I use tiny4412 development board, LCD touch screen chip is GT911, but RESET pin on the touch screen is not connected to the development board, is in a suspended state, and that the use of touch screen what effect? Or which great god tell me how to initialize the GT911,

CodePudding user response:

GT911 don't need initialization, it is all the configuration are written in the internal FLASH, configuration when the factory according to the size of the configured, at the foot of the reset for low-level hardware will be reset, reset after reading GT911 touch information

CodePudding user response:

Say initialization that is configured GT911 IIC from machine address, GT911 are two different from machine address can be configured, concrete can have a look at the reference manual

CodePudding user response:

Great god said I know, but now the problem is the chip reset the pin, he has no connection to this tiny4412 development board, which I don't understand why the operation

CodePudding user response:

When we do the hardware at the RST feet must be access to the mainboard, on the motherboard do 10 k, low level reduction and effective,

CodePudding user response:

Don't the can IO port, a 10 k resistor string 0.1 uF capacitance, resistance butt VCC, capacitance termination GND, just boot automatically to a reset signal, and then he drove up,
Usually rarely reset, the actual used so no problem,