diff options
| author | bernard <[email protected]> | 2021-04-21 08:52:05 +0800 |
|---|---|---|
| committer | Gitee <[email protected]> | 2021-04-21 08:52:05 +0800 |
| commit | ce14c4aae0addead901a2367f128e03f656ea5c7 (patch) | |
| tree | 7852d940e03b181ba90275c84eccbbf0abee4726 /components/drivers/include | |
| parent | d3be5e4fcf64a34b992b22272c98f44d9d0aa8c4 (diff) | |
| parent | 0b9e01ccedc21a44fc87a7524b8eb17debb53315 (diff) | |
!186 add I2C bus control api
Merge pull request !186 from Rice_Chen/gitee_master
Diffstat (limited to 'components/drivers/include')
| -rw-r--r-- | components/drivers/include/drivers/i2c.h | 4 | ||||
| -rw-r--r-- | components/drivers/include/drivers/i2c_dev.h | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/components/drivers/include/drivers/i2c.h b/components/drivers/include/drivers/i2c.h index 50ce021d53..7bf99d26cc 100644 --- a/components/drivers/include/drivers/i2c.h +++ b/components/drivers/include/drivers/i2c.h @@ -6,6 +6,7 @@ * Change Logs: * Date Author Notes * 2012-04-25 weety first version + * 2021-04-20 RiceChen added support for bus control api */ #ifndef __I2C_H__ @@ -74,6 +75,9 @@ struct rt_i2c_bus_device *rt_i2c_bus_device_find(const char *bus_name); rt_size_t rt_i2c_transfer(struct rt_i2c_bus_device *bus, struct rt_i2c_msg msgs[], rt_uint32_t num); +rt_err_t rt_i2c_control(struct rt_i2c_bus_device *bus, + rt_uint32_t cmd, + rt_uint32_t arg); rt_size_t rt_i2c_master_send(struct rt_i2c_bus_device *bus, rt_uint16_t addr, rt_uint16_t flags, diff --git a/components/drivers/include/drivers/i2c_dev.h b/components/drivers/include/drivers/i2c_dev.h index 94f110c055..080ff26f87 100644 --- a/components/drivers/include/drivers/i2c_dev.h +++ b/components/drivers/include/drivers/i2c_dev.h @@ -6,6 +6,7 @@ * Change Logs: * Date Author Notes * 2012-04-25 weety first version + * 2021-04-20 RiceChen added bus clock command */ #ifndef __I2C_DEV_H__ @@ -21,6 +22,7 @@ extern "C" { #define RT_I2C_DEV_CTRL_ADDR 0x21 #define RT_I2C_DEV_CTRL_TIMEOUT 0x22 #define RT_I2C_DEV_CTRL_RW 0x23 +#define RT_I2C_DEV_CTRL_CLK 0x24 struct rt_i2c_priv_data { |