1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
|
/**
* \file
*
* \brief ADC related functionality declaration.
*
* Copyright (c) 2016-2018 Microchip Technology Inc. and its subsidiaries.
*
* \asf_license_start
*
* \page License
*
* Subject to your compliance with these terms, you may use Microchip
* software and any derivatives exclusively with Microchip products.
* It is your responsibility to comply with third party license terms applicable
* to your use of third party software (including open source software) that
* may accompany Microchip software.
*
* THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
* WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
* INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
* AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
* LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
* LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
* SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
* POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
* ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
* RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
* THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
*
* \asf_license_stop
*
*/
#ifndef _HPL_ADC_DMA_H_INCLUDED
#define _HPL_ADC_DMA_H_INCLUDED
/**
* \addtogroup HPL ADC
*
* \section hpl_dma_adc_rev Revision History
* - v1.0.0 Initial Release
*
*@{
*/
#include <hpl_adc_sync.h>
#include <hpl_irq.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief ADC device structure
*
* The ADC device structure forward declaration.
*/
struct _adc_dma_device;
/**
* \brief ADC callback types
*/
enum _adc_dma_callback_type { ADC_DMA_DEVICE_COMPLETE_CB, ADC_DMA_DEVICE_ERROR_CB };
/**
* \brief ADC interrupt callbacks
*/
struct _adc_dma_callbacks {
void (*complete)(struct _adc_dma_device *device, const uint16_t data);
void (*error)(struct _adc_dma_device *device);
};
/**
* \brief ADC descriptor device structure
*/
struct _adc_dma_device {
struct _adc_dma_callbacks adc_dma_cb;
struct _irq_descriptor irq;
void * hw;
};
/**
* \name HPL functions
*/
//@{
/**
* \brief Initialize synchronous ADC
*
* This function does low level ADC configuration.
*
* param[in] device The pointer to ADC device instance
* param[in] hw The pointer to hardware instance
*
* \return Initialization status
*/
int32_t _adc_dma_init(struct _adc_dma_device *const device, void *const hw);
/**
* \brief Deinitialize ADC
*
* \param[in] device The pointer to ADC device instance
*/
void _adc_dma_deinit(struct _adc_dma_device *const device);
/**
* \brief Enable ADC peripheral
*
* \param[in] device The pointer to ADC device instance
* \param[in] channel Channel number
*/
void _adc_dma_enable_channel(struct _adc_dma_device *const device, const uint8_t channel);
/**
* \brief Disable ADC peripheral
*
* \param[in] device The pointer to ADC device instance
* \param[in] channel Channel number
*/
void _adc_dma_disable_channel(struct _adc_dma_device *const device, const uint8_t channel);
/**
* \brief Return address of ADC DMA source
*
* \param[in] device The pointer to ADC device instance
*
* \return ADC DMA source address
*/
uint32_t _adc_get_source_for_dma(struct _adc_dma_device *const device);
/**
* \brief Retrieve ADC conversion data size
*
* \param[in] device The pointer to ADC device instance
*
* \return The data size in bytes
*/
uint8_t _adc_dma_get_data_size(const struct _adc_dma_device *const device);
/**
* \brief Check if conversion is done
*
* \param[in] device The pointer to ADC device instance
*
* \return The status of conversion
* \retval true The conversion is done
* \retval false The conversion is not done
*/
bool _adc_dma_is_conversion_done(const struct _adc_dma_device *const device);
/**
* \brief Make conversion
*
* \param[in] device The pointer to ADC device instance
*/
void _adc_dma_convert(struct _adc_dma_device *const device);
/**
* \brief Set reference source
*
* \param[in] device The pointer to ADC device instance
* \param[in] reference A reference source to set
*/
void _adc_dma_set_reference_source(struct _adc_dma_device *const device, const adc_reference_t reference);
/**
* \brief Set resolution
*
* \param[in] device The pointer to ADC device instance
* \param[in] resolution A resolution to set
*/
void _adc_dma_set_resolution(struct _adc_dma_device *const device, const adc_resolution_t resolution);
/**
* \brief Set ADC input source of a channel
*
* \param[in] device The pointer to ADC device instance
* \param[in] pos_input A positive input source to set
* \param[in] neg_input A negative input source to set
* \param[in] channel Channel number
*/
void _adc_dma_set_inputs(struct _adc_dma_device *const device, const adc_pos_input_t pos_input,
const adc_neg_input_t neg_input, const uint8_t channel);
/**
* \brief Set conversion mode
*
* \param[in] device The pointer to ADC device instance
* \param[in] mode A conversion mode to set
*/
void _adc_dma_set_conversion_mode(struct _adc_dma_device *const device, const enum adc_conversion_mode mode);
/**
* \brief Set differential mode
*
* \param[in] device The pointer to ADC device instance
* \param[in] channel Channel number
* \param[in] mode A differential mode to set
*/
void _adc_dma_set_channel_differential_mode(struct _adc_dma_device *const device, const uint8_t channel,
const enum adc_differential_mode mode);
/**
* \brief Set gain
*
* \param[in] device The pointer to ADC device instance
* \param[in] channel Channel number
* \param[in] gain A gain to set
*/
void _adc_dma_set_channel_gain(struct _adc_dma_device *const device, const uint8_t channel, const adc_gain_t gain);
/**
* \brief Set window mode
*
* \param[in] device The pointer to ADC device instance
* \param[in] mode A mode to set
*/
void _adc_dma_set_window_mode(struct _adc_dma_device *const device, const adc_window_mode_t mode);
/**
* \brief Set thresholds
*
* \param[in] device The pointer to ADC device instance
* \param[in] low_threshold A lower thresholds to set
* \param[in] up_threshold An upper thresholds to set
*/
void _adc_dma_set_thresholds(struct _adc_dma_device *const device, const adc_threshold_t low_threshold,
const adc_threshold_t up_threshold);
/**
* \brief Retrieve threshold state
*
* \param[in] device The pointer to ADC device instance
* \param[out] state The threshold state
*/
void _adc_dma_get_threshold_state(const struct _adc_dma_device *const device, adc_threshold_status_t *const state);
//@}
#ifdef __cplusplus
}
#endif
/**@}*/
#endif /* _HPL_ADC_DMA_H_INCLUDED */
|
