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initial printf

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snprintf blows up the size

printf isn't too small either (about 10KB now)
This commit is contained in:
Mariano Alvira 2010-03-01 17:11:56 -05:00
parent 191e408bb7
commit ac0691ea9c
4 changed files with 466 additions and 2 deletions
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1
tests/Makefile
View file

@ -12,6 +12,7 @@ TARGETS := blink-red blink-green blink-blue blink-white blink-allio \
tmr tmr-ints \
sleep \
rftest-rx rftest-tx \
printf
include $(MC1322X)/Makefile.include

65
tests/printf.c Normal file
View file

@ -0,0 +1,65 @@
#include <mc1322x.h>
#include <board.h>
#include "tests.h"
#include "config.h"
int main(void)
{
char *ptr = "Hello world!";
char *np = 0;
int i = 5;
unsigned int bs = sizeof(int)*8;
int mi;
char buf[80];
uart_init(INC, MOD);
mi = (1 << (bs-1)) + 1;
printf("%s\n", ptr);
printf("printf test\n");
printf("%s is null pointer\n", np);
printf("%d = 5\n", i);
printf("%d = - max int\n", mi);
printf("char %c = 'a'\n", 'a');
printf("hex %x = ff\n", 0xff);
printf("hex %02x = 00\n", 0);
printf("signed %d = unsigned %u = hex %x\n", -3, -3, -3);
printf("%d %s(s)%", 0, "message");
printf("\n");
printf("%d %s(s) with %%\n", 0, "message");
// sprintf(buf, "justif: \"%-10s\"\n", "left"); printf("%s", buf);
// sprintf(buf, "justif: \"%10s\"\n", "right"); printf("%s", buf);
// sprintf(buf, " 3: %04d zero padded\n", 3); printf("%s", buf);
// sprintf(buf, " 3: %-4d left justif.\n", 3); printf("%s", buf);
// sprintf(buf, " 3: %4d right justif.\n", 3); printf("%s", buf);
// sprintf(buf, "-3: %04d zero padded\n", -3); printf("%s", buf);
// sprintf(buf, "-3: %-4d left justif.\n", -3); printf("%s", buf);
// sprintf(buf, "-3: %4d right justif.\n", -3); printf("%s", buf);
return 0;
}
/*
* this should display (on 32bit int machine) :
*
* Hello world!
* printf test
* (null) is null pointer
* 5 = 5
* -2147483647 = - max int
* char a = 'a'
* hex ff = ff
* hex 00 = 00
* signed -3 = unsigned 4294967293 = hex fffffffd
* 0 message(s)
* 0 message(s) with %
* justif: "left "
* justif: " right"
* 3: 0003 zero padded
* 3: 3 left justif.
* 3: 3 right justif.
* -3: -003 zero padded
* -3: -3 left justif.
* -3: -3 right justif.
*/