diff options
Diffstat (limited to 'os/hal/ports/NRF5/LLD/GPIOTEv1/hal_ext_lld.c')
| -rw-r--r-- | os/hal/ports/NRF5/LLD/GPIOTEv1/hal_ext_lld.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/os/hal/ports/NRF5/LLD/GPIOTEv1/hal_ext_lld.c b/os/hal/ports/NRF5/LLD/GPIOTEv1/hal_ext_lld.c deleted file mode 100644 index f38fa0c..0000000 --- a/os/hal/ports/NRF5/LLD/GPIOTEv1/hal_ext_lld.c +++ /dev/null @@ -1,168 +0,0 @@ -/*
- Copyright (C) 2015 Stephen Caudle
-
- 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 GPIOTEv1/ext_lld.c
- * @brief NRF51 EXT subsystem low level driver source.
- *
- * @addtogroup EXT
- * @{
- */
-
-#include "hal.h"
-
-#if HAL_USE_EXT || defined(__DOXYGEN__)
-
-#include "hal_ext_lld_isr.h"
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* 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) {
-
- unsigned i;
-
- ext_lld_exti_irq_enable();
-
- /* Configuration of automatic channels.*/
- for (i = 0; i < EXT_MAX_CHANNELS; i++) {
- uint32_t config = 0;
- uint32_t pad = (extp->config->channels[i].mode & EXT_MODE_GPIO_MASK)
- >> EXT_MODE_GPIO_OFFSET;
-
- if (extp->config->channels[i].mode & EXT_CH_MODE_BOTH_EDGES)
- config |= (GPIOTE_CONFIG_POLARITY_Toggle << GPIOTE_CONFIG_POLARITY_Pos);
- else if (extp->config->channels[i].mode & EXT_CH_MODE_RISING_EDGE)
- config |= (GPIOTE_CONFIG_POLARITY_LoToHi << GPIOTE_CONFIG_POLARITY_Pos);
- else
- config |= (GPIOTE_CONFIG_POLARITY_HiToLo << GPIOTE_CONFIG_POLARITY_Pos);
-
- config |= (pad << GPIOTE_CONFIG_PSEL_Pos);
-
- NRF_GPIOTE->CONFIG[i] = config;
- NRF_GPIOTE->EVENTS_PORT = 0;
- NRF_GPIOTE->EVENTS_IN[i] = 0;
-
- if (extp->config->channels[i].mode & EXT_CH_MODE_AUTOSTART)
- ext_lld_channel_enable(extp, i);
- else
- ext_lld_channel_disable(extp, i);
- }
-}
-
-/**
- * @brief Deactivates the EXT peripheral.
- *
- * @param[in] extp pointer to the @p EXTDriver object
- *
- * @notapi
- */
-void ext_lld_stop(EXTDriver *extp) {
-
- unsigned i;
-
- (void)extp;
- ext_lld_exti_irq_disable();
-
- for (i = 0; i < EXT_MAX_CHANNELS; i++)
- NRF_GPIOTE->CONFIG[i] = 0;
-
- NRF_GPIOTE->INTENCLR =
- (GPIOTE_INTENCLR_IN3_Msk | GPIOTE_INTENCLR_IN2_Msk |
- GPIOTE_INTENCLR_IN1_Msk | GPIOTE_INTENCLR_IN0_Msk);
-}
-
-/**
- * @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 config = NRF_GPIOTE->CONFIG[channel] & ~GPIOTE_CONFIG_MODE_Msk;
-
- (void)extp;
- config |= (GPIOTE_CONFIG_MODE_Event << GPIOTE_CONFIG_MODE_Pos);
-
- NRF_GPIOTE->CONFIG[channel] = config;
- NRF_GPIOTE->INTENSET = (1 << channel);
-}
-
-/**
- * @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) {
-
- (void)extp;
- NRF_GPIOTE->CONFIG[channel] &= ~GPIOTE_CONFIG_MODE_Msk;
- NRF_GPIOTE->INTENCLR = (1 << channel);
-}
-
-#endif /* HAL_USE_EXT */
-
-/** @} */
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