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1836ac0761
The default ISR (particularly the HardFault handler) print information, but this information was not displayed on the console because the UART IRQ is lower than some default blocking IRQ. Allowing to set synchronous transfer corrects this. The underlying Atmel exception library had to be modified to use the synchronous output. Making UART_PutChar always synchronous when called from an ISR is not desired because we use TRACE_ macros is some ISR. The synchronous output must be set explicitly. Change-Id: I1b4ace5185cf2dc32684934ed12bf6a8682e9bad
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/* UART print output
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
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*/
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#include <stdio.h>
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#include "uart_console.h"
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int fputc(int c, FILE *stream)
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{
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UART_PutChar(c);
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return c;
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}
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int fputs(const char *s, FILE *stream)
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{
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while (*s != '\0')
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fputc(*s++, stream);
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return 0;
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}
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int fputc_sync(int c, FILE *stream)
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{
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UART_PutChar_Sync(c);
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return c;
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}
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int fputs_sync(const char *s, FILE *stream)
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{
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while (*s != '\0')
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fputc_sync(*s++, stream);
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return 0;
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}
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