diff options
Diffstat (limited to 'os/hal/ports/NRF5/NRF51822/hal_gpt_lld.h')
| -rw-r--r-- | os/hal/ports/NRF5/NRF51822/hal_gpt_lld.h | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/os/hal/ports/NRF5/NRF51822/hal_gpt_lld.h b/os/hal/ports/NRF5/NRF51822/hal_gpt_lld.h deleted file mode 100644 index 5ce7a95..0000000 --- a/os/hal/ports/NRF5/NRF51822/hal_gpt_lld.h +++ /dev/null @@ -1,264 +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 NRF51x22/gpt_lld.h
- * @brief NRF51x22 GPT subsystem low level driver header.
- *
- * @addtogroup GPT
- * @{
- */
-
-#ifndef HAL_GPT_LLD_H
-#define HAL_GPT_LLD_H
-
-#if HAL_USE_GPT || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @name Configuration options
- * @{
- */
-/**
- * @brief GPTD1 driver enable switch.
- * @details If set to @p TRUE the support for GPTD1 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(NRF5_GPT_USE_TIMER0) || defined(__DOXYGEN__)
-#define NRF5_GPT_USE_TIMER0 FALSE
-#endif
-
-/**
- * @brief GPTD2 driver enable switch.
- * @details If set to @p TRUE the support for GPTD2 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(NRF5_GPT_USE_TIMER1) || defined(__DOXYGEN__)
-#define NRF5_GPT_USE_TIMER1 FALSE
-#endif
-
-/**
- * @brief GPTD3 driver enable switch.
- * @details If set to @p TRUE the support for GPTD3 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(NRF5_GPT_USE_TIMER2) || defined(__DOXYGEN__)
-#define NRF5_GPT_USE_TIMER2 FALSE
-#endif
-
-/**
- * @brief GPTD1 interrupt priority level setting.
- */
-#if !defined(NRF5_GPT_TIMER0_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define NRF5_GPT_TIMER0_IRQ_PRIORITY 3
-#endif
-
-/**
- * @brief GPTD2 interrupt priority level setting.
- */
-#if !defined(NRF5_GPT_TIMER1_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define NRF5_GPT_TIMER1_IRQ_PRIORITY 3
-#endif
-
-/**
- * @brief GPTD3 interrupt priority level setting.
- */
-#if !defined(NRF5_GPT_TIMER2_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define NRF5_GPT_TIMER2_IRQ_PRIORITY 3
-#endif
-/** @} */
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-#if !NRF5_GPT_USE_TIMER0 && !NRF5_GPT_USE_TIMER1 && \
- !NRF5_GPT_USE_TIMER2
-#error "GPT driver activated but no TIMER peripheral assigned"
-#endif
-
-#if NRF5_GPT_USE_TIMER0 && \
- !OSAL_IRQ_IS_VALID_PRIORITY(NRF5_GPT_TIMER0_IRQ_PRIORITY)
-#error "Invalid IRQ priority assigned to TIMER0"
-#endif
-
-#if NRF5_GPT_USE_TIMER1 && \
- !OSAL_IRQ_IS_VALID_PRIORITY(NRF5_GPT_TIMER1_IRQ_PRIORITY)
-#error "Invalid IRQ priority assigned to TIMER1"
-#endif
-
-#if NRF5_GPT_USE_TIMER2 && \
- !OSAL_IRQ_IS_VALID_PRIORITY(NRF5_GPT_TIMER2_IRQ_PRIORITY)
-#error "Invalid IRQ priority assigned to TIMER2"
-#endif
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief GPT frequency type.
- */
-typedef enum {
- NRF5_GPT_FREQ_31250HZ = 31250,
- NRF5_GPT_FREQ_62500HZ = 62500,
- NRF5_GPT_FREQ_125KHZ = 125000,
- NRF5_GPT_FREQ_250KHZ = 250000,
- NRF5_GPT_FREQ_500KHZ = 500000,
- NRF5_GPT_FREQ_1MHZ = 1000000,
- NRF5_GPT_FREQ_2MHZ = 2000000,
- NRF5_GPT_FREQ_4MHZ = 4000000,
- NRF5_GPT_FREQ_8MHZ = 8000000,
- NRF5_GPT_FREQ_16MHZ = 16000000,
-} gptfreq_t;
-
-/**
- * @brief GPT counter type.
- */
-typedef uint32_t gptcnt_t;
-
-/**
- * @brief Driver configuration structure.
- * @note It could be empty on some architectures.
- */
-typedef struct {
- /**
- * @brief Timer clock in Hz.
- * @note The low level can use assertions in order to catch invalid
- * frequency specifications.
- */
- gptfreq_t frequency;
- /**
- * @brief Timer callback pointer.
- * @note This callback is invoked on GPT counter events.
- * @note This callback can be set to @p NULL but in that case the
- * one-shot mode cannot be used.
- */
- gptcallback_t callback;
- /* End of the mandatory fields.*/
- /**
- * @brief The timer resolution in bits (8/16/24/32)
- * @note The default value of this field is 16 bits
- * @note The 24 and 32 bit modes are only valid for TIMER0
- */
- uint8_t resolution;
-} GPTConfig;
-
-/**
- * @brief Structure representing a GPT driver.
- */
-struct GPTDriver {
- /**
- * @brief Driver state.
- */
- gptstate_t state;
- /**
- * @brief Current configuration data.
- */
- const GPTConfig *config;
-#if defined(GPT_DRIVER_EXT_FIELDS)
- GPT_DRIVER_EXT_FIELDS
-#endif
- /* End of the mandatory fields.*/
- /**
- * @brief Pointer to the TIMERx registers block.
- */
- NRF_TIMER_Type *tim;
- /**
- * @brief Index of the TIMERx capture/compare register used for setting the
- * interval between compare events.
- */
- uint8_t cc_int;
- /**
- * @brief Index of the TIMERx capture/compare register used for getting the
- * current timer counter value.
- */
- uint8_t cc_get;
-};
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/**
- * @brief Changes the interval of GPT peripheral.
- * @details This function changes the interval of a running GPT unit.
- * @pre The GPT unit must be running in continuous mode.
- * @post The GPT unit interval is changed to the new value.
- * @note The function has effect at the next cycle start.
- *
- * @param[in] gptp pointer to a @p GPTDriver object
- * @param[in] interval new cycle time in timer ticks
- *
- * @notapi
- */
-#define gpt_lld_change_interval(gptp, interval) \
- ((gptp)->tim->CC[(gptp)->cc_int] = (uint32_t)((interval) - 1))
-
-/**
- * @brief Returns the interval of GPT peripheral.
- * @pre The GPT unit must be running in continuous mode.
- *
- * @param[in] gptp pointer to a @p GPTDriver object
- * @return The current interval.
- *
- * @notapi
- */
-#define gpt_lld_get_interval(gptp) \
- ((gptcnt_t)((gptp)->tim->CC[(gptp)->cc_int]) + 1)
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if NRF5_GPT_USE_TIMER0 && !defined(__DOXYGEN__)
-extern GPTDriver GPTD1;
-#endif
-
-#if NRF5_GPT_USE_TIMER1 && !defined(__DOXYGEN__)
-extern GPTDriver GPTD2;
-#endif
-
-#if NRF5_GPT_USE_TIMER2 && !defined(__DOXYGEN__)
-extern GPTDriver GPTD3;
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void gpt_lld_init(void);
- void gpt_lld_start(GPTDriver *gptp);
- void gpt_lld_stop(GPTDriver *gptp);
- void gpt_lld_start_timer(GPTDriver *gptp, gptcnt_t period);
- void gpt_lld_stop_timer(GPTDriver *gptp);
- void gpt_lld_polled_delay(GPTDriver *gptp, gptcnt_t interval);
- gptcnt_t gpt_lld_get_counter(GPTDriver *gptp);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_GPT */
-
-#endif /* HAL_GPT_LLD_H */
-
-/** @} */
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