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HowToUseOtherDevice/README.md
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@ -10,9 +10,10 @@ I2C_NUM_0 --+-- I2C SSD1306
- Legacy driver
We only need to run this code once.
There is no need to memorize any data.
DS3231 and SSD1306 use the same frequency.
We only need to run this code once.
There is no need to memorize any data.
SSD1306 and other device use the same frequency.
Please note that the maximum i2c clock frequency of SSD1306 is 400KHz.
```
i2c_config_t i2c_config = {
.mode = I2C_MODE_MASTER,
@ -29,9 +30,9 @@ DS3231 and SSD1306 use the same frequency.
- New i2c driver
We need to run this code on the first device.
**We need to record bus_handle somewhere.**
But In different libraries, there is no place to record bus_handle.
We need to run this code on the first i2c device.
**We need to record bus_handle somewhere.**
But In different libraries, there is no place to record bus_handle.
```
i2c_master_bus_config_t i2c_mst_config = {
.clk_source = I2C_CLK_SRC_DEFAULT,
@ -55,9 +56,9 @@ But In different libraries, there is no place to record bus_handle.
// We need to record bus_handle somewhere.
```
We need to run this code on the second device.
**We need to load bus_handle from somewhere.**
DS3231 and SSD1306 can use different frequencies.
We need to run this code on the second device.
**We need to load bus_handle from somewhere.**
SSD1306 ans other device can use different frequencies.
```
// We need to load bus_handle from somewhere.
@ -75,14 +76,14 @@ DS3231 and SSD1306 can use different frequencies.
## Case 2
Use multiple i2c devices on two i2c bus.
This is the only way to use different I2C libraries at the same time using the new i2c driver.
ESP32C series has only one i2c bus.
This is not available on the ESP32C series.
Can only be used with XTENSA.
```
I2C_NUM_0 ----- I2C SSD1306
I2C_NUM_1 ----- Any I2C Device
```
This is the only way to use different I2C device library at the same time using the new i2c driver.
ESP32C series has only one i2c bus.
This is not available on the ESP32C series.
Can only be used with XTENSA series.