/drivers/TLC5947/v1/alld_TLC5947.h - Annotate - AMiRo-OS - Research for Cognitive Interaction

amiro-lld / drivers / TLC5947 / v1 / alld_TLC5947.h @ 1304b12b

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1	d6728c5b	Thomas Schöpping	/*
2			AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform.
3	f125ae07	Thomas Schöpping	Copyright (C) 2016..2019 Thomas Schöpping et al.
4	d6728c5b	Thomas Schöpping
5			This program is free software: you can redistribute it and/or modify
6	f0ca400f	Thomas Schöpping	it under the terms of the GNU Lesser General Public License as published by
7	d6728c5b	Thomas Schöpping	the Free Software Foundation, either version 3 of the License, or
8			(at your option) any later version.
9
10			This program is distributed in the hope that it will be useful,
11			but WITHOUT ANY WARRANTY; without even the implied warranty of
12			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13	f0ca400f	Thomas Schöpping	GNU Lesser General Public License for more details.
14	d6728c5b	Thomas Schöpping
15	f0ca400f	Thomas Schöpping	You should have received a copy of the GNU Lesser General Public License
16	d6728c5b	Thomas Schöpping	along with this program. If not, see <http://www.gnu.org/licenses/>.
17			*/
18
19	5e2f673b	Marc Rothmann	/**
20	9466e34d	Thomas Schöpping	* @file alld_TLC5947.h
21	5e2f673b	Marc Rothmann	* @brief LED Driver macros and structures.
22			*
23			* @addtogroup lld_leddriver
24			* @{
25			*/
26
27	9466e34d	Thomas Schöpping	#ifndef AMIROLLD_TLC5947_H
28			#define AMIROLLD_TLC5947_H
29	d6728c5b	Thomas Schöpping
30			#include <amiro-lld.h>
31
32	ef078306	Thomas Schöpping	/******************************************************************************/
33			/* CONSTANTS */
34			/******************************************************************************/
35
36	d6728c5b	Thomas Schöpping	/**
37	5d0950c9	Thomas Schöpping	* @brief Number of chained TLC5947 devices.
38			*/
39			#if !defined(TLC5947_LLD_CHAINED) \|\| defined(__DOXYGEN__)
40			#define TLC5947_LLD_CHAINED 1
41			#endif
42
43			/**
44	d6728c5b	Thomas Schöpping	* @brief Active state of the BLANK signal.
45			*/
46			#define TLC5947_LLD_BLANK_ACTIVE_STATE APAL_GPIO_ACTIVE_HIGH
47
48			/**
49	bbeeceaf	Thomas Schöpping	* @brief Signal edge of the XLAT signal, which causes the SPI registers to be latched to the output.
50	d6728c5b	Thomas Schöpping	*/
51	bbeeceaf	Thomas Schöpping	#define TLC5947_LLD_XLAT_UPDATE_EDGE APAL_GPIO_EDGE_RISING
52	d6728c5b	Thomas Schöpping
53			/**
54			* @brief Number of PWM channels.
55			*/
56	5d0950c9	Thomas Schöpping	#define TLC5947_LLD_NUM_CHANNELS (TLC5947_LLD_CHAINED * 24)
57	d6728c5b	Thomas Schöpping
58			/**
59			* @brief Resulotion of the PWM channels in bits.
60			*/
61			#define TLC5947_LLD_PWM_RESOLUTION_BITS 12
62
63			/**
64			* @brief Size of the TLC grayscale buffer in bytes.
65			*/
66			#define TLC5947_LLD_BUFFER_SIZE (TLC5947_LLD_NUM_CHANNELS * TLC5947_LLD_PWM_RESOLUTION_BITS / 8)
67
68	ef078306	Thomas Schöpping	/******************************************************************************/
69			/* SETTINGS */
70			/******************************************************************************/
71
72			/******************************************************************************/
73			/* CHECKS */
74			/******************************************************************************/
75
76			/******************************************************************************/
77			/* DATA STRUCTURES AND TYPES */
78			/******************************************************************************/
79
80	d6728c5b	Thomas Schöpping	/**
81			* @brief The TLC5947Driver struct
82			*/
83			typedef struct {
84	cf1f756b	Thomas Schöpping	apalSPIDriver_t* spi_driver; /*< @brief The SPI Driver. /
85	bbeeceaf	Thomas Schöpping	const apalControlGpio_t* blank_gpio; /*< @brief The identifier of the BLANK signal GPIO (may be @p NULL). /
86			const apalControlGpio_t* xlat_gpio; /*< @brief The identifier of the XLAT signal GPIO (may be @p NULL). /
87	d6728c5b	Thomas Schöpping	} TLC5947Driver;
88
89			/**
90			* @brief The blank state of the TLC5947 driver.
91			*/
92			typedef enum {
93			TLC5947_LLD_BLANK_ENABLE = 0, /*< 'blank on' state of the TLC5947 driver. /
94			TLC5947_LLD_BLANK_DISABLE = 1, /*< 'blank off' state of the TLC5947 driver. /
95			} tlc5947_lld_blank_t;
96
97
98			/**
99			* @brief TLC5947 buffer struct.
100			*/
101			typedef struct {
102			uint8_t data[TLC5947_LLD_BUFFER_SIZE]; /*< The raw buffer data. /
103			} tlc5947_lld_buffer_t;
104
105	ef078306	Thomas Schöpping	/******************************************************************************/
106			/* MACROS */
107			/******************************************************************************/
108
109			/******************************************************************************/
110			/* EXTERN DECLARATIONS */
111			/******************************************************************************/
112
113	d6728c5b	Thomas Schöpping	#ifdef __cplusplus
114			extern "C" {
115			#endif
116			apalExitStatus_t tlc5947_lld_setBlank(const TLC5947Driver* const tlc5947, const tlc5947_lld_blank_t blank);
117			apalExitStatus_t tlc5947_lld_getBlank(const TLC5947Driver* const tlc5947, tlc5947_lld_blank_t* const blank);
118			apalExitStatus_t tlc5947_lld_update(const TLC5947Driver* const tlc5947);
119			apalExitStatus_t tlc5947_lld_write(const TLC5947Driver* const tlc5947, const tlc5947_lld_buffer_t* const buffer);
120			void tlc5947_lld_setBuffer(tlc5947_lld_buffer_t* const buffer, const uint8_t channel, const uint16_t value);
121			uint16_t tlc5947_lld_getBuffer(const tlc5947_lld_buffer_t* const buffer, const uint8_t channel);
122			#ifdef __cplusplus
123			}
124			#endif
125
126	ef078306	Thomas Schöpping	/******************************************************************************/
127			/* INLINE FUNCTIONS */
128			/******************************************************************************/
129
130	9466e34d	Thomas Schöpping	#endif /* AMIROLLD_TLC5947_H */
131	5e2f673b	Marc Rothmann
132			/** @} */