URL https://opencores.org/ocsvn/amber/amber/trunk

Subversion Repositories amber

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

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`