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wiringPi: Clean warning messages from gcc

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Signed-off-by: Joshua Yang <joshua.yang@hardkernel.com>
This commit is contained in:
Joshua Yang
2019-07-09 15:57:26 +09:00
parent e0bbe87778
commit 6e7a6e6e38
13 changed files with 462 additions and 355 deletions
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16
gpio/gpio.c
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@@ -208,7 +208,6 @@ static void doUnLoad (int UNU argc, char *argv [])
static void doI2Cdetect (UNU int argc, char *argv [])
{
int model, rev, mem, maker, overVolted, port;
const char *device = NULL;
char *c, *command ;
piBoardId(&model, &rev, &mem, &maker, &overVolted);
@@ -216,15 +215,12 @@ static void doI2Cdetect (UNU int argc, char *argv [])
switch (model) {
case MODEL_ODROID_C1: case MODEL_ODROID_C2:
case MODEL_ODROID_XU3:
device = "/dev/i2c-1";
port = 1;
break;
case MODEL_ODROID_N1:
device = "/dev/i2c-4";
port = 4;
break;
case MODEL_ODROID_N2:
device = "/dev/i2c-3";
port = 3;
default:
break;
@@ -239,7 +235,6 @@ static void doI2Cdetect (UNU int argc, char *argv [])
case MAKER_AMLOGIC:
if (!moduleLoaded (AML_MODULE_I2C)) {
fprintf (stderr, "%s: The I2C kernel module(s) are not loaded.\n", argv [0]) ;
return ;
}
default:
break;
@@ -279,7 +274,7 @@ static void doExports (UNU int argc, UNU char *argv [])
if ((l = read (fd, buf, 16)) == 0)
sprintf (buf, "%s", "?") ;
buf [l] = 0 ;
if ((buf [strlen (buf) - 1]) == '\n')
buf [strlen (buf) - 1] = 0 ;
@@ -789,7 +784,7 @@ static void doReadByte (int argc, char *argv [], int printHex)
*********************************************************************************
*/
void doRead (int argc, char *argv [])
void doRead (int argc, char *argv [])
{
int pin, val ;
@@ -810,7 +805,7 @@ void doRead (int argc, char *argv [])
*********************************************************************************
*/
void doAread (int argc, char *argv [])
void doAread (int argc, char *argv [])
{
if (argc != 3) {
fprintf (stderr, "Usage: %s aread pin\n", argv [0]) ;
@@ -1014,7 +1009,7 @@ static void doVersion (char *argv [])
printf ("ODROID Board Details:\n") ;
printf (" Type: %s, Revision: %s, Memory: %dMB\n" \
" Maker: %s, Chip-Vendor: %s\n",
" Maker: %s, Chip-Vendor: %s\n",
piModelNames [model],
piRevisionNames [rev],
piMemorySize [mem],
@@ -1028,7 +1023,8 @@ static void doVersion (char *argv [])
// Output Kernel idea of board type
if (stat ("/proc/device-tree/model", &statBuf) == 0) {
if ((fd = fopen ("/proc/device-tree/model", "r")) != NULL) {
fgets (name, 80, fd) ;
if (fgets (name, 80, fd) == NULL)
fprintf(stderr, "Unable to read from the file descriptor: %s \n", strerror(errno));
fclose (fd) ;
printf (" *--> %s\n", name) ;
}