/**
******************************************************************************
* @file stm32l021xx.h
* @author MCD Application Team
* @brief CMSIS Cortex-M0+ Device Peripheral Access Layer Header File.
* This file contains all the peripheral register's definitions, bits
* definitions and memory mapping for stm32l021xx devices.
*
* This file contains:
* - Data structures and the address mapping for all peripherals
* - Peripheral's registers declarations and bits definition
* - Macros to access peripheral's registers hardware
*
******************************************************************************
* @attention
*
*
© Copyright(c) 2016 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/** @addtogroup CMSIS
* @{
*/
/** @addtogroup stm32l021xx
* @{
*/
#ifndef __STM32L021xx_H
#define __STM32L021xx_H
#ifdef __cplusplus
extern "C" {
#endif
/** @addtogroup Configuration_section_for_CMSIS
* @{
*/
/**
* @brief Configuration of the Cortex-M0+ Processor and Core Peripherals
*/
#define __CM0PLUS_REV 0U /*!< Core Revision r0p0 */
#define __MPU_PRESENT 0U /*!< STM32L0xx provides no MPU */
#define __VTOR_PRESENT 1U /*!< Vector Table Register supported */
#define __NVIC_PRIO_BITS 2U /*!< STM32L0xx uses 2 Bits for the Priority Levels */
#define __Vendor_SysTickConfig 0U /*!< Set to 1 if different SysTick Config is used */
/**
* @}
*/
/** @addtogroup Peripheral_interrupt_number_definition
* @{
*/
/**
* @brief stm32l021xx Interrupt Number Definition, according to the selected device
* in @ref Library_configuration_section
*/
/*!< 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_IRQn = 11, /*!< DMA1 Channel 4 and Channel 5 Interrupts */
ADC1_COMP_IRQn = 12, /*!< ADC1, COMP1 and COMP2 Interrupts */
LPTIM1_IRQn = 13, /*!< LPTIM1 Interrupt */
TIM2_IRQn = 15, /*!< TIM2 Interrupt */
TIM21_IRQn = 20, /*!< TIM21 Interrupt */
I2C1_IRQn = 23, /*!< I2C1 Interrupt */
SPI1_IRQn = 25, /*!< SPI1 Interrupt */
USART2_IRQn = 28, /*!< USART2 Interrupt */
AES_LPUART1_IRQn = 29, /*!< AES and LPUART1 Interrupts */
} IRQn_Type;
/**
* @}
*/
#include "core_cm0plus.h"
#include "system_stm32l0xx.h"
#include
/** @addtogroup Peripheral_registers_structures
* @{
*/
/**
* @brief Analog to Digital Converter
*/
typedef struct
{
__IO uint32_t ISR; /*!< ADC Interrupt and Status register, Address offset:0x00 */
__IO uint32_t IER; /*!< ADC Interrupt Enable register, Address offset:0x04 */
__IO uint32_t CR; /*!< ADC Control register, Address offset:0x08 */
__IO uint32_t CFGR1; /*!< ADC Configuration register 1, Address offset:0x0C */
__IO uint32_t CFGR2; /*!< ADC Configuration register 2, Address offset:0x10 */
__IO uint32_t SMPR; /*!< ADC Sampling time register, Address offset:0x14 */
uint32_t RESERVED1; /*!< Reserved, 0x18 */
uint32_t RESERVED2; /*!< Reserved, 0x1C */
__IO uint32_t TR; /*!< ADC watchdog threshold register, Address offset:0x20 */
uint32_t RESERVED3; /*!< Reserved, 0x24 */
__IO uint32_t CHSELR; /*!< ADC channel selection register, Address offset:0x28 */
uint32_t RESERVED4[5]; /*!< Reserved, 0x2C */
__IO uint32_t DR; /*!< ADC data register, Address offset:0x40 */
uint32_t RESERVED5[28]; /*!< Reserved, 0x44 - 0xB0 */
__IO uint32_t CALFACT; /*!< ADC data register, Address offset:0xB4 */
} ADC_TypeDef;
typedef struct
{
__IO uint32_t CCR;
} ADC_Common_TypeDef;
/**
* @brief AES hardware accelerator
*/
typedef struct
{
__IO uint32_t CR; /*!< AES control register, Address offset: 0x00 */
__IO uint32_t SR; /*!< AES status register, Address offset: 0x04 */
__IO uint32_t DINR; /*!< AES data input register, Address offset: 0x08 */
__IO uint32_t DOUTR; /*!< AES data output register, Address offset: 0x0C */
__IO uint32_t KEYR0; /*!< AES key register 0, Address offset: 0x10 */
__IO uint32_t KEYR1; /*!< AES key register 1, Address offset: 0x14 */
__IO uint32_t KEYR2; /*!< AES key register 2, Address offset: 0x18 */
__IO uint32_t KEYR3; /*!< AES key register 3, Address offset: 0x1C */
__IO uint32_t IVR0; /*!< AES initialization vector register 0, Address offset: 0x20 */
__IO uint32_t IVR1; /*!< AES initialization vector register 1, Address offset: 0x24 */
__IO uint32_t IVR2; /*!< AES initialization vector register 2, Address offset: 0x28 */
__IO uint32_t IVR3; /*!< AES initialization vector register 3, Address offset: 0x2C */
} AES_TypeDef;
/**
* @brief Comparator
*/
typedef struct
{
__IO uint32_t CSR; /*!< COMP comparator control and status register, Address offset: 0x18 */
} COMP_TypeDef;
typedef struct
{
__IO uint32_t CSR; /*!< COMP control and status register, used for bits common to several COMP instances, Address offset: 0x00 */
} COMP_Common_TypeDef;
/**
* @brief CRC calculation unit
*/
typedef struct
{
__IO uint32_t DR; /*!< CRC Data register, Address offset: 0x00 */
__IO uint8_t IDR; /*!< CRC Independent data register, Address offset: 0x04 */
uint8_t RESERVED0; /*!< Reserved, 0x05 */
uint16_t RESERVED1; /*!< Reserved, 0x06 */
__IO uint32_t CR; /*!< CRC Control register, Address offset: 0x08 */
uint32_t RESERVED2; /*!< Reserved, 0x0C */
__IO uint32_t INIT; /*!< Initial CRC value register, Address offset: 0x10 */
__IO uint32_t POL; /*!< CRC polynomial register, Address offset: 0x14 */
} CRC_TypeDef;
/**
* @brief Debug MCU
*/
typedef struct
{
__IO uint32_t IDCODE; /*!< MCU device ID code, Address offset: 0x00 */
__IO uint32_t CR; /*!< Debug MCU configuration register, Address offset: 0x04 */
__IO uint32_t APB1FZ; /*!< Debug MCU APB1 freeze register, Address offset: 0x08 */
__IO uint32_t APB2FZ; /*!< Debug MCU APB2 freeze register, Address offset: 0x0C */
}DBGMCU_TypeDef;
/**
* @brief DMA Controller
*/
typedef struct
{
__IO uint32_t CCR; /*!< DMA channel x configuration register */
__IO uint32_t CNDTR; /*!< DMA channel x number of data register */
__IO uint32_t CPAR; /*!< DMA channel x peripheral address register */
__IO uint32_t CMAR; /*!< DMA channel x memory address register */
} DMA_Channel_TypeDef;
typedef struct
{
__IO uint32_t ISR; /*!< DMA interrupt status register, Address offset: 0x00 */
__IO uint32_t IFCR; /*!< DMA interrupt flag clear register, Address offset: 0x04 */
} DMA_TypeDef;
typedef struct
{
__IO uint32_t CSELR; /*!< DMA channel selection register, Address offset: 0xA8 */
} DMA_Request_TypeDef;
/**
* @brief External Interrupt/Event Controller
*/
typedef struct
{
__IO uint32_t IMR; /*!