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added support for RETARGET SWO

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This commit is contained in:
hathach
2013-09-10 13:36:19 +07:00
parent e823862ed1
commit 2d021e0728
3 changed files with 40 additions and 30 deletions
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18
demos/bsp/boards/printf_retarget.c
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@@ -107,6 +107,16 @@ int __sys_readc (void)
#elif defined __CC_ARM // keil
#if CFG_PRINTF_TARGET == PRINTF_TARGET_UART
#define retarget_putc(c) board_uart_send(&c, 1);
#elif CFG_PRINTF_TARGET == PRINTF_TARGET_SWO
#define retarget_putc(c) ITM_SendChar(c)
#else
#error Thach, did you forget something
#endif
struct __FILE {
uint32_t handle;
};
@@ -117,10 +127,10 @@ int fputc(int ch, FILE *f)
ch == '\n')
{
const uint8_t carry = '\r';
board_uart_send(&carry, 1);
retarget_putc(carry);
}
board_uart_send( (uint8_t*) &ch, 1);
retarget_putc(ch);
return ch;
}
@@ -131,10 +141,10 @@ void _ttywrch(int ch)
ch == '\n')
{
const uint8_t carry = '\r';
board_uart_send(&carry, 1);
retarget_putc(carry);
}
board_uart_send( (uint8_t*) &ch, 1);
retarget_putc(ch);
}
#endif