Have LCD normal LCD display no warning program compiled

CodePudding user response:

Written warning clearly, LCD_CHECK_BUSY didn't call, the original poster again carefully check code,

CodePudding user response:

Control the IO signal didn't sent out

CodePudding user response:

reference wild goose tower on the second floor of vegetable farmers reply:

control IO signal didn't send

where should this change

CodePudding user response:

reference 1/f, a tree may reply:

warning write very clear, LCD_CHECK_BUSY didn't call, the original poster again carefully check code,

the same code in someone else's software

CodePudding user response:

STC15 try to 12 t model, 1 t words need to modify the port operation to meet the acceptance time sequence

CodePudding user response:

reference 5 floor zgl7903 reply:

STC15 try to 12 t model, 1 t to acceptance of the need to modify the port operation time in order to meet the timing

tried or not

CodePudding user response:

Whether to need to adjust the contrast?

CodePudding user response:

refer to 7th floor zgl7903 response:

need to adjust the contrast?

where contrast is adjusted?

CodePudding user response:

refer to the eighth floor Zhu Jiayi response:

Quote: refer to 7th floor zgl7903 response:

need to adjust the contrast?

where contrast is adjusted?

Pick up a pin slide rheostat to contrast