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Hi, guys, I cannot seem to be able to stop the watchdog on the Energia + MSP432 combo. (MSP-EXP432P401R Rev 1.0 + Energia 0101E0016 on Win7-64bit) // My minimal code buzzes the red led at 2MHz: #include "msp432p401r.h" void setup() { WDTCTL = WDTPW | WDTHOLD; // Stop WDT pinMode(RED_LED, OUTPUT); // configure pin } void loop() { while (1) { P2OUT ^= 0x01; P2OUT ^= 0x01; // flip pin twice }; } The 2MHz output signal freezes for 12us in either "1" or "0" state every 1ms. WDTHOLD bit does not help (in fact, any WDTCTL actions seem to be ignored). Cross testing done: - TI CCS Cloud correctly builds C code for same MSP-EXP432 board (i.e. WDTCTL line does make a difference there) - Same Energia IDE correctly builds equivalent code for a MSP-EXP430G2 /2452 board (WDTCTL line again does make a difference). (In addition, if it matters: pure C compiling in Energia as per https://bennthomsen.wordpress.com/engineering-toolbox/ti-msp430-launchpad/using-energia-to-code-in-c/ does not work for the 432 (compiles and flashes OK, but board remains dead) while it does work for a plain ol' 430 board.) There, hope there's enough data. Any ideas? Thanks a lot! Matjaz
