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Bootstrap and definition library for programming STM32L100RC in ARM assembler. This was a class project to learn ARM assembly
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stm32l100-asm-bootstrap/stm32l100/lib/INI_RCC.s

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Source import
9 years ago
;********************************************************************************
Converted part of header comments to english, changed license text
9 years ago
; FILE : INI_RCC.S
; AUTHOR : Petr Dousa, Ondrej Hruska
; DATE : 10/2015
Converted library files DESC to english
9 years ago
; DESCR : Control registers and bit masks for RCC (clock sources config)
Source import
9 years ago
;
Converted all _BITS to peripheral module files. Added TODO about missing registers.
9 years ago
; Reset and Clock Control (RCC)
;
Converted part of header comments to english, changed license text
9 years ago
; Part of an assembler library for STM32L100, based on the STM32 CMSIS.
; Developed for educational purposes at the Department of Measure of CTU in Prague.
; See the LICENSE file for detailed terms of use.
Source import
9 years ago
;********************************************************************************
Converted all _BITS to peripheral module files. Added TODO about missing registers.
9 years ago
;****************************************************************************
;*
;* REGISTERS
;*
;****************************************************************************
; RCC registers
RCC_CR EQU (_RCC + 0x00) ; RCC clock control register,
RCC_ICSCR EQU (_RCC + 0x04) ; RCC Internal clock sources calibration register,
RCC_CFGR EQU (_RCC + 0x08) ; RCC Clock configuration register,
RCC_CIR EQU (_RCC + 0x0C) ; RCC Clock interrupt register,
RCC_AHBRSTR EQU (_RCC + 0x10) ; RCC AHB peripheral reset register,
RCC_APB2RSTR EQU (_RCC + 0x14) ; RCC APB2 peripheral reset register,
RCC_APB1RSTR EQU (_RCC + 0x18) ; RCC APB1 peripheral reset register,
RCC_AHBENR EQU (_RCC + 0x1C) ; RCC AHB peripheral clock enable register,
RCC_APB2ENR EQU (_RCC + 0x20) ; RCC APB2 peripheral clock enable register,
RCC_APB1ENR EQU (_RCC + 0x24) ; RCC APB1 peripheral clock enable register,
RCC_AHBLPENR EQU (_RCC + 0x28) ; RCC AHB peripheral clock enable in low power mode register,
RCC_APB2LPENR EQU (_RCC + 0x2C) ; RCC APB2 peripheral clock enable in low power mode register,
RCC_APB1LPENR EQU (_RCC + 0x30) ; RCC APB1 peripheral clock enable in low power mode register,
RCC_CSR EQU (_RCC + 0x34) ; RCC Control/status register,
Source import
9 years ago
;****************************************************************************
Converted all _BITS to peripheral module files. Added TODO about missing registers.
9 years ago
;*
;* BIT MASKS AND DEFINITIONS
;*
Source import
9 years ago
;****************************************************************************
Converted all _BITS to peripheral module files. Added TODO about missing registers.
9 years ago
Source import
9 years ago
;******************* Bit definition for RCC_CR register *******************
RCC_CR_HSION EQU 0x00000001 ; Internal High Speed clock enable
RCC_CR_HSIRDY EQU 0x00000002 ; Internal High Speed clock ready flag
RCC_CR_MSION EQU 0x00000100 ; Internal Multi Speed clock enable
RCC_CR_MSIRDY EQU 0x00000200 ; Internal Multi Speed clock ready flag
RCC_CR_HSEON EQU 0x00010000 ; External High Speed clock enable
RCC_CR_HSERDY EQU 0x00020000 ; External High Speed clock ready flag
RCC_CR_HSEBYP EQU 0x00040000 ; External High Speed clock Bypass
RCC_CR_PLLON EQU 0x01000000 ; PLL enable
RCC_CR_PLLRDY EQU 0x02000000 ; PLL clock ready flag
RCC_CR_CSSON EQU 0x10000000 ; Clock Security System enable
RCC_CR_RTCPRE EQU 0x60000000 ; RTC/LCD Prescaler
; prescaler levels
RCC_CR_RTCPRE_DIV2 EQU 0x00000000
RCC_CR_RTCPRE_DIV4 EQU 0x20000000
RCC_CR_RTCPRE_DIV8 EQU 0x40000000
RCC_CR_RTCPRE_DIV16 EQU 0x60000000
;******************* Bit definition for RCC_ICSCR register ****************
RCC_ICSCR_HSICAL EQU 0x000000FF ; Internal High Speed clock Calibration
RCC_ICSCR_HSITRIM EQU 0x00001F00 ; Internal High Speed clock trimming
RCC_ICSCR_MSIRANGE EQU 0x0000E000 ; Internal Multi Speed clock Range
RCC_ICSCR_MSIRANGE_0 EQU 0x00000000 ; Internal Multi Speed clock Range 65.536 KHz
RCC_ICSCR_MSIRANGE_1 EQU 0x00002000 ; Internal Multi Speed clock Range 131.072 KHz
RCC_ICSCR_MSIRANGE_2 EQU 0x00004000 ; Internal Multi Speed clock Range 262.144 KHz
RCC_ICSCR_MSIRANGE_3 EQU 0x00006000 ; Internal Multi Speed clock Range 524.288 KHz
RCC_ICSCR_MSIRANGE_4 EQU 0x00008000 ; Internal Multi Speed clock Range 1.048 MHz
RCC_ICSCR_MSIRANGE_5 EQU 0x0000A000 ; Internal Multi Speed clock Range 2.097 MHz
RCC_ICSCR_MSIRANGE_6 EQU 0x0000C000 ; Internal Multi Speed clock Range 4.194 MHz
RCC_ICSCR_MSICAL EQU 0x00FF0000 ; Internal Multi Speed clock Calibration
RCC_ICSCR_MSITRIM EQU 0xFF000000 ; Internal Multi Speed clock trimming
;******************* Bit definition for RCC_CFGR register *****************
RCC_CFGR_SW EQU 0x00000003 ; SW[1:0] bits (System clock Switch)
; SW configuration
RCC_CFGR_SW_MSI EQU 0x00000000 ; MSI selected as system clock
RCC_CFGR_SW_HSI EQU 0x00000001 ; HSI selected as system clock
RCC_CFGR_SW_HSE EQU 0x00000002 ; HSE selected as system clock
RCC_CFGR_SW_PLL EQU 0x00000003 ; PLL selected as system clock
RCC_CFGR_SWS EQU 0x0000000C ; SWS[1:0] bits (System Clock Switch Status)
; SWS configuration
RCC_CFGR_SWS_MSI EQU 0x00000000 ; MSI oscillator used as system clock
RCC_CFGR_SWS_HSI EQU 0x00000004 ; HSI oscillator used as system clock
RCC_CFGR_SWS_HSE EQU 0x00000008 ; HSE oscillator used as system clock
RCC_CFGR_SWS_PLL EQU 0x0000000C ; PLL used as system clock
RCC_CFGR_HPRE EQU 0x000000F0 ; HPRE[3:0] bits (AHB prescaler)
; HPRE configuration
RCC_CFGR_HPRE_DIV1 EQU 0x00000000 ; SYSCLK not divided
RCC_CFGR_HPRE_DIV2 EQU 0x00000080 ; SYSCLK divided by 2
RCC_CFGR_HPRE_DIV4 EQU 0x00000090 ; SYSCLK divided by 4
RCC_CFGR_HPRE_DIV8 EQU 0x000000A0 ; SYSCLK divided by 8
RCC_CFGR_HPRE_DIV16 EQU 0x000000B0 ; SYSCLK divided by 16
RCC_CFGR_HPRE_DIV64 EQU 0x000000C0 ; SYSCLK divided by 64
RCC_CFGR_HPRE_DIV128 EQU 0x000000D0 ; SYSCLK divided by 128
RCC_CFGR_HPRE_DIV256 EQU 0x000000E0 ; SYSCLK divided by 256
RCC_CFGR_HPRE_DIV512 EQU 0x000000F0 ; SYSCLK divided by 512
RCC_CFGR_PPRE1 EQU 0x00000700 ; PRE1[2:0] bits (APB1 prescaler)
; PPRE1 configuration
RCC_CFGR_PPRE1_DIV1 EQU 0x00000000 ; HCLK not divided
RCC_CFGR_PPRE1_DIV2 EQU 0x00000400 ; HCLK divided by 2
RCC_CFGR_PPRE1_DIV4 EQU 0x00000500 ; HCLK divided by 4
RCC_CFGR_PPRE1_DIV8 EQU 0x00000600 ; HCLK divided by 8
RCC_CFGR_PPRE1_DIV16 EQU 0x00000700 ; HCLK divided by 16
RCC_CFGR_PPRE2 EQU 0x00003800 ; PRE2[2:0] bits (APB2 prescaler)
; PPRE2 configuration
RCC_CFGR_PPRE2_DIV1 EQU 0x00000000 ; HCLK not divided
RCC_CFGR_PPRE2_DIV2 EQU 0x00002000 ; HCLK divided by 2
RCC_CFGR_PPRE2_DIV4 EQU 0x00002800 ; HCLK divided by 4
RCC_CFGR_PPRE2_DIV8 EQU 0x00003000 ; HCLK divided by 8
RCC_CFGR_PPRE2_DIV16 EQU 0x00003800 ; HCLK divided by 16
; PLL entry clock source
RCC_CFGR_PLLSRC EQU 0x00010000 ; PLL entry clock source
RCC_CFGR_PLLSRC_HSI EQU 0x00000000 ; HSI as PLL entry clock source
RCC_CFGR_PLLSRC_HSE EQU 0x00010000 ; HSE as PLL entry clock source
RCC_CFGR_PLLMUL EQU 0x003C0000 ; PLLMUL[3:0] bits (PLL multiplication factor)
; PLLMUL configuration
RCC_CFGR_PLLMUL3 EQU 0x00000000 ; PLL input clock * 3
RCC_CFGR_PLLMUL4 EQU 0x00040000 ; PLL input clock * 4
RCC_CFGR_PLLMUL6 EQU 0x00080000 ; PLL input clock * 6
RCC_CFGR_PLLMUL8 EQU 0x000C0000 ; PLL input clock * 8
RCC_CFGR_PLLMUL12 EQU 0x00100000 ; PLL input clock * 12
RCC_CFGR_PLLMUL16 EQU 0x00140000 ; PLL input clock * 16
RCC_CFGR_PLLMUL24 EQU 0x00180000 ; PLL input clock * 24
RCC_CFGR_PLLMUL32 EQU 0x001C0000 ; PLL input clock * 32
RCC_CFGR_PLLMUL48 EQU 0x00200000 ; PLL input clock * 48
; PLLDIV configuration
RCC_CFGR_PLLDIV EQU 0x00C00000 ; PLLDIV[1:0] bits (PLL Output Division)
; PLLDIV configuration
RCC_CFGR_PLLDIV1 EQU 0x00000000 ; PLL clock output = CKVCO / 1
RCC_CFGR_PLLDIV2 EQU 0x00400000 ; PLL clock output = CKVCO / 2
RCC_CFGR_PLLDIV3 EQU 0x00800000 ; PLL clock output = CKVCO / 3
RCC_CFGR_PLLDIV4 EQU 0x00C00000 ; PLL clock output = CKVCO / 4
RCC_CFGR_MCOSEL EQU 0x07000000 ; MCO[2:0] bits (Microcontroller Clock Output)
; MCO configuration
RCC_CFGR_MCO_NOCLOCK EQU 0x00000000 ; No clock
RCC_CFGR_MCO_SYSCLK EQU 0x01000000 ; System clock selected
RCC_CFGR_MCO_HSI EQU 0x02000000 ; Internal 16 MHz RC oscillator clock selected
RCC_CFGR_MCO_MSI EQU 0x03000000 ; Internal Medium Speed RC oscillator clock selected
RCC_CFGR_MCO_HSE EQU 0x04000000 ; External 1-25 MHz oscillator clock selected
RCC_CFGR_MCO_PLL EQU 0x05000000 ; PLL clock divided
RCC_CFGR_MCO_LSI EQU 0x06000000 ; LSI selected
RCC_CFGR_MCO_LSE EQU 0x07000000 ; LSE selected
RCC_CFGR_MCOPRE EQU 0x70000000 ; MCOPRE[2:0] bits (Microcontroller Clock Output Prescaler)
; MCO Prescaler configuration
RCC_CFGR_MCO_DIV1 EQU 0x00000000 ; MCO Clock divided by 1
RCC_CFGR_MCO_DIV2 EQU 0x10000000 ; MCO Clock divided by 2
RCC_CFGR_MCO_DIV4 EQU 0x20000000 ; MCO Clock divided by 4
RCC_CFGR_MCO_DIV8 EQU 0x30000000 ; MCO Clock divided by 8
RCC_CFGR_MCO_DIV16 EQU 0x40000000 ; MCO Clock divided by 16
; ****************** Bit definition for RCC_CIR register *******************
RCC_CIR_LSIRDYF EQU 0x00000001 ; LSI Ready Interrupt flag
RCC_CIR_LSERDYF EQU 0x00000002 ; LSE Ready Interrupt flag
RCC_CIR_HSIRDYF EQU 0x00000004 ; HSI Ready Interrupt flag
RCC_CIR_HSERDYF EQU 0x00000008 ; HSE Ready Interrupt flag
RCC_CIR_PLLRDYF EQU 0x00000010 ; PLL Ready Interrupt flag
RCC_CIR_MSIRDYF EQU 0x00000020 ; MSI Ready Interrupt flag
RCC_CIR_LSECSS EQU 0x00000040 ; LSE CSS Interrupt flag
RCC_CIR_CSSF EQU 0x00000080 ; Clock Security System Interrupt flag
RCC_CIR_LSIRDYIE EQU 0x00000100 ; LSI Ready Interrupt Enable
RCC_CIR_LSERDYIE EQU 0x00000200 ; LSE Ready Interrupt Enable
RCC_CIR_HSIRDYIE EQU 0x00000400 ; HSI Ready Interrupt Enable
RCC_CIR_HSERDYIE EQU 0x00000800 ; HSE Ready Interrupt Enable
RCC_CIR_PLLRDYIE EQU 0x00001000 ; PLL Ready Interrupt Enable
RCC_CIR_MSIRDYIE EQU 0x00002000 ; MSI Ready Interrupt Enable
RCC_CIR_LSECSSIE EQU 0x00004000 ; LSE CSS Interrupt Enable
RCC_CIR_LSIRDYC EQU 0x00010000 ; LSI Ready Interrupt Clear
RCC_CIR_LSERDYC EQU 0x00020000 ; LSE Ready Interrupt Clear
RCC_CIR_HSIRDYC EQU 0x00040000 ; HSI Ready Interrupt Clear
RCC_CIR_HSERDYC EQU 0x00080000 ; HSE Ready Interrupt Clear
RCC_CIR_PLLRDYC EQU 0x00100000 ; PLL Ready Interrupt Clear
RCC_CIR_MSIRDYC EQU 0x00200000 ; MSI Ready Interrupt Clear
RCC_CIR_LSECSSC EQU 0x00400000 ; LSE CSS Interrupt Clear
RCC_CIR_CSSC EQU 0x00800000 ; Clock Security System Interrupt Clear
;**************** Bit definition for RCC_AHBRSTR register *****************
RCC_AHBRSTR_GPIOARST EQU 0x00000001 ; GPIO port A reset
RCC_AHBRSTR_GPIOBRST EQU 0x00000002 ; GPIO port B reset
RCC_AHBRSTR_GPIOCRST EQU 0x00000004 ; GPIO port C reset
RCC_AHBRSTR_GPIODRST EQU 0x00000008 ; GPIO port D reset
RCC_AHBRSTR_GPIOERST EQU 0x00000010 ; GPIO port E reset
RCC_AHBRSTR_GPIOHRST EQU 0x00000020 ; GPIO port H reset
RCC_AHBRSTR_GPIOFRST EQU 0x00000040 ; GPIO port F reset
RCC_AHBRSTR_GPIOGRST EQU 0x00000080 ; GPIO port G reset
RCC_AHBRSTR_CRCRST EQU 0x00001000 ; CRC reset
RCC_AHBRSTR_FLITFRST EQU 0x00008000 ; FLITF reset
RCC_AHBRSTR_DMA1RST EQU 0x01000000 ; DMA1 reset
RCC_AHBRSTR_DMA2RST EQU 0x02000000 ; DMA2 reset
RCC_AHBRSTR_AESRST EQU 0x08000000 ; AES reset
RCC_AHBRSTR_FSMCRST EQU 0x40000000 ; FSMC reset
;**************** Bit definition for RCC_APB2RSTR register ****************
RCC_APB2RSTR_SYSCFGRST EQU 0x00000001 ; System Configuration SYSCFG reset
RCC_APB2RSTR_TIM9RST EQU 0x00000004 ; TIM9 reset
RCC_APB2RSTR_TIM10RST EQU 0x00000008 ; TIM10 reset
RCC_APB2RSTR_TIM11RST EQU 0x00000010 ; TIM11 reset
RCC_APB2RSTR_ADC1RST EQU 0x00000200 ; ADC1 reset
RCC_APB2RSTR_SDIORST EQU 0x00000800 ; SDIO reset
RCC_APB2RSTR_SPI1RST EQU 0x00001000 ; SPI1 reset
RCC_APB2RSTR_USART1RST EQU 0x00004000 ; USART1 reset
;**************** Bit definition for RCC_APB1RSTR register ****************
RCC_APB1RSTR_TIM2RST EQU 0x00000001 ; Timer 2 reset
RCC_APB1RSTR_TIM3RST EQU 0x00000002 ; Timer 3 reset
RCC_APB1RSTR_TIM4RST EQU 0x00000004 ; Timer 4 reset
RCC_APB1RSTR_TIM5RST EQU 0x00000008 ; Timer 5 reset
RCC_APB1RSTR_TIM6RST EQU 0x00000010 ; Timer 6 reset
RCC_APB1RSTR_TIM7RST EQU 0x00000020 ; Timer 7 reset
RCC_APB1RSTR_LCDRST EQU 0x00000200 ; LCD reset
RCC_APB1RSTR_WWDGRST EQU 0x00000800 ; Window Watchdog reset
RCC_APB1RSTR_SPI2RST EQU 0x00004000 ; SPI 2 reset
RCC_APB1RSTR_SPI3RST EQU 0x00008000 ; SPI 3 reset
RCC_APB1RSTR_USART2RST EQU 0x00020000 ; USART 2 reset
RCC_APB1RSTR_USART3RST EQU 0x00040000 ; USART 3 reset
RCC_APB1RSTR_UART4RST EQU 0x00080000 ; UART 4 reset
RCC_APB1RSTR_UART5RST EQU 0x00100000 ; UART 5 reset
RCC_APB1RSTR_I2C1RST EQU 0x00200000 ; I2C 1 reset
RCC_APB1RSTR_I2C2RST EQU 0x00400000 ; I2C 2 reset
RCC_APB1RSTR_USBRST EQU 0x00800000 ; USB reset
RCC_APB1RSTR_PWRRST EQU 0x10000000 ; Power interface reset
RCC_APB1RSTR_DACRST EQU 0x20000000 ; DAC interface reset
RCC_APB1RSTR_COMPRST EQU 0x80000000 ; Comparator interface reset
;***************** Bit definition for RCC_AHBENR register *****************
RCC_AHBENR_GPIOAEN EQU 0x00000001 ; GPIO port A clock enable
RCC_AHBENR_GPIOBEN EQU 0x00000002 ; GPIO port B clock enable
RCC_AHBENR_GPIOCEN EQU 0x00000004 ; GPIO port C clock enable
RCC_AHBENR_GPIODEN EQU 0x00000008 ; GPIO port D clock enable
RCC_AHBENR_GPIOEEN EQU 0x00000010 ; GPIO port E clock enable
RCC_AHBENR_GPIOHEN EQU 0x00000020 ; GPIO port H clock enable
RCC_AHBENR_GPIOFEN EQU 0x00000040 ; GPIO port F clock enable
RCC_AHBENR_GPIOGEN EQU 0x00000080 ; GPIO port G clock enable
RCC_AHBENR_CRCEN EQU 0x00001000 ; CRC clock enable
RCC_AHBENR_FLITFEN EQU 0x00008000 ; FLITF clock enable (has effect only when the Flash memory is in power down mode)
RCC_AHBENR_DMA1EN EQU 0x01000000 ; DMA1 clock enable
RCC_AHBENR_DMA2EN EQU 0x02000000 ; DMA2 clock enable
RCC_AHBENR_AESEN EQU 0x08000000 ; AES clock enable
RCC_AHBENR_FSMCEN EQU 0x40000000 ; FSMC clock enable
;***************** Bit definition for RCC_APB2ENR register ****************
RCC_APB2ENR_SYSCFGEN EQU 0x00000001 ; System Configuration SYSCFG clock enable
RCC_APB2ENR_TIM9EN EQU 0x00000004 ; TIM9 interface clock enable
RCC_APB2ENR_TIM10EN EQU 0x00000008 ; TIM10 interface clock enable
RCC_APB2ENR_TIM11EN EQU 0x00000010 ; TIM11 Timer clock enable
RCC_APB2ENR_ADC1EN EQU 0x00000200 ; ADC1 clock enable
RCC_APB2ENR_SDIOEN EQU 0x00000800 ; SDIO clock enable
RCC_APB2ENR_SPI1EN EQU 0x00001000 ; SPI1 clock enable
RCC_APB2ENR_USART1EN EQU 0x00004000 ; USART1 clock enable
;**************** Bit definition for RCC_APB1ENR register *****************
RCC_APB1ENR_TIM2EN EQU 0x00000001 ; Timer 2 clock enabled
RCC_APB1ENR_TIM3EN EQU 0x00000002 ; Timer 3 clock enable
RCC_APB1ENR_TIM4EN EQU 0x00000004 ; Timer 4 clock enable
RCC_APB1ENR_TIM5EN EQU 0x00000008 ; Timer 5 clock enable
RCC_APB1ENR_TIM6EN EQU 0x00000010 ; Timer 6 clock enable
RCC_APB1ENR_TIM7EN EQU 0x00000020 ; Timer 7 clock enable
RCC_APB1ENR_LCDEN EQU 0x00000200 ; LCD clock enable
RCC_APB1ENR_WWDGEN EQU 0x00000800 ; Window Watchdog clock enable
RCC_APB1ENR_SPI2EN EQU 0x00004000 ; SPI 2 clock enable
RCC_APB1ENR_SPI3EN EQU 0x00008000 ; SPI 3 clock enable
RCC_APB1ENR_USART2EN EQU 0x00020000 ; USART 2 clock enable
RCC_APB1ENR_USART3EN EQU 0x00040000 ; USART 3 clock enable
RCC_APB1ENR_UART4EN EQU 0x00080000 ; UART 4 clock enable
RCC_APB1ENR_UART5EN EQU 0x00100000 ; UART 5 clock enable
RCC_APB1ENR_I2C1EN EQU 0x00200000 ; I2C 1 clock enable
RCC_APB1ENR_I2C2EN EQU 0x00400000 ; I2C 2 clock enable
RCC_APB1ENR_USBEN EQU 0x00800000 ; USB clock enable
RCC_APB1ENR_PWREN EQU 0x10000000 ; Power interface clock enable
RCC_APB1ENR_DACEN EQU 0x20000000 ; DAC interface clock enable
RCC_APB1ENR_COMPEN EQU 0x80000000 ; Comparator interface clock enable
;***************** Bit definition for RCC_AHBLPENR register ***************
RCC_AHBLPENR_GPIOALPEN EQU 0x00000001 ; GPIO port A clock enabled in sleep mode
RCC_AHBLPENR_GPIOBLPEN EQU 0x00000002 ; GPIO port B clock enabled in sleep mode
RCC_AHBLPENR_GPIOCLPEN EQU 0x00000004 ; GPIO port C clock enabled in sleep mode
RCC_AHBLPENR_GPIODLPEN EQU 0x00000008 ; GPIO port D clock enabled in sleep mode
RCC_AHBLPENR_GPIOELPEN EQU 0x00000010 ; GPIO port E clock enabled in sleep mode
RCC_AHBLPENR_GPIOHLPEN EQU 0x00000020 ; GPIO port H clock enabled in sleep mode
RCC_AHBLPENR_GPIOFLPEN EQU 0x00000040 ; GPIO port F clock enabled in sleep mode
RCC_AHBLPENR_GPIOGLPEN EQU 0x00000080 ; GPIO port G clock enabled in sleep mode
RCC_AHBLPENR_CRCLPEN EQU 0x00001000 ; CRC clock enabled in sleep mode
RCC_AHBLPENR_FLITFLPEN EQU 0x00008000 ; Flash Interface clock enabled in sleep mode (has effect only when the Flash memory is in power down mode)
RCC_AHBLPENR_SRAMLPEN EQU 0x00010000 ; SRAM clock enabled in sleep mode
RCC_AHBLPENR_DMA1LPEN EQU 0x01000000 ; DMA1 clock enabled in sleep mode
RCC_AHBLPENR_DMA2LPEN EQU 0x02000000 ; DMA2 clock enabled in sleep mode
RCC_AHBLPENR_AESLPEN EQU 0x08000000 ; AES clock enabled in sleep mode
RCC_AHBLPENR_FSMCLPEN EQU 0x40000000 ; FSMC clock enabled in sleep mode
;***************** Bit definition for RCC_APB2LPENR register **************
RCC_APB2LPENR_SYSCFGLPEN EQU 0x00000001 ; System Configuration SYSCFG clock enabled in sleep mode
RCC_APB2LPENR_TIM9LPEN EQU 0x00000004 ; TIM9 interface clock enabled in sleep mode
RCC_APB2LPENR_TIM10LPEN EQU 0x00000008 ; TIM10 interface clock enabled in sleep mode
RCC_APB2LPENR_TIM11LPEN EQU 0x00000010 ; TIM11 Timer clock enabled in sleep mode
RCC_APB2LPENR_ADC1LPEN EQU 0x00000200 ; ADC1 clock enabled in sleep mode
RCC_APB2LPENR_SDIOLPEN EQU 0x00000800 ; SDIO clock enabled in sleep mode
RCC_APB2LPENR_SPI1LPEN EQU 0x00001000 ; SPI1 clock enabled in sleep mode
RCC_APB2LPENR_USART1LPEN EQU 0x00004000 ; USART1 clock enabled in sleep mode
;**************** Bit definition for RCC_APB1LPENR register ***************
RCC_APB1LPENR_TIM2LPEN EQU 0x00000001 ; Timer 2 clock enabled in sleep mode
RCC_APB1LPENR_TIM3LPEN EQU 0x00000002 ; Timer 3 clock enabled in sleep mode
RCC_APB1LPENR_TIM4LPEN EQU 0x00000004 ; Timer 4 clock enabled in sleep mode
RCC_APB1LPENR_TIM5LPEN EQU 0x00000008 ; Timer 5 clock enabled in sleep mode
RCC_APB1LPENR_TIM6LPEN EQU 0x00000010 ; Timer 6 clock enabled in sleep mode
RCC_APB1LPENR_TIM7LPEN EQU 0x00000020 ; Timer 7 clock enabled in sleep mode
RCC_APB1LPENR_LCDLPEN EQU 0x00000200 ; LCD clock enabled in sleep mode
RCC_APB1LPENR_WWDGLPEN EQU 0x00000800 ; Window Watchdog clock enabled in sleep mode
RCC_APB1LPENR_SPI2LPEN EQU 0x00004000 ; SPI 2 clock enabled in sleep mode
RCC_APB1LPENR_SPI3LPEN EQU 0x00008000 ; SPI 3 clock enabled in sleep mode
RCC_APB1LPENR_USART2LPEN EQU 0x00020000 ; USART 2 clock enabled in sleep mode
RCC_APB1LPENR_USART3LPEN EQU 0x00040000 ; USART 3 clock enabled in sleep mode
RCC_APB1LPENR_UART4LPEN EQU 0x00080000 ; UART 4 clock enabled in sleep mode
RCC_APB1LPENR_UART5LPEN EQU 0x00100000 ; UART 5 clock enabled in sleep mode
RCC_APB1LPENR_I2C1LPEN EQU 0x00200000 ; I2C 1 clock enabled in sleep mode
RCC_APB1LPENR_I2C2LPEN EQU 0x00400000 ; I2C 2 clock enabled in sleep mode
RCC_APB1LPENR_USBLPEN EQU 0x00800000 ; USB clock enabled in sleep mode
RCC_APB1LPENR_PWRLPEN EQU 0x10000000 ; Power interface clock enabled in sleep mode
RCC_APB1LPENR_DACLPEN EQU 0x20000000 ; DAC interface clock enabled in sleep mode
RCC_APB1LPENR_COMPLPEN EQU 0x80000000 ; Comparator interface clock enabled in sleep mode
;****************** Bit definition for RCC_CSR register *******************
RCC_CSR_LSION EQU 0x00000001 ; Internal Low Speed oscillator enable
RCC_CSR_LSIRDY EQU 0x00000002 ; Internal Low Speed oscillator Ready
RCC_CSR_LSEON EQU 0x00000100 ; External Low Speed oscillator enable
RCC_CSR_LSERDY EQU 0x00000200 ; External Low Speed oscillator Ready
RCC_CSR_LSEBYP EQU 0x00000400 ; External Low Speed oscillator Bypass
RCC_CSR_LSECSSON EQU 0x00000800 ; External Low Speed oscillator CSS Enable
RCC_CSR_LSECSSD EQU 0x00001000 ; External Low Speed oscillator CSS Detected
RCC_CSR_RTCSEL EQU 0x00030000 ; RTCSEL[1:0] bits (RTC clock source selection)
RCC_CSR_RTCSEL_0 EQU 0x00010000 ; Bit 0
RCC_CSR_RTCSEL_1 EQU 0x00020000 ; Bit 1
; RTC congiguration
RCC_CSR_RTCSEL_NOCLOCK EQU 0x00000000 ; No clock
RCC_CSR_RTCSEL_LSE EQU 0x00010000 ; LSE oscillator clock used as RTC clock
RCC_CSR_RTCSEL_LSI EQU 0x00020000 ; LSI oscillator clock used as RTC clock
RCC_CSR_RTCSEL_HSE EQU 0x00030000 ; HSE oscillator clock divided by 2, 4, 8 or 16 by RTCPRE used as RTC clock
RCC_CSR_RTCEN EQU 0x00400000 ; RTC clock enable
RCC_CSR_RTCRST EQU 0x00800000 ; RTC reset
RCC_CSR_RMVF EQU 0x01000000 ; Remove reset flag
RCC_CSR_OBLRSTF EQU 0x02000000 ; Option Bytes Loader reset flag
RCC_CSR_PINRSTF EQU 0x04000000 ; PIN reset flag
RCC_CSR_PORRSTF EQU 0x08000000 ; POR/PDR reset flag
RCC_CSR_SFTRSTF EQU 0x10000000 ; Software Reset flag
RCC_CSR_IWDGRSTF EQU 0x20000000 ; Independent Watchdog reset flag
RCC_CSR_WWDGRSTF EQU 0x40000000 ; Window watchdog reset flag
RCC_CSR_LPWRRSTF EQU 0x80000000 ; Low-Power reset flag
END