Move class

oldLib/PCA9685.py

@@ -1,76 +0,0 @@
-#!/usr/bin/python
-
-import time
-import math
-import smbus
-
-
-# ============================================================================
-# Raspi PCA9685 16-Channel PWM Servo Driver
-# ============================================================================
-
-class PCA9685:
-    # Registers/etc.
-    __SUBADR1 = 0x02
-    __SUBADR2 = 0x03
-    __SUBADR3 = 0x04
-    __MODE1 = 0x00
-    __PRESCALE = 0xFE
-    __LED0_ON_L = 0x06
-    __LED0_ON_H = 0x07
-    __LED0_OFF_L = 0x08
-    __LED0_OFF_H = 0x09
-    __ALLLED_ON_L = 0xFA
-    __ALLLED_ON_H = 0xFB
-    __ALLLED_OFF_L = 0xFC
-    __ALLLED_OFF_H = 0xFD
-
-    def __init__(self, address=0x40, debug=False):
-        self.bus = smbus.SMBus(1)
-        self.address = address
-        self.debug = debug
-        self.write(self.__MODE1, 0x00)
-
-    def write(self, reg, value):
-        "Writes an 8-bit value to the specified register/address"
-        self.bus.write_byte_data(self.address, reg, value)
-
-    def read(self, reg):
-        "Read an unsigned byte from the I2C device"
-        result = self.bus.read_byte_data(self.address, reg)
-        return result
-
-    def setPWMFreq(self, freq):
-        "Sets the PWM frequency"
-        prescaleval = 25000000.0  # 25MHz
-        prescaleval /= 4096.0  # 12-bit
-        prescaleval /= float(freq)
-        prescaleval -= 1.0
-        prescale = math.floor(prescaleval + 0.5)
-
-        oldmode = self.read(self.__MODE1);
-        newmode = (oldmode & 0x7F) | 0x10  # sleep
-        self.write(self.__MODE1, newmode)  # go to sleep
-        self.write(self.__PRESCALE, int(math.floor(prescale)))
-        self.write(self.__MODE1, oldmode)
-        time.sleep(0.005)
-        self.write(self.__MODE1, oldmode | 0x80)
-
-    def setPWM(self, channel, on, off):
-        "Sets a single PWM channel"
-        self.write(self.__LED0_ON_L + 4 * channel, on & 0xFF)
-        self.write(self.__LED0_ON_H + 4 * channel, on >> 8)
-        self.write(self.__LED0_OFF_L + 4 * channel, off & 0xFF)
-        self.write(self.__LED0_OFF_H + 4 * channel, off >> 8)
-
-    def setMotorPwm(self, channel, duty):
-        self.setPWM(channel, 0, duty)
-
-    def setServoPulse(self, channel, pulse):
-        "Sets the Servo Pulse,The PWM frequency must be 50HZ"
-        pulse = pulse * 4096 / 20000  # PWM frequency is 50HZ,the period is 20000us
-        self.setPWM(channel, 0, int(pulse))
-
-
-if __name__ == '__main__':
-    pass