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Added newline conversion for stdout 

stdout converts the following character sequences:

\n   -> \r\n
\r\n -> \r\n
\r   -> \r
\n\r -> \n\r

For original behaviour, a serial object can be instantiated explicitly
pull/1876/head
Christopher Haster 2016-06-07 09:43:40 -05:00
parent 42561b9193
commit 69c33625eb
1 changed files with 5 additions and 0 deletions
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5
hal/common/retarget.cpp
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@ -88,6 +88,7 @@ FileHandle::~FileHandle() {
#if DEVICE_SERIAL
extern int stdio_uart_inited;
extern serial_t stdio_uart;
static char stdio_prev;
#endif
static void init_serial() {
@ -227,7 +228,11 @@ extern "C" int PREFIX(_write)(FILEHANDLE fh, const unsigned char *buffer, unsign
#if DEVICE_SERIAL
if (!stdio_uart_inited) init_serial();
for (unsigned int i = 0; i < length; i++) {
if (buffer[i] == '\n' && stdio_prev != '\r') {
serial_putc(&stdio_uart, '\r');
}
serial_putc(&stdio_uart, buffer[i]);
stdio_prev = buffer[i];
}
#endif
n = length;