mirror of https://github.com/arendst/Tasmota.git
108 lines
2.9 KiB
Plaintext
108 lines
2.9 KiB
Plaintext
#-------------------------------------------------------------
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- Specialized driver for AXP192 of M5StickC
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-------------------------------------------------------------#
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class AXP192_M5StickC : AXP192
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def init()
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super(self, AXP192).init()
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if self.wire
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# Disable vbus hold limit
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self.write8(0x30, 0x80)
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# lcd backlight voltage was set to 2.80v
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self.set_lcd_voltage(2800)
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# set LDO3 3.0V TFT
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self.set_ldo_voltage(3, 3000)
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# Set ADC sample rate to 200hz
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self.write8(0x84, 0xF2)
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# set charging current to 100mA
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self.set_chg_current(0) # 0 = 100mA
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# esp32 power voltage was set to 3.3v
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self.set_esp_voltage(3300)
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# PEK key parameter setting
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# Current:
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# Boot time setting = 512ms
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# Long press time setting = 1s
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# Automatic shutdown function setting when the key duration is longer than the shutdown duration = turn on
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# PWROK signal delay after power on = 64ms
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# Shutdown duration setting = 4s
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self.write8(0x36, 0x4C)
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# Mic GPIO0 - floating
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self.write8(0x90, 0x07)
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# enable LDO2, LDO3, DCDC1, DCDC3
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self.set_ldo_enable(2, true)
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self.set_ldo_enable(3, true)
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self.set_dcdc_enable(1, true)
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self.set_dcdc_enable(3, true)
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# enable external power on HAT connector (5V)
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self.set_exten(true)
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# Set temperature protection
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self.write8(0x39, 0xFC)
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# Enable RTC BAT charge
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self.write8(0x35, 0xA2)
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# Write1Byte(0x35, 0xa2 & (disableRTC ? 0x7F : 0xFF));
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# Enable bat detection
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self.write8(0x32, 0x46)
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# Set Power off voltage 3.0v
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self.write8(0x31, self.read8(0x31) & 0xF8 | 0x04)
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# ADC all-on
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# Bit 7: Battery voltage ADC enable
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# Bit 6: Battery current ADC enable
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# Bit 5: ACIN voltage ADC enable
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# Bit 4: ACIN current ADC enable
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# Bit 3: VBUS voltage ADC enable
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# Bit 2: VBUS current ADC enable
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# Bit 1: APS voltage ADC enable
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# Bit 0: TS pin ADC function enable
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self.write8(0x82, 0xFF)
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end
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end
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# set ESP voltage on DCDC1
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def set_esp_voltage(voltage)
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if voltage >= 3000 && voltage <= 3400
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self.set_dc_voltage(1, voltage)
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end
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end
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# set LCD backlight voltage on DCDC3
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def set_lcd_voltage(voltage)
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if voltage < 2500 voltage = 2500 end
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if voltage > 3300 voltage = 3300 end
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self.set_ldo_voltage(2, voltage)
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end
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# LCD Controller Reset pin
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def set_lcd_reset(state)
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self.set_ldo_enable(3, state)
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end
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# Dimmer in percentage
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def set_displaydimmer(x)
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var v = tasmota.scale_uint(x, 0, 100, 2500, 3300)
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self.set_lcd_voltage(v)
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end
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# respond to display events
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def display(cmd, idx, payload, raw)
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if cmd == "dim" || cmd == "power"
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self.set_displaydimmer(idx)
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end
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end
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end
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axp = AXP192_M5StickC()
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tasmota.add_driver(axp)
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