Merge pull request #214 from raven-worx/gpio_reset

only cleanup the GPIOs in use instead of all GPIOs (Python)

RaspberryPi_JetsonNano/python/lib/waveshare_epd/epdconfig.py

@@ -1,160 +1,160 @@
-# /*****************************************************************************
-# * | File        :	  epdconfig.py
-# * | Author      :   Waveshare team
-# * | Function    :   Hardware underlying interface
-# * | Info        :
-# *----------------
-# * | This version:   V1.0
-# * | Date        :   2019-06-21
-# * | Info        :   
-# ******************************************************************************
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documnetation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to  whom the Software is
-# furished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
-#
-
-import os
-import logging
-import sys
-import time
-
-logger = logging.getLogger(__name__)
-
-
-class RaspberryPi:
-    # Pin definition
-    RST_PIN         = 17
-    DC_PIN          = 25
-    CS_PIN          = 8
-    BUSY_PIN        = 24
-
-    def __init__(self):
-        import spidev
-        import RPi.GPIO
-
-        self.GPIO = RPi.GPIO
-        self.SPI = spidev.SpiDev()
-
-    def digital_write(self, pin, value):
-        self.GPIO.output(pin, value)
-
-    def digital_read(self, pin):
-        return self.GPIO.input(pin)
-
-    def delay_ms(self, delaytime):
-        time.sleep(delaytime / 1000.0)
-
-    def spi_writebyte(self, data):
-        self.SPI.writebytes(data)
-
-    def spi_writebyte2(self, data):
-        self.SPI.writebytes2(data)
-
-    def module_init(self):
-        self.GPIO.setmode(self.GPIO.BCM)
-        self.GPIO.setwarnings(False)
-        self.GPIO.setup(self.RST_PIN, self.GPIO.OUT)
-        self.GPIO.setup(self.DC_PIN, self.GPIO.OUT)
-        self.GPIO.setup(self.CS_PIN, self.GPIO.OUT)
-        self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
-
-        # SPI device, bus = 0, device = 0
-        self.SPI.open(0, 0)
-        self.SPI.max_speed_hz = 4000000
-        self.SPI.mode = 0b00
-        return 0
-
-    def module_exit(self):
-        logger.debug("spi end")
-        self.SPI.close()
-
-        logger.debug("close 5V, Module enters 0 power consumption ...")
-        self.GPIO.output(self.RST_PIN, 0)
-        self.GPIO.output(self.DC_PIN, 0)
-
-        self.GPIO.cleanup()
-
-
-class JetsonNano:
-    # Pin definition
-    RST_PIN         = 17
-    DC_PIN          = 25
-    CS_PIN          = 8
-    BUSY_PIN        = 24
-
-    def __init__(self):
-        import ctypes
-        find_dirs = [
-            os.path.dirname(os.path.realpath(__file__)),
-            '/usr/local/lib',
-            '/usr/lib',
-        ]
-        self.SPI = None
-        for find_dir in find_dirs:
-            so_filename = os.path.join(find_dir, 'sysfs_software_spi.so')
-            if os.path.exists(so_filename):
-                self.SPI = ctypes.cdll.LoadLibrary(so_filename)
-                break
-        if self.SPI is None:
-            raise RuntimeError('Cannot find sysfs_software_spi.so')
-
-        import Jetson.GPIO
-        self.GPIO = Jetson.GPIO
-
-    def digital_write(self, pin, value):
-        self.GPIO.output(pin, value)
-
-    def digital_read(self, pin):
-        return self.GPIO.input(self.BUSY_PIN)
-
-    def delay_ms(self, delaytime):
-        time.sleep(delaytime / 1000.0)
-
-    def spi_writebyte(self, data):
-        self.SPI.SYSFS_software_spi_transfer(data[0])
-
-    def module_init(self):
-        self.GPIO.setmode(self.GPIO.BCM)
-        self.GPIO.setwarnings(False)
-        self.GPIO.setup(self.RST_PIN, self.GPIO.OUT)
-        self.GPIO.setup(self.DC_PIN, self.GPIO.OUT)
-        self.GPIO.setup(self.CS_PIN, self.GPIO.OUT)
-        self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
-        self.SPI.SYSFS_software_spi_begin()
-        return 0
-
-    def module_exit(self):
-        logger.debug("spi end")
-        self.SPI.SYSFS_software_spi_end()
-
-        logger.debug("close 5V, Module enters 0 power consumption ...")
-        self.GPIO.output(self.RST_PIN, 0)
-        self.GPIO.output(self.DC_PIN, 0)
-
-        self.GPIO.cleanup()
-
-
-if os.path.exists('/sys/bus/platform/drivers/gpiomem-bcm2835'):
-    implementation = RaspberryPi()
-else:
-    implementation = JetsonNano()
-
-for func in [x for x in dir(implementation) if not x.startswith('_')]:
-    setattr(sys.modules[__name__], func, getattr(implementation, func))
-
-
-### END OF FILE ###
+# /*****************************************************************************
+# * | File        :	  epdconfig.py
+# * | Author      :   Waveshare team
+# * | Function    :   Hardware underlying interface
+# * | Info        :
+# *----------------
+# * | This version:   V1.0
+# * | Date        :   2019-06-21
+# * | Info        :   
+# ******************************************************************************
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documnetation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to  whom the Software is
+# furished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+
+import os
+import logging
+import sys
+import time
+
+logger = logging.getLogger(__name__)
+
+
+class RaspberryPi:
+    # Pin definition
+    RST_PIN         = 17
+    DC_PIN          = 25
+    CS_PIN          = 8
+    BUSY_PIN        = 24
+
+    def __init__(self):
+        import spidev
+        import RPi.GPIO
+
+        self.GPIO = RPi.GPIO
+        self.SPI = spidev.SpiDev()
+
+    def digital_write(self, pin, value):
+        self.GPIO.output(pin, value)
+
+    def digital_read(self, pin):
+        return self.GPIO.input(pin)
+
+    def delay_ms(self, delaytime):
+        time.sleep(delaytime / 1000.0)
+
+    def spi_writebyte(self, data):
+        self.SPI.writebytes(data)
+
+    def spi_writebyte2(self, data):
+        self.SPI.writebytes2(data)
+
+    def module_init(self):
+        self.GPIO.setmode(self.GPIO.BCM)
+        self.GPIO.setwarnings(False)
+        self.GPIO.setup(self.RST_PIN, self.GPIO.OUT)
+        self.GPIO.setup(self.DC_PIN, self.GPIO.OUT)
+        self.GPIO.setup(self.CS_PIN, self.GPIO.OUT)
+        self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
+
+        # SPI device, bus = 0, device = 0
+        self.SPI.open(0, 0)
+        self.SPI.max_speed_hz = 4000000
+        self.SPI.mode = 0b00
+        return 0
+
+    def module_exit(self):
+        logger.debug("spi end")
+        self.SPI.close()
+
+        logger.debug("close 5V, Module enters 0 power consumption ...")
+        self.GPIO.output(self.RST_PIN, 0)
+        self.GPIO.output(self.DC_PIN, 0)
+
+        self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN])
+
+
+class JetsonNano:
+    # Pin definition
+    RST_PIN         = 17
+    DC_PIN          = 25
+    CS_PIN          = 8
+    BUSY_PIN        = 24
+
+    def __init__(self):
+        import ctypes
+        find_dirs = [
+            os.path.dirname(os.path.realpath(__file__)),
+            '/usr/local/lib',
+            '/usr/lib',
+        ]
+        self.SPI = None
+        for find_dir in find_dirs:
+            so_filename = os.path.join(find_dir, 'sysfs_software_spi.so')
+            if os.path.exists(so_filename):
+                self.SPI = ctypes.cdll.LoadLibrary(so_filename)
+                break
+        if self.SPI is None:
+            raise RuntimeError('Cannot find sysfs_software_spi.so')
+
+        import Jetson.GPIO
+        self.GPIO = Jetson.GPIO
+
+    def digital_write(self, pin, value):
+        self.GPIO.output(pin, value)
+
+    def digital_read(self, pin):
+        return self.GPIO.input(self.BUSY_PIN)
+
+    def delay_ms(self, delaytime):
+        time.sleep(delaytime / 1000.0)
+
+    def spi_writebyte(self, data):
+        self.SPI.SYSFS_software_spi_transfer(data[0])
+
+    def module_init(self):
+        self.GPIO.setmode(self.GPIO.BCM)
+        self.GPIO.setwarnings(False)
+        self.GPIO.setup(self.RST_PIN, self.GPIO.OUT)
+        self.GPIO.setup(self.DC_PIN, self.GPIO.OUT)
+        self.GPIO.setup(self.CS_PIN, self.GPIO.OUT)
+        self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
+        self.SPI.SYSFS_software_spi_begin()
+        return 0
+
+    def module_exit(self):
+        logger.debug("spi end")
+        self.SPI.SYSFS_software_spi_end()
+
+        logger.debug("close 5V, Module enters 0 power consumption ...")
+        self.GPIO.output(self.RST_PIN, 0)
+        self.GPIO.output(self.DC_PIN, 0)
+
+        self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN])
+
+
+if os.path.exists('/sys/bus/platform/drivers/gpiomem-bcm2835'):
+    implementation = RaspberryPi()
+else:
+    implementation = JetsonNano()
+
+for func in [x for x in dir(implementation) if not x.startswith('_')]:
+    setattr(sys.modules[__name__], func, getattr(implementation, func))
+
+
+### END OF FILE ###