/** @defgroup rcc_defines RCC Defines * * @brief Defined Constants and Types for the STM32F3xx Reset and Clock * Control * * @ingroup STM32F3xx_defines * * @author @htmlonly © @endhtmlonly 2009 * Federico Ruiz-Ugalde \ * @author @htmlonly © @endhtmlonly 2009 * Uwe Hermann * @author @htmlonly © @endhtmlonly 2011 * Fergus Noble * @author @htmlonly © @endhtmlonly 2011 * Stephen Caudle * @author @htmlonly © @endhtmlonly 2013 * Fernando Cortes * @author @htmlonly © @endhtmlonly 2013 * Guillermo Rivera * * @version 1.0.0 * * @date 11 July 2013 * * LGPL License Terms @ref lgpl_license */ /* * This file is part of the libopencm3 project. * * Copyright (C) 2009 Uwe Hermann * Copyright (C) 2009 Federico Ruiz-Ugalde * Copyright (C) 2011 Fergus Noble * Copyright (C) 2011 Stephen Caudle * Modified by 2013 Fernando Cortes (stm32f3) * Modified by 2013 Guillermo Rivera (stm32f3) * * This library is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this library. If not, see . */ #ifndef LIBOPENCM3_RCC_H #define LIBOPENCM3_RCC_H #include /* --- RCC registers ------------------------------------------------------- */ #define RCC_CR MMIO32(RCC_BASE + 0x00) #define RCC_CFGR MMIO32(RCC_BASE + 0x04) #define RCC_CIR MMIO32(RCC_BASE + 0x08) #define RCC_APB2RSTR MMIO32(RCC_BASE + 0x0C) #define RCC_APB1RSTR MMIO32(RCC_BASE + 0x10) #define RCC_AHBENR MMIO32(RCC_BASE + 0x14) #define RCC_APB2ENR MMIO32(RCC_BASE + 0x18) #define RCC_APB1ENR MMIO32(RCC_BASE + 0x1C) #define RCC_BDCR MMIO32(RCC_BASE + 0x20) #define RCC_CSR MMIO32(RCC_BASE + 0x24) #define RCC_AHBRSTR MMIO32(RCC_BASE + 0x28) #define RCC_CFGR2 MMIO32(RCC_BASE + 0x2C) #define RCC_CFGR3 MMIO32(RCC_BASE + 0x30) /* --- RCC_CR values ------------------------------------------------------- */ #define RCC_CR_PLLRDY (1 << 25) #define RCC_CR_PLLON (1 << 24) #define RCC_CR_CSSON (1 << 19) #define RCC_CR_HSEBYP (1 << 18) #define RCC_CR_HSERDY (1 << 17) #define RCC_CR_HSEON (1 << 16) /* HSICAL: [15:8] */ /* HSITRIM: [7:3] */ #define RCC_CR_HSIRDY (1 << 1) #define RCC_CR_HSION (1 << 0) /* --- RCC_CFGR values ----------------------------------------------------- */ #define RCC_CFGR_MCOF (1 << 28) #define RCC_CFGR_I2SSRC (1 << 23) #define RCC_CFGR_USBPRES (1 << 22) #define RCC_CFGR_PLLXTPRE (1 << 17) #define RCC_CFGR_PLLSRC (1 << 16) /* MCO: Microcontroller clock output */ #define RCC_CFGR_MCO_SHIFT 24 #define RCC_CFGR_MCO_MASK 0x7 #define RCC_CFGR_MCO_NOCLK 0x0 /*Reserve RCC_CFGR_MCO 0x1*/ #define RCC_CFGR_MCO_LSI 0x2 #define RCC_CFGR_MCO_LSE 0x3 #define RCC_CFGR_MCO_SYSCLK 0x4 #define RCC_CFGR_MCO_HSI 0x5 #define RCC_CFGR_MCO_HSE 0x6 #define RCC_CFGR_MCO_PLL 0x7 /* PLLSRC: PLL source values */ #define RCC_CFGR_PLLSRC_HSI_DIV2 0 #define RCC_CFGR_PLLSRC_HSE_PREDIV 1 /* PLLMUL: PLL multiplication factor */ #define RCC_CFGR_PLLMUL_SHIFT 18 #define RCC_CFGR_PLLMUL_MASK 0xF #define RCC_CFGR_PLLMUL_MUL2 0x0 #define RCC_CFGR_PLLMUL_MUL3 0x1 #define RCC_CFGR_PLLMUL_MUL4 0x2 #define RCC_CFGR_PLLMUL_MUL5 0x3 #define RCC_CFGR_PLLMUL_MUL6 0x4 #define RCC_CFGR_PLLMUL_MUL7 0x5 #define RCC_CFGR_PLLMUL_MUL8 0x6 #define RCC_CFGR_PLLMUL_MUL9 0x7 #define RCC_CFGR_PLLMUL_MUL10 0x8 #define RCC_CFGR_PLLMUL_MUL11 0x9 #define RCC_CFGR_PLLMUL_MUL12 0xA #define RCC_CFGR_PLLMUL_MUL13 0xB #define RCC_CFGR_PLLMUL_MUL14 0xC #define RCC_CFGR_PLLMUL_MUL15 0xD #define RCC_CFGR_PLLMUL_MUL16 0xE #define RCC_CFGR_PPRE2_SHIFT 11 #define RCC_CFGR_PPRE2_MASK 0x7 #define RCC_CFGR_PPRE1_SHIFT 8 #define RCC_CFGR_PPRE1_MASK 0x7 /** @defgroup rcc_cfgr_apbxpre RCC_CFGR APBx prescale factors * These can be used for both APB1 and APB2 prescaling * @{ */ #define RCC_CFGR_PPRE_NODIV 0x0 #define RCC_CFGR_PPRE_DIV2 0x4 #define RCC_CFGR_PPRE_DIV4 0x5 #define RCC_CFGR_PPRE_DIV8 0x6 #define RCC_CFGR_PPRE_DIV16 0x7 /**@}*/ #define RCC_CFGR_HPRE_SHIFT 4 #define RCC_CFGR_HPRE_MASK 0xf /** @defgroup rcc_cfgr_ahbpre RCC_CFGR AHB prescale factors @{*/ #define RCC_CFGR_HPRE_NODIV 0x0 #define RCC_CFGR_HPRE_DIV2 0x8 #define RCC_CFGR_HPRE_DIV4 0x9 #define RCC_CFGR_HPRE_DIV8 0xA #define RCC_CFGR_HPRE_DIV16 0xB #define RCC_CFGR_HPRE_DIV64 0xC #define RCC_CFGR_HPRE_DIV128 0xD #define RCC_CFGR_HPRE_DIV256 0xE #define RCC_CFGR_HPRE_DIV512 0xF /**@}*/ /* SWS: System clock switch status */ #define RCC_CFGR_SWS_SHIFT 2 #define RCC_CFGR_SWS_MASK 0x3 #define RCC_CFGR_SWS_HSI 0x0 #define RCC_CFGR_SWS_HSE 0x1 #define RCC_CFGR_SWS_PLL 0x2 /* SW: System clock switch */ #define RCC_CFGR_SW_SHIFT 0 #define RCC_CFGR_SW_HSI 0x0 #define RCC_CFGR_SW_HSE 0x1 #define RCC_CFGR_SW_PLL 0x2 /** Older compatible definitions to ease migration * @defgroup rcc_cfgr_deprecated RCC_CFGR Deprecated dividers * @deprecated Use _CFGR_xPRE_DIVn form instead, across all families * @{ */ #define RCC_CFGR_PPRE2_DIV_NONE 0x0 #define RCC_CFGR_PPRE2_DIV_2 0x4 #define RCC_CFGR_PPRE2_DIV_4 0x5 #define RCC_CFGR_PPRE2_DIV_8 0x6 #define RCC_CFGR_PPRE2_DIV_16 0x7 #define RCC_CFGR_PPRE1_DIV_NONE 0x0 #define RCC_CFGR_PPRE1_DIV_2 0x4 #define RCC_CFGR_PPRE1_DIV_4 0x5 #define RCC_CFGR_PPRE1_DIV_8 0x6 #define RCC_CFGR_PPRE1_DIV_16 0x7 #define RCC_CFGR_HPRE_DIV_NONE 0x0 #define RCC_CFGR_HPRE_DIV_2 0x8 #define RCC_CFGR_HPRE_DIV_4 0x9 #define RCC_CFGR_HPRE_DIV_8 0xA #define RCC_CFGR_HPRE_DIV_16 0xB #define RCC_CFGR_HPRE_DIV_64 0xC #define RCC_CFGR_HPRE_DIV_128 0xD #define RCC_CFGR_HPRE_DIV_256 0xE #define RCC_CFGR_HPRE_DIV_512 0xF /**@}*/ /* --- RCC_CIR values ------------------------------------------------------ */ /* Clock security system interrupt clear bit */ #define RCC_CIR_CSSC (1 << 23) /* OSC ready interrupt clear bits */ #define RCC_CIR_PLLRDYC (1 << 20) #define RCC_CIR_HSERDYC (1 << 19) #define RCC_CIR_HSIRDYC (1 << 18) #define RCC_CIR_LSERDYC (1 << 17) #define RCC_CIR_LSIRDYC (1 << 16) /* OSC ready interrupt enable bits */ #define RCC_CIR_PLLRDYIE (1 << 12) #define RCC_CIR_HSERDYIE (1 << 11) #define RCC_CIR_HSIRDYIE (1 << 10) #define RCC_CIR_LSERDYIE (1 << 9) #define RCC_CIR_LSIRDYIE (1 << 8) /* Clock security system interrupt flag bit */ #define RCC_CIR_CSSF (1 << 7) /* OSC ready interrupt flag bits */ #define RCC_CIR_PLLRDYF (1 << 4) #define RCC_CIR_HSERDYF (1 << 3) #define RCC_CIR_HSIRDYF (1 << 2) #define RCC_CIR_LSERDYF (1 << 1) #define RCC_CIR_LSIRDYF (1 << 0) /** @defgroup rcc_apb2rstr_rst RCC_APB2RSTR reset values @{*/ #define RCC_APB2RSTR_TIM20RST (1 << 20) #define RCC_APB2RSTR_TIM17RST (1 << 18) #define RCC_APB2RSTR_TIM16RST (1 << 17) #define RCC_APB2RSTR_TIM15RST (1 << 16) #define RCC_APB2RSTR_SPI4RST (1 << 15) #define RCC_APB2RSTR_USART1RST (1 << 14) #define RCC_APB2RSTR_TIM8RST (1 << 13) #define RCC_APB2RSTR_SPI1RST (1 << 12) #define RCC_APB2RSTR_TIM1RST (1 << 11) #define RCC_APB2RSTR_SYSCFGRST (1 << 0) /**@}*/ /** @defgroup rcc_apb1rstr_rst RCC_APB1RSTR reset values @{*/ #define RCC_APB1RSTR_I2C3RST (1 << 30) #define RCC_APB1RSTR_DAC1RST (1 << 29) #define RCC_APB1RSTR_PWRRST (1 << 28) #define RCC_APB1RSTR_DAC2RST (1 << 26) #define RCC_APB1RSTR_CAN1RST (1 << 25) #define RCC_APB1RSTR_USBRST (1 << 23) #define RCC_APB1RSTR_I2C2RST (1 << 22) #define RCC_APB1RSTR_I2C1RST (1 << 21) #define RCC_APB1RSTR_UART5RST (1 << 20) #define RCC_APB1RSTR_UART4RST (1 << 19) #define RCC_APB1RSTR_USART3RST (1 << 18) #define RCC_APB1RSTR_USART2RST (1 << 17) #define RCC_APB1RSTR_SPI3RST (1 << 15) #define RCC_APB1RSTR_SPI2RST (1 << 14) #define RCC_APB1RSTR_WWDGRST (1 << 11) #define RCC_APB1RSTR_TIM7RST (1 << 5) #define RCC_APB1RSTR_TIM6RST (1 << 4) #define RCC_APB1RSTR_TIM4RST (1 << 2) #define RCC_APB1RSTR_TIM3RST (1 << 1) #define RCC_APB1RSTR_TIM2RST (1 << 0) /**@}*/ /** @defgroup rcc_ahbenr_en RCC_AHBENR enable values *@{*/ #define RCC_AHBENR_ADC34EN (1 << 29) #define RCC_AHBENR_ADC12EN (1 << 28) #define RCC_AHBENR_TSCEN (1 << 24) #define RCC_AHBENR_IOPGEN (1 << 23) #define RCC_AHBENR_IOPFEN (1 << 22) #define RCC_AHBENR_IOPEEN (1 << 21) #define RCC_AHBENR_IOPDEN (1 << 20) #define RCC_AHBENR_IOPCEN (1 << 19) #define RCC_AHBENR_IOPBEN (1 << 18) #define RCC_AHBENR_IOPAEN (1 << 17) #define RCC_AHBENR_IOPHEN (1 << 16) #define RCC_AHBENR_CRCEN (1 << 6) #define RCC_AHBENR_FMCEN (1 << 5) #define RCC_AHBENR_FLITFEN (1 << 4) #define RCC_AHBENR_SRAMEN (1 << 2) #define RCC_AHBENR_DMA2EN (1 << 1) #define RCC_AHBENR_DMA1EN (1 << 0) /*@}*/ /** @defgroup rcc_apb2enr_en RCC_APB2ENR enable values @{*/ #define RCC_APB2ENR_TIM20EN (1 << 20) #define RCC_APB2ENR_TIM17EN (1 << 18) #define RCC_APB2ENR_TIM16EN (1 << 17) #define RCC_APB2ENR_TIM15EN (1 << 16) #define RCC_APB2ENR_SPI4EN (1 << 15) #define RCC_APB2ENR_USART1EN (1 << 14) #define RCC_APB2ENR_TIM8EN (1 << 13) #define RCC_APB2ENR_SPI1EN (1 << 12) #define RCC_APB2ENR_TIM1EN (1 << 11) #define RCC_APB2ENR_SYSCFGEN (1 << 0) /**@}*/ /** @defgroup rcc_apb1enr_en RCC_APB1ENR enable values @{*/ #define RCC_APB1ENR_I2C3EN (1 << 30) #define RCC_APB1ENR_DAC1EN (1 << 29) #define RCC_APB1ENR_PWREN (1 << 28) #define RCC_APB1ENR_DAC2EN (1 << 26) #define RCC_APB1ENR_CANEN (1 << 25) #define RCC_APB1ENR_USBEN (1 << 23) #define RCC_APB1ENR_I2C2EN (1 << 22) #define RCC_APB1ENR_I2C1EN (1 << 21) #define RCC_APB1ENR_USART5EN (1 << 20) #define RCC_APB1ENR_USART4EN (1 << 19) #define RCC_APB1ENR_USART3EN (1 << 18) #define RCC_APB1ENR_USART2EN (1 << 17) #define RCC_APB1ENR_SPI3EN (1 << 15) #define RCC_APB1ENR_SPI2EN (1 << 14) #define RCC_APB1ENR_WWDGEN (1 << 11) #define RCC_APB1ENR_TIM7EN (1 << 5) #define RCC_APB1ENR_TIM6EN (1 << 4) #define RCC_APB1ENR_TIM4EN (1 << 2) #define RCC_APB1ENR_TIM3EN (1 << 1) #define RCC_APB1ENR_TIM2EN (1 << 0) /**@}*/ /* --- RCC_BDCR values ----------------------------------------------------- */ #define RCC_BDCR_BDRST (1 << 16) #define RCC_BDCR_RTCEN (1 << 15) /* RCC_BDCR[9:8]: RTCSEL */ /* RCC_BDCR[4:3]: LSEDRV */ #define RCC_BDCR_LSEBYP (1 << 2) #define RCC_BDCR_LSERDY (1 << 1) #define RCC_BDCR_LSEON (1 << 0) /* --- RCC_CSR values ------------------------------------------------------ */ #define RCC_CSR_LPWRRSTF (1 << 31) #define RCC_CSR_WWDGRSTF (1 << 30) #define RCC_CSR_IWDGRSTF (1 << 29) #define RCC_CSR_SFTRSTF (1 << 28) #define RCC_CSR_PORRSTF (1 << 27) #define RCC_CSR_PINRSTF (1 << 26) #define RCC_CSR_OBLRSTF (1 << 25) #define RCC_CSR_RMVF (1 << 24) #define RCC_CSR_LSIRDY (1 << 1) #define RCC_CSR_LSION (1 << 0) /** @defgroup rcc_ahbrstr_rst RCC_AHBxRSTR reset values (full set) @{*/ #define RCC_AHBRSTR_ADC34RST (1 << 29) #define RCC_AHBRSTR_ADC12RST (1 << 28) #define RCC_AHBRSTR_TSCRST (1 << 24) #define RCC_AHBRSTR_IOPGRST (1 << 23) #define RCC_AHBRSTR_IOPFRST (1 << 22) #define RCC_AHBRSTR_IOPERST (1 << 21) #define RCC_AHBRSTR_IOPDRST (1 << 20) #define RCC_AHBRSTR_IOPCRST (1 << 19) #define RCC_AHBRSTR_IOPBRST (1 << 18) #define RCC_AHBRSTR_IOPARST (1 << 17) #define RCC_AHBRSTR_IOPHRST (1 << 16) #define RCC_AHBRSTR_FMCRST (1 << 5) /**@}*/ /* --- RCC_CFGR2 values ---------------------------------------------------- */ /* ADCxxPRES: ADCxx prescaler */ #define RCC_CFGR2_ADC34PRES_SHIFT 9 #define RCC_CFGR2_ADC12PRES_SHIFT 4 #define RCC_CFGR2_ADCxPRES_MASK 0x1f #define RCC_CFGR2_ADCxPRES_PLL_CLK_DIV_1 0x10 #define RCC_CFGR2_ADCxPRES_PLL_CLK_DIV_2 0x11 #define RCC_CFGR2_ADCxPRES_PLL_CLK_DIV_4 0x12 #define RCC_CFGR2_ADCxPRES_PLL_CLK_DIV_6 0x13 #define RCC_CFGR2_ADCxPRES_PLL_CLK_DIV_8 0x14 #define RCC_CFGR2_ADCxPRES_PLL_CLK_DIV_10 0x15 #define RCC_CFGR2_ADCxPRES_PLL_CLK_DIV_12 0x16 #define RCC_CFGR2_ADCxPRES_PLL_CLK_DIV_16 0x17 #define RCC_CFGR2_ADCxPRES_PLL_CLK_DIV_32 0x18 #define RCC_CFGR2_ADCxPRES_PLL_CLK_DIV_64 0x19 #define RCC_CFGR2_ADCxPRES_PLL_CLK_DIV_128 0x1A #define RCC_CFGR2_ADCxPRES_PLL_CLK_DIV_256 0x1B #define RCC_CFGR2_PREDIV 0xf /** @defgroup rcc_cfgr2_prediv PLL source predividers @ingroup rcc_defines @{*/ #define RCC_CFGR2_PREDIV_NODIV 0x0 #define RCC_CFGR2_PREDIV_DIV2 0x1 #define RCC_CFGR2_PREDIV_DIV3 0x2 #define RCC_CFGR2_PREDIV_DIV4 0x3 #define RCC_CFGR2_PREDIV_DIV5 0x4 #define RCC_CFGR2_PREDIV_DIV6 0x5 #define RCC_CFGR2_PREDIV_DIV7 0x6 #define RCC_CFGR2_PREDIV_DIV8 0x7 #define RCC_CFGR2_PREDIV_DIV9 0x8 #define RCC_CFGR2_PREDIV_DIV10 0x9 #define RCC_CFGR2_PREDIV_DIV11 0xa #define RCC_CFGR2_PREDIV_DIV12 0xb #define RCC_CFGR2_PREDIV_DIV13 0xc #define RCC_CFGR2_PREDIV_DIV14 0xd #define RCC_CFGR2_PREDIV_DIV15 0xe #define RCC_CFGR2_PREDIV_DIV16 0xf /**@}*/ /* --- RCC_CFGR3 values ---------------------------------------------------- */ #define RCC_CFGR3_TIM8SW (1 << 9) #define RCC_CFGR3_TIM1SW (1 << 8) #define RCC_CFGR3_I2C2SW (1 << 5) #define RCC_CFGR3_I2C1SW (1 << 4) /* UART5SW: UART5 clock source selection */ #define RCC_CFGR3_UART5SW_SHIFT 22 #define RCC_CFGR3_UART5SW_PCLK 0x0 #define RCC_CFGR3_UART5SW_SYSCLK 0x1 #define RCC_CFGR3_UART5SW_LSE 0x2 #define RCC_CFGR3_UART5SW_HSI 0x3 /* UART4SW: UART4 clock source selection */ #define RCC_CFGR3_UART4SW_SHIFT 20 #define RCC_CFGR3_UART4SW_PCLK 0x0 #define RCC_CFGR3_UART4SW_SYSCLK 0x1 #define RCC_CFGR3_UART4SW_LSE 0x2 #define RCC_CFGR3_UART4SW_HSI 0x3 /* UART3SW: UART3 clock source selection */ #define RCC_CFGR3_UART3SW_SHIFT 18 #define RCC_CFGR3_UART3SW_PCLK 0x0 #define RCC_CFGR3_UART3SW_SYSCLK 0x1 #define RCC_CFGR3_UART3SW_LSE 0x2 #define RCC_CFGR3_UART3SW_HSI 0x3 /* UART2SW: UART2 clock source selection */ #define RCC_CFGR3_UART2SW_SHIFT 16 #define RCC_CFGR3_UART2SW_PCLK 0x0 #define RCC_CFGR3_UART2SW_SYSCLK 0x1 #define RCC_CFGR3_UART2SW_LSE 0x2 #define RCC_CFGR3_UART2SW_HSI 0x3 /* UART1SW: UART1 clock source selection */ #define RCC_CFGR3_UART1SW_SHIFT 0 #define RCC_CFGR3_UART1SW_PCLK 0x0 #define RCC_CFGR3_UART1SW_SYSCLK 0x1 #define RCC_CFGR3_UART1SW_LSE 0x2 #define RCC_CFGR3_UART1SW_HSI 0x3 /* Shared mask for UART clock source. */ #define RCC_CFGR3_UARTxSW_MASK 0x3 /* --- Variable definitions ------------------------------------------------ */ extern uint32_t rcc_ahb_frequency; extern uint32_t rcc_apb1_frequency; extern uint32_t rcc_apb2_frequency; /* --- Function prototypes ------------------------------------------------- */ enum rcc_clock_hsi { RCC_CLOCK_HSI_48MHZ, RCC_CLOCK_HSI_64MHZ, /* Max from HSI */ RCC_CLOCK_HSI_END }; enum rcc_clock_hse8 { RCC_CLOCK_HSE8_72MHZ, RCC_CLOCK_HSE8_END }; struct rcc_clock_scale { uint8_t pllsrc; uint8_t pllmul; uint8_t plldiv; bool usbdiv1; uint32_t flash_waitstates; uint8_t hpre; uint8_t ppre1; uint8_t ppre2; uint8_t power_save; uint32_t ahb_frequency; uint32_t apb1_frequency; uint32_t apb2_frequency; }; extern const struct rcc_clock_scale rcc_hsi_configs[RCC_CLOCK_HSI_END]; extern const struct rcc_clock_scale rcc_hse8mhz_configs[RCC_CLOCK_HSE8_END]; enum rcc_osc { RCC_PLL, RCC_HSE, RCC_HSI, RCC_LSE, RCC_LSI }; #define _REG_BIT(base, bit) (((base) << 5) + (bit)) /* Availability in comment: * 0: F30x * 1: F31x * 7: F37x * 8: F38x */ enum rcc_periph_clken { /* AHB peripherals*/ RCC_DMA1 = _REG_BIT(0x14, 0),/*0178*/ RCC_DMA2 = _REG_BIT(0x14, 1),/*0178*/ RCC_SRAM = _REG_BIT(0x14, 2),/*0178*/ RCC_FLTIF = _REG_BIT(0x14, 4),/*0178*/ RCC_FMC = _REG_BIT(0x14, 5),/*0178*/ RCC_CRC = _REG_BIT(0x14, 6),/*0178*/ RCC_GPIOH = _REG_BIT(0x14, 16),/*0178*/ RCC_GPIOA = _REG_BIT(0x14, 17),/*0178*/ RCC_GPIOB = _REG_BIT(0x14, 18),/*0178*/ RCC_GPIOC = _REG_BIT(0x14, 19),/*0178*/ RCC_GPIOD = _REG_BIT(0x14, 20),/*0178*/ RCC_GPIOE = _REG_BIT(0x14, 21),/*0178*/ RCC_GPIOF = _REG_BIT(0x14, 22),/*0178*/ RCC_GPIOG = _REG_BIT(0x14, 23),/*0178*/ RCC_TSC = _REG_BIT(0x14, 24),/*0178*/ RCC_ADC12 = _REG_BIT(0x14, 28),/*01--*/ RCC_ADC34 = _REG_BIT(0x14, 29),/*01--*/ /* APB2 peripherals */ RCC_SYSCFG = _REG_BIT(0x18, 0),/*0178*/ RCC_ADC = _REG_BIT(0x18, 9),/*--78*/ RCC_TIM1 = _REG_BIT(0x18, 11),/*01--*/ RCC_SPI1 = _REG_BIT(0x18, 12),/*0178*/ RCC_TIM8 = _REG_BIT(0x18, 13),/*01--*/ RCC_USART1 = _REG_BIT(0x18, 14),/*0178*/ RCC_SPI4 = _REG_BIT(0x18, 15), RCC_TIM15 = _REG_BIT(0x18, 16),/*0178*/ RCC_TIM16 = _REG_BIT(0x18, 17),/*0178*/ RCC_TIM17 = _REG_BIT(0x18, 18),/*0178*/ RCC_TIM19 = _REG_BIT(0x18, 19),/*--78*/ RCC_TIM20 = _REG_BIT(0x18, 20), RCC_DBGMCU = _REG_BIT(0x18, 22),/*--78*/ RCC_SDADC1 = _REG_BIT(0x18, 24),/*--78*/ RCC_SDADC2 = _REG_BIT(0x18, 25),/*--78*/ RCC_SDADC3 = _REG_BIT(0x18, 26),/*--78*/ RCC_HRTIM = _REG_BIT(0x18, 29), /* APB1 peripherals */ RCC_TIM2 = _REG_BIT(0x1C, 0),/*0178*/ RCC_TIM3 = _REG_BIT(0x1C, 1),/*0178*/ RCC_TIM4 = _REG_BIT(0x1C, 2),/*0178*/ RCC_TIM5 = _REG_BIT(0x1C, 3),/*--78*/ RCC_TIM6 = _REG_BIT(0x1C, 4),/*0178*/ RCC_TIM7 = _REG_BIT(0x1C, 5),/*0178*/ RCC_TIM12 = _REG_BIT(0x1C, 6),/*--78*/ RCC_TIM13 = _REG_BIT(0x1C, 7),/*--78*/ RCC_TIM14 = _REG_BIT(0x1C, 8),/*--78*/ RCC_TIM18 = _REG_BIT(0x1C, 9),/*--78*/ RCC_WWDG = _REG_BIT(0x1C, 11),/*0178*/ RCC_SPI2 = _REG_BIT(0x1C, 14),/*0178*/ RCC_SPI3 = _REG_BIT(0x1C, 15),/*0178*/ RCC_USART2 = _REG_BIT(0x1C, 17),/*0178*/ RCC_USART3 = _REG_BIT(0x1C, 18),/*0178*/ RCC_UART4 = _REG_BIT(0x1C, 19),/*01--*/ RCC_UART5 = _REG_BIT(0x1C, 20),/*01--*/ RCC_I2C1 = _REG_BIT(0x1C, 21),/*0178*/ RCC_I2C2 = _REG_BIT(0x1C, 22),/*0178*/ RCC_USB = _REG_BIT(0x1C, 23),/*0178*/ RCC_CAN = _REG_BIT(0x1C, 25),/*0178*/ RCC_CAN1 = _REG_BIT(0x1C, 25),/*0178*/ RCC_DAC2 = _REG_BIT(0x1C, 26), RCC_PWR = _REG_BIT(0x1C, 28),/*0178*/ RCC_DAC1 = _REG_BIT(0x1C, 29), RCC_CEC = _REG_BIT(0x1C, 30),/*--78*/ RCC_I2C3 = _REG_BIT(0x1C, 30), }; enum rcc_periph_rst { /* APB2 peripherals*/ RST_SYSCFG = _REG_BIT(0x0C, 0),/*0178*/ RST_ADC = _REG_BIT(0x0C, 9),/*--78*/ RST_TIM1 = _REG_BIT(0x0C, 11),/*01--*/ RST_SPI1 = _REG_BIT(0x0C, 12),/*0178*/ RST_TIM8 = _REG_BIT(0x0C, 13),/*01--*/ RST_USART1 = _REG_BIT(0x0C, 14),/*0178*/ RST_SPI4 = _REG_BIT(0x0C, 15), RST_TIM15 = _REG_BIT(0x0C, 16),/*0178*/ RST_TIM16 = _REG_BIT(0x0C, 17),/*0178*/ RST_TIM17 = _REG_BIT(0x0C, 18),/*0178*/ RST_TIM19 = _REG_BIT(0x0C, 19),/*--78*/ RST_TIM20 = _REG_BIT(0x0C, 20), RST_SDADC1 = _REG_BIT(0x0C, 24),/*--78*/ RST_SDADC2 = _REG_BIT(0x0C, 25),/*--78*/ RST_SDADC3 = _REG_BIT(0x0C, 26),/*--78*/ RST_HRTIM = _REG_BIT(0x0C, 29), /* APB1 peripherals */ RST_TIM2 = _REG_BIT(0x10, 0),/*0178*/ RST_TIM3 = _REG_BIT(0x10, 1),/*0178*/ RST_TIM4 = _REG_BIT(0x10, 2),/*0178*/ RST_TIM5 = _REG_BIT(0x10, 3),/*--78*/ RST_TIM6 = _REG_BIT(0x10, 4),/*0178*/ RST_TIM7 = _REG_BIT(0x10, 5),/*0178*/ RST_TIM12 = _REG_BIT(0x10, 6),/*--78*/ RST_TIM13 = _REG_BIT(0x10, 7),/*--78*/ RST_TIM14 = _REG_BIT(0x10, 8),/*--78*/ RST_TIM18 = _REG_BIT(0x10, 9),/*--78*/ RST_WWDG = _REG_BIT(0x10, 11),/*0178*/ RST_SPI2 = _REG_BIT(0x10, 14),/*0178*/ RST_SPI3 = _REG_BIT(0x10, 15),/*0178*/ RST_USART2 = _REG_BIT(0x10, 17),/*0178*/ RST_USART3 = _REG_BIT(0x10, 18),/*0178*/ RST_UART4 = _REG_BIT(0x10, 19),/*01--*/ RST_UART5 = _REG_BIT(0x10, 20),/*01--*/ RST_I2C1 = _REG_BIT(0x10, 21),/*0178*/ RST_I2C2 = _REG_BIT(0x10, 22),/*0178*/ RST_USB = _REG_BIT(0x10, 23),/*0178*/ RST_CAN = _REG_BIT(0x10, 25),/*0178*/ RST_CAN1 = _REG_BIT(0x10, 25),/*0178*/ RST_DAC2 = _REG_BIT(0x10, 26), RST_PWR = _REG_BIT(0x10, 28),/*0178*/ RST_DAC1 = _REG_BIT(0x10, 29), RST_CEC = _REG_BIT(0x10, 30),/*--78*/ RST_I2C3 = _REG_BIT(0x10, 30), /* AHB peripherals */ RST_FMC = _REG_BIT(0x28, 5), RST_GPIOH = _REG_BIT(0x28, 16), RST_GPIOA = _REG_BIT(0x28, 17),/*0178*/ RST_GPIOB = _REG_BIT(0x28, 18),/*0178*/ RST_GPIOC = _REG_BIT(0x28, 19),/*0178*/ RST_GPIOD = _REG_BIT(0x28, 20),/*0178*/ RST_GPIOE = _REG_BIT(0x28, 21),/*0178*/ RST_GPIOF = _REG_BIT(0x28, 22),/*0178*/ RST_GPIOG = _REG_BIT(0x28, 23), RST_TSC = _REG_BIT(0x28, 24),/*0178*/ RST_ADC12 = _REG_BIT(0x28, 28),/*01--*/ RST_ADC34 = _REG_BIT(0x28, 29),/*01--*/ /* BDCR[16] */ RST_BD = _REG_BIT(0x20, 16), }; #undef _REG_BIT #include BEGIN_DECLS void rcc_osc_ready_int_clear(enum rcc_osc osc); void rcc_osc_ready_int_enable(enum rcc_osc osc); void rcc_osc_ready_int_disable(enum rcc_osc osc); int rcc_osc_ready_int_flag(enum rcc_osc osc); void rcc_css_int_clear(void); int rcc_css_int_flag(void); void rcc_wait_for_osc_not_ready(enum rcc_osc osc); void rcc_wait_for_sysclk_status(enum rcc_osc osc); void rcc_osc_on(enum rcc_osc osc); void rcc_osc_off(enum rcc_osc osc); void rcc_css_enable(void); void rcc_css_disable(void); void rcc_set_sysclk_source(uint32_t clk); void rcc_set_pll_source(uint32_t pllsrc); void rcc_set_ppre2(uint32_t ppre2); void rcc_set_ppre1(uint32_t ppre1); void rcc_set_hpre(uint32_t hpre); void rcc_set_prediv(uint32_t prediv); void rcc_set_pll_multiplier(uint32_t pll); uint32_t rcc_get_system_clock_source(void); void rcc_backupdomain_reset(void); void rcc_clock_setup_pll(const struct rcc_clock_scale *clock); void rcc_clock_setup_hsi(const struct rcc_clock_scale *clock); void rcc_set_i2c_clock_hsi(uint32_t i2c); void rcc_set_i2c_clock_sysclk(uint32_t i2c); uint32_t rcc_get_i2c_clocks(void); void rcc_usb_prescale_1_5(void); void rcc_usb_prescale_1(void); void rcc_adc_prescale(uint32_t prescale1, uint32_t prescale2); uint32_t rcc_get_usart_clk_freq(uint32_t usart); uint32_t rcc_get_timer_clk_freq(uint32_t timer); uint32_t rcc_get_i2c_clk_freq(uint32_t i2c); uint32_t rcc_get_spi_clk_freq(uint32_t spi); END_DECLS #endif