#include <wiringPi.h>
#include <gertboard.h>
+extern int wiringPiDebug ;
+
#ifndef TRUE
# define TRUE (1==1)
# define FALSE (1==2)
#endif
-#define VERSION "1.2"
+#define VERSION "1.6"
static int wpMode ;
char *usage = "Usage: gpio -v\n"
" gpio -h\n"
- " gpio [-g] <read/write/pwm/mode> ...\n"
- " gpio [-p] <read/write/mode> ...\n"
- " gpio export/edge/unexport/unexportall/exports ...\n"
+ " gpio [-g] <read/write/wb/pwm/mode> ...\n"
+ " gpio [-p] <read/write/wb> ...\n"
+ " gpio readall\n"
+ " gpio unexportall/exports ...\n"
+ " gpio export/edge/unexport ...\n"
" gpio drive <group> <value>\n"
" gpio pwm-bal/pwm-ms \n"
" gpio pwmr <range> \n"
+ " gpio pwmc <divider> \n"
" gpio load spi/i2c\n"
" gpio gbr <channel>\n"
- " gpio gbw <channel> <value>\n" ;
+ " gpio gbw <channel> <value>" ; // No trailing newline needed here.
/*
static void _doLoadUsage (char *argv [])
{
- fprintf (stderr, "Usage: %s load <spi/i2c>\n", argv [0]) ;
+ fprintf (stderr, "Usage: %s load <spi/i2c> [bufferSize in KB for spi]\n", argv [0]) ;
exit (1) ;
}
static void doLoad (int argc, char *argv [])
{
- char *module ;
+ char *module1, *module2 ;
char cmd [80] ;
char *file1, *file2 ;
+ char spiBuf [32] ;
- if (argc != 3)
+ if (argc < 3)
_doLoadUsage (argv) ;
+ spiBuf [0] = 0 ;
+
/**/ if (strcasecmp (argv [2], "spi") == 0)
{
- module = "spi_bcm2708" ;
+ module1 = "spidev" ;
+ module2 = "spi_bcm2708" ;
file1 = "/dev/spidev0.0" ;
file2 = "/dev/spidev0.1" ;
+ if (argc == 4)
+ sprintf (spiBuf, " bufsize=%d", atoi (argv [3]) * 1024) ;
+ else if (argc > 4)
+ _doLoadUsage (argv) ;
+
}
else if (strcasecmp (argv [2], "i2c") == 0)
{
- module = "i2c_bcm2708" ;
+ module1 = "i2c_dev" ;
+ module2 = "i2c_bcm2708" ;
file1 = "/dev/i2c-0" ;
file2 = "/dev/i2c-1" ;
}
else
_doLoadUsage (argv) ;
- if (!moduleLoaded (module))
+ if (!moduleLoaded (module1))
+ {
+ sprintf (cmd, "modprobe %s%s", module1, spiBuf) ;
+ system (cmd) ;
+ }
+
+ if (!moduleLoaded (module2))
{
- sprintf (cmd, "modprobe %s", module) ;
+ sprintf (cmd, "modprobe %s", module2) ;
system (cmd) ;
}
- if (!moduleLoaded (module))
+ if (!moduleLoaded (module2))
{
- fprintf (stderr, "%s: Unable to load %s\n", argv [0], module) ;
+ fprintf (stderr, "%s: Unable to load %s\n", argv [0], module2) ;
exit (1) ;
}
}
+/*
+ * doReadall:
+ * Read all the GPIO pins
+ *********************************************************************************
+ */
+
+static char *pinNames [] =
+{
+ "GPIO 0",
+ "GPIO 1",
+ "GPIO 2",
+ "GPIO 3",
+ "GPIO 4",
+ "GPIO 5",
+ "GPIO 6",
+ "GPIO 7",
+ "SDA ",
+ "SCL ",
+ "CE0 ",
+ "CE1 ",
+ "MOSI ",
+ "MISO ",
+ "SCLK ",
+ "TxD ",
+ "RxD ",
+ "GPIO 8",
+ "GPIO 9",
+ "GPIO10",
+ "GPIO11",
+} ;
+
+static void doReadall (void)
+{
+ int pin ;
+
+ printf ("+----------+------+--------+-------+\n") ;
+ printf ("| wiringPi | GPIO | Name | Value |\n") ;
+ printf ("+----------+------+--------+-------+\n") ;
+
+ for (pin = 0 ; pin < NUM_PINS ; ++pin)
+ printf ("| %6d | %3d | %s | %s |\n",
+ pin, wpiPinToGpio (pin),
+ pinNames [pin],
+ digitalRead (pin) == HIGH ? "High" : "Low ") ;
+
+ printf ("+----------+------+--------+-------+\n") ;
+
+ if (piBoardRev () == 1)
+ return ;
+
+ for (pin = 17 ; pin <= 20 ; ++pin)
+ printf ("| %6d | %3d | %s | %s |\n",
+ pin, wpiPinToGpio (pin),
+ pinNames [pin],
+ digitalRead (pin) == HIGH ? "High" : "Low ") ;
+
+ printf ("+----------+------+--------+-------+\n") ;
+}
+
/*
* doExports:
/*
* doGbw:
* gpio gbw channel value
+ * Gertboard Write - To the Analog output
*********************************************************************************
*/
/*
* doGbr:
* gpio gbr channel
+ * From the analog input
*********************************************************************************
*/
if ((wpMode == WPI_MODE_PINS) && ((pin < 0) || (pin >= NUM_PINS)))
return ;
- val = atoi (argv [3]) ;
+ /**/ if ((strcasecmp (argv [3], "up") == 0) || (strcasecmp (argv [3], "on") == 0))
+ val = 1 ;
+ else if ((strcasecmp (argv [3], "down") == 0) || (strcasecmp (argv [3], "off") == 0))
+ val = 0 ;
+ else
+ val = atoi (argv [3]) ;
/**/ if (val == 0)
digitalWrite (pin, LOW) ;
digitalWrite (pin, HIGH) ;
}
+/*
+ * doWriteByte:
+ * gpio write value
+ *********************************************************************************
+ */
+
+static void doWriteByte (int argc, char *argv [])
+{
+ int val ;
+
+ if (argc != 3)
+ {
+ fprintf (stderr, "Usage: %s wb value\n", argv [0]) ;
+ exit (1) ;
+ }
+
+ val = (int)strtol (argv [2], NULL, 0) ;
+
+ digitalWriteByte (val) ;
+}
+
/*
* doRead:
/*
- * doPwmMode: doPwmRange:
- * Change the PWM mode and Range values
+ * doPwmMode: doPwmRange: doPwmClock:
+ * Change the PWM mode, range and clock divider values
*********************************************************************************
*/
pwmSetRange (range) ;
}
+static void doPwmClock (int argc, char *argv [])
+{
+ unsigned int clock ;
+
+ if (argc != 3)
+ {
+ fprintf (stderr, "Usage: %s pwmc <clock>\n", argv [0]) ;
+ exit (1) ;
+ }
+
+ clock = (unsigned int)strtoul (argv [2], NULL, 10) ;
+
+ if ((clock < 1) || (clock > 4095))
+ {
+ fprintf (stderr, "%s: clock must be between 0 and 4096\n", argv [0]) ;
+ exit (1) ;
+ }
+
+ pwmSetClock (clock) ;
+}
+
/*
* main:
{
int i ;
+ if (getenv ("WIRINGPI_DEBUG") != NULL)
+ {
+ printf ("gpio: wiringPi debug mode enabled\n") ;
+ wiringPiDebug = TRUE ;
+ }
+
if (argc == 1)
{
- fprintf (stderr, "%s: %s\n", argv [0], usage) ;
+ fprintf (stderr, "%s\n", usage) ;
return 1 ;
}
printf ("Copyright (c) 2012 Gordon Henderson\n") ;
printf ("This is free software with ABSOLUTELY NO WARRANTY.\n") ;
printf ("For details type: %s -warranty\n", argv [0]) ;
+ printf ("\n") ;
+ printf ("This Raspberry Pi is a revision %d board.\n", piBoardRev ()) ;
return 0 ;
}
else if (strcasecmp (argv [1], "unexportall") == 0) { doUnexportall (argc, argv) ; return 0 ; }
else if (strcasecmp (argv [1], "unexport" ) == 0) { doUnexport (argc, argv) ; return 0 ; }
-// Check for drive or load commands:
+// Check for load command:
- if (strcasecmp (argv [1], "drive") == 0) { doPadDrive (argc, argv) ; return 0 ; }
if (strcasecmp (argv [1], "load" ) == 0) { doLoad (argc, argv) ; return 0 ; }
// Gertboard commands
wpMode = WPI_MODE_PINS ;
}
-// Check for PWM operations
+// Check for PWM or Pad Drive operations
if (wpMode != WPI_MODE_PIFACE)
{
- if (strcasecmp (argv [1], "pwm-bal") == 0) { doPwmMode (PWM_MODE_BAL) ; return 0 ; }
- if (strcasecmp (argv [1], "pwm-ms") == 0) { doPwmMode (PWM_MODE_MS) ; return 0 ; }
- if (strcasecmp (argv [1], "pwmr") == 0) { doPwmRange (argc, argv) ; return 0 ; }
+ if (strcasecmp (argv [1], "pwm-bal") == 0) { doPwmMode (PWM_MODE_BAL) ; return 0 ; }
+ if (strcasecmp (argv [1], "pwm-ms") == 0) { doPwmMode (PWM_MODE_MS) ; return 0 ; }
+ if (strcasecmp (argv [1], "pwmr") == 0) { doPwmRange (argc, argv) ; return 0 ; }
+ if (strcasecmp (argv [1], "pwmc") == 0) { doPwmClock (argc, argv) ; return 0 ; }
+ if (strcasecmp (argv [1], "drive") == 0) { doPadDrive (argc, argv) ; return 0 ; }
}
// Check for wiring commands
- /**/ if (strcasecmp (argv [1], "read" ) == 0) doRead (argc, argv) ;
- else if (strcasecmp (argv [1], "write") == 0) doWrite (argc, argv) ;
- else if (strcasecmp (argv [1], "pwm" ) == 0) doPwm (argc, argv) ;
- else if (strcasecmp (argv [1], "mode" ) == 0) doMode (argc, argv) ;
+ /**/ if (strcasecmp (argv [1], "readall" ) == 0) doReadall () ;
+ else if (strcasecmp (argv [1], "read" ) == 0) doRead (argc, argv) ;
+ else if (strcasecmp (argv [1], "write") == 0) doWrite (argc, argv) ;
+ else if (strcasecmp (argv [1], "wb") == 0) doWriteByte (argc, argv) ;
+ else if (strcasecmp (argv [1], "pwm" ) == 0) doPwm (argc, argv) ;
+ else if (strcasecmp (argv [1], "mode" ) == 0) doMode (argc, argv) ;
else
{
fprintf (stderr, "%s: Unknown command: %s.\n", argv [0], argv [1]) ;
~ianmdlvl / wiringPi.git / blobdiff