DAC interface clock cannot be enabled in stm32

[mina_a]

Hi everyone.
I'm trying to test DAC in stm32f103rbt6. I've written a simple program that writes a 12-bit value in DAC_DHR12R1 register. I set the "DACEN" bit in the "RCC_APB1ENR" register to enable DAC interface clock, but when i debugged the program and saw the RCC registers, i found that DAC interface clock was not enabled.
I've tried to set other bits in "RCC_APB1ENR" register, like "TIM2EN" or "PWREN" bits, and all of them were set after debugging. I don't know what the problem is.
Do i need to set another bit before setting "DACEN" to enable DAC interface clock?
I've attached my code.
Thanks for your help.View attachment DAC.txt

 

[Jinzpaul4u]

Hello there,

Just check that GPIOA clock is enabled as done for DAC using
RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);

Best regards,

 

[mithun mohan]

Try resetting the module clock(DAC) and release that from reset before enabling the module clock

APB1 peripheral reset register (RCC_APB1RSTR)

just give a try..