MT2503 CTP IT7258调试亮屏和灭屏时I2C有时钟信号,但亮屏进入正常界面无中断响就应
时间:10-02
整理:3721RD
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用示波器测出灭屏时CTP的I2C的scl、sda波形正常,但正常界面触屏时无中断信号
CTP_I2C_configure(CTP_SLAVE_ADDR, CTP_DELAY_TIME);
ctp_ITE_7258AX_power(KAL_TRUE);
eint_handle = DclGPIO_Open(DCL_GPIO, gpio_ctp_eint_pin);
reset_handle = DclGPIO_Open(DCL_GPIO, gpio_ctp_reset_pin);//此两处GPIO参考其它pin若减去0x80却没有上面描述的现象
CTP_I2C_configure(CTP_SLAVE_ADDR, CTP_DELAY_TIME);
ctp_ITE_7258AX_power(KAL_TRUE);
eint_handle = DclGPIO_Open(DCL_GPIO, gpio_ctp_eint_pin);
reset_handle = DclGPIO_Open(DCL_GPIO, gpio_ctp_reset_pin);//此两处GPIO参考其它pin若减去0x80却没有上面描述的现象