Fahad Mirza / Mbed 2 deprecated Nucleo_HXC900

A demo application for HXC900 LoRaWAN module using Nucleo-L053R8.

Dependencies:   mbed

Driver/hw_gpio.c@39:cb0e5a76ab15, 2019-01-24 (annotated)

Committer:
fahadmirza
Date:
Thu Jan 24 23:45:12 2019 +0000
Revision:
39:cb0e5a76ab15
Parent:
5:53302861bfea 
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fahadmirza 0:a0c5877bd360 1 /*
fahadmirza 0:a0c5877bd360 2 / _____) _ | |
fahadmirza 0:a0c5877bd360 3 ( (____ _____ ____ _| |_ _____ ____| |__
fahadmirza 0:a0c5877bd360 4 \____ \| ___ | (_ _) ___ |/ ___) _ \
fahadmirza 0:a0c5877bd360 5 _____) ) ____| | | || |_| ____( (___| | | |
fahadmirza 0:a0c5877bd360 6 (______/|_____)_|_|_| \__)_____)\____)_| |_|
fahadmirza 0:a0c5877bd360 7 (C)2013 Semtech
fahadmirza 0:a0c5877bd360 8
fahadmirza 0:a0c5877bd360 9 Description: Bleeper board GPIO driver implementation
fahadmirza 0:a0c5877bd360 10
fahadmirza 0:a0c5877bd360 11 License: Revised BSD License, see LICENSE.TXT file include in the project
fahadmirza 0:a0c5877bd360 12
fahadmirza 0:a0c5877bd360 13 Maintainer: Miguel Luis and Gregory Cristian
fahadmirza 0:a0c5877bd360 14 */
fahadmirza 0:a0c5877bd360 15 /******************************************************************************
fahadmirza 0:a0c5877bd360 16 * @file hw_gpio.c
fahadmirza 0:a0c5877bd360 17 * @author MCD Application Team
fahadmirza 0:a0c5877bd360 18 * @version V1.1.4
fahadmirza 0:a0c5877bd360 19 * @date 08-January-2018
fahadmirza 0:a0c5877bd360 20 * @brief driver for GPIO
fahadmirza 0:a0c5877bd360 21 ******************************************************************************
fahadmirza 0:a0c5877bd360 22 * @attention
fahadmirza 0:a0c5877bd360 23 *
fahadmirza 0:a0c5877bd360 24 * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V.
fahadmirza 0:a0c5877bd360 25 * All rights reserved.</center></h2>
fahadmirza 0:a0c5877bd360 26 *
fahadmirza 0:a0c5877bd360 27 * Redistribution and use in source and binary forms, with or without
fahadmirza 0:a0c5877bd360 28 * modification, are permitted, provided that the following conditions are met:
fahadmirza 0:a0c5877bd360 29 *
fahadmirza 0:a0c5877bd360 30 * 1. Redistribution of source code must retain the above copyright notice,
fahadmirza 0:a0c5877bd360 31 * this list of conditions and the following disclaimer.
fahadmirza 0:a0c5877bd360 32 * 2. Redistributions in binary form must reproduce the above copyright notice,
fahadmirza 0:a0c5877bd360 33 * this list of conditions and the following disclaimer in the documentation
fahadmirza 0:a0c5877bd360 34 * and/or other materials provided with the distribution.
fahadmirza 0:a0c5877bd360 35 * 3. Neither the name of STMicroelectronics nor the names of other
fahadmirza 0:a0c5877bd360 36 * contributors to this software may be used to endorse or promote products
fahadmirza 0:a0c5877bd360 37 * derived from this software without specific written permission.
fahadmirza 0:a0c5877bd360 38 * 4. This software, including modifications and/or derivative works of this
fahadmirza 0:a0c5877bd360 39 * software, must execute solely and exclusively on microcontroller or
fahadmirza 0:a0c5877bd360 40 * microprocessor devices manufactured by or for STMicroelectronics.
fahadmirza 0:a0c5877bd360 41 * 5. Redistribution and use of this software other than as permitted under
fahadmirza 0:a0c5877bd360 42 * this license is void and will automatically terminate your rights under
fahadmirza 0:a0c5877bd360 43 * this license.
fahadmirza 0:a0c5877bd360 44 *
fahadmirza 0:a0c5877bd360 45 * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
fahadmirza 0:a0c5877bd360 46 * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
fahadmirza 0:a0c5877bd360 47 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
fahadmirza 0:a0c5877bd360 48 * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
fahadmirza 0:a0c5877bd360 49 * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
fahadmirza 0:a0c5877bd360 50 * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
fahadmirza 0:a0c5877bd360 51 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
fahadmirza 0:a0c5877bd360 52 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
fahadmirza 0:a0c5877bd360 53 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
fahadmirza 0:a0c5877bd360 54 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
fahadmirza 0:a0c5877bd360 55 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
fahadmirza 0:a0c5877bd360 56 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
fahadmirza 0:a0c5877bd360 57 *
fahadmirza 0:a0c5877bd360 58 ******************************************************************************
fahadmirza 0:a0c5877bd360 59 */
fahadmirza 0:a0c5877bd360 60
fahadmirza 0:a0c5877bd360 61 /* Includes ------------------------------------------------------------------*/
fahadmirza 0:a0c5877bd360 62 #include "hw.h"
fahadmirza 0:a0c5877bd360 63
fahadmirza 0:a0c5877bd360 64 /* Private typedef -----------------------------------------------------------*/
fahadmirza 0:a0c5877bd360 65 /* Private define ------------------------------------------------------------*/
fahadmirza 0:a0c5877bd360 66 /* Private macro -------------------------------------------------------------*/
fahadmirza 0:a0c5877bd360 67 /* Private variables ---------------------------------------------------------*/
fahadmirza 0:a0c5877bd360 68 static GpioIrqHandler *GpioIrq[16] = { NULL };
fahadmirza 0:a0c5877bd360 69
fahadmirza 0:a0c5877bd360 70 /* Private function prototypes -----------------------------------------------*/
fahadmirza 0:a0c5877bd360 71
fahadmirza 0:a0c5877bd360 72 static uint8_t HW_GPIO_GetBitPos(uint16_t GPIO_Pin);
fahadmirza 0:a0c5877bd360 73 static IRQn_Type MSP_GetIRQn( uint16_t gpioPin);
fahadmirza 0:a0c5877bd360 74
fahadmirza 0:a0c5877bd360 75 /* Exported functions ---------------------------------------------------------*/
fahadmirza 0:a0c5877bd360 76 /*!
fahadmirza 0:a0c5877bd360 77 * @brief Initializes the given GPIO object
fahadmirza 0:a0c5877bd360 78 *
fahadmirza 0:a0c5877bd360 79 * @param GPIOx: where x can be (A..E and H)
fahadmirza 0:a0c5877bd360 80 * @param GPIO_Pin: specifies the port bit to be written.
fahadmirza 0:a0c5877bd360 81 * This parameter can be one of GPIO_PIN_x where x can be (0..15).
fahadmirza 0:a0c5877bd360 82 * All port bits are not necessarily available on all GPIOs.
fahadmirza 0:a0c5877bd360 83 * @param [IN] initStruct GPIO_InitTypeDef intit structure
fahadmirza 0:a0c5877bd360 84 * @retval none
fahadmirza 0:a0c5877bd360 85 */
fahadmirza 0:a0c5877bd360 86 void HW_GPIO_Init( GPIO_TypeDef* port, uint16_t GPIO_Pin, GPIO_InitTypeDef* initStruct)
fahadmirza 0:a0c5877bd360 87 {
fahadmirza 0:a0c5877bd360 88
fahadmirza 0:a0c5877bd360 89 RCC_GPIO_CLK_ENABLE( (uint32_t) port);
fahadmirza 0:a0c5877bd360 90
fahadmirza 0:a0c5877bd360 91 initStruct->Pin = GPIO_Pin ;
fahadmirza 0:a0c5877bd360 92
fahadmirza 0:a0c5877bd360 93 HAL_GPIO_Init( port, initStruct );
fahadmirza 0:a0c5877bd360 94 }
fahadmirza 0:a0c5877bd360 95
fahadmirza 0:a0c5877bd360 96 /*!
fahadmirza 0:a0c5877bd360 97 * @brief Records the interrupt handler for the GPIO object
fahadmirza 0:a0c5877bd360 98 *
fahadmirza 0:a0c5877bd360 99 * @param GPIOx: where x can be (A..E and H)
fahadmirza 0:a0c5877bd360 100 * @param GPIO_Pin: specifies the port bit to be written.
fahadmirza 0:a0c5877bd360 101 * This parameter can be one of GPIO_PIN_x where x can be (0..15).
fahadmirza 0:a0c5877bd360 102 * All port bits are not necessarily available on all GPIOs.
fahadmirza 0:a0c5877bd360 103 * @param [IN] prio NVIC priority (0 is highest)
fahadmirza 0:a0c5877bd360 104 * @param [IN] irqHandler points to the function to execute
fahadmirza 0:a0c5877bd360 105 * @retval none
fahadmirza 0:a0c5877bd360 106 */
fahadmirza 0:a0c5877bd360 107 void HW_GPIO_SetIrq( GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, uint32_t prio, GpioIrqHandler *irqHandler )
fahadmirza 0:a0c5877bd360 108 {
fahadmirza 0:a0c5877bd360 109 IRQn_Type IRQnb;
fahadmirza 0:a0c5877bd360 110
fahadmirza 0:a0c5877bd360 111 uint32_t BitPos = HW_GPIO_GetBitPos( GPIO_Pin ) ;
fahadmirza 0:a0c5877bd360 112
fahadmirza 0:a0c5877bd360 113 if ( irqHandler != NULL)
fahadmirza 0:a0c5877bd360 114 {
fahadmirza 0:a0c5877bd360 115 GpioIrq[ BitPos ] = irqHandler;
fahadmirza 0:a0c5877bd360 116
fahadmirza 0:a0c5877bd360 117 IRQnb = MSP_GetIRQn( GPIO_Pin );
fahadmirza 0:a0c5877bd360 118
fahadmirza 0:a0c5877bd360 119 HAL_NVIC_SetPriority( IRQnb , prio, 0);
fahadmirza 0:a0c5877bd360 120
fahadmirza 0:a0c5877bd360 121 HAL_NVIC_EnableIRQ( IRQnb );
fahadmirza 0:a0c5877bd360 122 }
fahadmirza 0:a0c5877bd360 123 else
fahadmirza 0:a0c5877bd360 124 {
fahadmirza 0:a0c5877bd360 125 GpioIrq[ BitPos ] = NULL;
fahadmirza 0:a0c5877bd360 126 }
fahadmirza 0:a0c5877bd360 127 }
fahadmirza 0:a0c5877bd360 128
fahadmirza 0:a0c5877bd360 129 /*!
fahadmirza 0:a0c5877bd360 130 * @brief Execute the interrupt from the object
fahadmirza 0:a0c5877bd360 131 *
fahadmirza 0:a0c5877bd360 132 * @param GPIO_Pin: specifies the port bit to be written.
fahadmirza 0:a0c5877bd360 133 * This parameter can be one of GPIO_PIN_x where x can be (0..15).
fahadmirza 0:a0c5877bd360 134 * All port bits are not necessarily available on all GPIOs.
fahadmirza 0:a0c5877bd360 135 * @retval none
fahadmirza 0:a0c5877bd360 136 */
fahadmirza 0:a0c5877bd360 137 void HW_GPIO_IrqHandler( uint16_t GPIO_Pin )
fahadmirza 0:a0c5877bd360 138 {
fahadmirza 0:a0c5877bd360 139 uint32_t BitPos = HW_GPIO_GetBitPos( GPIO_Pin );
fahadmirza 0:a0c5877bd360 140
fahadmirza 0:a0c5877bd360 141 if ( GpioIrq[ BitPos ] != NULL)
fahadmirza 0:a0c5877bd360 142 {
fahadmirza 0:a0c5877bd360 143 GpioIrq[ BitPos ] ( );
fahadmirza 0:a0c5877bd360 144 }
fahadmirza 0:a0c5877bd360 145 }
fahadmirza 0:a0c5877bd360 146
fahadmirza 0:a0c5877bd360 147 /*!
fahadmirza 0:a0c5877bd360 148 * @brief Writes the given value to the GPIO output
fahadmirza 0:a0c5877bd360 149 *
fahadmirza 0:a0c5877bd360 150 * @param GPIO_Pin: specifies the port bit to be written.
fahadmirza 0:a0c5877bd360 151 * This parameter can be one of GPIO_PIN_x where x can be (0..15).
fahadmirza 0:a0c5877bd360 152 * All port bits are not necessarily available on all GPIOs.
fahadmirza 0:a0c5877bd360 153 * @param [IN] value New GPIO output value
fahadmirza 0:a0c5877bd360 154 * @retval none
fahadmirza 0:a0c5877bd360 155 */
fahadmirza 0:a0c5877bd360 156 void HW_GPIO_Write( GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, uint32_t value )
fahadmirza 0:a0c5877bd360 157 {
fahadmirza 0:a0c5877bd360 158 HAL_GPIO_WritePin( GPIOx, GPIO_Pin , (GPIO_PinState) value );
fahadmirza 0:a0c5877bd360 159 }
fahadmirza 0:a0c5877bd360 160
fahadmirza 0:a0c5877bd360 161 /*!
fahadmirza 0:a0c5877bd360 162 * @brief Reads the current GPIO input value
fahadmirza 0:a0c5877bd360 163 *
fahadmirza 0:a0c5877bd360 164 * @param GPIOx: where x can be (A..E and H)
fahadmirza 0:a0c5877bd360 165 * @param GPIO_Pin: specifies the port bit to be written.
fahadmirza 0:a0c5877bd360 166 * This parameter can be one of GPIO_PIN_x where x can be (0..15).
fahadmirza 0:a0c5877bd360 167 * All port bits are not necessarily available on all GPIOs.
fahadmirza 0:a0c5877bd360 168 * @retval value Current GPIO input value
fahadmirza 0:a0c5877bd360 169 */
fahadmirza 0:a0c5877bd360 170 uint32_t HW_GPIO_Read( GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin )
fahadmirza 0:a0c5877bd360 171 {
fahadmirza 0:a0c5877bd360 172 return HAL_GPIO_ReadPin( GPIOx, GPIO_Pin);
fahadmirza 0:a0c5877bd360 173 }
fahadmirza 0:a0c5877bd360 174
fahadmirza 0:a0c5877bd360 175 /* Private functions ---------------------------------------------------------*/
fahadmirza 0:a0c5877bd360 176
fahadmirza 0:a0c5877bd360 177 /*!
fahadmirza 0:a0c5877bd360 178 * @brief Get the position of the bit set in the GPIO_Pin
fahadmirza 0:a0c5877bd360 179 * @param GPIO_Pin: specifies the port bit to be written.
fahadmirza 0:a0c5877bd360 180 * This parameter can be one of GPIO_PIN_x where x can be (0..15).
fahadmirza 0:a0c5877bd360 181 * All port bits are not necessarily available on all GPIOs.
fahadmirza 0:a0c5877bd360 182 * @retval the position of the bit
fahadmirza 0:a0c5877bd360 183 */
fahadmirza 0:a0c5877bd360 184 static uint8_t HW_GPIO_GetBitPos(uint16_t GPIO_Pin)
fahadmirza 0:a0c5877bd360 185 {
fahadmirza 0:a0c5877bd360 186 uint8_t PinPos=0;
fahadmirza 0:a0c5877bd360 187
fahadmirza 0:a0c5877bd360 188 if ( ( GPIO_Pin & 0xFF00 ) != 0) { PinPos |= 0x8; }
fahadmirza 0:a0c5877bd360 189 if ( ( GPIO_Pin & 0xF0F0 ) != 0) { PinPos |= 0x4; }
fahadmirza 0:a0c5877bd360 190 if ( ( GPIO_Pin & 0xCCCC ) != 0) { PinPos |= 0x2; }
fahadmirza 0:a0c5877bd360 191 if ( ( GPIO_Pin & 0xAAAA ) != 0) { PinPos |= 0x1; }
fahadmirza 0:a0c5877bd360 192
fahadmirza 0:a0c5877bd360 193 return PinPos;
fahadmirza 0:a0c5877bd360 194 }
fahadmirza 0:a0c5877bd360 195
fahadmirza 0:a0c5877bd360 196
fahadmirza 0:a0c5877bd360 197 /*!
fahadmirza 0:a0c5877bd360 198 * GPIO IRQ handler function prototype
fahadmirza 0:a0c5877bd360 199 */
fahadmirza 0:a0c5877bd360 200 static IRQn_Type MSP_GetIRQn(uint16_t GPIO_Pin)
fahadmirza 0:a0c5877bd360 201 {
fahadmirza 0:a0c5877bd360 202 switch (GPIO_Pin)
fahadmirza 0:a0c5877bd360 203 {
fahadmirza 0:a0c5877bd360 204 case GPIO_PIN_0:
fahadmirza 0:a0c5877bd360 205 case GPIO_PIN_1: return EXTI0_1_IRQn;
fahadmirza 0:a0c5877bd360 206 case GPIO_PIN_2:
fahadmirza 0:a0c5877bd360 207 case GPIO_PIN_3: return EXTI2_3_IRQn;
fahadmirza 0:a0c5877bd360 208 case GPIO_PIN_4:
fahadmirza 0:a0c5877bd360 209 case GPIO_PIN_5:
fahadmirza 0:a0c5877bd360 210 case GPIO_PIN_6:
fahadmirza 0:a0c5877bd360 211 case GPIO_PIN_7:
fahadmirza 0:a0c5877bd360 212 case GPIO_PIN_8:
fahadmirza 0:a0c5877bd360 213 case GPIO_PIN_9:
fahadmirza 0:a0c5877bd360 214 case GPIO_PIN_10:
fahadmirza 0:a0c5877bd360 215 case GPIO_PIN_11:
fahadmirza 0:a0c5877bd360 216 case GPIO_PIN_12:
fahadmirza 0:a0c5877bd360 217 case GPIO_PIN_13:
fahadmirza 0:a0c5877bd360 218 case GPIO_PIN_14:
fahadmirza 0:a0c5877bd360 219 case GPIO_PIN_15:
fahadmirza 0:a0c5877bd360 220 default: return EXTI4_15_IRQn;
fahadmirza 0:a0c5877bd360 221 }
fahadmirza 0:a0c5877bd360 222 }
fahadmirza 0:a0c5877bd360 223
fahadmirza 0:a0c5877bd360 224 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
fahadmirza 0:a0c5877bd360 225