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#243

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This commit is contained in:
mstroh76
2024-05-17 20:53:11 +02:00
parent 01ea71461b
commit 5417978454
1 changed files with 4 additions and 4 deletions
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8
wiringPi/wiringPiSPI.c
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@@ -75,11 +75,11 @@ static int spiFds [7][3] =
int SPICheckLimits(const int number, const int channel) {
if (channel<0 || channel>=WPI_MaxSPIChannels) {
fprintf (stderr, "wiringPiSPI: Invalid SPI channel (%d, valid range 0-%d)", channel, WPI_MaxSPIChannels-1);
return EINVAL;
return -EINVAL;
}
if (number<0 || number>=WPI_MaxSPINumbers) {
fprintf (stderr, "wiringPiSPI: Invalid SPI number (%d, valid range 0-%d)", number, WPI_MaxSPINumbers-1);
return EINVAL;
return -EINVAL;
}
return 0; //sucess
@@ -122,7 +122,7 @@ int wiringPiSPIxDataRW (const int number, const int channel, unsigned char *data
RETURN_ON_LIMIT_FAIL
if (-1==spiFds[number][channel]) {
fprintf (stderr, "wiringPiSPI: Invalid SPI number/channel (need wiringPiSPIxSetupMode before read/write)");
return EBADF;
return -EBADF;
}
struct spi_ioc_transfer spi ;
@@ -159,7 +159,7 @@ int wiringPiSPIxSetupMode(const int number, const int channel, const int speed,
RETURN_ON_LIMIT_FAIL
if (mode<0 || mode>3) { // Mode is 0, 1, 2 or 3 original
fprintf (stderr, "wiringPiSPI: Invalid mode (%d, valid range 0-%d)", mode, 3);
return EINVAL;
return -EINVAL;
}
snprintf (spiDev, 31, "/dev/spidev%d.%d", number, channel) ;