| Line 510... |
Line 510... |
printf ("interrupt_test\n");
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printf ("interrupt_test\n");
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/* Configure UART for interrupt mode */
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/* Configure UART for interrupt mode */
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ASSERT(getreg (UART_IIR) == 0xc1); /* nothing should be happening */
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ASSERT(getreg (UART_IIR) == 0xc1); /* nothing should be happening */
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setreg (UART_LCR, LCR_DIVL);
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setreg (UART_LCR, LCR_DIVL);
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setreg (UART_DLH, 12 >> 8); /* Set relatively slow speed, so we can hanlde interrupts properly */
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setreg (UART_DLH, 12 >> 8); /* Set relatively slow speed, so we can hanlde interrupts properly */
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setreg (UART_DLL, 12 & 0xff);
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setreg (UART_DLL, 6 & 0xff);
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setreg (UART_LCR, 0x03); /* 8N1 @ 6 */
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setreg (UART_LCR, 0x03); /* 8N1 @ 6 */
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ASSERT (int_cnt == 0); /* We should not have got any interrupts before this test */
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ASSERT (int_cnt == 0); /* We should not have got any interrupts before this test */
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setreg (UART_FCR, 0x01); /* Set trigger level = 1 char, fifo should not be reset */
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setreg (UART_FCR, 0x01); /* Set trigger level = 1 char, fifo should not be reset */
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setreg (UART_IER, 0x07); /* Enable interrupts: line status, THR empty, data ready */
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setreg (UART_IER, 0x07); /* Enable interrupts: line status, THR empty, data ready */
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| Line 721... |
Line 721... |
ASSERT (getreg (UART_LSR) == 0x60); /* nothing happening */
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ASSERT (getreg (UART_LSR) == 0x60); /* nothing happening */
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send_char ('!');
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send_char ('!');
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recv_char ('!');
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recv_char ('!');
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MARK ();
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MARK ();
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/* Make sure the TX fifo and the TX serial reg. are empty */
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ASSERT (getreg (UART_LSR) & LSR_TXFE);
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ASSERT (getreg (UART_LSR) & LSR_TXE);
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/* FCR2 - reset tx FIFO */
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/* FCR2 - reset tx FIFO */
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send_char_no_wait ('1');
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send_char_no_wait ('1');
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send_char_no_wait ('2');
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send_char_no_wait ('2');
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// send_char ('1');
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// send_char ('1');
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// send_char ('2');
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// send_char ('2');
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setreg (UART_FCR, 4); /* Should clear '2' from fifo, but '1' should be sent OK */
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setreg (UART_FCR, 4); /* Should clear '2' from fifo, but '1' should be sent OK */
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ASSERT (getreg (UART_LSR) == 0x00); /* we should still be sending '1' */
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ASSERT (getreg (UART_LSR) == 0x20); /* we should still be sending '1' */
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NO_ERROR();
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NO_ERROR();
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send_char ('*');
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send_char ('*');
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recv_char ('*');
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recv_char ('*');
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MARK ();
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MARK ();
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