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Added support for the Pimoroni scrollPhat

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Added support for the ADS1115 16-bit ADC
Updated the gpio readall command to correctly with with the Compute Module
and fixed a resulting bug in wiringPi...
This commit is contained in:
Gordon Henderson
2016-01-28 19:20:31 +00:00
parent 78b5c323b7
commit 143b383b8d
13 changed files with 1847 additions and 8 deletions
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24
wiringPi/wiringPi.c
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@@ -461,6 +461,7 @@ static uint8_t gpioToShift [] =
0,3,6,9,12,15,18,21,24,27,
0,3,6,9,12,15,18,21,24,27,
0,3,6,9,12,15,18,21,24,27,
0,3,6,9,12,15,18,21,24,27,
} ;
@@ -1970,6 +1971,16 @@ int wiringPiSetup (void)
int fd ;
int boardRev ;
int model, rev, mem, maker, overVolted ;
static int alreadyCalled = FALSE ;
// This is here to trap the unwary - those who's program appears to work then fails some
// time later with a weird error message because you run out of file-handles.
if (alreadyCalled)
(void)wiringPiFailure (WPI_FATAL, "wiringPiSetup*: You must only call this once per program run. This is a fatal error. Please fix your code.\n") ;
alreadyCalled = TRUE ;
if (getenv (ENV_DEBUG) != NULL)
wiringPiDebug = TRUE ;
@@ -1994,12 +2005,14 @@ int wiringPiSetup (void)
pinToGpio = pinToGpioR1 ;
physToGpio = physToGpioR1 ;
}
else // A, B, Rev 2, B+, CM, Pi2
else // A, B, Rev 2, B+, CM, Pi2, Zero
{
pinToGpio = pinToGpioR2 ;
physToGpio = physToGpioR2 ;
}
// Note that a Zero is a model 1
if (piModel2)
RASPBERRY_PI_PERI_BASE = 0x3F000000 ;
else
@@ -2153,6 +2166,15 @@ int wiringPiSetupSys (void)
int boardRev ;
int pin ;
char fName [128] ;
static int alreadyCalled = FALSE ;
// This is here to trap the unwary - those who's program appears to work then fails some
// time later with a weird error message because you run out of file-handles.
if (alreadyCalled)
(void)wiringPiFailure (WPI_FATAL, "wiringPiSetupSys: You must only call this once per program run. This is a fatal error. Please fix your code.\n") ;
alreadyCalled = TRUE ;
if (getenv (ENV_DEBUG) != NULL)
wiringPiDebug = TRUE ;