Elijah Stanger-Jones / mbed-dev-f303

test

targets/TARGET_STM/TARGET_STM32F7/pin_device.h@2:4364577b5ad8, 2020-11-09 (annotated)

Committer:
elijahsj
Date:
Mon Nov 09 00:33:19 2020 -0500
Revision:
2:4364577b5ad8
Parent:
1:8a094db1347f 
copied mbed library

Who changed what in which revision?

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elijahsj 1:8a094db1347f 1 /* mbed Microcontroller Library
elijahsj 1:8a094db1347f 2 *******************************************************************************
elijahsj 1:8a094db1347f 3 * Copyright (c) 2016, STMicroelectronics
elijahsj 1:8a094db1347f 4 * All rights reserved.
elijahsj 1:8a094db1347f 5 *
elijahsj 1:8a094db1347f 6 * Redistribution and use in source and binary forms, with or without
elijahsj 1:8a094db1347f 7 * modification, are permitted provided that the following conditions are met:
elijahsj 1:8a094db1347f 8 *
elijahsj 1:8a094db1347f 9 * 1. Redistributions of source code must retain the above copyright notice,
elijahsj 1:8a094db1347f 10 * this list of conditions and the following disclaimer.
elijahsj 1:8a094db1347f 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
elijahsj 1:8a094db1347f 12 * this list of conditions and the following disclaimer in the documentation
elijahsj 1:8a094db1347f 13 * and/or other materials provided with the distribution.
elijahsj 1:8a094db1347f 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
elijahsj 1:8a094db1347f 15 * may be used to endorse or promote products derived from this software
elijahsj 1:8a094db1347f 16 * without specific prior written permission.
elijahsj 1:8a094db1347f 17 *
elijahsj 1:8a094db1347f 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
elijahsj 1:8a094db1347f 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
elijahsj 1:8a094db1347f 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
elijahsj 1:8a094db1347f 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
elijahsj 1:8a094db1347f 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
elijahsj 1:8a094db1347f 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
elijahsj 1:8a094db1347f 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
elijahsj 1:8a094db1347f 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
elijahsj 1:8a094db1347f 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
elijahsj 1:8a094db1347f 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
elijahsj 1:8a094db1347f 28 *******************************************************************************
elijahsj 1:8a094db1347f 29 */
elijahsj 1:8a094db1347f 30 #ifndef MBED_PIN_DEVICE_H
elijahsj 1:8a094db1347f 31 #define MBED_PIN_DEVICE_H
elijahsj 1:8a094db1347f 32
elijahsj 1:8a094db1347f 33 #include "cmsis.h"
elijahsj 1:8a094db1347f 34
elijahsj 1:8a094db1347f 35 // when LL is available, below include can be used
elijahsj 1:8a094db1347f 36 // #include "stm32f7xx_ll_gpio.h"
elijahsj 1:8a094db1347f 37 // until then let's define locally the required functions
elijahsj 1:8a094db1347f 38 #define LL_GPIO_PIN_0 GPIO_BSRR_BS_0 /*!< Select pin 0 */
elijahsj 1:8a094db1347f 39 #define LL_GPIO_PIN_1 GPIO_BSRR_BS_1 /*!< Select pin 1 */
elijahsj 1:8a094db1347f 40 #define LL_GPIO_PIN_2 GPIO_BSRR_BS_2 /*!< Select pin 2 */
elijahsj 1:8a094db1347f 41 #define LL_GPIO_PIN_3 GPIO_BSRR_BS_3 /*!< Select pin 3 */
elijahsj 1:8a094db1347f 42 #define LL_GPIO_PIN_4 GPIO_BSRR_BS_4 /*!< Select pin 4 */
elijahsj 1:8a094db1347f 43 #define LL_GPIO_PIN_5 GPIO_BSRR_BS_5 /*!< Select pin 5 */
elijahsj 1:8a094db1347f 44 #define LL_GPIO_PIN_6 GPIO_BSRR_BS_6 /*!< Select pin 6 */
elijahsj 1:8a094db1347f 45 #define LL_GPIO_PIN_7 GPIO_BSRR_BS_7 /*!< Select pin 7 */
elijahsj 1:8a094db1347f 46 #define LL_GPIO_PIN_8 GPIO_BSRR_BS_8 /*!< Select pin 8 */
elijahsj 1:8a094db1347f 47 #define LL_GPIO_PIN_9 GPIO_BSRR_BS_9 /*!< Select pin 9 */
elijahsj 1:8a094db1347f 48 #define LL_GPIO_PIN_10 GPIO_BSRR_BS_10 /*!< Select pin 10 */
elijahsj 1:8a094db1347f 49 #define LL_GPIO_PIN_11 GPIO_BSRR_BS_11 /*!< Select pin 11 */
elijahsj 1:8a094db1347f 50 #define LL_GPIO_PIN_12 GPIO_BSRR_BS_12 /*!< Select pin 12 */
elijahsj 1:8a094db1347f 51 #define LL_GPIO_PIN_13 GPIO_BSRR_BS_13 /*!< Select pin 13 */
elijahsj 1:8a094db1347f 52 #define LL_GPIO_PIN_14 GPIO_BSRR_BS_14 /*!< Select pin 14 */
elijahsj 1:8a094db1347f 53 #define LL_GPIO_PIN_15 GPIO_BSRR_BS_15 /*!< Select pin 15 */
elijahsj 1:8a094db1347f 54
elijahsj 1:8a094db1347f 55 #define LL_GPIO_MODE_INPUT ((uint32_t)0x00000000U) /*!< Select input mode */
elijahsj 1:8a094db1347f 56 #define LL_GPIO_MODE_OUTPUT GPIO_MODER_MODER0_0 /*!< Select output mode */
elijahsj 1:8a094db1347f 57 #define LL_GPIO_MODE_ALTERNATE GPIO_MODER_MODER0_1 /*!< Select alternate function mode */
elijahsj 1:8a094db1347f 58 #define LL_GPIO_MODE_ANALOG GPIO_MODER_MODER0 /*!< Select analog mode */
elijahsj 1:8a094db1347f 59
elijahsj 1:8a094db1347f 60 #define LL_GPIO_OUTPUT_PUSHPULL ((uint32_t)0x00000000U) /*!< Select push-pull as output type */
elijahsj 1:8a094db1347f 61 #define LL_GPIO_OUTPUT_OPENDRAIN GPIO_OTYPER_OT_0 /*!< Select open-drain as output type */
elijahsj 1:8a094db1347f 62
elijahsj 1:8a094db1347f 63 #define LL_GPIO_PULL_NO ((uint32_t)0x00000000U) /*!< Select I/O no pull */
elijahsj 1:8a094db1347f 64 #define LL_GPIO_PULL_UP GPIO_PUPDR_PUPDR0_0 /*!< Select I/O pull up */
elijahsj 1:8a094db1347f 65 #define LL_GPIO_PULL_DOWN GPIO_PUPDR_PUPDR0_1 /*!< Select I/O pull down */
elijahsj 1:8a094db1347f 66
elijahsj 1:8a094db1347f 67 #define LL_GPIO_SPEED_FREQ_LOW ((uint32_t)0x00000000U) /*!< Select I/O low output speed */
elijahsj 1:8a094db1347f 68 #define LL_GPIO_SPEED_FREQ_MEDIUM GPIO_OSPEEDER_OSPEEDR0_0 /*!< Select I/O medium output speed */
elijahsj 1:8a094db1347f 69 #define LL_GPIO_SPEED_FREQ_HIGH GPIO_OSPEEDER_OSPEEDR0_1 /*!< Select I/O fast output speed */
elijahsj 1:8a094db1347f 70 #define LL_GPIO_SPEED_FREQ_VERY_HIGH GPIO_OSPEEDER_OSPEEDR0 /*!< Select I/O high output speed */
elijahsj 1:8a094db1347f 71
elijahsj 1:8a094db1347f 72
elijahsj 1:8a094db1347f 73 __STATIC_INLINE void LL_GPIO_SetAFPin_0_7(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Alternate)
elijahsj 1:8a094db1347f 74 {
elijahsj 1:8a094db1347f 75 MODIFY_REG(GPIOx->AFR[0], (0xFU << (POSITION_VAL(Pin) * 4U)),
elijahsj 1:8a094db1347f 76 (Alternate << (POSITION_VAL(Pin) * 4U)));
elijahsj 1:8a094db1347f 77 }
elijahsj 1:8a094db1347f 78
elijahsj 1:8a094db1347f 79 __STATIC_INLINE void LL_GPIO_SetAFPin_8_15(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Alternate)
elijahsj 1:8a094db1347f 80 {
elijahsj 1:8a094db1347f 81 MODIFY_REG(GPIOx->AFR[1], (0xFU << (POSITION_VAL(Pin >> 8U) * 4U)),
elijahsj 1:8a094db1347f 82 (Alternate << (POSITION_VAL(Pin >> 8U) * 4U)));
elijahsj 1:8a094db1347f 83 }
elijahsj 1:8a094db1347f 84 __STATIC_INLINE void LL_GPIO_SetPinMode(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Mode)
elijahsj 1:8a094db1347f 85 {
elijahsj 1:8a094db1347f 86 MODIFY_REG(GPIOx->MODER, (GPIO_MODER_MODER0 << (POSITION_VAL(Pin) * 2U)), (Mode << (POSITION_VAL(Pin) * 2U)));
elijahsj 1:8a094db1347f 87 }
elijahsj 1:8a094db1347f 88 __STATIC_INLINE uint32_t LL_GPIO_GetPinMode(GPIO_TypeDef *GPIOx, uint32_t Pin)
elijahsj 1:8a094db1347f 89 {
elijahsj 1:8a094db1347f 90 return (uint32_t)(READ_BIT(GPIOx->MODER, ((Pin * Pin) * GPIO_MODER_MODER0)) / (Pin * Pin));
elijahsj 1:8a094db1347f 91 }
elijahsj 1:8a094db1347f 92 __STATIC_INLINE void LL_GPIO_SetPinPull(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Pull)
elijahsj 1:8a094db1347f 93 {
elijahsj 1:8a094db1347f 94 MODIFY_REG(GPIOx->PUPDR, (GPIO_PUPDR_PUPDR0 << (POSITION_VAL(Pin) * 2U)), (Pull << (POSITION_VAL(Pin) * 2U)));
elijahsj 1:8a094db1347f 95 }
elijahsj 1:8a094db1347f 96 __STATIC_INLINE void LL_GPIO_SetPinOutputType(GPIO_TypeDef *GPIOx, uint32_t PinMask, uint32_t OutputType)
elijahsj 1:8a094db1347f 97 {
elijahsj 1:8a094db1347f 98 MODIFY_REG(GPIOx->OTYPER, PinMask, (PinMask * OutputType));
elijahsj 1:8a094db1347f 99 }
elijahsj 1:8a094db1347f 100 __STATIC_INLINE void LL_GPIO_SetPinSpeed(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Speed)
elijahsj 1:8a094db1347f 101 {
elijahsj 1:8a094db1347f 102 MODIFY_REG(GPIOx->OSPEEDR, (GPIO_OSPEEDER_OSPEEDR0 << (POSITION_VAL(Pin) * 2U)),
elijahsj 1:8a094db1347f 103 (Speed << (POSITION_VAL(Pin) * 2U)));
elijahsj 1:8a094db1347f 104 }
elijahsj 1:8a094db1347f 105 // Above lines shall be defined in LL when available
elijahsj 1:8a094db1347f 106
elijahsj 1:8a094db1347f 107 extern const uint32_t ll_pin_defines[16];
elijahsj 1:8a094db1347f 108
elijahsj 1:8a094db1347f 109 /* Family specific implementations */
elijahsj 1:8a094db1347f 110 static inline void stm_pin_DisconnectDebug(PinName pin)
elijahsj 1:8a094db1347f 111 {
elijahsj 1:8a094db1347f 112 /* empty for now */
elijahsj 1:8a094db1347f 113 }
elijahsj 1:8a094db1347f 114
elijahsj 1:8a094db1347f 115 static inline void stm_pin_PullConfig(GPIO_TypeDef *gpio, uint32_t ll_pin, uint32_t pull_config)
elijahsj 1:8a094db1347f 116 {
elijahsj 1:8a094db1347f 117 switch (pull_config) {
elijahsj 1:8a094db1347f 118 case GPIO_PULLUP:
elijahsj 1:8a094db1347f 119 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_UP);
elijahsj 1:8a094db1347f 120 break;
elijahsj 1:8a094db1347f 121 case GPIO_PULLDOWN:
elijahsj 1:8a094db1347f 122 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_DOWN);
elijahsj 1:8a094db1347f 123 break;
elijahsj 1:8a094db1347f 124 default:
elijahsj 1:8a094db1347f 125 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_NO);
elijahsj 1:8a094db1347f 126 break;
elijahsj 1:8a094db1347f 127 }
elijahsj 1:8a094db1347f 128 }
elijahsj 1:8a094db1347f 129
elijahsj 1:8a094db1347f 130 static inline void stm_pin_SetAFPin( GPIO_TypeDef *gpio, PinName pin, uint32_t afnum)
elijahsj 1:8a094db1347f 131 {
elijahsj 1:8a094db1347f 132 uint32_t ll_pin = ll_pin_defines[STM_PIN(pin)];
elijahsj 1:8a094db1347f 133
elijahsj 1:8a094db1347f 134 if (STM_PIN(pin) > 7)
elijahsj 1:8a094db1347f 135 LL_GPIO_SetAFPin_8_15(gpio, ll_pin, afnum);
elijahsj 1:8a094db1347f 136 else
elijahsj 1:8a094db1347f 137 LL_GPIO_SetAFPin_0_7(gpio, ll_pin, afnum);
elijahsj 1:8a094db1347f 138 }
elijahsj 1:8a094db1347f 139
elijahsj 1:8a094db1347f 140 #endif