4.9 Using Peripherals

Peripheral drivers are part of the TI-RTOS installation. The CC26x0 and CC13x0 implementation is at the following path: C:\ti\tirtos_cc13xx_cc26xx_#_##_##_##\products\tidrivers_cc13xx_cc26xx_#_##_##_##\packages\ti\drivers

For generic peripherals such as UART, SPI, and I²C, TI-RTOS provides a common API for easy migration between different TI architectures.

The CC26x0 and CC13x0 specific drivers are documented in Doxygen format. This format explains how to use the drivers. The CC26x0 power-management document is distributed in the TI-RTOS installation. TI-RTOS Power Management User's Guide also explains how the TI-RTOS drivers interact with the power management part of the kernel.

The following rules apply when using any peripheral:

• Only use a peripheral in active or idle power modes. In standby and shutdown, you must turn off the peripheral and its power domain.
• Before accessing a peripheral, do the following:
  1. Turn on the power domain that contains the peripheral.
  2. Enable the run clock for the peripheral through the PRCM registers.
• Reconfigure a peripheral before opening the input and output latches when exiting standby to avoid input and output glitches.