mirror of https://github.com/arendst/Tasmota.git
29 lines
649 B
Plaintext
29 lines
649 B
Plaintext
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#
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# H_bridge class in Berry to pilot a H-bridge device
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#
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class H_bridge
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var gpio1, gpio2
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var max
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# init(phy_gpio1, phy_gpio2) - intialize H-bridge with the 2 GPIOs used to control it
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def init(gpio1, gpio2)
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self.gpio1 = gpio1
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self.gpio2 = gpio2
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self.max = 1023 # max value of duty
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end
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# set the value of both PWM values
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def set(v1, v2)
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if v1 < 0 v1 = 0 end
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if v2 < 0 v2 = 0 end
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if v1 + v2 > self.max
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raise "value_error", "the sum of duties must not exceed 100%"
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end
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import gpio
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gpio.set_pwm(self.gpio1, v1, 0)
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gpio.set_pwm(self.gpio2, v2, v1) # dephase by value v1
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end
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end
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