Bump version for root-less access change.

Author: tdicola

Adafruit_DHT/Raspberry_Pi.py

@@ -31,7 +31,7 @@ def read(sensor, pin):
         # Signal no result could be obtained, but the caller can retry.
         return (None, None)
     elif result == common.DHT_ERROR_GPIO:
-        raise RuntimeError('Error accessing GPIO. Make sure program is run as root with sudo!')
+        raise RuntimeError('Error accessing GPIO.')
     elif result != common.DHT_SUCCESS:
         # Some kind of error occured.
         raise RuntimeError('Error calling DHT test driver read: {0}'.format(result))

Adafruit_DHT/Raspberry_Pi_2.py

@@ -31,7 +31,7 @@ def read(sensor, pin):
         # Signal no result could be obtained, but the caller can retry.
         return (None, None)
     elif result == common.DHT_ERROR_GPIO:
-        raise RuntimeError('Error accessing GPIO. Make sure program is run as root with sudo!')
+        raise RuntimeError('Error accessing GPIO.')
     elif result != common.DHT_SUCCESS:
         # Some kind of error occured.
         raise RuntimeError('Error calling DHT test driver read: {0}'.format(result))

README.md

@@ -19,6 +19,7 @@ Install the library by downloading with the download link on the right, unzippin
 ````
 sudo python setup.py install
 ````
+You can ommit the sudo if you use raspberry pi.
 
 See example of usage in the examples folder.
 

setup.py

@@ -72,7 +72,7 @@
 
 # Call setuptools setup function to install package.
 setup(name              = 'Adafruit_DHT',
-      version           = '1.2.0',
+      version           = '1.3.0',
       author            = 'Tony DiCola',
       author_email      = 'tdicola@adafruit.com',
       description       = 'Library to get readings from the DHT11, DHT22, and AM2302 humidity and temperature sensors on a Raspberry Pi or Beaglebone Black.',

source/Raspberry_Pi/pi_mmio.c

@@ -37,9 +37,9 @@ volatile uint32_t* pi_mmio_gpio = NULL;
 
 int pi_mmio_init(void) {
   if (pi_mmio_gpio == NULL) {
-    int fd = open("/dev/mem", O_RDWR | O_SYNC);
+    int fd = open("/dev/gpiomem", O_RDWR | O_SYNC);
     if (fd == -1) {
-      // Error opening /dev/mem.  Probably not running as root.
+      // Error opening /dev/gpiomem.
       return MMIO_ERROR_DEVMEM;
     }
     // Map GPIO memory to location in process space.

source/Raspberry_Pi_2/pi_2_mmio.c

@@ -53,9 +53,9 @@ int pi_2_mmio_init(void) {
     uint32_t gpio_base = peri_base + GPIO_BASE_OFFSET;
     fclose(fp);
 
-    int fd = open("/dev/mem", O_RDWR | O_SYNC);
+    int fd = open("/dev/gpiomem", O_RDWR | O_SYNC);
     if (fd == -1) {
-      // Error opening /dev/mem.  Probably not running as root.
+      // Error opening /dev/gpiomem.
       return MMIO_ERROR_DEVMEM;
     }
     // Map GPIO memory to location in process space.