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[bsp/gd32] update gd32 i2c driver #10641
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Browse Source
This commit is contained in:
WangShun
2025-08-28 18:16:37 +08:00
committed by GitHub
parent f9089aa4ab
commit 6a9d218e92
12 changed files with 992 additions and 1221 deletions
Download Patch File Download Diff File Expand all files Collapse all files
bsp/gd32/arm/gd32h759i-eval/.config
+2 -3
View File
@@ -104,11 +104,9 @@
#
# CONFIG_RT_KLIBC_USING_USER_STRNLEN is not set
# end of rt_strnlen options
# CONFIG_RT_UTEST_TC_USING_KLIBC is not set
# end of klibc options
CONFIG_RT_NAME_MAX=8
CONFIG_RT_NAME_MAX=16
# CONFIG_RT_USING_ARCH_DATA_TYPE is not set
# CONFIG_RT_USING_NANO is not set
# CONFIG_RT_USING_SMART is not set
@@ -1443,6 +1441,7 @@ CONFIG_BSP_USING_UART0=y
# CONFIG_BSP_USING_UART1 is not set
# CONFIG_BSP_USING_UART2 is not set
# CONFIG_BSP_USING_UART3 is not set
# CONFIG_BSP_USING_I2C is not set
# end of On-chip Peripheral Drivers
#
bsp/gd32/arm/gd32h759i-eval/board/Kconfig
+30 -1
View File
@@ -69,8 +69,37 @@ menu "On-chip Peripheral Drivers"
endif
source "$(BSP_DIR)/../libraries/gd32_drivers/Kconfig"
menuconfig BSP_USING_I2C
bool "Enable I2C"
default n
if BSP_USING_I2C
menuconfig BSP_USING_HARD_I2C
bool "Enable Hardware I2C"
default n
select RT_USING_I2C
if BSP_USING_HARD_I2C
config BSP_USING_HARD_I2C0
bool "Enable I2C0 Hardware BUS"
default n
config BSP_USING_HARD_I2C1
bool "Enable I2C1 Hardware BUS"
default n
config BSP_USING_HARD_I2C2
bool "Enable I2C2 Hardware BUS"
default n
config BSP_USING_HARD_I2C3
bool "Enable I2C3 Hardware BUS"
default n
config BSP_USING_HARD_I2C4
bool "Enable I2C4 Hardware BUS"
default n
config BSP_USING_HARD_I2C5
bool "Enable I2C5 Hardware BUS"
default n
endif
endif
source "$(BSP_DIR)/../libraries/gd32_drivers/Kconfig"
endmenu
menu "Board extended module Drivers"
bsp/gd32/arm/gd32h759i-eval/project.uvoptx
+247 -228
View File
File diff suppressed because it is too large Load Diff
bsp/gd32/arm/gd32h759i-eval/project.uvprojx
+99 -28
View File
@@ -138,7 +138,7 @@
</Flash1>
<bUseTDR>1</bUseTDR>
<Flash2>BIN\UL2CM3.DLL</Flash2>
<Flash3>"" ()</Flash3>
<Flash3></Flash3>
<Flash4></Flash4>
<pFcarmOut></pFcarmOut>
<pFcarmGrp></pFcarmGrp>
@@ -338,9 +338,9 @@
<v6Rtti>0</v6Rtti>
<VariousControls>
<MiscControls></MiscControls>
<Define>GD32H7XX, RT_USING_ARMLIBC, USE_STDPERIPH_DRIVER, __CLK_TCK=RT_TICK_PER_SECOND, RT_USING_LIBC, __STDC_LIMIT_MACROS, __RTTHREAD__</Define>
<Define>GD32H7XX, RT_USING_ARMLIBC, __CLK_TCK=RT_TICK_PER_SECOND, __RTTHREAD__, __STDC_LIMIT_MACROS, RT_USING_LIBC, USE_STDPERIPH_DRIVER</Define>
<Undefine></Undefine>
<IncludePath>packages\gd32-arm-cmsis-latest\GD32H7xx\GD\GD32H7xx\Include;..\..\..\..\libcpu\arm\cortex-m7;..\..\..\..\libcpu\arm\common;..\..\..\..\components\drivers\include;..\..\..\..\components\libc\compilers\common\extension;.;..\..\..\..\components\libc\compilers\common\include;..\..\..\..\components\drivers\smp_call;packages\gd32-arm-cmsis-latest\GD32H7xx;..\..\..\..\components\drivers\include;..\..\..\..\components\finsh;..\..\..\..\components\dfs\dfs_v1\include;..\..\..\..\components\drivers\include;..\..\..\..\components\drivers\phy;..\..\..\..\include;..\..\..\..\components\dfs\dfs_v1\filesystems\devfs;board;..\libraries\gd32_drivers;..\..\..\..\components\libc\posix\io\eventfd;..\..\..\..\components\libc\posix\ipc;..\..\..\..\components\drivers\include;..\..\..\..\components\drivers\include;applications;..\..\..\..\components\libc\posix\io\poll;packages\gd32-arm-series-latest\GD32H7xx\GD32H7xx_standard_peripheral\Include;..\..\..\..\components\libc\compilers\common\extension\fcntl\octal;..\..\..\..\components\libc\posix\io\epoll;..\..\..\..\components\drivers\include</IncludePath>
<IncludePath>..\..\..\..\components\drivers\include;..\..\..\..\libcpu\arm\cortex-m7;packages\gd32-arm-cmsis-latest\GD32H7xx;packages\gd32-arm-cmsis-latest\GD32H7xx\GD\GD32H7xx\Include;..\..\..\..\components\drivers\include;..\..\..\..\components\libc\compilers\common\extension;..\..\..\..\components\finsh;..\..\..\..\components\drivers\smp_call;..\..\..\..\components\libc\posix\io\poll;..\..\..\..\components\libc\posix\io\epoll;..\..\..\..\components\libc\compilers\common\include;..\..\..\..\libcpu\arm\common;..\..\..\..\components\libc\posix\ipc;applications;..\..\..\..\components\libc\posix\io\eventfd;..\..\..\..\components\drivers\include;packages\at24cxx-latest;..\libraries\gd32_drivers;.;..\..\..\..\components\drivers\phy;..\..\..\..\components\drivers\include;board;..\..\..\..\components\drivers\include;..\..\..\..\components\libc\compilers\common\extension\fcntl\octal;..\..\..\..\components\drivers\include;..\..\..\..\components\dfs\dfs_v1\include;..\..\..\..\components\dfs\dfs_v1\filesystems\devfs;..\..\..\..\include;packages\gd32-arm-series-latest\GD32H7xx\GD32H7xx_standard_peripheral\Include</IncludePath>
</VariousControls>
</Cads>
<Aads>
@@ -391,6 +391,16 @@
</File>
</Files>
</Group>
<Group>
<GroupName>at24cxx</GroupName>
<Files>
<File>
<FileName>at24cxx.c</FileName>
<FileType>1</FileType>
<FilePath>packages\at24cxx-latest\at24cxx.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>Compiler</GroupName>
<Files>
@@ -663,6 +673,62 @@
</FileArmAds>
</FileOption>
</File>
<File>
<FileName>dev_soft_i2c.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\drivers\i2c\dev_soft_i2c.c</FilePath>
<FileOption>
<CommonProperty>
<UseCPPCompiler>2</UseCPPCompiler>
<RVCTCodeConst>0</RVCTCodeConst>
<RVCTZI>0</RVCTZI>
<RVCTOtherData>0</RVCTOtherData>
<ModuleSelection>0</ModuleSelection>
<IncludeInBuild>1</IncludeInBuild>
<AlwaysBuild>0</AlwaysBuild>
<GenerateAssemblyFile>0</GenerateAssemblyFile>
<AssembleAssemblyFile>0</AssembleAssemblyFile>
<PublicsOnly>0</PublicsOnly>
<StopOnExitCode>3</StopOnExitCode>
<CustomArgument></CustomArgument>
<IncludeLibraryModules></IncludeLibraryModules>
<ComprImg>1</ComprImg>
</CommonProperty>
<FileArmAds>
<Cads>
<interw>2</interw>
<Optim>0</Optim>
<oTime>2</oTime>
<SplitLS>2</SplitLS>
<OneElfS>2</OneElfS>
<Strict>2</Strict>
<EnumInt>2</EnumInt>
<PlainCh>2</PlainCh>
<Ropi>2</Ropi>
<Rwpi>2</Rwpi>
<wLevel>0</wLevel>
<uThumb>2</uThumb>
<uSurpInc>2</uSurpInc>
<uC99>2</uC99>
<uGnu>2</uGnu>
<useXO>2</useXO>
<v6Lang>0</v6Lang>
<v6LangP>0</v6LangP>
<vShortEn>2</vShortEn>
<vShortWch>2</vShortWch>
<v6Lto>2</v6Lto>
<v6WtE>2</v6WtE>
<v6Rtti>2</v6Rtti>
<VariousControls>
<MiscControls> </MiscControls>
<Define>__RT_IPC_SOURCE__</Define>
<Undefine> </Undefine>
<IncludePath></IncludePath>
</VariousControls>
</Cads>
</FileArmAds>
</FileOption>
</File>
<File>
<FileName>completion_comm.c</FileName>
<FileType>1</FileType>
@@ -1589,6 +1655,16 @@
<Group>
<GroupName>Finsh</GroupName>
<Files>
<File>
<FileName>msh_file.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\finsh\msh_file.c</FilePath>
</File>
<File>
<FileName>shell.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\finsh\shell.c</FilePath>
</File>
<File>
<FileName>cmd.c</FileName>
<FileType>1</FileType>
@@ -1599,16 +1675,6 @@
<FileType>1</FileType>
<FilePath>..\..\..\..\components\finsh\msh_parse.c</FilePath>
</File>
<File>
<FileName>shell.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\finsh\shell.c</FilePath>
</File>
<File>
<FileName>msh_file.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\components\finsh\msh_file.c</FilePath>
</File>
<File>
<FileName>msh.c</FileName>
<FileType>1</FileType>
@@ -2464,21 +2530,6 @@
<Group>
<GroupName>klibc</GroupName>
<Files>
<File>
<FileName>kstdio.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\src\klibc\kstdio.c</FilePath>
</File>
<File>
<FileName>rt_vsscanf.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\src\klibc\rt_vsscanf.c</FilePath>
</File>
<File>
<FileName>rt_vsnprintf_tiny.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\src\klibc\rt_vsnprintf_tiny.c</FilePath>
</File>
<File>
<FileName>kerrno.c</FileName>
<FileType>1</FileType>
@@ -2489,6 +2540,21 @@
<FileType>1</FileType>
<FilePath>..\..\..\..\src\klibc\kstring.c</FilePath>
</File>
<File>
<FileName>kstdio.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\src\klibc\kstdio.c</FilePath>
</File>
<File>
<FileName>rt_vsnprintf_tiny.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\src\klibc\rt_vsnprintf_tiny.c</FilePath>
</File>
<File>
<FileName>rt_vsscanf.c</FileName>
<FileType>1</FileType>
<FilePath>..\..\..\..\src\klibc\rt_vsscanf.c</FilePath>
</File>
</Files>
</Group>
<Group>
@@ -2539,6 +2605,11 @@
<FileType>1</FileType>
<FilePath>packages\gd32-arm-cmsis-latest\GD32H7xx\GD\GD32H7xx\Source\system_gd32h7xx.c</FilePath>
</File>
<File>
<FileName>gd32h7xx_dma.c</FileName>
<FileType>1</FileType>
<FilePath>packages\gd32-arm-series-latest\GD32H7xx\GD32H7xx_standard_peripheral\Source\gd32h7xx_dma.c</FilePath>
</File>
<File>
<FileName>gd32h7xx_exti.c</FileName>
<FileType>1</FileType>
bsp/gd32/arm/gd32h759i-eval/rtconfig.h
+1 -1
View File
@@ -61,7 +61,7 @@
/* end of rt_strnlen options */
/* end of klibc options */
#define RT_NAME_MAX 8
#define RT_NAME_MAX 16
#define RT_CPUS_NR 1
#define RT_ALIGN_SIZE 8
#define RT_THREAD_PRIORITY_32
bsp/gd32/arm/libraries/gd32_drivers/SConscript
+2 -2
View File
@@ -26,8 +26,8 @@ if GetDepend(['RT_USING_I2C', 'RT_USING_I2C_BITOPS']):
# add i2c hard drivers.
if GetDepend(['RT_USING_I2C']):
if GetDepend('BSP_USING_HW_I2C0') or GetDepend('BSP_USING_HW_I2C1'):
src += ['drv_hw_i2c.c']
if GetDepend('BSP_USING_HARD_I2C0') or GetDepend('BSP_USING_HARD_I2C1') or GetDepend('BSP_USING_HARD_I2C2') or GetDepend('BSP_USING_HARD_I2C3') or GetDepend('BSP_USING_HARD_I2C4') or GetDepend('BSP_USING_HARD_I2C5'):
src += ['drv_hard_i2c.c']
# add spi drivers.
if GetDepend('RT_USING_SPI'):
bsp/gd32/arm/libraries/gd32_drivers/drv_hard_i2c.c
+562
View File
File diff suppressed because it is too large Load Diff
bsp/gd32/arm/libraries/gd32_drivers/drv_hard_i2c.h
+49
View File
@@ -0,0 +1,49 @@
/*
* Copyright (c) 2006-2025, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-12-20 BruceOu the first version
*/
#ifndef __DRV_I2C__
#define __DRV_I2C__
#include <rtthread.h>
#include <rthw.h>
#include <rtdevice.h>
#include <board.h>
#ifdef __cplusplus
extern "C" {
#endif
/* GD32 i2c driver */
struct gd32_i2c_bus
{
uint32_t i2c_periph; /* Todo: 3bits */
rcu_periph_enum per_clk; /* Todo: 5bits */
rcu_periph_enum scl_gpio_clk; /* Todo: 5bits */
rcu_periph_enum sda_gpio_clk; /* Todo: 5bits */
uint32_t scl_port; /* Todo: 4bits */
uint16_t scl_af; /* Todo: 4bits */
uint16_t scl_pin; /* Todo: 4bits */
uint32_t sda_port; /* Todo: 4bits */
uint16_t sda_af; /* Todo: 4bits */
uint16_t sda_pin; /* Todo: 4bits */
struct rt_i2c_bus_device *i2c_bus;
char *device_name;
};
#ifdef __cplusplus
}
#endif
#endif /* __DRV_I2C__ */
bsp/gd32/arm/libraries/gd32_drivers/drv_hw_i2c.c
-600
View File
File diff suppressed because it is too large Load Diff
bsp/gd32/arm/libraries/gd32_drivers/drv_hw_i2c.h
-68
View File
@@ -1,68 +0,0 @@
/*
* Copyright (c) 2006-2025, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
*/
#ifndef __DRV_HW_I2C_H__
#define __DRV_HW_I2C_H__
#include <rtthread.h>
#include <rthw.h>
#include <rtdevice.h>
#include <board.h>
#ifdef __cplusplus
extern "C" {
#endif
/* I2C hardware configuration */
struct gd32_i2c_config
{
rt_uint32_t i2c_periph; /* I2C peripheral base address */
rcu_periph_enum periph_clk; /* I2C peripheral clock */
rcu_periph_enum scl_clk; /* SCL pin clock */
rt_uint32_t scl_port; /* SCL pin port */
rt_uint32_t scl_pin; /* SCL pin */
rt_uint32_t scl_af; /* SCL pin alternate function */
rcu_periph_enum sda_clk; /* SDA pin clock */
rt_uint32_t sda_port; /* SDA pin port */
rt_uint32_t sda_pin; /* SDA pin */
rt_uint32_t sda_af; /* SDA pin alternate function */
IRQn_Type ev_irq_type; /* Event IRQn */
IRQn_Type er_irq_type; /* Error IRQn */
rt_uint32_t i2c_clock_hz; /* I2C clock speed in Hz, e.g., 100000 for 100kHz */
const char *device_name; /* Device name */
};
/* I2C runtime context */
struct gd32_i2c
{
struct rt_i2c_bus_device parent;
const struct gd32_i2c_config *config;
struct rt_mutex bus_mutex;
struct rt_completion sync_sem;
uint32_t dev_config;
uint16_t addr1;
uint16_t addr2;
uint32_t xfer_len;
struct rt_i2c_msg *current;
uint8_t errs;
rt_bool_t is_restart;
};
int rt_hw_i2c_init(void);
#ifdef __cplusplus
}
#endif
#endif /* __DRV_HW_I2C_H__ */
bsp/gd32/arm/libraries/gd32_drivers/drv_soft_i2c.c
-212
View File
@@ -1,212 +0,0 @@
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-12-20 BruceOu the first version
*/
#include "drv_soft_i2c.h"
#ifdef RT_USING_I2C
#define LOG_TAG "drv.i2c"
#include <rtdbg.h>
#if !defined(BSP_USING_I2C0) && !defined(BSP_USING_I2C1) && !defined(BSP_USING_I2C2) && !defined(BSP_USING_I2C3)
#error "Please define at least one BSP_USING_I2Cx"
/* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */
#endif
static const struct gd32_soft_i2c_config soft_i2c_config[] =
{
#ifdef BSP_USING_I2C0
I2C0_BUS_CONFIG,
#endif
#ifdef BSP_USING_I2C1
I2C1_BUS_CONFIG,
#endif
#ifdef BSP_USING_I2C2
I2C2_BUS_CONFIG,
#endif
#ifdef BSP_USING_I2C3
I2C3_BUS_CONFIG,
#endif
};
static struct gd32_i2c i2c_obj[sizeof(soft_i2c_config) / sizeof(soft_i2c_config[0])];
/**
* @brief This function initializes the i2c pin.
* @param i2c
* @retval None
*/
static void gd32_i2c_gpio_init(struct gd32_i2c *i2c)
{
struct gd32_soft_i2c_config* cfg = (struct gd32_soft_i2c_config*)i2c->ops.data;
rt_pin_mode(cfg->scl, PIN_MODE_OUTPUT_OD);
rt_pin_mode(cfg->sda, PIN_MODE_OUTPUT_OD);
rt_pin_write(cfg->scl, PIN_HIGH);
rt_pin_write(cfg->sda, PIN_HIGH);
}
static void gd32_i2c_pin_init(void)
{
rt_size_t obj_num = sizeof(i2c_obj) / sizeof(struct gd32_i2c);
for(rt_size_t i = 0; i < obj_num; i++)
{
gd32_i2c_gpio_init(&i2c_obj[i]);
}
}
/**
* @brief This function sets the sda pin.
* @param data, state
* @retval None
*/
static void gd32_set_sda(void *data, rt_int32_t state)
{
struct gd32_soft_i2c_config* cfg = (struct gd32_soft_i2c_config*)data;
if (state)
{
rt_pin_write(cfg->sda, PIN_HIGH);
}
else
{
rt_pin_write(cfg->sda, PIN_LOW);
}
}
/**
* @brief This function sets the scl pin.
* @param data, state
* @retval None
*/
static void gd32_set_scl(void *data, rt_int32_t state)
{
struct gd32_soft_i2c_config* cfg = (struct gd32_soft_i2c_config*)data;
if (state)
{
rt_pin_write(cfg->scl, PIN_HIGH);
}
else
{
rt_pin_write(cfg->scl, PIN_LOW);
}
}
/**
* @brief This function gets the sda pin state.
* @param data
* @retval None
*/
static rt_int32_t gd32_get_sda(void *data)
{
struct gd32_soft_i2c_config* cfg = (struct gd32_soft_i2c_config*)data;
return rt_pin_read(cfg->sda);
}
/**
* @brief This function gets the scl pin state.
* @param data
* @retval None
*/
static rt_int32_t gd32_get_scl(void *data)
{
struct gd32_soft_i2c_config* cfg = (struct gd32_soft_i2c_config*)data;
return rt_pin_read(cfg->scl);
}
/**
* @brief The time delay function.
* @param us
* @retval None
*/
static void gd32_udelay(rt_uint32_t us)
{
int i = ( rcu_clock_freq_get(CK_SYS) / 4000000 * us);
while(i)
{
i--;
}
}
static const struct rt_i2c_bit_ops gd32_bit_ops_default =
{
.data = RT_NULL,
.pin_init = gd32_i2c_pin_init,
.set_sda = gd32_set_sda,
.set_scl = gd32_set_scl,
.get_sda = gd32_get_sda,
.get_scl = gd32_get_scl,
.udelay = gd32_udelay,
.delay_us = 1,
.timeout = 100,
.i2c_pin_init_flag = RT_FALSE
};
/**
* @brief if i2c is locked, this function will unlock it
* @param cfg
* @retval RT_EOK indicates successful unlock.
*/
static rt_err_t gd32_i2c_bus_unlock(const struct gd32_soft_i2c_config *cfg)
{
rt_int32_t i = 0;
if (PIN_LOW == rt_pin_read(cfg->sda))
{
while (i++ < 9)
{
rt_pin_write(cfg->scl, PIN_HIGH);
gd32_udelay(100);
rt_pin_write(cfg->scl, PIN_LOW);
gd32_udelay(100);
}
}
if (PIN_LOW == rt_pin_read(cfg->sda))
{
return -RT_ERROR;
}
return RT_EOK;
}
/**
* @brief I2C initialization function
* @param None
* @retval RT_EOK indicates successful initialization.
*/
int rt_hw_i2c_init(void)
{
rt_size_t obj_num = sizeof(i2c_obj) / sizeof(struct gd32_i2c);
rt_err_t result;
for (rt_size_t i = 0; i < obj_num; i++)
{
i2c_obj[i].ops = gd32_bit_ops_default;
i2c_obj[i].ops.data = (void*)&soft_i2c_config[i];
i2c_obj[i].i2c_bus.priv = &i2c_obj[i].ops;
result = rt_i2c_bit_add_bus(&i2c_obj[i].i2c_bus, soft_i2c_config[i].bus_name);
RT_ASSERT(result == RT_EOK);
gd32_i2c_bus_unlock(&soft_i2c_config[i]);
LOG_D("software simulation %s init done, pin scl: %d, pin sda %d",
soft_i2c_config[i].bus_name,
soft_i2c_config[i].scl,
soft_i2c_config[i].sda);
}
return RT_EOK;
}
INIT_BOARD_EXPORT(rt_hw_i2c_init);
#endif /* RT_USING_I2C */
bsp/gd32/arm/libraries/gd32_drivers/drv_soft_i2c.h
-78
View File
@@ -1,78 +0,0 @@
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-12-20 BruceOu the first version
*/
#ifndef __DRV_I2C__
#define __DRV_I2C__
#include <rtthread.h>
#include <rthw.h>
#include <rtdevice.h>
#include <board.h>
#ifdef __cplusplus
extern "C" {
#endif
/* gd32 config class */
struct gd32_soft_i2c_config
{
rt_uint8_t scl;
rt_uint8_t sda;
const char *bus_name;
};
/* gd32 i2c dirver class */
struct gd32_i2c
{
struct rt_i2c_bit_ops ops;
struct rt_i2c_bus_device i2c_bus;
};
#ifdef BSP_USING_I2C0
#define I2C0_BUS_CONFIG \
{ \
.scl = BSP_I2C0_SCL_PIN, \
.sda = BSP_I2C0_SDA_PIN, \
.bus_name = "i2c0", \
}
#endif
#ifdef BSP_USING_I2C1
#define I2C1_BUS_CONFIG \
{ \
.scl = BSP_I2C1_SCL_PIN, \
.sda = BSP_I2C1_SDA_PIN, \
.bus_name = "i2c1", \
}
#endif
#ifdef BSP_USING_I2C2
#define I2C2_BUS_CONFIG \
{ \
.scl = BSP_I2C2_SCL_PIN, \
.sda = BSP_I2C2_SDA_PIN, \
.bus_name = "i2c2", \
}
#endif
#ifdef BSP_USING_I2C3
#define I2C3_BUS_CONFIG \
{ \
.scl = BSP_I2C3_SCL_PIN, \
.sda = BSP_I2C3_SDA_PIN, \
.bus_name = "i2c3", \
}
#endif
#ifdef __cplusplus
}
#endif
#endif /* __DRV_I2C__ */