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Altera_Forum's avatar
Altera_Forum
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15 years ago

Nois CPU halt at fprintf

hi,everyone: I have to output information by UART in my project, When program loaded from FLASH(EPCS),then CPU halt at fprintf(),so do with getc(),fscanf(),but not fwrite(). but it is ok in de...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

code as following:

int main()

{

FILE *fp;

char echo;

fp = fopen(UART_0_NAME, "r+");

if (fp)

{

while (1)

{

echo = getc(fp);

fwrite(&echo, 1, 1, fp);

fprintf(fp, ">>\r\n"); // always stop here

}

}

return 0;

}