Merge pull request #4631 from rtthread-bot/rtt_bot
[update] RT-Thread Robot automatic submission
This commit is contained in:
commit
75e13c6866
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@ -6,6 +6,7 @@
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* Change Logs:
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* Date Author Notes
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* 2012-04-25 weety first version
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* 2021-04-20 RiceChen added support for bus control api
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*/
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#include <rtdevice.h>
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@ -81,6 +82,26 @@ rt_size_t rt_i2c_transfer(struct rt_i2c_bus_device *bus,
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}
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}
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rt_err_t rt_i2c_control(struct rt_i2c_bus_device *bus,
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rt_uint32_t cmd,
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rt_uint32_t arg)
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{
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rt_err_t ret;
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if(bus->ops->i2c_bus_control)
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{
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ret = bus->ops->i2c_bus_control(bus, cmd, arg);
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return ret;
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}
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else
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{
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LOG_E("I2C bus operation not supported");
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return 0;
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}
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}
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rt_size_t rt_i2c_master_send(struct rt_i2c_bus_device *bus,
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rt_uint16_t addr,
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rt_uint16_t flags,
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@ -7,6 +7,7 @@
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* Date Author Notes
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* 2012-04-25 weety first version
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* 2014-08-03 bernard fix some compiling warning
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* 2021-04-20 RiceChen added support for bus clock control
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*/
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#include <rtdevice.h>
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@ -66,6 +67,7 @@ static rt_err_t i2c_bus_device_control(rt_device_t dev,
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rt_err_t ret;
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struct rt_i2c_priv_data *priv_data;
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struct rt_i2c_bus_device *bus = (struct rt_i2c_bus_device *)dev->user_data;
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rt_uint32_t bus_clock;
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RT_ASSERT(bus != RT_NULL);
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@ -89,6 +91,14 @@ static rt_err_t i2c_bus_device_control(rt_device_t dev,
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return -RT_EIO;
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}
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break;
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case RT_I2C_DEV_CTRL_CLK:
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bus_clock = *(rt_uint32_t *)args;
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ret = rt_i2c_control(bus, cmd, bus_clock);
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if (ret < 0)
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{
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return -RT_EIO;
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}
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break;
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default:
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break;
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}
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@ -6,6 +6,7 @@
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* Change Logs:
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* Date Author Notes
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* 2012-04-25 weety first version
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* 2021-04-20 RiceChen added support for bus control api
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*/
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#ifndef __I2C_H__
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@ -74,6 +75,9 @@ struct rt_i2c_bus_device *rt_i2c_bus_device_find(const char *bus_name);
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rt_size_t rt_i2c_transfer(struct rt_i2c_bus_device *bus,
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struct rt_i2c_msg msgs[],
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rt_uint32_t num);
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rt_err_t rt_i2c_control(struct rt_i2c_bus_device *bus,
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rt_uint32_t cmd,
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rt_uint32_t arg);
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rt_size_t rt_i2c_master_send(struct rt_i2c_bus_device *bus,
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rt_uint16_t addr,
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rt_uint16_t flags,
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@ -6,6 +6,7 @@
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* Change Logs:
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* Date Author Notes
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* 2012-04-25 weety first version
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* 2021-04-20 RiceChen added bus clock command
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*/
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#ifndef __I2C_DEV_H__
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@ -21,6 +22,7 @@ extern "C" {
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#define RT_I2C_DEV_CTRL_ADDR 0x21
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#define RT_I2C_DEV_CTRL_TIMEOUT 0x22
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#define RT_I2C_DEV_CTRL_RW 0x23
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#define RT_I2C_DEV_CTRL_CLK 0x24
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struct rt_i2c_priv_data
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{
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