mcp47xx_params.h
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1 /*
2  * Copyright (C) 2021 Gunar Schorcht
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
17 #ifndef MCP47XX_PARAMS_H
18 #define MCP47XX_PARAMS_H
19 
20 #include "board.h"
21 #include "mcp47xx.h"
22 #include "saul_reg.h"
23 #include "saul/periph.h"
24 
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28 
33 #ifndef MCP47XX_PARAM_VARIANT
35 #define MCP47XX_PARAM_VARIANT (MCP4725)
36 #endif
37 
38 #ifndef MCP47XX_PARAM_DEV
40 #define MCP47XX_PARAM_DEV I2C_DEV(0)
41 #endif
42 
43 #ifndef MCP47XX_PARAM_ADDR
45 #define MCP47XX_PARAM_ADDR (MCP47XX_BASE_ADDR + 2)
46 #endif
47 
48 #ifndef MCP47XX_PARAM_GAIN
50 #define MCP47XX_PARAM_GAIN (MCP47XX_GAIN_1X)
51 #endif
52 
53 #ifndef MCP47XX_PARAM_VREF
55 #define MCP47XX_PARAM_VREF (MCP47XX_VREF_VDD)
56 #endif
57 
58 #ifndef MCP47XX_PARAM_PD_MODE
60 #define MCP47XX_PARAM_PD_MODE (MCP47XX_PD_LARGE)
61 #endif
62 
63 #ifndef MCP47XX_PARAMS
65 #define MCP47XX_PARAMS { \
66  .dev = MCP47XX_PARAM_DEV, \
67  .addr = MCP47XX_PARAM_ADDR, \
68  .variant = MCP47XX_PARAM_VARIANT, \
69  .gain = MCP47XX_PARAM_GAIN, \
70  .vref = MCP47XX_PARAM_VREF, \
71  .pd_mode = MCP47XX_PARAM_PD_MODE, \
72  },
73 #endif /* MCP47XX_PARAMS */
74 
75 #ifndef MCP47XX_SAUL_DAC_PARAMS
77 #define MCP47XX_SAUL_DAC_PARAMS { \
78  .name = "DAC00", \
79  .dev = 0, \
80  .channel = 0, \
81  .initial = 32768, \
82  },
83 #endif
89 static const mcp47xx_params_t mcp47xx_params[] =
90 {
91  MCP47XX_PARAMS
92 };
93 
94 #if IS_USED(MODULE_SAUL) || DOXYGEN
98 static const mcp47xx_saul_dac_params_t mcp47xx_saul_dac_params[] =
99 {
100  MCP47XX_SAUL_DAC_PARAMS
101 };
102 #endif /* IS_USED(MODULE_SAUL) || DOXYGEN */
103 
104 #ifdef __cplusplus
105 }
106 #endif
107 
108 #endif /* MCP47XX_PARAMS_H */
mcp47xx_params
static const mcp47xx_params_t mcp47xx_params[]
Allocate some memory to store the actual configuration.
Definition: mcp47xx_params.h:89
MCP47XX_PARAMS
#define MCP47XX_PARAMS
Default MCP47xx configuration parameters.
Definition: mcp47xx_params.h:65
MCP47XX_SAUL_DAC_PARAMS
#define MCP47XX_SAUL_DAC_PARAMS
Example for mapping DAC channels to SAUL.
Definition: mcp47xx_params.h:77
mcp47xx_saul_dac_params
static const mcp47xx_saul_dac_params_t mcp47xx_saul_dac_params[]
Additional meta information to keep in the SAUL registry.
Definition: mcp47xx_params.h:98
periph.h
Parameter definitions for mapping peripherals directly to SAUL.
saul_reg.h
SAUL registry interface definition.
mcp47xx_params_t
MCP47xx device configuration parameters.
Definition: mcp47xx.h:213
mcp47xx_saul_dac_params_t
MCP47xx configuration structure for mapping DAC channels to SAUL.
Definition: mcp47xx.h:239