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Diffstat (limited to 'lib/chibios/os/hal/templates/hal_dac_lld.h')
-rw-r--r-- | lib/chibios/os/hal/templates/hal_dac_lld.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/lib/chibios/os/hal/templates/hal_dac_lld.h b/lib/chibios/os/hal/templates/hal_dac_lld.h new file mode 100644 index 000000000..7bfccda7a --- /dev/null +++ b/lib/chibios/os/hal/templates/hal_dac_lld.h | |||
@@ -0,0 +1,137 @@ | |||
1 | /* | ||
2 | ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio | ||
3 | |||
4 | Licensed under the Apache License, Version 2.0 (the "License"); | ||
5 | you may not use this file except in compliance with the License. | ||
6 | You may obtain a copy of the License at | ||
7 | |||
8 | http://www.apache.org/licenses/LICENSE-2.0 | ||
9 | |||
10 | Unless required by applicable law or agreed to in writing, software | ||
11 | distributed under the License is distributed on an "AS IS" BASIS, | ||
12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
13 | See the License for the specific language governing permissions and | ||
14 | limitations under the License. | ||
15 | */ | ||
16 | |||
17 | /** | ||
18 | * @file hal_dac_lld.h | ||
19 | * @brief PLATFORM DAC subsystem low level driver header. | ||
20 | * | ||
21 | * @addtogroup DAC | ||
22 | * @{ | ||
23 | */ | ||
24 | |||
25 | #ifndef HAL_DAC_LLD_H | ||
26 | #define HAL_DAC_LLD_H | ||
27 | |||
28 | #if (HAL_USE_DAC == TRUE) || defined(__DOXYGEN__) | ||
29 | |||
30 | /*===========================================================================*/ | ||
31 | /* Driver constants. */ | ||
32 | /*===========================================================================*/ | ||
33 | |||
34 | /** | ||
35 | * @brief Maximum number of DAC channels per unit. | ||
36 | */ | ||
37 | #define DAC_MAX_CHANNELS 2 | ||
38 | |||
39 | /*===========================================================================*/ | ||
40 | /* Driver pre-compile time settings. */ | ||
41 | /*===========================================================================*/ | ||
42 | |||
43 | /** | ||
44 | * @name Configuration options | ||
45 | * @{ | ||
46 | */ | ||
47 | /** | ||
48 | * @brief DAC1 CH1 driver enable switch. | ||
49 | * @details If set to @p TRUE the support for DAC1 channel 1 is included. | ||
50 | * @note The default is @p FALSE. | ||
51 | */ | ||
52 | #if !defined(PLATFORM_DAC_USE_DAC1) || defined(__DOXYGEN__) | ||
53 | #define PLATFORM_DAC_USE_DAC1 FALSE | ||
54 | #endif | ||
55 | /** @} */ | ||
56 | |||
57 | /*===========================================================================*/ | ||
58 | /* Derived constants and error checks. */ | ||
59 | /*===========================================================================*/ | ||
60 | |||
61 | /*===========================================================================*/ | ||
62 | /* Driver data structures and types. */ | ||
63 | /*===========================================================================*/ | ||
64 | |||
65 | /** | ||
66 | * @brief Type of a DAC channel index. | ||
67 | */ | ||
68 | typedef uint32_t dacchannel_t; | ||
69 | |||
70 | /** | ||
71 | * @brief Type representing a DAC sample. | ||
72 | */ | ||
73 | typedef uint16_t dacsample_t; | ||
74 | |||
75 | /** | ||
76 | * @brief Possible DAC failure causes. | ||
77 | * @note Error codes are architecture dependent and should not relied | ||
78 | * upon. | ||
79 | */ | ||
80 | typedef enum { | ||
81 | DAC_ERR_DMAFAILURE = 0, /**< DMA operations failure. */ | ||
82 | DAC_ERR_UNDERFLOW = 1 /**< DAC overflow condition. */ | ||
83 | } dacerror_t; | ||
84 | |||
85 | /*===========================================================================*/ | ||
86 | /* Driver macros. */ | ||
87 | /*===========================================================================*/ | ||
88 | |||
89 | /** | ||
90 | * @brief Low level fields of the DAC driver structure. | ||
91 | */ | ||
92 | #define dac_lld_driver_fields \ | ||
93 | /* Dummy field, it is not needed.*/ \ | ||
94 | uint32_t dummy | ||
95 | |||
96 | /** | ||
97 | * @brief Low level fields of the DAC configuration structure. | ||
98 | */ | ||
99 | #define dac_lld_config_fields \ | ||
100 | /* Dummy configuration, it is not needed.*/ \ | ||
101 | uint32_t dummy | ||
102 | |||
103 | /** | ||
104 | * @brief Low level fields of the DAC group configuration structure. | ||
105 | */ | ||
106 | #define dac_lld_conversion_group_fields \ | ||
107 | /* Dummy configuration, it is not needed.*/ \ | ||
108 | uint32_t dummy | ||
109 | |||
110 | /*===========================================================================*/ | ||
111 | /* External declarations. */ | ||
112 | /*===========================================================================*/ | ||
113 | |||
114 | #if (PLATFORM_DAC_USE_DAC1 == TRUE) && !defined(__DOXYGEN__) | ||
115 | extern DACDriver DACD1; | ||
116 | #endif | ||
117 | |||
118 | #ifdef __cplusplus | ||
119 | extern "C" { | ||
120 | #endif | ||
121 | void dac_lld_init(void); | ||
122 | void dac_lld_start(DACDriver *dacp); | ||
123 | void dac_lld_stop(DACDriver *dacp); | ||
124 | void dac_lld_put_channel(DACDriver *dacp, | ||
125 | dacchannel_t channel, | ||
126 | dacsample_t sample); | ||
127 | void dac_lld_start_conversion(DACDriver *dacp); | ||
128 | void dac_lld_stop_conversion(DACDriver *dacp); | ||
129 | #ifdef __cplusplus | ||
130 | } | ||
131 | #endif | ||
132 | |||
133 | #endif /* HAL_USE_DAC == TRUE */ | ||
134 | |||
135 | #endif /* HAL_DAC_LLD_H */ | ||
136 | |||
137 | /** @} */ | ||