1.12 DMAC Memory Transfer

The application uses a software trigger to initiate a memory-memory transfer from the source buffer to the destination buffer with 16-bit beat size and 32-bit beat size. Transfer status is reported on console.

To clone or download this application from Github, go to the main page of this repository and then click Clone button to clone this repository or download as zip file. This content can also be downloaded using content manager by following these instructions.

Path of the application within the repository is apps/dmac/dmac_memory_transfer/firmware.

To build the application, refer to the following table and open the project using its IDE.

The following table shows the target hardware for the application projects.

• Connect the Debug USB port (J12) on the board to the computer using a micro USB cable
• Connect the USB to UART port (J25) on the board to the computer using a micro USB cable

• Connect the Debug USB port (J1) on the board to the computer using a micro USB cable

• Connect the Debug USB port (J500) on the board to the computer using a micro USB cable
• Connect the USB to UART port (J400) on the board to the computer using a micro USB cable

• Connect the Debug USB port (J1) on the board to the computer using a micro USB cable

1. Open the Terminal application (Ex.: Tera term) on the computer
2. Connect to the “USB to UART” COM port and configure the serial settings as follows:
   • Baud : 115200
   • Data : 8 Bits
   • Parity : None
   • Stop : 1 Bit
   • Flow Control : None
3. Build and Program the application project using its IDE
4. Following message is output on console:

   

5. The LED indicates the success or failure:
   • The LED is turned ON when the DMAC memory transfer is successful
     Following table provides LED names:

     Board	LED Name
     PIC32MK GP Development Kit	LED1
     PIC32MK MCJ Curiosity Pro Board	LED2
     PIC32MK MCM Curiosity Pro Board	LED1
     PIC32MK MCA Curiosity Pro Board	LED1