When I switch HSI to LSE using IAR, there is always an error that "Failed to get execution status: SWIM error [30004]: Comm timeout"There is switch function:void HSI_TO_LSE(void){   if(CLK_SCSR!=0x08)    // if LSE is not selected as the system clock ...

The following is the main.cIt's a simple demo for RTC display on LCD. The second run correctly, which means the system and RTC clock set correctly. However, the minute does not change when the second runs a circle (60s). Do I set the registers incor...