mirror of https://github.com/arendst/Tasmota.git
152 lines
4.4 KiB
Plaintext
152 lines
4.4 KiB
Plaintext
#-------------------------------------------------------------
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- Specialized driver for AXP192 of M5Stack Tough
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-------------------------------------------------------------#
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class AXP192_M5Stack_Tough : AXP192
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def init()
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super(self).init()
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if self.wire
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self.touch_reset(false)
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# Disable vbus hold limit
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self.write8(0x30, self.read8(0x30) & 0x04 | 0x02)
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# AXP192 GPIO1:OD OUTPUT
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self.write8(0x92, self.read8(0x92) & 0xF8)
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# AXP192 GPIO2:OD OUTPUT
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self.write8(0x93, self.read8(0x93) & 0xF8)
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# AXP192 RTC CHG rtc battery charging enabled
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self.write8(0x35, self.read8(0x35) & 0x1C | 0xA2)
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# esp32 power voltage was set to 3.35v
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self.set_esp_voltage(3350)
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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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# lcd logic and sdcard voltage preset to 3.3v
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self.set_ldo_voltage(2, 3300)
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# LCD backlight
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self.set_ldo_voltage(3, 3000)
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# turn on logic and sdcard
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self.set_ldo_enable(2, true)
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# turn on lcd backlight
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self.set_ldo_enable(3, true)
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self.touch_reset(true)
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# set charging current to 100mA
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self.set_chg_current(0) # 0 = 100mA
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# AXP192 GPIO4 - TBC what this does really?
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self.write8(0x95, self.read8(0X95) & 0x72 | 0x84)
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# Button parameter setting
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# Current:
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# Boot time = 512ms
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# Long key 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(0x34, 0x4C)
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# parameter buttons
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# Start time: 512ms
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# Long press: 1s
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# Set the automatic shutdown function when the key-press duration is longer than the shutdown duration: True
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# PWROK signal delay after power on: 64ms
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# Shutdown time setting: 4s
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self.write8(0x36, 0x4C)
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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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# Reset LCD Controller
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self.set_lcd_reset(false)
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tasmota.delay(100) # wait for 100ms
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self.set_lcd_reset(true)
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tasmota.delay(100) # wait for 100ms
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# Indicates whether the voltage of VBUS is higher than VHOLD when the external power supply VBUS is connected
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if self.read8(0x00) & 0x08
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self.write_bit(0x30, 7, true)
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# if v-bus can use, disable M-Bus 5V output to input
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self.set_buf_power_mode(true)
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else
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self.set_buf_power_mode(false)
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end
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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(0, 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_dc_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.write_gpio(4, state)
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end
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# Speaker enable
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def set_speaker_enable(state)
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self.write_gpio(2, state)
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end
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# Bus Power Mode
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def set_buf_power_mode(state)
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if (state)
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self.write8(0x12, self.read8(0x12) & 0xBF) # set EXTEN to disable 5v boost
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self.write8(0x90, self.read8(0x90) & 0xF8 | 0x01) # set GPIO0 to float, using enternal pulldown resistor to enable supply from BUS_5VS
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else
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self.write8(0x91, self.read8(0x91) & 0x0F | 0xF0)
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self.write8(0x90, self.read8(0x90) & 0xF8 | 0x02) # set GPIO0 to LDO OUTPUT , pullup N_VBUSEN to disable supply from BUS_5V
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self.write8(0x12, self.read8(0x12) | 0x40) # set EXTEN to enable 5v boost
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end
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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_ldo_voltage(3, 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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# Touch Panel reset pin
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def touch_reset(state)
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self.write_gpio(1, state)
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end
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end
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axp = AXP192_M5Stack_Tough()
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tasmota.add_driver(axp)
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