diff options
Diffstat (limited to 'os/hal/platforms/LPC17xx/adc_lld.h')
| -rw-r--r-- | os/hal/platforms/LPC17xx/adc_lld.h | 347 |
1 files changed, 0 insertions, 347 deletions
diff --git a/os/hal/platforms/LPC17xx/adc_lld.h b/os/hal/platforms/LPC17xx/adc_lld.h deleted file mode 100644 index 570ef606b..000000000 --- a/os/hal/platforms/LPC17xx/adc_lld.h +++ /dev/null @@ -1,347 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
- LPC17xx ADC 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 LPC17xx/adc_lld.h
- * @brief LPC17xx ADC subsystem low level driver header.
- * @note Values in samples buffer are from DR register.
- * To get ADC values make conversion (DR >> 6) & 0x03FF.
- * DMA only support one ADC channel.
- * @addtogroup ADC
- * @{
- */
-
-#ifndef _ADC_LLD_H_
-#define _ADC_LLD_H_
-
-#if HAL_USE_ADC || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-#define ADC0STAT_DONE_MASK 0x000000FF
-#define ADC0STAT_OVERRUN_MASK 0x0000FF00
-
-#define AD0CR_PDN (1UL << 21)
-/**
- * @name Absolute Maximum Ratings
- * @{
- */
-
-/**
- * @brief Maximum ADC clock frequency.
- */
-#define LPC17xx_ADCCLK_MAX 13000000
-
-/**
- * @brief Available number of ADC channels.
- */
-#define ADC_MAX_CHANNELS 8
-/** @} */
-
-/**
- * @name ADC settings
- * @{
- */
-
-/**
- * @name Available analog channels
- * @note In software-controlled mode only
- * one channel can be selected.
- * @{
- */
-#define AD0CR_CHANNEL0 (1UL << 0)
-#define AD0CR_CHANNEL1 (1UL << 1)
-#define AD0CR_CHANNEL2 (1UL << 2)
-#define AD0CR_CHANNEL3 (1UL << 3)
-#define AD0CR_CHANNEL4 (1UL << 4)
-#define AD0CR_CHANNEL5 (1UL << 5)
-#define AD0CR_CHANNEL6 (1UL << 6)
-#define AD0CR_CHANNEL7 (1UL << 7)
-/** @} */
-
-/**
- * @name ADC mode types
- * @note In software-controlled mode only one conversion
- * is make
- * @{
- */
-#define AD0CR_MODE_SOFT (0UL << 16)
-#define AD0CR_MODE_BURST (1UL << 16)
-/** @} */
-
-/**
- * @name Triggers selection
- * @note Only use in software-controlled mode
- * @{
- */
-#define AD0CR_START_NO (0UL << 24)
-#define AD0CR_START_NOW (1UL << 24)
-#define AD0CR_START_CT16B0_CAP0 (2UL << 24)
-#define AD0CR_START_CT32B0_CAP0 (3UL << 24)
-#define AD0CR_START_CT32B0_MAT0 (4UL << 24)
-#define AD0CR_START_CT32B0_MAT1 (5UL << 24)
-#define AD0CR_START_CT16B0_MAT0 (6UL << 24)
-#define AD0CR_START_CT16B0_MAT1 (7UL << 24)
-#define AD0CR_START_MASK (7UL << 24)
-/** @} */
-
-/**
- * @name Trigger edge type selection
- * @note Only use in software-controlled mode.
- * @{
- */
-#define AD0CR_EDGE_RISSING (0UL << 27)
-#define AD0CR_EDGE_FALLING (1UL << 27)
-/** @} */
-/** @} */
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @name Configuration options
- * @{
- */
-/**
- * @brief ADC common clock divider.
- */
-#if !defined(LPC17xx_ADC_CLKDIV) || defined(__DOXYGEN__)
-#define LPC17xx_ADC_CLKDIV 12
-#endif
-
-#if LPC17xx_PCLK/LPC17xx_ADC_CLKDIV > LPC17xx_ADCCLK_MAX
-#error "ADC clock frequency out of the acceptable range (13MHz max)"
-#endif
-
-/**
- * @brief ADC interrupt priority level setting.
- */
-#if !defined(LPC17xx_ADC_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define LPC17xx_ADC_IRQ_PRIORITY 3
-#endif
-
-/**
- * @brief ADC DMA enable switch.
- * @details If set to @p TRUE the support for ADC DMA is included.
- * @note ADC DMA only support one selected channel. The default is @p FALSE.
- */
-#if !defined(LPC17xx_ADC_USE_DMA) || defined(__DOXYGEN__)
-#define LPC17xx_ADC_USE_DMA FALSE
-#endif
-
-#if LPC17xx_ADC_USE_DMA || defined(__DOXYGEN__)
-#if !defined(LPC17xx_DMA_REQUIRED)
-#define LPC17xx_DMA_REQUIRED
-#endif
-#endif
-
-/**
- * @brief ADC DMA channel.
- */
-#if !defined(LPC17xx_ADC_DMA_CHANNEL) || defined(__DOXYGEN__)
-#define LPC17xx_ADC_DMA_CHANNEL DMA_CHANNEL6
-#endif
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief ADC sample data type.
- */
-typedef uint32_t adcsample_t;
-
-/**
- * @brief Channels number in a conversion group.
- */
-typedef uint16_t adc_channels_num_t;
-
-/**
- * @brief Possible ADC failure causes.
- * @note Error codes are architecture dependent and should not relied
- * upon.
- */
-typedef enum {
- ADC_ERR_OVERRUN = 1 /**< ADC overrun condition. */
-} adcerror_t;
-
-/**
- * @brief Type of a structure representing an ADC driver.
- */
-typedef struct ADCDriver ADCDriver;
-
-/**
- * @brief ADC notification callback type.
- *
- * @param[in] adcp pointer to the @p ADCDriver object triggering the
- * callback
- * @param[in] buffer pointer to the most recent samples data
- * @param[in] n number of buffer rows available starting from @p buffer
- */
-typedef void (*adccallback_t)(ADCDriver *adcp, adcsample_t *buffer, size_t n);
-
-/**
- * @brief ADC error callback type.
- *
- * @param[in] adcp pointer to the @p ADCDriver object triggering the
- * callback
- * @param[in] err ADC error code
- */
-typedef void (*adcerrorcallback_t)(ADCDriver *adcp, adcerror_t err);
-
-/**
- * @brief Conversion group configuration structure.
- * @details This implementation-dependent structure describes a conversion
- * operation.
- * @note The use of this configuration structure requires knowledge of
- * LPC17xx ADC cell registers interface, please refer to the LPC17xx
- * reference manual for details.
- */
-typedef struct {
- /**
- * @brief Enables the circular buffer mode for the group.
- */
- bool_t circular;
- /**
- * @brief Number of the analog channels belonging to the conversion group.
- */
- adc_channels_num_t num_channels;
- /**
- * @brief Callback function associated to the group or @p NULL.
- */
- adccallback_t end_cb;
- /**
- * @brief Error callback or @p NULL.
- */
- adcerrorcallback_t error_cb;
- /* End of the mandatory fields.*/
- /**
- * @brief ADC CR0 register initialization data.
- * @note All the required bits must be defined into this field.
- */
- uint32_t cr0;
- /**
- * @brief ADC INTENT register initialization data.
- * @note In interrupt burst mode only define interrupt for
- * last enabled channel.
- */
- uint32_t inten;
-} ADCConversionGroup;
-
-/**
- * @brief Driver configuration structure.
- * @note It could be empty on some architectures.
- */
-typedef struct {
- uint32_t dummy;
-} ADCConfig;
-
-/**
- * @brief Structure representing an ADC driver.
- */
-struct ADCDriver {
- /**
- * @brief Driver state.
- */
- adcstate_t state;
- /**
- * @brief Current configuration data.
- */
- const ADCConfig *config;
- /**
- * @brief Current samples buffer pointer or @p NULL.
- */
- adcsample_t *samples;
- /**
- * @brief Current samples buffer depth or @p 0.
- */
- size_t depth;
- /**
- * @brief Current conversion group pointer or @p NULL.
- */
- const ADCConversionGroup *grpp;
-#if ADC_USE_WAIT || defined(__DOXYGEN__)
- /**
- * @brief Waiting thread.
- */
- Thread *thread;
-#endif
-#if ADC_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
-#if CH_USE_MUTEXES || defined(__DOXYGEN__)
- /**
- * @brief Mutex protecting the peripheral.
- */
- Mutex mutex;
-#elif CH_USE_SEMAPHORES
- Semaphore semaphore;
-#endif
-#endif /* ADC_USE_MUTUAL_EXCLUSION */
-#if defined(ADC_DRIVER_EXT_FIELDS)
- ADC_DRIVER_EXT_FIELDS
-#endif
- /* End of the mandatory fields.*/
- /**
- * @brief Pointer to the ADCx registers block.
- */
- LPC_ADC_TypeDef *adc;
- /**
- * @brief Number of all samples in buffer.
- */
- uint32_t nsamples;
- /**
- * @brief Samples buffer counter.
- */
- uint32_t num;
-#if LPC17xx_ADC_USE_DMA
- /**
- * @brief Half buffer indicator.
- */
- bool_t half_buffer;
-#endif
-};
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if !defined(__DOXYGEN__)
-extern ADCDriver ADCD1;
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void adc_lld_init(void);
- void adc_lld_start(ADCDriver *adcp);
- void adc_lld_stop(ADCDriver *adcp);
- void adc_lld_start_conversion(ADCDriver *adcp);
- void adc_lld_stop_conversion(ADCDriver *adcp);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_ADC */
-
-#endif /* _ADC_LLD_H_ */
-
-/** @} */
|