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RTOS/TM4C1294NCPDT: Reading character directly from UART isr

SHIJOMON THOMAS
Intellectual 445 points
Part Number: TM4C1294NCPDT

Tool/software: TI-RTOS

Hi,

We are  using TM4C1294NCPDT and CCS  Version: 6.1.0.00104  for our development.

Our device will communicate to other device using UART. Implementation of the communication protocol requires modification in the driver level. Because we need to detect inter byte time gap in the protocol communication frame. That means we need to start a timer exactly at the point where we receives an RX interrupt. We dont want to use any library uart read functions because that will results in invalid inter byte time calculation. Here we dont want to use TI-RTOS and its libraries. We are looking for a simple example code for TM4C1294NCPDT which uses CMSIS libraries so that  we can manipulate the UART isr according to our need. We are not able find any example which is not using the TI-RTOS in CCS TI Resource Explorer. 

Please help to find any solution which is simple and not using XDCTools.

Thanks,

Shijo Thomas