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[/] [amber/] [trunk/] [hw/] [tests/] [uart_tx.S] - Diff between revs 2 and 15

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Rev 2 Rev 15
Line 59... Line 59...
1:      bl      wait_tx_full
1:      bl      wait_tx_full
        ldrb    r6, [r5], #1
        ldrb    r6, [r5], #1
        @ transmit byte from test_uart
        @ transmit byte from test_uart
        str     r6, [r4]
        str     r6, [r4]
        bl      uart_rx_check
        bl      uart_rx_check
 
        @ keep doing this until get to the end of the message
        cmp     r5, r7
        cmp     r5, r7
        bne     1b
        bne     1b
 
 
 
        @ The complete message has now been transmitted
 
        @ but some bytes are still en route
        @ check the last few bytes received
        @ check the last few bytes received
        bl      uart_rx_check
        bl      uart_rx_check
 
 
        @ check that all bytes were received
        @ check that all bytes were received
        add     r9, r9, #2
        add     r9, r9, #2

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