Hi all,
I have no clue what this warning message means, I do
know what it is about but no knowledge how to correct it :
nmea-c3.c:35: warning 196: pointer target lost const qualifier
I have searched the archives and used Google to no avail.
This is what I have, in different c and h files, that generates
the warning, the string is received in minicom :
typedef unsigned char uint8_t;
const uint8_t *software_revision = "$ITVER,NMEA-C3,10,8-6-2012\r\n";
void main(void)
{
.....
UART_PutString(software_revision);
.....
}
void UART_PutString(uint8_t *string)
{
uint8_t character;
while(character = *string++)
{
UART_PutChar(character);
}
return;
}
void UART_PutChar(uint8_t c)
{
// Wait for available space in buffer
while(serial_tcnt >= serial_tbuflen)
{
// CpuIdle();
}
// Disable the UART interrupt
es0 = false;
if(serial_busy > 0)
{
// Put the character in the buffer and increase the
counter
serial_tbuf[(serial_tpos + serial_tcnt++) %
serial_tbuflen] = c;
}
else
{
// Put the character in s0buf
s0buf = c;
// Indicate that the uart is busy
serial_busy = true;
}
// Enable the UART interrupt
es0 = true;
return;
}
Compiled and linked with :
sdcc -D_89c668 -c --code-size 65536 --xram-size 2048 serial.c
sdcc -D_89v664 -c --code-size 65536 --xram-size 2048 nmea-c3.c
....
sdcc --code-size 65536 --xram-size 2048 nmea-c3.rel serial.rel ....
SDCC : mcs51 3.1.5 #7699 (May 16 2012) (Linux)
Maybe a good soul can help me a bit with this warning ?
roelof
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