ @@ -195,5 +203,5 @@ * address range */ +#endif /* CONFIG_STM32F7_STM32F74XX || CONFIG_STM32F7_STM32F75XX */ #endif /* __ARCH_ARM_SRC_STM32F7_CHIP_STM32F74XXX75XXX_MEMORYMAP_H */ - diff --git a/arch/arm/src/stm32f7/stm32_gpio.h b/arch/arm/src/stm32f7/stm32_gpio.h new file mode 100644 index 00000000000..7fff5e24998 --- /dev/null +++ b/arch/arm/src/stm32f7/stm32_gpio.h @@ -0,0 +1,373 @@ +/************************************************************************************ + * arch/arm/src/stm32f7/stm32_gpio.h + * + * Copyright (C) 2015 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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_STM32F7_STM32_GPIO_H +#define __ARCH_ARM_SRC_STM32F7_STM32_GPIO_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include + +#ifndef __ASSEMBLY__ +# include +# include +#endif + +#include + +#include "chip.h" +#include "chip/stm32_gpio.h" + +/************************************************************************************ + * Pre-Processor Declarations + ************************************************************************************/ + +/* Bit-encoded input to stm32_configgpio() */ + +/* Each port bit of the general-purpose I/O (GPIO) ports can be individually configured + * by software in several modes: + * + * - Input floating + * - Input pull-up + * - Input-pull-down + * - Output open-drain with pull-up or pull-down capability + * - Output push-pull with pull-up or pull-down capability + * - Alternate function push-pull with pull-up or pull-down capability + * - Alternate function open-drain with pull-up or pull-down capability + * - Analog + * + * 20-bit Encoding: 1111 1111 1100 0000 0000 + * 9876 5432 1098 7654 3210 + * ---- ---- ---- ---- ---- + * Inputs: MMUU .... ...X PPPP BBBB + * Outputs: MMUU .... FFOV PPPP BBBB + * Alternate Functions: MMUU AAAA FFO. PPPP BBBB + * Analog: MM.. .... .... PPPP BBBB + */ + +/* Mode: + * + * 1111 1111 1100 0000 0000 + * 9876 5432 1098 7654 3210 + * ---- ---- ---- ---- ---- + * MM.. .... .... .... .... + */ + +#define GPIO_MODE_SHIFT (18) /* Bits 18-19: GPIO port mode */ +#define GPIO_MODE_MASK (3 << GPIO_MODE_SHIFT) +# define GPIO_INPUT (0 << GPIO_MODE_SHIFT) /* Input mode */ +# define GPIO_OUTPUT (1 << GPIO_MODE_SHIFT) /* General purpose output mode */ +# define GPIO_ALT (2 << GPIO_MODE_SHIFT) /* Alternate function mode */ +# define GPIO_ANALOG (3 << GPIO_MODE_SHIFT) /* Analog mode */ + +/* Input/output pull-ups/downs (not used with analog): + * + * 1111 1111 1100 0000 0000 + * 9876 5432 1098 7654 3210 + * ---- ---- ---- ---- ---- + * ..UU .... .... .... .... + */ + +#define GPIO_PUPD_SHIFT (16) /* Bits 16-17: Pull-up/pull down */ +#define GPIO_PUPD_MASK (3 << GPIO_PUPD_SHIFT) +# define GPIO_FLOAT (0 << GPIO_PUPD_SHIFT) /* No pull-up, pull-down */ +# define GPIO_PULLUP (1 << GPIO_PUPD_SHIFT) /* Pull-up */ +# define GPIO_PULLDOWN (2 << GPIO_PUPD_SHIFT) /* Pull-down */ + +/* Alternate Functions: + * + * 1111 1111 1100 0000 0000 + * 9876 5432 1098 7654 3210 + * ---- ---- ---- ---- ---- + * .... AAAA .... .... .... + */ + +#define GPIO_AF_SHIFT (12) /* Bits 12-15: Alternate function */ +#define GPIO_AF_MASK (15 << GPIO_AF_SHIFT) +# define GPIO_AF(n) ((n) << GPIO_AF_SHIFT) +# define GPIO_AF0 (0 << GPIO_AF_SHIFT) +# define GPIO_AF1 (1 << GPIO_AF_SHIFT) +# define GPIO_AF2 (2 << GPIO_AF_SHIFT) +# define GPIO_AF3 (3 << GPIO_AF_SHIFT) +# define GPIO_AF4 (4 << GPIO_AF_SHIFT) +# define GPIO_AF5 (5 << GPIO_AF_SHIFT) +# define GPIO_AF6 (6 << GPIO_AF_SHIFT) +# define GPIO_AF7 (7 << GPIO_AF_SHIFT) +# define GPIO_AF8 (8 << GPIO_AF_SHIFT) +# define GPIO_AF9 (9 << GPIO_AF_SHIFT) +# define GPIO_AF10 (10 << GPIO_AF_SHIFT) +# define GPIO_AF11 (11 << GPIO_AF_SHIFT) +# define GPIO_AF12 (12 << GPIO_AF_SHIFT) +# define GPIO_AF13 (13 << GPIO_AF_SHIFT) +# define GPIO_AF14 (14 << GPIO_AF_SHIFT) +# define GPIO_AF15 (15 << GPIO_AF_SHIFT) + +/* Output/Alt function frequency selection: + * + * 1111 1111 1100 0000 0000 + * 9876 5432 1098 7654 3210 + * ---- ---- ---- ---- ---- + * .... .... FF.. .... .... + */ + +#define GPIO_SPEED_SHIFT (10) /* Bits 10-11: GPIO frequency selection */ +#define GPIO_SPEED_MASK (3 << GPIO_SPEED_SHIFT) +# define GPIO_SPEED_2MHz (0 << GPIO_SPEED_SHIFT) /* 2 MHz Low speed output */ +# define GPIO_SPEED_25MHz (1 << GPIO_SPEED_SHIFT) /* 25 MHz Medium speed output */ +# define GPIO_SPEED_50MHz (2 << GPIO_SPEED_SHIFT) /* 50 MHz Fast speed output */ +# define GPIO_SPEED_100MHz (3 << GPIO_SPEED_SHIFT) /* 100 MHz High speed output */ + +/* Output/Alt function type selection: + * + * 1111 1111 1100 0000 0000 + * 9876 5432 1098 7654 3210 + * ---- ---- ---- ---- ---- + * .... .... ..O. .... .... + */ + +#define GPIO_OPENDRAIN (1 << 9) /* Bit9: 1=Open-drain output */ +#define GPIO_PUSHPULL (0) /* Bit9: 0=Push-pull output */ + +/* If the pin is a GPIO digital output, then this identifies the initial output value. + * If the pin is an input, this bit is overloaded to provide the qualifier to + * distinquish input pull-up and -down: + * + * 1111 1111 1100 0000 0000 + * 9876 5432 1098 7654 3210 + * ---- ---- ---- ---- ---- + * .... .... ...V .... .... + */ + +#define GPIO_OUTPUT_SET (1 << 8) /* Bit 8: If output, inital value of output */ +#define GPIO_OUTPUT_CLEAR (0) + +/* External interrupt selection (GPIO inputs only): + * + * 1111 1111 1100 0000 0000 + * 9876 5432 1098 7654 3210 + * ---- ---- ---- ---- ---- + * .... .... ...X .... .... + */ + +#define GPIO_EXTI (1 << 8) /* Bit 8: Configure as EXTI interrupt */ + +/* This identifies the GPIO port: + * + * 1111 1111 1100 0000 0000 + * 9876 5432 1098 7654 3210 + * ---- ---- ---- ---- ---- + * .... .... .... PPPP .... + */ + +#define GPIO_PORT_SHIFT (4) /* Bit 4-7: Port number */ +#define GPIO_PORT_MASK (15 << GPIO_PORT_SHIFT) +# define GPIO_PORTA (0 << GPIO_PORT_SHIFT) /* GPIOA */ +# define GPIO_PORTB (1 << GPIO_PORT_SHIFT) /* GPIOB */ +# define GPIO_PORTC (2 << GPIO_PORT_SHIFT) /* GPIOC */ +# define GPIO_PORTD (3 << GPIO_PORT_SHIFT) /* GPIOD */ +# define GPIO_PORTE (4 << GPIO_PORT_SHIFT) /* GPIOE */ +# define GPIO_PORTF (5 << GPIO_PORT_SHIFT) /* GPIOF */ +# define GPIO_PORTG (6 << GPIO_PORT_SHIFT) /* GPIOG */ +# define GPIO_PORTH (7 << GPIO_PORT_SHIFT) /* GPIOH */ +# define GPIO_PORTI (8 << GPIO_PORT_SHIFT) /* GPIOI */ +# define GPIO_PORTJ (9 << GPIO_PORT_SHIFT) /* GPIOJ */ +# define GPIO_PORTK (10 << GPIO_PORT_SHIFT) /* GPIOK */ + +/* This identifies the bit in the port: + * + * 1111 1111 1100 0000 0000 + * 9876 5432 1098 7654 3210 + * ---- ---- ---- ---- ---- + * .... .... .... .... BBBB + */ + +#define GPIO_PIN_SHIFT (0) /* Bits 0-3: GPIO number: 0-15 */ +#define GPIO_PIN_MASK (15 << GPIO_PIN_SHIFT) +# define GPIO_PIN0 (0 << GPIO_PIN_SHIFT) +# define GPIO_PIN1 (1 << GPIO_PIN_SHIFT) +# define GPIO_PIN2 (2 << GPIO_PIN_SHIFT) +# define GPIO_PIN3 (3 << GPIO_PIN_SHIFT) +# define GPIO_PIN4 (4 << GPIO_PIN_SHIFT) +# define GPIO_PIN5 (5 << GPIO_PIN_SHIFT) +# define GPIO_PIN6 (6 << GPIO_PIN_SHIFT) +# define GPIO_PIN7 (7 << GPIO_PIN_SHIFT) +# define GPIO_PIN8 (8 << GPIO_PIN_SHIFT) +# define GPIO_PIN9 (9 << GPIO_PIN_SHIFT) +# define GPIO_PIN10 (10 << GPIO_PIN_SHIFT) +# define GPIO_PIN11 (11 << GPIO_PIN_SHIFT) +# define GPIO_PIN12 (12 << GPIO_PIN_SHIFT) +# define GPIO_PIN13 (13 << GPIO_PIN_SHIFT) +# define GPIO_PIN14 (14 << GPIO_PIN_SHIFT) +# define GPIO_PIN15 (15 << GPIO_PIN_SHIFT) + +/************************************************************************************ + * Public Data + ************************************************************************************/ + +#ifndef __ASSEMBLY__ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" +{ +#else +#define EXTERN extern +#endif + +/* Base addresses for each GPIO block */ + +EXTERN const uint32_t g_gpiobase[STM32F7_NGPIO]; + +/************************************************************************************ + * Public Function Prototypes + ************************************************************************************/ + +/************************************************************************************ + * Name: stm32_configgpio + * + * Description: + * Configure a GPIO pin based on bit-encoded description of the pin. + * Once it is configured as Alternative (GPIO_ALT|GPIO_CNF_AFPP|...) + * function, it must be unconfigured with stm32_unconfiggpio() with + * the same cfgset first before it can be set to non-alternative function. + * + * Returns: + * OK on success + * ERROR on invalid port, or when pin is locked as ALT function. + * + ************************************************************************************/ + +int stm32_configgpio(uint32_t cfgset); + +/************************************************************************************ + * Name: stm32_unconfiggpio + * + * Description: + * Unconfigure a GPIO pin based on bit-encoded description of the pin, set it + * into default HiZ state (and possibly mark it's unused) and unlock it whether + * it was previously selected as alternative function (GPIO_ALT|GPIO_CNF_AFPP|...). + * + * This is a safety function and prevents hardware from schocks, as unexpected + * write to the Timer Channel Output GPIO to fixed '1' or '0' while it should + * operate in PWM mode could produce excessive on-board currents and trigger + * over-current/alarm function. + * + * Returns: + * OK on success + * ERROR on invalid port + * + ************************************************************************************/ + +int stm32_unconfiggpio(uint32_t cfgset); + +/************************************************************************************ + * Name: stm32_gpiowrite + * + * Description: + * Write one or zero to the selected GPIO pin + * + ************************************************************************************/ + +void stm32_gpiowrite(uint32_t pinset, bool value); + +/************************************************************************************ + * Name: stm32_gpioread + * + * Description: + * Read one or zero from the selected GPIO pin + * + ************************************************************************************/ + +bool stm32_gpioread(uint32_t pinset); + +/************************************************************************************ + * Name: stm32_gpiosetevent + * + * Description: + * Sets/clears GPIO based event and interrupt triggers. + * + * Parameters: + * - pinset: gpio pin configuration + * - rising/falling edge: enables + * - event: generate event when set + * - func: when non-NULL, generate interrupt + * + * Returns: + * The previous value of the interrupt handler function pointer. This value may, + * for example, be used to restore the previous handler when multiple handlers are + * used. + * + ************************************************************************************/ + +xcpt_t stm32_gpiosetevent(uint32_t pinset, bool risingedge, bool fallingedge, + bool event, xcpt_t func); + +/************************************************************************************ + * Function: stm32_dumpgpio + * + * Description: + * Dump all GPIO registers associated with the provided base address + * + ************************************************************************************/ + +#ifdef CONFIG_DEBUG +int stm32_dumpgpio(uint32_t pinset, const char *msg); +#else +# define stm32_dumpgpio(p,m) +#endif + +/************************************************************************************ + * Function: stm32_gpioinit + * + * Description: + * Based on configuration within the .config file, it does: + * - Remaps positions of alternative functions. + * + * Typically called from stm32_start(). + * + ************************************************************************************/ + +void stm32_gpioinit(void); + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __ASSEMBLY__ */ +#endif /* __ARCH_ARM_SRC_STM32F7_STM32_GPIO_H */ diff --git a/arch/arm/src/stm32f7/stm32_start.c b/arch/arm/src/stm32f7/stm32_start.c index bfcca6d256f..1dc5b72c85f 100644 --- a/arch/arm/src/stm32f7/stm32_start.c +++ b/arch/arm/src/stm32f7/stm32_start.c @@ -54,7 +54,7 @@ # include "nvic.h" #endif -#include "stm32_clockconfig.h" +#include "stm32_rcc.h" #include "stm32_userspace.h" #include "stm32_start.h" diff --git a/arch/arm/src/stm32f7/stm32_start.h b/arch/arm/src/stm32f7/stm32_start.h new file mode 100644 index 00000000000..fb401968387 --- /dev/null +++ b/arch/arm/src/stm32f7/stm32_start.h @@ -0,0 +1,102 @@ +/************************************************************************************ + * arch/arm/src/stm32f7/stm32_start.h + * + * Copyright (C) 2015 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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_SAMV7_SAM_START_H +#define __ARCH_ARM_SRC_SAMV7_SAM_START_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include +#include + +#include +#include +#include + +#include "up_internal.h" +#include "chip.h" + +/************************************************************************************ + * Public Data + ************************************************************************************/ + +#ifndef __ASSEMBLY__ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" +{ +#else +#define EXTERN extern +#endif + +/* g_idle_topstack: _sbss is the start of the BSS region as defined by the linker + * script. _ebss lies at the end of the BSS region. The idle task stack starts at + * the end of BSS and is of size CONFIG_IDLETHREAD_STACKSIZE. The IDLE thread is + * the thread that the system boots on and, eventually, becomes the IDLE, do + * nothing task that runs only when there is nothing else to run. The heap + * continues from there until the end of memory. g_idle_topstack is a read-only + * variable the provides this computed address. + */ + +EXTERN const uintptr_t g_idle_topstack; + +/************************************************************************************ + * Public Function Prototypes + ************************************************************************************/ + +/************************************************************************************ + * Name: stm32_boardinitialize + * + * Description: + * All SAMV7 architectures must provide the following entry point. This entry + * point is called early in the initialization -- after clocking and memory have + * been configured but before caches have been enabled and before any devices have + * been initialized. + * + ************************************************************************************/ + +void stm32_boardinitialize(void); + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __ASSEMBLY__ */ +#endif /* __ARCH_ARM_SRC_SAMV7_SAM_START_H */