diff options
Diffstat (limited to 'os/hal/platforms/LPC11xx/ext_lld.c')
| -rw-r--r-- | os/hal/platforms/LPC11xx/ext_lld.c | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/os/hal/platforms/LPC11xx/ext_lld.c b/os/hal/platforms/LPC11xx/ext_lld.c deleted file mode 100644 index c22cd83be..000000000 --- a/os/hal/platforms/LPC11xx/ext_lld.c +++ /dev/null @@ -1,259 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
- LPC11xx EXT driver - Copyright (C) 2013 Marcin Jokel
-
- 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 LPC11xx/ext_lld.c
- * @brief LPC11xx EXT subsystem low level driver source.
- *
- * @addtogroup EXT
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_EXT || defined(__DOXYGEN__)
-
-#include "ext_lld_isr.h"
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/**
- * @brief EXTD0 driver identifier.
- */
-#if LPC11xx_EXT_USE_EXT0 || defined(__DOXYGEN__)
-EXTDriver EXTD0;
-#endif
-
-/**
- * @brief EXTD1 driver identifier.
- */
-#if LPC11xx_EXT_USE_EXT1 || defined(__DOXYGEN__)
-EXTDriver EXTD1;
-#endif
-
-/**
- * @brief EXTD2 driver identifier.
- */
-#if LPC11xx_EXT_USE_EXT2 || defined(__DOXYGEN__)
-EXTDriver EXTD2;
-#endif
-
-/**
- * @brief EXTD3 driver identifier.
- */
-#if LPC11xx_EXT_USE_EXT3 || defined(__DOXYGEN__)
-EXTDriver EXTD3;
-#endif
-
-/*===========================================================================*/
-/* 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.*/
-#if LPC11xx_EXT_USE_EXT0
- extObjectInit(&EXTD0);
- EXTD0.gpio = LPC_GPIO0;
-#endif
-
-#if LPC11xx_EXT_USE_EXT1
- extObjectInit(&EXTD1);
- EXTD1.gpio = LPC_GPIO1;
-#endif
-
-#if LPC11xx_EXT_USE_EXT2
- extObjectInit(&EXTD2);
- EXTD2.gpio = LPC_GPIO2;
-#endif
-
-#if LPC11xx_EXT_USE_EXT3
- extObjectInit(&EXTD3);
- EXTD3.gpio = LPC_GPIO3;
-#endif
-}
-
-/**
- * @brief Configures and activates the EXT peripheral.
- *
- * @param[in] extp pointer to the @p EXTDriver object
- *
- * @notapi
- */
-void ext_lld_start(EXTDriver *extp) {
- int i;
-
- /* Configure all pins as edge sensitive */
-#if LPC11xx_EXT_USE_EXT0
- if (extp == &EXTD0) {
- LPC_GPIO0->IS = 0;
- ext_lld_exti_irq_enable(EXTI0_IRQ);
- }
-#endif
-
-#if LPC11xx_EXT_USE_EXT1
- if (extp == &EXTD1) {
- LPC_GPIO1->IS = 0;
- ext_lld_exti_irq_enable(EXTI1_IRQ);
- }
-#endif
-
-#if LPC11xx_EXT_USE_EXT2
- if (extp == &EXTD2) {
- LPC_GPIO2->IS = 0;
- ext_lld_exti_irq_enable(EXTI2_IRQ);
- }
-#endif
-
-#if LPC11xx_EXT_USE_EXT3
- if (extp == &EXTD3) {
- LPC_GPIO3->IS = 0;
- ext_lld_exti_irq_enable(EXTI3_IRQ);
- }
-#endif
-
- /* Configuration of autostart channels.*/
- for (i = 0; i < EXT_MAX_CHANNELS; i++)
- 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) {
-
- LPC_GPIO_TypeDef * gp = extp->gpio;
-
- if (extp->state == EXT_ACTIVE) {
-#if LPC11xx_EXT_USE_EXT0
- if (extp == &EXTD0) {
- ext_lld_exti_irq_disable(EXTI0_IRQ);
- }
-#endif
-
-#if LPC11xx_EXT_USE_EXT1
- if (extp == &EXTD1) {
- ext_lld_exti_irq_disable(EXTI1_IRQ);
- }
-#endif
-
-#if LPC11xx_EXT_USE_EXT2
- if (extp == &EXTD2) {
- ext_lld_exti_irq_disable(EXTI2_IRQ);
- }
-#endif
-
-#if LPC11xx_EXT_USE_EXT3
- if (extp == &EXTD3) {
- ext_lld_exti_irq_disable(EXTI3_IRQ);
- }
-#endif
- }
-
- gp->IE = 0;
- gp->IC = 0xFFFFFFFF;
- __NOP();
- __NOP();
-}
-
-/**
- * @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) {
-
- LPC_GPIO_TypeDef * gp;
-
- gp = extp->gpio;
-
- /* Programming edge irq enables */
- if (extp->config->channels[channel].mode & EXT_CH_MODE_BOTH_EDGES)
- gp->IBE |= (1 << channel);
- else {
- gp->IBE &= ~(1 << channel);
- if (extp->config->channels[channel].mode & EXT_CH_MODE_RISING_EDGE)
- gp->IEV |= (1 << channel);
- else
- gp->IEV &= (1 << channel);
- }
-
- gp->IC = (1 << channel); /* Clear interrupt on selected channel */
- __NOP();
- __NOP();
-
- gp->IE |= (1 << channel); /* Interrupt on selected channel
- is not masked */
-}
-
-/**
- * @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) {
-
- LPC_GPIO_TypeDef * gp;
-
- gp = extp->gpio;
-
- gp->IE &= ~(1 << channel); /* Mask interrupt on selected channel */
- gp->IC = (1 << channel); /* Clear interrupt on selected channel */
- __NOP();
- __NOP();
-}
-
-#endif /* HAL_USE_EXT */
-
-/** @} */
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