version 1.2, 2007/11/24 17:13:45 |
version 1.3, 2008/01/06 18:15:03 |
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{ |
{ |
/* |
/* |
* Put a character into an unconfigured console. |
* Put a character into an unconfigured console. |
* Note that USART0 (DBGU) should be already configured (clocks/un-pio, etc.). |
* Note that USART1 should be already configured (clocks/un-pio, etc.). |
* Such configuration is done in config_machineinit(). |
* Such configuration is done in config_machineinit(). |
*/ |
*/ |
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/* wait for previous character to transmit */ |
/* wait for previous character to transmit */ |
while( ((*AT91C_US0_CSR) & AT91C_US_TXRDY) == 0) |
while( ((*AT91C_US1_CSR) & AT91C_US_TXRDY) == 0) |
; |
; |
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/* if we encounter \n (LF), send \r\n (CRLF) */ |
/* if we encounter \n (LF), send \r\n (CRLF) */ |
if (ch == '\n') { |
if (ch == '\n') { |
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*AT91C_US0_THR = 0x0d; |
*AT91C_US1_THR = 0x0d; |
while( ((*AT91C_US0_CSR) & AT91C_US_TXRDY) == 0) |
while( ((*AT91C_US1_CSR) & AT91C_US_TXRDY) == 0) |
; |
; |
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*AT91C_US0_THR = 0x0a; |
*AT91C_US1_THR = 0x0a; |
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return; |
return; |
} |
} |
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/* put current character into Transmit Hold Register */ |
/* put current character into Transmit Hold Register */ |
*AT91C_US0_THR = ch; |
*AT91C_US1_THR = ch; |
} |
} |
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