Zigbee Light Switch Example running with internal RC

Question

Is it possible to run the Zigbee Light Switch example with the internal RC.? 
 On the sdk_config.h I have changed the following: 
 #define NRFX_CLOCK_CONFIG_LF_SRC 0 
 But the device will get stuck at ZB_INIT() call, specifically on this function: 
 
 Any help is most welcome! 
 Thanks

Simonr · Accepted Answer

Hi It should not be an issue using the internal RC oscillator in Zigbee projects. However, you have to do a few more changes in your sdk_config.h file in order to enable the RC oscillator. Please make sure that the following defines are changed to the values below: // CLOCK_CONFIG_LF_SRC - LF Clock Source // <0=> RC // <1=> XTAL // <2=> Synth // <131073=> External Low Swing // <196609=> External Full Swing #ifndef CLOCK_CONFIG_LF_SRC #define CLOCK_CONFIG_LF_SRC 0 #endif // CLOCK_CONFIG_LF_CAL_ENABLED - Calibration enable for LF Clock Source #ifndef CLOCK_CONFIG_LF_CAL_ENABLED #define CLOCK_CONFIG_LF_CAL_ENABLED 1 #endif // CLOCK_CONFIG_IRQ_PRIORITY - Interrupt priority // Priorities 0,2 (nRF51) and 0,1,4,5 (nRF52) are reserved for SoftDevice // <0=> 0 (highest) // <1=> 1 // <2=> 2 // <3=> 3 // <4=> 4 // <5=> 5 // <6=> 6 // <7=> 7 // NRFX_CLOCK_CONFIG_LF_SRC - LF Clock Source // <0=> RC // <1=> XTAL // <2=> Synth // <131073=> External Low Swing // <196609=> External Full Swing #ifndef NRFX_CLOCK_CONFIG_LF_SRC #define NRFX_CLOCK_CONFIG_LF_SRC 1 #endif Best regards, Simon

Zigbee Light Switch Example running with internal RC

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