alex/esp-idf
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2 Commits

Author SHA1 Message Date
Sudeep Mohanty
07a506bb02 ulp-riscv-i2c: Updated API documentation about sub register address usage 
The RTC I2C peripheral always expects a I2C slave sub register address
to be programmed. If it is not programmed then a sub register address
available in SENS_SAR_I2C_CTRL_REG[18:11] is used for I2C read/write.
This commit updates the documentation of the API
ulp_riscv_i2c_master_set_slave_reg_addr() to clarify the same.
 2022-12-29 09:58:24 +01:00
Sudeep Mohanty
4fde033a5f ulp: Added support for RTC I2C driver for ULP RISC-V on esp32s2 and esp32s3 
This commit adds support for using the RTC I2C peripheral on the ULP
RISC-V core for esp32s2 and esp32s3. It also adds an example to demonstrate the
usage of the RTC I2C peripheral.

This commit also modifies the rtc_i2c register structure files to enable
the use of bitfields in the ULP RISC-V RTC I2C driver.
 2022-09-05 10:21:43 +02:00