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Correct port number

pull/11/head
Dolf Andringa 6 years ago
parent
5e85a44f93
commit
5525b6250f
1 changed files with 2 additions and 1 deletions
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  1. 3
      wiringPi/wiringPiSPI.c

3
wiringPi/wiringPiSPI.c
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@ -97,7 +97,7 @@ int wiringPiSPIDataRW (int channel, unsigned char *data, int len)
*/ */
void getDevice(char* spidev, int channel, int port) { void getDevice(char* spidev, int channel, int port) {
sprintf(spidev, "/dev/spidev/%i.%i", channel, port); sprintf(spidev, "/dev/spidev%i.%i", channel, port);
} }
int wiringPiSPISetupMode (int channel, int port, int speed, int mode) int wiringPiSPISetupMode (int channel, int port, int speed, int mode)
@ -110,6 +110,7 @@ int wiringPiSPISetupMode (int channel, int port, int speed, int mode)
static char spidev[14]; static char spidev[14];
getDevice(spidev, channel, port); getDevice(spidev, channel, port);
printf("Opening device %s\n", spidev);
if ((fd = open (spidev, O_RDWR)) < 0) if ((fd = open (spidev, O_RDWR)) < 0)
return wiringPiFailure (WPI_ALMOST, "Unable to open SPI device: %s\n", strerror (errno)) ; return wiringPiFailure (WPI_ALMOST, "Unable to open SPI device: %s\n", strerror (errno)) ;

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