ST STM32L0x3 User Manual

RM0367 Rev 7 993/1043
RM0367 Code examples
1020
- (int32_t) *TEMP30_CAL_ADDR );
temperature = temperature * (int32_t)(130 - 30);
temperature = temperature / (int32_t)(*TEMP130_CAL_ADDR -
*TEMP30_CAL_ADDR);
temperature = temperature + 30;
return(temperature);
}
A.9 DAC
A.9.1 Independent trigger without wave generation code example
/* (1) Enable the peripheral clock of the DAC */
/* (2) Configure WAVE1 at 01 and LFSR mask amplitude (MAMP1)
at 1000 for a 511-bits amplitude,
enable the DAC ch1,
disable buffer on ch1,
and select TIM6 as trigger by keeping 000 in TSEL1 */
RCC->APB1ENR |= RCC_APB1ENR_DACEN; /* (1) */
DAC->CR |= DAC_CR_WAVE1_0 | DAC_CR_MAMP1_3 \
| DAC_CR_BOFF1 | DAC_CR_TEN1 | DAC_CR_EN1; /* (2) */
DAC->DHR12R1 = DAC_OUT1_VALUE; /* Initialize the DAC output value */
A.9.2 Independent trigger with single triangle generation code example
/* (1) Enable the peripheral clock of the DAC */
/* (2) Configure WAVE1 at 10 and LFSR mask amplitude (MAMP1)
at 1001 for a 1023-bits amplitude,
enable the DAC ch1,
disable buffer on ch1,
and select TIM6 as trigger by keeping 000 in TSEL1 */
RCC->APB1ENR |= RCC_APB1ENR_DACEN; /* (1) */
DAC->CR |= DAC_CR_WAVE1_1 | DAC_CR_MAMP1_3 | DAC_CR_MAMP1_0 \
| DAC_CR_BOFF1 | DAC_CR_TEN1 | DAC_CR_EN1; /* (2) */
DAC->DHR12R1 = DAC_OUT1_VALUE; /* Define the low value of the triangle on
channel1 */
A.9.3 DMA initialization code example
/* (1) Enable the peripheral clock of the DAC */
/* (2) Enable DMA transfer on DAC ch1,
enable interrupt on DMA underrun DAC,
enable the DAC ch1, enable the trigger on ch 1,
disable the buffer on ch1,
and select TIM6 as trigger by keeping 000 in TSEL1 */
RCC->APB1ENR |= RCC_APB1ENR_DACEN; /* (1) */

ST STM32L0x3 Specifications

General

Brand	ST
Model	STM32L0x3
Category	Microcontrollers
Language	English