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CC2541: Help on CC2541 with UART communications

Part Number: CC2541
Other Parts Discussed in Thread: CC2540

Hi to all,

I'm working on a project which employs TI CC2541 and UART communication. I found an UART example code at http://processors.wiki.ti.com/index.php/SimpleBLEPeripheral_SerialInterface.

I have interfaced CC2541 with micrcontroller using UART ,I am using NPI_ReadTransport to read data send from microcontroller to cc2541 and data is received successfully,but when i send response from cc2541 using

NPI_WriteTransport data is not being received at microcontroller's end.Any help is appreciated.

here are my UART configurations.

INT_HEAP_LEN=3072
HALNODEBUG
OSAL_CBTIMER_NUM_TASKS=1
HAL_AES_DMA=TRUE
HAL_DMA=TRUE
POWER_SAVING
xPLUS_BROADCASTER
HAL_LCD=FALSE
HAL_LED=FALSE
SERIAL_INTERFACE
HAL_UART=TRUE
HAL_UART_DMA=1
HAL_UART_ISR=0
HAL_KEY=FALSE
CC2540_MINIDK
NPI_UART_FC=FALSE

Regards 

shafi.