В stm32l051xx.h описаны источники прерываний:
/*!< Interrupt Number Definition */
typedef enum
{
/****** Cortex-M0 Processor Exceptions Numbers ******************************************************/
NonMaskableInt_IRQn = -14, /*!< 2 Non Maskable Interrupt */
HardFault_IRQn = -13, /*!< 3 Cortex-M0+ Hard Fault Interrupt */
SVC_IRQn = -5, /*!< 11 Cortex-M0+ SV Call Interrupt */
PendSV_IRQn = -2, /*!< 14 Cortex-M0+ Pend SV Interrupt */
SysTick_IRQn = -1, /*!< 15 Cortex-M0+ System Tick Interrupt */
/****** STM32L-0 specific Interrupt Numbers *********************************************************/
WWDG_IRQn = 0, /*!< Window WatchDog Interrupt */
PVD_IRQn = 1, /*!< PVD through EXTI Line detect Interrupt */
RTC_IRQn = 2, /*!< RTC through EXTI Line Interrupt */
FLASH_IRQn = 3, /*!< FLASH Interrupt */
RCC_IRQn = 4, /*!< RCC Interrupt */
EXTI0_1_IRQn = 5, /*!< EXTI Line 0 and 1 Interrupts */
EXTI2_3_IRQn = 6, /*!< EXTI Line 2 and 3 Interrupts */
EXTI4_15_IRQn = 7, /*!< EXTI Line 4 to 15 Interrupts */
DMA1_Channel1_IRQn = 9, /*!< DMA1 Channel 1 Interrupt */
DMA1_Channel2_3_IRQn = 10, /*!< DMA1 Channel 2 and Channel 3 Interrupts */
DMA1_Channel4_5_6_7_IRQn = 11, /*!< DMA1 Channel 4, Channel 5, Channel 6 and Channel 7 Interrupts */
ADC1_COMP_IRQn = 12, /*!< ADC1, COMP1 and COMP2 Interrupts */
LPTIM1_IRQn = 13, /*!< LPTIM1 Interrupt */
TIM2_IRQn = 15, /*!< TIM2 Interrupt */
TIM6_IRQn = 17, /*!< TIM6 Interrupt */
TIM21_IRQn = 20, /*!< TIM21 Interrupt */
TIM22_IRQn = 22, /*!< TIM22 Interrupt */
I2C1_IRQn = 23, /*!< I2C1 Interrupt */
I2C2_IRQn = 24, /*!< I2C2 Interrupt */
SPI1_IRQn = 25, /*!< SPI1 Interrupt */
SPI2_IRQn = 26, /*!< SPI2 Interrupt */
USART1_IRQn = 27, /*!< USART1 Interrupt */
USART2_IRQn = 28, /*!< USART2 Interrupt */
LPUART1_IRQn = 29, /*!< LPUART1 Interrupt */
} IRQn_Type;
Я правильно понимаю, что в регистрах NVIC -- ISER, ICER, ISPR, ICPR каждый источник занимает место согласно его номеру. То есть LPUART1_IRQn это бит 29. И т.п.
Но где это написано, в каком документе? И в core_cm0plus.h нет конкретных имён.
