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wiringPi: Enable 'gpio i2cdetect' command

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Change-Id: I7c2e13e9bb4b6ba9147f2bf16bf94468902b3b98
This commit is contained in:
Joshua Yang
2018-02-27 15:36:51 +09:00
parent f8b154ba75
commit 180614e619
1 changed files with 30 additions and 7 deletions
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37
gpio/gpio_odroid.c
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@@ -33,6 +33,7 @@
#include <sys/stat.h> #include <sys/stat.h>
#include <wiringPi.h> #include <wiringPi.h>
#include <wiringOdroid.h>
#include <wpiExtensions.h> #include <wpiExtensions.h>
#include <gertboard.h> #include <gertboard.h>
@@ -54,9 +55,9 @@ extern void doPins (void) ;
#endif #endif
#define PI_USB_POWER_CONTROL 38 #define PI_USB_POWER_CONTROL 38
#define I2CDETECT "/usr/sbin/i2cdetect" #define I2CDETECT "i2cdetect"
#define MODPROBE "/sbin/modprobe" #define MODPROBE "modprobe"
#define RMMOD "/sbin/rmmod" #define RMMOD "rmmod"
int wpMode ; int wpMode ;
@@ -238,17 +239,39 @@ static void doUnLoad (int argc, char *argv [])
*/ */
static void doI2Cdetect (UNU int argc, char *argv []) static void doI2Cdetect (UNU int argc, char *argv [])
{ {
int port = piGpioLayout () == 1 ? 0 : 1 ; int model, rev, mem, maker, overVolted, port;
const char *device = NULL;
char *c, *command ; char *c, *command ;
piBoardId(&model, &rev, &mem, &maker, &overVolted);
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;
default:
break;
}
if ((c = findExecutable (I2CDETECT)) == NULL) { if ((c = findExecutable (I2CDETECT)) == NULL) {
fprintf (stderr, "%s: Unable to find i2cdetect command: %s\n", argv [0], strerror (errno)) ; fprintf (stderr, "%s: Unable to find i2cdetect command: %s\n", argv [0], strerror (errno)) ;
return ; return ;
} }
if (!moduleLoaded ("i2c_dev")) { switch (maker) {
fprintf (stderr, "%s: The I2C kernel module(s) are not loaded.\n", argv [0]) ; case MAKER_AMLOGIC:
return ; if (!moduleLoaded ("aml_i2c")) {
fprintf (stderr, "%s: The I2C kernel module(s) are not loaded.\n", argv [0]) ;
return ;
}
default:
break;
} }
command = malloc (strlen (c) + 16) ; command = malloc (strlen (c) + 16) ;