Milen Pavlov / XRange_mbed_src

Mbed SDK for XRange SX1272 LoRa module

Dependents:   XRangePingPong XRange-LoRaWAN-lmic-app lora-transceiver

SX1272 LoRa RF module

https://www.netblocks.eu/xrange-sx1272-lora-datasheet/

targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/gpio_object.h@339:ac6f3fd999f3, 2016-01-07 (annotated)

Committer:
netblocks
Date:
Thu Jan 07 13:01:25 2016 +0000
Revision:
339:ac6f3fd999f3
Parent:
336:1e18a06a987b 
HSE_VALUE set for XTAL 16Mhz

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dudmuck 336:1e18a06a987b 1 /* mbed Microcontroller Library
dudmuck 336:1e18a06a987b 2 *******************************************************************************
dudmuck 336:1e18a06a987b 3 * Copyright (c) 2014, STMicroelectronics
dudmuck 336:1e18a06a987b 4 * All rights reserved.
dudmuck 336:1e18a06a987b 5 *
dudmuck 336:1e18a06a987b 6 * Redistribution and use in source and binary forms, with or without
dudmuck 336:1e18a06a987b 7 * modification, are permitted provided that the following conditions are met:
dudmuck 336:1e18a06a987b 8 *
dudmuck 336:1e18a06a987b 9 * 1. Redistributions of source code must retain the above copyright notice,
dudmuck 336:1e18a06a987b 10 * this list of conditions and the following disclaimer.
dudmuck 336:1e18a06a987b 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
dudmuck 336:1e18a06a987b 12 * this list of conditions and the following disclaimer in the documentation
dudmuck 336:1e18a06a987b 13 * and/or other materials provided with the distribution.
dudmuck 336:1e18a06a987b 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
dudmuck 336:1e18a06a987b 15 * may be used to endorse or promote products derived from this software
dudmuck 336:1e18a06a987b 16 * without specific prior written permission.
dudmuck 336:1e18a06a987b 17 *
dudmuck 336:1e18a06a987b 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
dudmuck 336:1e18a06a987b 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
dudmuck 336:1e18a06a987b 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
dudmuck 336:1e18a06a987b 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
dudmuck 336:1e18a06a987b 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
dudmuck 336:1e18a06a987b 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
dudmuck 336:1e18a06a987b 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
dudmuck 336:1e18a06a987b 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
dudmuck 336:1e18a06a987b 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
dudmuck 336:1e18a06a987b 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
dudmuck 336:1e18a06a987b 28 *******************************************************************************
dudmuck 336:1e18a06a987b 29 */
dudmuck 336:1e18a06a987b 30 #ifndef MBED_GPIO_OBJECT_H
dudmuck 336:1e18a06a987b 31 #define MBED_GPIO_OBJECT_H
dudmuck 336:1e18a06a987b 32
dudmuck 336:1e18a06a987b 33 #include "mbed_assert.h"
dudmuck 336:1e18a06a987b 34 #include "cmsis.h"
dudmuck 336:1e18a06a987b 35 #include "PortNames.h"
dudmuck 336:1e18a06a987b 36 #include "PeripheralNames.h"
dudmuck 336:1e18a06a987b 37 #include "PinNames.h"
dudmuck 336:1e18a06a987b 38
dudmuck 336:1e18a06a987b 39 #ifdef __cplusplus
dudmuck 336:1e18a06a987b 40 extern "C" {
dudmuck 336:1e18a06a987b 41 #endif
dudmuck 336:1e18a06a987b 42
dudmuck 336:1e18a06a987b 43 typedef struct {
dudmuck 336:1e18a06a987b 44 PinName pin;
dudmuck 336:1e18a06a987b 45 uint32_t mask;
dudmuck 336:1e18a06a987b 46 __IO uint32_t *reg_in;
dudmuck 336:1e18a06a987b 47 __IO uint32_t *reg_set;
dudmuck 336:1e18a06a987b 48 __IO uint32_t *reg_clr;
dudmuck 336:1e18a06a987b 49 } gpio_t;
dudmuck 336:1e18a06a987b 50
dudmuck 336:1e18a06a987b 51 static inline void gpio_write(gpio_t *obj, int value)
dudmuck 336:1e18a06a987b 52 {
dudmuck 336:1e18a06a987b 53 MBED_ASSERT(obj->pin != (PinName)NC);
dudmuck 336:1e18a06a987b 54 #ifdef STM32L152xC
dudmuck 336:1e18a06a987b 55 /* FIXME: is GPIOx->BRR working in STM32L152RC ? */
dudmuck 336:1e18a06a987b 56 /* using upper half of BSRR to clear for now */
dudmuck 336:1e18a06a987b 57 if (value) {
dudmuck 336:1e18a06a987b 58 *obj->reg_set = obj->mask;
dudmuck 336:1e18a06a987b 59 } else {
dudmuck 336:1e18a06a987b 60 *obj->reg_set = obj->mask << 16;
dudmuck 336:1e18a06a987b 61 }
dudmuck 336:1e18a06a987b 62 #else
dudmuck 336:1e18a06a987b 63 if (value) {
dudmuck 336:1e18a06a987b 64 *obj->reg_set = obj->mask;
dudmuck 336:1e18a06a987b 65 } else {
dudmuck 336:1e18a06a987b 66 *obj->reg_clr = obj->mask;
dudmuck 336:1e18a06a987b 67 }
dudmuck 336:1e18a06a987b 68 #endif
dudmuck 336:1e18a06a987b 69 }
dudmuck 336:1e18a06a987b 70
dudmuck 336:1e18a06a987b 71 static inline int gpio_read(gpio_t *obj)
dudmuck 336:1e18a06a987b 72 {
dudmuck 336:1e18a06a987b 73 MBED_ASSERT(obj->pin != (PinName)NC);
dudmuck 336:1e18a06a987b 74 return ((*obj->reg_in & obj->mask) ? 1 : 0);
dudmuck 336:1e18a06a987b 75 }
dudmuck 336:1e18a06a987b 76
dudmuck 336:1e18a06a987b 77 #ifdef __cplusplus
dudmuck 336:1e18a06a987b 78 }
dudmuck 336:1e18a06a987b 79 #endif
dudmuck 336:1e18a06a987b 80
dudmuck 336:1e18a06a987b 81 #endif