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-rw-r--r--platforms/avr/drivers/i2c_master.h41
-rw-r--r--platforms/chibios/drivers/i2c_master.c43
-rw-r--r--platforms/chibios/drivers/i2c_master.h42
3 files changed, 21 insertions, 105 deletions
diff --git a/platforms/avr/drivers/i2c_master.h b/platforms/avr/drivers/i2c_master.h
deleted file mode 100644
index ad92caa55a..0000000000
--- a/platforms/avr/drivers/i2c_master.h
+++ /dev/null
@@ -1,41 +0,0 @@
1/* Copyright (C) 2019 Elia Ritterbusch
2 +
3 * This program is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, either version 3 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <https://www.gnu.org/licenses/>.
15 */
16/* Library made by: g4lvanix
17 * GitHub repository: https://github.com/g4lvanix/I2C-master-lib
18 */
19
20#pragma once
21
22#include <stdint.h>
23
24typedef int16_t i2c_status_t;
25
26#define I2C_STATUS_SUCCESS (0)
27#define I2C_STATUS_ERROR (-1)
28#define I2C_STATUS_TIMEOUT (-2)
29
30#define I2C_TIMEOUT_IMMEDIATE (0)
31#define I2C_TIMEOUT_INFINITE (0xFFFF)
32
33void i2c_init(void);
34i2c_status_t i2c_transmit(uint8_t address, const uint8_t* data, uint16_t length, uint16_t timeout);
35i2c_status_t i2c_transmit_P(uint8_t address, const uint8_t* data, uint16_t length, uint16_t timeout);
36i2c_status_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout);
37i2c_status_t i2c_write_register(uint8_t devaddr, uint8_t regaddr, const uint8_t* data, uint16_t length, uint16_t timeout);
38i2c_status_t i2c_write_register16(uint8_t devaddr, uint16_t regaddr, const uint8_t* data, uint16_t length, uint16_t timeout);
39i2c_status_t i2c_read_register(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout);
40i2c_status_t i2c_read_register16(uint8_t devaddr, uint16_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout);
41i2c_status_t i2c_ping_address(uint8_t address, uint16_t timeout);
diff --git a/platforms/chibios/drivers/i2c_master.c b/platforms/chibios/drivers/i2c_master.c
index 0d5fb1e985..1d7fe27633 100644
--- a/platforms/chibios/drivers/i2c_master.c
+++ b/platforms/chibios/drivers/i2c_master.c
@@ -29,17 +29,37 @@
29#include "i2c_master.h" 29#include "i2c_master.h"
30#include "gpio.h" 30#include "gpio.h"
31#include "chibios_config.h" 31#include "chibios_config.h"
32#include <string.h>
33#include <ch.h> 32#include <ch.h>
34#include <hal.h> 33#include <hal.h>
35 34
35#ifndef I2C_DRIVER
36# define I2C_DRIVER I2CD1
37#endif
38
36#ifndef I2C1_SCL_PIN 39#ifndef I2C1_SCL_PIN
37# define I2C1_SCL_PIN B6 40# define I2C1_SCL_PIN B6
38#endif 41#endif
42
43#ifndef I2C1_SCL_PAL_MODE
44# ifdef USE_GPIOV1
45# define I2C1_SCL_PAL_MODE PAL_MODE_ALTERNATE_OPENDRAIN
46# else
47# define I2C1_SCL_PAL_MODE 4
48# endif
49#endif
50
39#ifndef I2C1_SDA_PIN 51#ifndef I2C1_SDA_PIN
40# define I2C1_SDA_PIN B7 52# define I2C1_SDA_PIN B7
41#endif 53#endif
42 54
55#ifndef I2C1_SDA_PAL_MODE
56# ifdef USE_GPIOV1
57# define I2C1_SDA_PAL_MODE PAL_MODE_ALTERNATE_OPENDRAIN
58# else
59# define I2C1_SDA_PAL_MODE 4
60# endif
61#endif
62
43#ifdef USE_I2CV1 63#ifdef USE_I2CV1
44# ifndef I2C1_OPMODE 64# ifndef I2C1_OPMODE
45# define I2C1_OPMODE OPMODE_I2C 65# define I2C1_OPMODE OPMODE_I2C
@@ -70,27 +90,6 @@
70# endif 90# endif
71#endif 91#endif
72 92
73#ifndef I2C_DRIVER
74# define I2C_DRIVER I2CD1
75#endif
76
77#ifdef USE_GPIOV1
78# ifndef I2C1_SCL_PAL_MODE
79# define I2C1_SCL_PAL_MODE PAL_MODE_ALTERNATE_OPENDRAIN
80# endif
81# ifndef I2C1_SDA_PAL_MODE
82# define I2C1_SDA_PAL_MODE PAL_MODE_ALTERNATE_OPENDRAIN
83# endif
84#else
85// The default PAL alternate modes are used to signal that the pins are used for I2C
86# ifndef I2C1_SCL_PAL_MODE
87# define I2C1_SCL_PAL_MODE 4
88# endif
89# ifndef I2C1_SDA_PAL_MODE
90# define I2C1_SDA_PAL_MODE 4
91# endif
92#endif
93
94static const I2CConfig i2cconfig = { 93static const I2CConfig i2cconfig = {
95#if defined(USE_I2CV1_CONTRIB) 94#if defined(USE_I2CV1_CONTRIB)
96 I2C1_CLOCK_SPEED, 95 I2C1_CLOCK_SPEED,
diff --git a/platforms/chibios/drivers/i2c_master.h b/platforms/chibios/drivers/i2c_master.h
deleted file mode 100644
index 2215f89ad2..0000000000
--- a/platforms/chibios/drivers/i2c_master.h
+++ /dev/null
@@ -1,42 +0,0 @@
1/* Copyright 2018 Jack Humbert
2 * Copyright 2018 Yiancar
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18/* This library follows the convention of the AVR i2c_master library.
19 * As a result addresses are expected to be already shifted (addr << 1).
20 * I2CD1 is the default driver which corresponds to pins B6 and B7. This
21 * can be changed.
22 * Please ensure that HAL_USE_I2C is TRUE in the halconf.h file and that
23 * STM32_I2C_USE_I2C1 is TRUE in the mcuconf.h file.
24 */
25#pragma once
26
27#include <stdint.h>
28
29typedef int16_t i2c_status_t;
30
31#define I2C_STATUS_SUCCESS (0)
32#define I2C_STATUS_ERROR (-1)
33#define I2C_STATUS_TIMEOUT (-2)
34
35void i2c_init(void);
36i2c_status_t i2c_transmit(uint8_t address, const uint8_t* data, uint16_t length, uint16_t timeout);
37i2c_status_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout);
38i2c_status_t i2c_write_register(uint8_t devaddr, uint8_t regaddr, const uint8_t* data, uint16_t length, uint16_t timeout);
39i2c_status_t i2c_write_register16(uint8_t devaddr, uint16_t regaddr, const uint8_t* data, uint16_t length, uint16_t timeout);
40i2c_status_t i2c_read_register(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout);
41i2c_status_t i2c_read_register16(uint8_t devaddr, uint16_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout);
42i2c_status_t i2c_ping_address(uint8_t address, uint16_t timeout);
generated by cgit v1.2.3 (git 2.25.1) at 2026-09-03 05:48:26 +0000