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