Elijah Stanger-Jones / mbed-dev-f303

test

targets/TARGET_STM/TARGET_STM32L0/pin_device.h@1:8a094db1347f, 2020-11-09 (annotated)

Committer:
elijahsj
Date:
Mon Nov 09 00:02:47 2020 -0500
Revision:
1:8a094db1347f
test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
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 #include "stm32l0xx_ll_gpio.h"
elijahsj 1:8a094db1347f 35
elijahsj 1:8a094db1347f 36 extern const uint32_t ll_pin_defines[16];
elijahsj 1:8a094db1347f 37
elijahsj 1:8a094db1347f 38 /* Family specific implementations */
elijahsj 1:8a094db1347f 39 static inline void stm_pin_DisconnectDebug(PinName pin)
elijahsj 1:8a094db1347f 40 {
elijahsj 1:8a094db1347f 41 /* empty for now */
elijahsj 1:8a094db1347f 42 }
elijahsj 1:8a094db1347f 43
elijahsj 1:8a094db1347f 44 static inline void stm_pin_PullConfig(GPIO_TypeDef *gpio, uint32_t ll_pin, uint32_t pull_config)
elijahsj 1:8a094db1347f 45 {
elijahsj 1:8a094db1347f 46 switch (pull_config) {
elijahsj 1:8a094db1347f 47 case GPIO_PULLUP:
elijahsj 1:8a094db1347f 48 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_UP);
elijahsj 1:8a094db1347f 49 break;
elijahsj 1:8a094db1347f 50 case GPIO_PULLDOWN:
elijahsj 1:8a094db1347f 51 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_DOWN);
elijahsj 1:8a094db1347f 52 break;
elijahsj 1:8a094db1347f 53 default:
elijahsj 1:8a094db1347f 54 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_NO);
elijahsj 1:8a094db1347f 55 break;
elijahsj 1:8a094db1347f 56 }
elijahsj 1:8a094db1347f 57 }
elijahsj 1:8a094db1347f 58
elijahsj 1:8a094db1347f 59 static inline void stm_pin_SetAFPin( GPIO_TypeDef *gpio, PinName pin, uint32_t afnum)
elijahsj 1:8a094db1347f 60 {
elijahsj 1:8a094db1347f 61 uint32_t ll_pin = ll_pin_defines[STM_PIN(pin)];
elijahsj 1:8a094db1347f 62
elijahsj 1:8a094db1347f 63 if (STM_PIN(pin) > 7)
elijahsj 1:8a094db1347f 64 LL_GPIO_SetAFPin_8_15(gpio, ll_pin, afnum);
elijahsj 1:8a094db1347f 65 else
elijahsj 1:8a094db1347f 66 LL_GPIO_SetAFPin_0_7(gpio, ll_pin, afnum);
elijahsj 1:8a094db1347f 67 }
elijahsj 1:8a094db1347f 68
elijahsj 1:8a094db1347f 69 #endif