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Achieve C89 compatibility, Arduino IDE's default.

This commit is contained in:
Markus Hitter 2010-07-02 23:12:00 +02:00
parent 8c56c080fe
commit 6f0dced422
1 changed files with 8 additions and 4 deletions
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12
mendel/serial.c
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@ -146,7 +146,9 @@ void serial_writechar(uint8_t data)
void serial_writeblock(void *data, int datalen)
{
for (int i = 0; i < datalen; i++)
int i;
for (i = 0; i < datalen; i++)
serial_writechar(((uint8_t *) data)[i]);
}
@ -170,15 +172,17 @@ void serial_writechar_P(PGM_P data)
void serial_writeblock_P(PGM_P data, int datalen)
{
for (int i = 0; i < datalen; i++)
int i;
for (i = 0; i < datalen; i++)
serial_writechar_P(&data[i]);
}
void serial_writestr_P(PGM_P data)
{
uint8_t i = 0;
uint8_t r, i = 0;
// yes, this is *supposed* to be assignment rather than comparison, so we break when r is assigned zero
for (uint8_t r; (r = pgm_read_byte(&data[i])); i++)
for (r; (r = pgm_read_byte(&data[i])); i++)
serial_writechar(r);
}