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In case you are using 1 pin Emulation POD USB with ISO you can speed up theĬommunication by doing the following: Select Device Manager and expand the Return 1 // non zero will initialize data segment The code for disabling the WDT in the low_level_init()įunction which is called from the cstartup code: This can be done in main,īut in some cases this might be too late. Unexpected behavior, such as that the disassembly windowĭisplays data space instead of code space, due to the The watchdog timer (WDT) is by default on, which could cause Silicon Labs 2-wire interface must be used. When debugging C8051F3xx/F4xx/F5xx/F7xx/F8xx/F9xx devices the This driver is for the Silicon Labs USB Debug Adapter (UDA). Puts the device into sleep mode before you debug it. To avoid this, make sure to deactivate code which Loose the communication with hardware thus making the debuggingĮrror-prone. Power (sleep) mode, be aware that the debugger will then In a debug scenario where the device is put into low This is because theĬPU is paused when performing memory accesses during execution.
IAR 8051 SWAT UPDATE
The real-time behavior of the application being debugged might be affected if Live update isĮnabled in the Memory window or if the Live Watch window is open. Update intervals are configured in the IDE options. The responsiveness of the graphical user interface might be affected in a negative way if too small If Live update is enabled in the Memory window or if the Live Watch window is open,
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IAR 8051 SWAT INSTALL
To be able to use this C-SPY debugger driver, you must install theĪppropriate J-Link hardware drivers. IAR Embedded Workbench built on IDE version 8.1 or later.
IAR 8051 SWAT DRIVERS
IAR 8051 SWAT HOW TO
Refer to the manual for details on how to build MOV TH1, #01H sets the value of 01H in the lower bit of timer 1īACK: JNB TF1, BACK checks the TF1 flag in TCON register continuously to know if overflow has occurred or notĬLR TR1 clears TR1 flag to stop the timerĬLR TF1 clears overflow bit as the timer is resetĭJNZ R3, AGAIN keeps looping the statements after again keyword till the value in R3 reduces to 0.The IAR C-SPY ROM-monitor for 8051 is a modular monitor designed to work with a MOV R3, #200H used as a counter to create a delay of 14 secondsĪGAIN : MOVTL1, #08H sets the value of 08H in the lower bit of timer 1 and the again keyword helps to create a loop. This instruction clears the carry flag as well 3 bytes 24 clock cycles Unaffected Unaffected Unaffected Example MOV TMOD, #10H The value 10H is 00010000B and selects mode 1 of timer 1 3 bytes 24 clock cycles Unaffected Unaffected Unaffected JBC Address, Address This instruction transfers the control to the destination address if the source address has the bit 1. 3 bytes 24 clock cycles Unaffected Unaffected Unaffected JB Address, Address This instruction transfers the control to the destination address if the source address has the bit 1. 2 bytes 24 clock cycles Unaffected Unaffected Unaffected JNB Address, Address This instruction transfers the control to the destination address if the source address has the bit 0. 2 bytes 24 clock cycles Unaffected Unaffected Unaffected JNC Address/label This instruction transfers the control to the specified address/label if the carry flag has the value 0. Execution Time Flags affected Carry Overflow Auxilary carry JC Address/label This instruction transfers the control to the specified address/label if the carry flag has the value 1.