Fixed a minor formatting issue in gpio readall

[wiringPi.git] / gpio / gpio.c

diff --git a/gpio/gpio.c b/gpio/gpio.c
index b3534c8fd2010bfcb7c13a383bb670c8ec793269..59f93d264158dd2c962526209f88063899ae2b48 100644 (file)
--- a/gpio/gpio.c
+++ b/gpio/gpio.c
@@ -35,20 +35,24 @@
 #include <wiringPi.h>
 #include <gertboard.h>
 
+extern int wiringPiDebug ;
+
 #ifndef TRUE
 #  define      TRUE    (1==1)
 #  define      FALSE   (1==2)
 #endif
 
-#define        VERSION "1.3"
+#define        VERSION "1.10"
 
 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"
@@ -125,43 +129,62 @@ static int moduleLoaded (char *modName)
 
 static void _doLoadUsage (char *argv [])
 {
-  fprintf (stderr, "Usage: %s load <spi/i2c>\n", argv [0]) ;
+  fprintf (stderr, "Usage: %s load <spi/i2c> [SPI bufferSize in KB | I2C baudrate in Kb/sec]\n", argv [0]) ;
   exit (1) ;
 }
 
 static void doLoad (int argc, char *argv [])
 {
-  char *module ;
+  char *module1, *module2 ;
   char cmd [80] ;
   char *file1, *file2 ;
+  char args1 [32], args2 [32] ;
 
-  if (argc != 3)
+  if (argc < 3)
     _doLoadUsage (argv) ;
 
+  args1 [0] = args2 [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 (args1, " 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" ;
+    if (argc == 4)
+      sprintf (args2, " baudrate=%d", atoi (argv [3]) * 1000) ;
+    else if (argc > 4)
+      _doLoadUsage (argv) ;
   }
   else
     _doLoadUsage (argv) ;
 
-  if (!moduleLoaded (module))
+  if (!moduleLoaded (module1))
   {
-    sprintf (cmd, "modprobe %s", module) ;
+    sprintf (cmd, "modprobe %s%s", module1, args1) ;
     system (cmd) ;
   }
 
-  if (!moduleLoaded (module))
+  if (!moduleLoaded (module2))
   {
-    fprintf (stderr, "%s: Unable to load %s\n", argv [0], module) ;
+    sprintf (cmd, "modprobe %s%s", module2, args2) ;
+    system (cmd) ;
+  }
+
+  if (!moduleLoaded (module2))
+  {
+    fprintf (stderr, "%s: Unable to load %s\n", argv [0], module2) ;
     exit (1) ;
   }
 
@@ -172,6 +195,49 @@ static void doLoad (int argc, char *argv [])
 }
 
 
+/*
+ * 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 char *alts [] =
+{
+  "IN  ", "OUT ", "ALT0", "ALT1", "ALT2", "ALT3", "ALT4", "ALT5", "XXXX"
+} ;
+
+static void doReadall (void)
+{
+  int pin ;
+
+  printf ("+----------+------+--------+------+-------+\n") ;
+  printf ("| wiringPi | GPIO | Name   | Mode | Value |\n") ;
+  printf ("+----------+------+--------+------+-------+\n") ;
+
+  for (pin = 0 ; pin < 64 ; ++pin)
+  {
+    if (wpiPinToGpio (pin) == -1)
+      continue ;
+
+    printf ("| %6d   | %3d  | %s | %s | %s  |\n",
+       pin, wpiPinToGpio (pin),
+       pinNames [pin], 
+       alts [getAlt (pin)], 
+       digitalRead (pin) == HIGH ? "High" : "Low ") ;
+  }
+
+  printf ("+----------+------+--------+------+-------+\n") ;
+}
+
 
 /*
  * doExports:
@@ -527,6 +593,7 @@ static void doPadDrive (int argc, char *argv [])
 /*
  * doGbw:
  *     gpio gbw channel value
+ *     Gertboard Write - To the Analog output
  *********************************************************************************
  */
 
@@ -568,6 +635,7 @@ static void doGbw (int argc, char *argv [])
 /*
  * doGbr:
  *     gpio gbr channel
+ *     From the analog input
  *********************************************************************************
  */
 
@@ -621,7 +689,12 @@ static void doWrite (int argc, char *argv [])
   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) ;
@@ -629,6 +702,27 @@ static void doWrite (int argc, char *argv [])
     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:
@@ -751,6 +845,12 @@ int main (int argc, char *argv [])
 {
   int i ;
 
+  if (getenv ("WIRINGPI_DEBUG") != NULL)
+  {
+    printf ("gpio: wiringPi debug mode enabled\n") ;
+    wiringPiDebug = TRUE ;
+  }
+
   if (argc == 1)
   {
     fprintf (stderr, "%s\n", usage) ;
@@ -875,10 +975,12 @@ int main (int argc, char *argv [])
 
 // 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]) ;