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Diffstat (limited to 'os/hal/ports/STM32/LLD/EXTIv1/hal_ext_lld.c')
-rw-r--r--os/hal/ports/STM32/LLD/EXTIv1/hal_ext_lld.c239
1 files changed, 0 insertions, 239 deletions
diff --git a/os/hal/ports/STM32/LLD/EXTIv1/hal_ext_lld.c b/os/hal/ports/STM32/LLD/EXTIv1/hal_ext_lld.c
deleted file mode 100644
index ab2ab1c59..000000000
--- a/os/hal/ports/STM32/LLD/EXTIv1/hal_ext_lld.c
+++ /dev/null
@@ -1,239 +0,0 @@
-/*
- ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file EXTIv1/hal_ext_lld.c
- * @brief STM32 EXT subsystem low level driver source.
- *
- * @addtogroup EXT
- * @{
- */
-
-#include "hal.h"
-
-#if HAL_USE_EXT || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-/* Handling a difference in ST headers.*/
-#if defined(STM32L4XX)
-#define EMR EMR1
-#define IMR IMR1
-#define PR PR1
-#define RTSR RTSR1
-#define FTSR FTSR1
-#endif
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/**
- * @brief EXTD1 driver identifier.
- */
-EXTDriver EXTD1;
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Low level EXT driver initialization.
- *
- * @notapi
- */
-void ext_lld_init(void) {
-
- /* Driver initialization.*/
- extObjectInit(&EXTD1);
-}
-
-/**
- * @brief Configures and activates the EXT peripheral.
- *
- * @param[in] extp pointer to the @p EXTDriver object
- *
- * @notapi
- */
-void ext_lld_start(EXTDriver *extp) {
- expchannel_t line;
-
- if (extp->state == EXT_STOP)
- ext_lld_exti_irq_enable();
-
- /* Configuration of automatic channels.*/
- for (line = 0; line < EXT_MAX_CHANNELS; line++)
- if (extp->config->channels[line].mode & EXT_CH_MODE_AUTOSTART)
- ext_lld_channel_enable(extp, line);
- else
- ext_lld_channel_disable(extp, line);
-}
-
-/**
- * @brief Deactivates the EXT peripheral.
- *
- * @param[in] extp pointer to the @p EXTDriver object
- *
- * @notapi
- */
-void ext_lld_stop(EXTDriver *extp) {
-
- if (extp->state == EXT_ACTIVE)
- ext_lld_exti_irq_disable();
-
- EXTI->EMR = 0;
- EXTI->IMR = STM32_EXTI_IMR_MASK;
- EXTI->PR = ~STM32_EXTI_IMR_MASK;
-#if STM32_EXTI_NUM_LINES > 32
- EXTI->IMR2 = STM32_EXTI_IMR2_MASK;
- EXTI->PR2 = ~STM32_EXTI_IMR2_MASK;
-#endif
-}
-
-/**
- * @brief Enables an EXT channel.
- *
- * @param[in] extp pointer to the @p EXTDriver object
- * @param[in] channel channel to be enabled
- *
- * @notapi
- */
-void ext_lld_channel_enable(EXTDriver *extp, expchannel_t channel) {
- uint32_t cmask = (1 << (channel & 0x1F));
-
- /* Setting the associated GPIO for external channels.*/
- if (channel < 16) {
- uint32_t n = channel >> 2;
- uint32_t mask = ~(0xF << ((channel & 3) * 4));
- uint32_t port = ((extp->config->channels[channel].mode &
- EXT_MODE_GPIO_MASK) >>
- EXT_MODE_GPIO_OFF) << ((channel & 3) * 4);
-
-#if defined(STM32F1XX)
- AFIO->EXTICR[n] = (AFIO->EXTICR[n] & mask) | port;
-#else /* !defined(STM32F1XX) */
- SYSCFG->EXTICR[n] = (SYSCFG->EXTICR[n] & mask) | port;
-#endif /* !defined(STM32F1XX) */
- }
-
-#if STM32_EXTI_NUM_LINES > 32
- if (channel < 32) {
-#endif
- /* Masked out lines must not be touched by this driver.*/
- if ((cmask & STM32_EXTI_IMR_MASK) != 0U) {
- return;
- }
-
- /* Programming edge registers.*/
- if (extp->config->channels[channel].mode & EXT_CH_MODE_RISING_EDGE)
- EXTI->RTSR |= cmask;
- else
- EXTI->RTSR &= ~cmask;
- if (extp->config->channels[channel].mode & EXT_CH_MODE_FALLING_EDGE)
- EXTI->FTSR |= cmask;
- else
- EXTI->FTSR &= ~cmask;
-
- /* Programming interrupt and event registers.*/
- if (extp->config->channels[channel].cb != NULL) {
- EXTI->IMR |= cmask;
- EXTI->EMR &= ~cmask;
- }
- else {
- EXTI->EMR |= cmask;
- EXTI->IMR &= ~cmask;
- }
-#if STM32_EXTI_NUM_LINES > 32
- }
- else {
- /* Masked out lines must not be touched by this driver.*/
- if ((cmask & STM32_EXTI_IMR2_MASK) != 0U) {
- return;
- }
-
- /* Programming edge registers.*/
- if (extp->config->channels[channel].mode & EXT_CH_MODE_RISING_EDGE)
- EXTI->RTSR2 |= cmask;
- else
- EXTI->RTSR2 &= ~cmask;
- if (extp->config->channels[channel].mode & EXT_CH_MODE_FALLING_EDGE)
- EXTI->FTSR2 |= cmask;
- else
- EXTI->FTSR2 &= ~cmask;
-
- /* Programming interrupt and event registers.*/
- if (extp->config->channels[channel].cb != NULL) {
- EXTI->IMR2 |= cmask;
- EXTI->EMR2 &= ~cmask;
- }
- else {
- EXTI->EMR2 |= cmask;
- EXTI->IMR2 &= ~cmask;
- }
- }
-#endif
-}
-
-/**
- * @brief Disables an EXT channel.
- *
- * @param[in] extp pointer to the @p EXTDriver object
- * @param[in] channel channel to be disabled
- *
- * @notapi
- */
-void ext_lld_channel_disable(EXTDriver *extp, expchannel_t channel) {
- uint32_t cmask = (1 << (channel & 0x1F));
-
- (void)extp;
-
-#if STM32_EXTI_NUM_LINES > 32
- if (channel < 32) {
-#endif
- EXTI->IMR &= ~cmask;
- EXTI->EMR &= ~cmask;
- EXTI->RTSR &= ~cmask;
- EXTI->FTSR &= ~cmask;
- EXTI->PR = cmask;
-#if STM32_EXTI_NUM_LINES > 32
- }
- else {
- EXTI->IMR2 &= ~cmask;
- EXTI->EMR2 &= ~cmask;
- EXTI->RTSR2 &= ~cmask;
- EXTI->FTSR2 &= ~cmask;
- EXTI->PR2 = cmask;
- }
-#endif
-}
-
-#endif /* HAL_USE_EXT */
-
-/** @} */
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