我在编写ESP8266硬件定时器相关的程序时,发现驱动hw_timer.c文件中没有关闭硬件定时器的函数,然后查阅芯片寄存器手册,自己编写了一个hw_timer的开启和关闭的函数,函数如下: 参数说明:当cmd=0时,关闭hw_timer; cmd=1时,开启定时器。 void hw_timer_cmd( uint8 cmd ) { uint32 ReadValue , Value; ReadValue = RTC_REG_READ(FRC1_CTRL_ADDRESS); if( cmd == 0 ) { Value = ReadValue & ( ~FRC1_ENABLE_TIMER ); } else { Value = ReadValue | FRC1_ENABLE_TIMER; } RTC_REG_WRITE( FRC1_CTRL_ADDRESS , Value ); } |