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Software Application Development UART0 Access
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Forum Thread Details
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Related

UART0 Access

fayyazrafiq
fayyazrafiq over 10 years ago

I am using two uarts on the Zynq Processing system. In my hardware design, One of the UARTs "UART1" is connected to MIO for debugging purpose. The other UART "UART0" is connected to MicroBlaze UART via EMIO. My problem is when I am looking the UART0 in the xparameters.h file, there is no device ID for the UART0. The following is a xparameters.h file inside for UARTs.

/* Definitions for driver UARTPS */
#define XPAR_XUARTPS_NUM_INSTANCES 1

/* Definitions for peripheral PS7_UART_1 */
#define XPAR_PS7_UART_1_DEVICE_ID 0
#define XPAR_PS7_UART_1_BASEADDR 0xE0001000
#define XPAR_PS7_UART_1_HIGHADDR 0xE0001FFF
#define XPAR_PS7_UART_1_UART_CLK_FREQ_HZ 50000000
#define XPAR_PS7_UART_1_HAS_MODEM 0


/******************************************************************/

/* Canonical definitions for peripheral PS7_UART_1 */
#define XPAR_XUARTPS_0_DEVICE_ID XPAR_PS7_UART_1_DEVICE_ID
#define XPAR_XUARTPS_0_BASEADDR 0xE0001000
#define XPAR_XUARTPS_0_HIGHADDR 0xE0001FFF
#define XPAR_XUARTPS_0_UART_CLK_FREQ_HZ 50000000
#define XPAR_XUARTPS_0_HAS_MODEM 0

The device ID is only defined for the UART1. I am little confused from the output, could anybody tell me, which device ID, I have to use in writing application function for uart0.

Any help is highly appreciated.

Regards
Fayyaz

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  • Former Member
    0 Former Member over 10 years ago

    There is porbably an issue with exporting. You did export your 'new' processor setting to SDK right. You should try deleting your workspace (make a backup!) and export to SDK again.

    Hope this helps.

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  • fayyazrafiq
    0 fayyazrafiq over 10 years ago in reply to Former Member

    Dear KUGA,

    Thank you very much for the suggestion. The issue was resolved. One more question, have tried to configure interrupt for UART on processing system. I am using freeRTOS and try to configure interrupt for UART but could not succeed. Any help is highly appreciated.

    Regards
    Fayyaz

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