pcf857x_params.h
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1 /*
2  * Copyright (C) 2018 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 
9 #pragma once
10 
19 #include "board.h"
20 #include "pcf857x.h"
21 #include "saul_reg.h"
22 #include "saul/periph.h"
23 
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27 
32 #ifndef PCF857X_PARAM_DEV
34 #define PCF857X_PARAM_DEV I2C_DEV(0)
35 #endif
36 
37 #ifndef PCF857X_PARAM_ADDR
39 #define PCF857X_PARAM_ADDR (0)
40 #endif
41 
42 #ifndef PCF857X_PARAM_EXP
44 #if IS_USED(MODULE_PCF8575) || DOXYGEN
45 #define PCF857X_PARAM_EXP (PCF857X_EXP_PCF8575)
46 #elif IS_USED(MODULE_PCF8574)
47 #define PCF857X_PARAM_EXP (PCF857X_EXP_PCF8574)
48 #elif IS_USED(MODULE_PCF8574A)
49 #define PCF857X_PARAM_EXP (PCF857X_EXP_PCF8574A)
50 #endif
51 #endif /* PCF857X_PARAM_EXP */
52 
53 #ifndef PCF857X_PARAM_INT_PIN
55 #define PCF857X_PARAM_INT_PIN (GPIO_UNDEF)
56 #endif
57 
58 #ifndef PCF857X_PARAMS
59 #if IS_USED(MODULE_PCF857X_IRQ) || DOXYGEN
61 #define PCF857X_PARAMS { \
62  .dev = PCF857X_PARAM_DEV, \
63  .addr = PCF857X_PARAM_ADDR, \
64  .exp = PCF857X_PARAM_EXP, \
65  .int_pin = PCF857X_PARAM_INT_PIN, \
66  },
67 #else
68 #define PCF857X_PARAMS { \
69  .dev = PCF857X_PARAM_DEV, \
70  .addr = PCF857X_PARAM_ADDR, \
71  .exp = PCF857X_PARAM_EXP, \
72  },
73 #endif
74 #endif /* PCF857X_PARAMS */
75 
76 #ifndef PCF857X_SAUL_GPIO_PARAMS
78 #define PCF857X_SAUL_GPIO_PARAMS { \
79  .dev = 0, \
80  .gpio = { \
81  .name = "P00 Output", \
82  .pin = PCF857X_GPIO_PIN(0, 0), \
83  .mode = GPIO_OUT, \
84  .flags = SAUL_GPIO_INIT_CLEAR, \
85  } \
86  }, \
87  { \
88  .dev = 0, \
89  .gpio = { \
90  .name = "P01 Input", \
91  .pin = PCF857X_GPIO_PIN(0, 1), \
92  .mode = GPIO_IN, \
93  .flags = 0, \
94  } \
95  },
96 #endif
102 static const pcf857x_params_t pcf857x_params[] =
103 {
104  PCF857X_PARAMS
105 };
106 
107 #if IS_USED(MODULE_SAUL_GPIO) || DOXYGEN
111 static const pcf857x_saul_gpio_params_t pcf857x_saul_gpio_params[] =
112 {
113  PCF857X_SAUL_GPIO_PARAMS
114 };
115 #endif /* MODULE_SAUL_GPIO || DOXYGEN */
116 
117 #ifdef __cplusplus
118 }
119 #endif
120 
PCF857X_PARAMS
#define PCF857X_PARAMS
Default configuration parameter set.
Definition: pcf857x_params.h:61
PCF857X_SAUL_GPIO_PARAMS
#define PCF857X_SAUL_GPIO_PARAMS
Example for mapping expander pins to SAUL.
Definition: pcf857x_params.h:78
pcf857x_params
static const pcf857x_params_t pcf857x_params[]
Allocate some memory to store the actual configuration.
Definition: pcf857x_params.h:102
pcf857x_saul_gpio_params
static const pcf857x_saul_gpio_params_t pcf857x_saul_gpio_params[]
Additional meta information to keep in the SAUL registry.
Definition: pcf857x_params.h:111
periph.h
Parameter definitions for mapping peripherals directly to SAUL.
saul_reg.h
SAUL registry interface definition.
pcf857x_params_t
PCF857X device initialization parameters.
Definition: pcf857x.h:369
pcf857x_saul_gpio_params_t
PCF857X configuration structure for mapping expander pins to SAUL.
Definition: pcf857x.h:442