int main(void)
{
CHIP_Init();
/*Turn on the DAC clock*/
CMU_ClockEnable(cmuClock_DAC0, true);
/*Define the configuration for OPA0 and OPA1*/
OPAMP_Init_TypeDef configuration0 = OPA_INIT_DIFF_DRIVER_OPA0;
OPAMP_Init_TypeDef configuration1 = OPA_INIT_DIFF_DRIVER_OPA1;
/*Enable the opamps*/
OPAMP_Enable(DAC0, OPA0, &configuration0);
OPAMP_Enable(DAC0, OPA1, &configuration1);
/*Never end*/
while(1);
}
int main(void)
{
CHIP_Init();
CMU_ClockEnable(cmuClock_DAC0, true);
/*Define the configuration for OPA2*/
//OPAMP_Init_TypeDef configuration = OPA_INIT_UNITY_GAIN_OPA2;
OPAMP_Init_TypeDef configuration1 = OPA_INIT_NON_INVERTING_OPA2;
OPAMP_Init_TypeDef configuration2 = OPA_INIT_NON_INVERTING;
OPAMP_Enable(DAC0, OPA2, &configuration1);
OPAMP_Enable(DAC0, OPA0, &configuration2);
/*Never end*/
while(1) {
led = !led;
wait(0.5);
};
}
int main(void)
{
CHIP_Init();
/*Turn on the DAC clock.*/
CMU_ClockEnable(cmuClock_DAC0, true);
/*configure and enable the DAC.*/
DAC_setup();
DAC_Enable(DAC0, 0, true);
/*Write data to registers. V1 = 1.0*/
DAC0->CH0DATA = (uint32_t)((1.0 * 4096) / 3.3);
/*configure OPA0, OPA1 and OPA2.*/
OPAMP_Init_TypeDef configuration0 = OPA_INIT_DIFF_RECEIVER_OPA0 ;
OPAMP_Init_TypeDef configuration2 = OPA_INIT_DIFF_RECEIVER_OPA2 ;
/*Redefine the resistances. Want to divide the difference by 3.*/
configuration2.resSel = opaResSelDefault;
configuration0.resSel = opaResSelR2eq3R1;
/*OPA2 positive input = VSS*/
configuration2.resInMux = opaResInMuxVss;
/*Enable OPA0 and OPA2. All the configurations are set.*/
OPAMP_Enable(DAC0, OPA0, &configuration0);
OPAMP_Enable(DAC0, OPA2, &configuration2);
/*Disable OPA0. This is done because we want to use OPA0 as a part of the DAC.
The configurations set above are still there.*/
DAC0->OPACTRL &= ~DAC_OPACTRL_OPA0EN;
/*Never end.*/
while(1);
}
int main(void)
{
CHIP_Init();
/*Turn on the DAC clock*/
CMU_ClockEnable(cmuClock_DAC0, true);
/*Define the configuration for OPA2*/
OPAMP_Init_TypeDef configuration = OPA_INIT_UNITY_GAIN_OPA2;
/*Enable OPA2*/
OPAMP_Enable(DAC0, OPA2, &configuration);
/*Never end*/
while(1);
}
