diff options
Diffstat (limited to 'libopencm3/include/libopencm3/stm32/f0/rcc.h')
-rw-r--r-- | libopencm3/include/libopencm3/stm32/f0/rcc.h | 524 |
1 files changed, 524 insertions, 0 deletions
diff --git a/libopencm3/include/libopencm3/stm32/f0/rcc.h b/libopencm3/include/libopencm3/stm32/f0/rcc.h new file mode 100644 index 0000000..39de15e --- /dev/null +++ b/libopencm3/include/libopencm3/stm32/f0/rcc.h @@ -0,0 +1,524 @@ +/** @defgroup rcc_defines RCC Defines + * + * @brief <b>Defined Constants and Types for the STM32F0xx Reset and Clock +Control</b> + * + * @ingroup STM32F0xx_defines + * + * @author @htmlonly © @endhtmlonly 2013 + * Frantisek Burian <BuFran@seznam.cz> + * + * @version 1.0.0 + * + * @date 29 Jun 2013 + * + * LGPL License Terms @ref lgpl_license + */ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz> + * + * 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 <http://www.gnu.org/licenses/>. + */ +/**@{*/ + +#ifndef LIBOPENCM3_RCC_H +#define LIBOPENCM3_RCC_H + +/*****************************************************************************/ +/* Module definitions */ +/*****************************************************************************/ + +/*****************************************************************************/ +/* Register definitions */ +/*****************************************************************************/ + +#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) +#define RCC_CR2 MMIO32(RCC_BASE + 0x34) + +/*****************************************************************************/ +/* Register values */ +/*****************************************************************************/ + +/* --- 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) +#define RCC_CR_HSICAL_SHIFT 8 +#define RCC_CR_HSICAL (0xFF << RCC_CR_HSICAL_SHIFT) +#define RCC_CR_HSITRIM_SHIFT 3 +#define RCC_CR_HSITRIM (0x1F << RCC_CR_HSITRIM_SHIFT) +#define RCC_CR_HSIRDY (1 << 1) +#define RCC_CR_HSION (1 << 0) + +/* --- RCC_CFGR values ----------------------------------------------------- */ + +#define RCC_CFGR_PLLNODIV (1 << 31) + +#define RCC_CFGR_MCOPRE_SHIFT 28 +#define RCC_CFGR_MCOPRE (7 << RCC_CFGR_MCOPRE_SHIFT) +#define RCC_CFGR_MCOPRE_DIV1 (0 << RCC_CFGR_MCOPRE_SHIFT) +#define RCC_CFGR_MCOPRE_DIV2 (1 << RCC_CFGR_MCOPRE_SHIFT) +#define RCC_CFGR_MCOPRE_DIV4 (2 << RCC_CFGR_MCOPRE_SHIFT) +#define RCC_CFGR_MCOPRE_DIV8 (3 << RCC_CFGR_MCOPRE_SHIFT) +#define RCC_CFGR_MCOPRE_DIV16 (4 << RCC_CFGR_MCOPRE_SHIFT) +#define RCC_CFGR_MCOPRE_DIV32 (5 << RCC_CFGR_MCOPRE_SHIFT) +#define RCC_CFGR_MCOPRE_DIV64 (6 << RCC_CFGR_MCOPRE_SHIFT) +#define RCC_CFGR_MCOPRE_DIV128 (7 << RCC_CFGR_MCOPRE_SHIFT) + +#define RCC_CFGR_MCO_SHIFT 24 +#define RCC_CFGR_MCO (15 << RCC_CFGR_MCO_SHIFT) +#define RCC_CFGR_MCO_NOCLK (0 << RCC_CFGR_MCO_SHIFT) +#define RCC_CFGR_MCO_HSI14 (1 << RCC_CFGR_MCO_SHIFT) +#define RCC_CFGR_MCO_LSI (2 << RCC_CFGR_MCO_SHIFT) +#define RCC_CFGR_MCO_LSE (3 << RCC_CFGR_MCO_SHIFT) +#define RCC_CFGR_MCO_SYSCLK (4 << RCC_CFGR_MCO_SHIFT) +#define RCC_CFGR_MCO_HSI (5 << RCC_CFGR_MCO_SHIFT) +#define RCC_CFGR_MCO_HSE (6 << RCC_CFGR_MCO_SHIFT) +#define RCC_CFGR_MCO_PLL (7 << RCC_CFGR_MCO_SHIFT) +#define RCC_CFGR_MCO_HSI48 (8 << RCC_CFGR_MCO_SHIFT)/*f07*/ + +#define RCC_CFGR_PLLMUL_SHIFT 18 +#define RCC_CFGR_PLLMUL (0x0F << RCC_CFGR_PLLMUL_SHIFT) +#define RCC_CFGR_PLLMUL_MUL2 (0x00 << RCC_CFGR_PLLMUL_SHIFT) +#define RCC_CFGR_PLLMUL_MUL3 (0x01 << RCC_CFGR_PLLMUL_SHIFT) +#define RCC_CFGR_PLLMUL_MUL4 (0x02 << RCC_CFGR_PLLMUL_SHIFT) +#define RCC_CFGR_PLLMUL_MUL5 (0x03 << RCC_CFGR_PLLMUL_SHIFT) +#define RCC_CFGR_PLLMUL_MUL6 (0x04 << RCC_CFGR_PLLMUL_SHIFT) +#define RCC_CFGR_PLLMUL_MUL7 (0x05 << RCC_CFGR_PLLMUL_SHIFT) +#define RCC_CFGR_PLLMUL_MUL8 (0x06 << RCC_CFGR_PLLMUL_SHIFT) +#define RCC_CFGR_PLLMUL_MUL9 (0x07 << RCC_CFGR_PLLMUL_SHIFT) +#define RCC_CFGR_PLLMUL_MUL10 (0x08 << RCC_CFGR_PLLMUL_SHIFT) +#define RCC_CFGR_PLLMUL_MUL11 (0x09 << RCC_CFGR_PLLMUL_SHIFT) +#define RCC_CFGR_PLLMUL_MUL12 (0x0A << RCC_CFGR_PLLMUL_SHIFT) +#define RCC_CFGR_PLLMUL_MUL13 (0x0B << RCC_CFGR_PLLMUL_SHIFT) +#define RCC_CFGR_PLLMUL_MUL14 (0x0C << RCC_CFGR_PLLMUL_SHIFT) +#define RCC_CFGR_PLLMUL_MUL15 (0x0D << RCC_CFGR_PLLMUL_SHIFT) +#define RCC_CFGR_PLLMUL_MUL16 (0x0E << RCC_CFGR_PLLMUL_SHIFT) + +#define RCC_CFGR_PLLXTPRE (1<<17) +#define RCC_CFGR_PLLSRC (1<<16) +#define RCC_CFGR_PLLSRC0 (1<<15) +#define RCC_CFGR_ADCPRE (1<<14) + + +#define RCC_CFGR_PPRE_SHIFT 8 +#define RCC_CFGR_PPRE (7 << RCC_CFGR_PPRE_SHIFT) +#define RCC_CFGR_PPRE_NODIV (0 << RCC_CFGR_PPRE_SHIFT) +#define RCC_CFGR_PPRE_DIV2 (4 << RCC_CFGR_PPRE_SHIFT) +#define RCC_CFGR_PPRE_DIV4 (5 << RCC_CFGR_PPRE_SHIFT) +#define RCC_CFGR_PPRE_DIV8 (6 << RCC_CFGR_PPRE_SHIFT) +#define RCC_CFGR_PPRE_DIV16 (7 << RCC_CFGR_PPRE_SHIFT) + +#define RCC_CFGR_HPRE_SHIFT 4 +#define RCC_CFGR_HPRE (0xf << RCC_CFGR_HPRE_SHIFT) +#define RCC_CFGR_HPRE_NODIV (0x0 << RCC_CFGR_HPRE_SHIFT) +#define RCC_CFGR_HPRE_DIV2 (0x8 << RCC_CFGR_HPRE_SHIFT) +#define RCC_CFGR_HPRE_DIV4 (0x9 << RCC_CFGR_HPRE_SHIFT) +#define RCC_CFGR_HPRE_DIV8 (0xa << RCC_CFGR_HPRE_SHIFT) +#define RCC_CFGR_HPRE_DIV16 (0xb << RCC_CFGR_HPRE_SHIFT) +#define RCC_CFGR_HPRE_DIV64 (0xc << RCC_CFGR_HPRE_SHIFT) +#define RCC_CFGR_HPRE_DIV128 (0xd << RCC_CFGR_HPRE_SHIFT) +#define RCC_CFGR_HPRE_DIV256 (0xe << RCC_CFGR_HPRE_SHIFT) +#define RCC_CFGR_HPRE_DIV512 (0xf << RCC_CFGR_HPRE_SHIFT) + +#define RCC_CFGR_SWS_SHIFT 2 +#define RCC_CFGR_SWS (3 << RCC_CFGR_SWS_SHIFT) +#define RCC_CFGR_SWS_HSI (0 << RCC_CFGR_SWS_SHIFT) +#define RCC_CFGR_SWS_HSE (1 << RCC_CFGR_SWS_SHIFT) +#define RCC_CFGR_SWS_PLL (2 << RCC_CFGR_SWS_SHIFT) +#define RCC_CFGR_SWS_HSI48 (3 << RCC_CFGR_SWS_SHIFT) + +#define RCC_CFGR_SW_SHIFT 0 +#define RCC_CFGR_SW (3 << RCC_CFGR_SW_SHIFT) +#define RCC_CFGR_SW_HSI (0 << RCC_CFGR_SW_SHIFT) +#define RCC_CFGR_SW_HSE (1 << RCC_CFGR_SW_SHIFT) +#define RCC_CFGR_SW_PLL (2 << RCC_CFGR_SW_SHIFT) +#define RCC_CFGR_SW_HSI48 (3 << RCC_CFGR_SW_SHIFT) + +/* --- RCC_CIR values ------------------------------------------------------ */ + +#define RCC_CIR_CSSC (1 << 23) +#define RCC_CIR_HSI48RDYC (1 << 22) +#define RCC_CIR_HSI14RDYC (1 << 21) +#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) +#define RCC_CIR_HSI48RDYIE (1 << 14) +#define RCC_CIR_HSI14RDYIE (1 << 13) +#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) +#define RCC_CIR_CSSF (1 << 7) +#define RCC_CIR_HSI48RDYF (1 << 6) +#define RCC_CIR_HSI14RDYF (1 << 5) +#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) + +/* --- RCC_APB2RSTR values ------------------------------------------------- */ + +#define RCC_APB2RSTR_DBGMCURST (1 << 22) +#define RCC_APB2RSTR_TIM17RST (1 << 18) +#define RCC_APB2RSTR_TIM16RST (1 << 17) +#define RCC_APB2RSTR_TIM15RST (1 << 16) +#define RCC_APB2RSTR_USART1RST (1 << 14) +#define RCC_APB2RSTR_SPI1RST (1 << 12) +#define RCC_APB2RSTR_TIM1RST (1 << 11) +#define RCC_APB2RSTR_ADCRST (1 << 9) +#define RCC_APB2RSTR_SYSCFGRST (1 << 0) + +/* --- RCC_APB1RSTR values ------------------------------------------------- */ + +#define RCC_APB1RSTR_CECRST (1 << 30) +#define RCC_APB1RSTR_DACRST (1 << 29) +#define RCC_APB1RSTR_PWRRST (1 << 28) +#define RCC_APB1RSTR_CRSRST (1 << 27) +#define RCC_APB1RSTR_CANRST (1 << 25) +#define RCC_APB1RSTR_USBRST (1 << 23) +#define RCC_APB1RSTR_I2C2RST (1 << 22) +#define RCC_APB1RSTR_I2C1RST (1 << 21) +#define RCC_APB1RSTR_USART4RST (1 << 19) +#define RCC_APB1RSTR_USART3RST (1 << 18) +#define RCC_APB1RSTR_USART2RST (1 << 17) +#define RCC_APB1RSTR_SPI2RST (1 << 14) +#define RCC_APB1RSTR_WWDGRST (1 << 11) +#define RCC_APB1RSTR_TIM14RST (1 << 8) +#define RCC_APB1RSTR_TIM7RST (1 << 5) +#define RCC_APB1RSTR_TIM6RST (1 << 4) +#define RCC_APB1RSTR_TIM3RST (1 << 1) +#define RCC_APB1RSTR_TIM2RST (1 << 0) + +/* --- RCC_AHBENR values --------------------------------------------------- */ + +#define RCC_AHBENR_TSCEN (1 << 24) +#define RCC_AHBENR_GPIOFEN (1 << 22) +#define RCC_AHBENR_GPIOEEN (1 << 21) +#define RCC_AHBENR_GPIODEN (1 << 20) +#define RCC_AHBENR_GPIOCEN (1 << 19) +#define RCC_AHBENR_GPIOBEN (1 << 18) +#define RCC_AHBENR_GPIOAEN (1 << 17) +#define RCC_AHBENR_CRCEN (1 << 6) +#define RCC_AHBENR_FLTFEN (1 << 4) +#define RCC_AHBENR_SRAMEN (1 << 2) +#define RCC_AHBENR_DMAEN (1 << 0) + +/* --- RCC_APB2ENR values -------------------------------------------------- */ + +#define RCC_APB2ENR_DBGMCUEN (1 << 22) +#define RCC_APB2ENR_TIM17EN (1 << 18) +#define RCC_APB2ENR_TIM16EN (1 << 17) +#define RCC_APB2ENR_TIM15EN (1 << 16) +#define RCC_APB2ENR_USART1EN (1 << 14) +#define RCC_APB2ENR_SPI1EN (1 << 12) +#define RCC_APB2ENR_TIM1EN (1 << 11) +#define RCC_APB2ENR_ADCEN (1 << 9) +#define RCC_APB2ENR_SYSCFGCOMPEN (1 << 0) + +/* --- RCC_APB1ENR values -------------------------------------------------- */ + +#define RCC_APB1ENR_CECEN (1 << 30) +#define RCC_APB1ENR_DACEN (1 << 29) +#define RCC_APB1ENR_PWREN (1 << 28) +#define RCC_APB1ENR_CRSEN (1 << 27) +#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_USART4EN (1 << 19) +#define RCC_APB1ENR_USART3EN (1 << 18) +#define RCC_APB1ENR_USART2EN (1 << 17) +#define RCC_APB1ENR_SPI2EN (1 << 14) +#define RCC_APB1ENR_WWDGEN (1 << 11) +#define RCC_APB1ENR_TIM14EN (1 << 8) +#define RCC_APB1ENR_TIM7EN (1 << 5) +#define RCC_APB1ENR_TIM6EN (1 << 4) +#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) +#define RCC_BDCR_RTCSEL_SHIFT 8 +#define RCC_BDCR_RTCSEL (3 << RCC_BDCR_RTCSEL_SHIFT) +#define RCC_BDCR_RTCSEL_NOCLK (0 << RCC_BDCR_RTCSEL_SHIFT) +#define RCC_BDCR_RTCSEL_LSE (1 << RCC_BDCR_RTCSEL_SHIFT) +#define RCC_BDCR_RTCSEL_LSI (2 << RCC_BDCR_RTCSEL_SHIFT) +#define RCC_BDCR_RTCSEL_HSE (3 << RCC_BDCR_RTCSEL_SHIFT) +#define RCC_BDCR_LSEDRV_SHIFT 3 +#define RCC_BDCR_LSEDRV (3 << RCC_BDCR_LSEDRV_SHIFT) +#define RCC_BDCR_LSEDRV_LOW (0 << RCC_BDCR_LSEDRV_SHIFT) +#define RCC_BDCR_LSEDRV_MEDLO (1 << RCC_BDCR_LSEDRV_SHIFT) +#define RCC_BDCR_LSEDRV_MEDHI (2 << RCC_BDCR_LSEDRV_SHIFT) +#define RCC_BDCR_LSEDRV_HIGH (3 << RCC_BDCR_LSEDRV_SHIFT) +#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_V18PWRRSTF (1 << 23) +#define RCC_CSR_LSIRDY (1 << 1) +#define RCC_CSR_LSION (1 << 0) + +/* --- RCC_AHBRSTR values -------------------------------------------------- */ + +#define RCC_AHBRSTR_TSCRST (1 << 24) +#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) + + +/* --- RCC_CFGR2 values ---------------------------------------------------- */ + +#define RCC_CFGR2_PREDIV 0xf +#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_USART2SW_SHIFT 16 +#define RCC_CFGR3_USART2SW (3 << RCC_CFGR3_USART2SW_SHIFT) +#define RCC_CFGR3_USART2SW_PCLK (0 << RCC_CFGR3_USART2SW_SHIFT) +#define RCC_CFGR3_USART2SW_SYSCLK (1 << RCC_CFGR3_USART2SW_SHIFT) +#define RCC_CFGR3_USART2SW_LSE (2 << RCC_CFGR3_USART2SW_SHIFT) +#define RCC_CFGR3_USART2SW_HSI (3 << RCC_CFGR3_USART2SW_SHIFT) + +#define RCC_CFGR3_ADCSW (1 << 8) +#define RCC_CFGR3_USBSW (1 << 7) +#define RCC_CFGR3_CECSW (1 << 6) +#define RCC_CFGR3_I2C1SW (1 << 4) + +#define RCC_CFGR3_USART1SW_SHIFT 0 +#define RCC_CFGR3_USART1SW (3 << RCC_CFGR3_USART1SW_SHIFT) +#define RCC_CFGR3_USART1SW_PCLK (0 << RCC_CFGR3_USART1SW_SHIFT) +#define RCC_CFGR3_USART1SW_SYSCLK (1 << RCC_CFGR3_USART1SW_SHIFT) +#define RCC_CFGR3_USART1SW_LSE (2 << RCC_CFGR3_USART1SW_SHIFT) +#define RCC_CFGR3_USART1SW_HSI (3 << RCC_CFGR3_USART1SW_SHIFT) + +/* --- RCC_CFGR3 values ---------------------------------------------------- */ + +#define RCC_CR2_HSI48CAL_SHIFT 24 +#define RCC_CR2_HSI48CAL (0xFF << RCC_CR2_HSI48CAL_SHIFT) +#define RCC_CR2_HSI48RDY (1 << 17) +#define RCC_CR2_HSI48ON (1 << 16) +#define RCC_CR2_HSI14CAL_SHIFT 8 +#define RCC_CR2_HSI14CAL (0xFF << RCC_CR2_HSI14CAL_SHIFT) +#define RCC_CR2_HSI14TRIM_SHIFT 3 +#define RCC_CR2_HSI14TRIM (31 << RCC_CR2_HSI14TRIM_SHIFT) +#define RCC_CR2_HSI14DIS (1 << 2) +#define RCC_CR2_HSI14RDY (1 << 1) +#define RCC_CR2_HSI14ON (1 << 0) + +/*****************************************************************************/ +/* API definitions */ +/*****************************************************************************/ + +/* --- Variable definitions ------------------------------------------------ */ +extern uint32_t rcc_core_frequency; +extern uint32_t rcc_ppre_frequency; + +enum rcc_osc { + HSI14, HSI, HSE, PLL, LSI, LSE, HSI48 +}; + +#define _REG_BIT(base, bit) (((base) << 5) + (bit)) + +enum rcc_periph_clken { + /* AHB peripherals */ + RCC_DMA = _REG_BIT(0x14, 0), + RCC_SRAM = _REG_BIT(0x14, 2), + RCC_FLTIF = _REG_BIT(0x14, 4), + RCC_CRC = _REG_BIT(0x14, 6), + RCC_GPIOA = _REG_BIT(0x14, 17), + RCC_GPIOB = _REG_BIT(0x14, 18), + RCC_GPIOC = _REG_BIT(0x14, 19), + RCC_GPIOD = _REG_BIT(0x14, 20), + RCC_GPIOE = _REG_BIT(0x14, 21), + RCC_GPIOF = _REG_BIT(0x14, 22), + RCC_TSC = _REG_BIT(0x14, 24), + + /* APB2 peripherals */ + RCC_SYSCFG_COMP = _REG_BIT(0x18, 0), + RCC_ADC = _REG_BIT(0x18, 9), + RCC_TIM1 = _REG_BIT(0x18, 11), + RCC_SPI1 = _REG_BIT(0x18, 12), + RCC_USART1 = _REG_BIT(0x18, 14), + RCC_TIM15 = _REG_BIT(0x18, 16), + RCC_TIM16 = _REG_BIT(0x18, 17), + RCC_TIM17 = _REG_BIT(0x18, 18), + RCC_DBGMCU = _REG_BIT(0x18, 22), + + /* APB1 peripherals */ + RCC_TIM2 = _REG_BIT(0x1C, 0), + RCC_TIM3 = _REG_BIT(0x1C, 1), + RCC_TIM6 = _REG_BIT(0x1C, 4), + RCC_TIM7 = _REG_BIT(0x1C, 5), + RCC_TIM14 = _REG_BIT(0x1C, 8), + RCC_WWDG = _REG_BIT(0x1C, 11), + RCC_SPI2 = _REG_BIT(0x1C, 14), + RCC_USART2 = _REG_BIT(0x1C, 17), + RCC_USART3 = _REG_BIT(0x1C, 18), + RCC_USART4 = _REG_BIT(0x1C, 19), + RCC_I2C1 = _REG_BIT(0x1C, 21), + RCC_I2C2 = _REG_BIT(0x1C, 22), + RCC_USB = _REG_BIT(0x1C, 23), + RCC_CAN = _REG_BIT(0x1C, 25), + RCC_CRS = _REG_BIT(0x1C, 27), + RCC_PWR = _REG_BIT(0x1C, 28), + RCC_DAC = _REG_BIT(0x1C, 29), + RCC_CEC = _REG_BIT(0x1C, 30), + + /* Advanced peripherals */ + RCC_RTC = _REG_BIT(0x20, 15),/* BDCR[15] */ +}; + +enum rcc_periph_rst { + /* APB2 peripherals */ + RST_SYSCFG = _REG_BIT(0x0C, 0), + RST_ADC = _REG_BIT(0x0C, 9), + RST_TIM1 = _REG_BIT(0x0C, 11), + RST_SPI1 = _REG_BIT(0x0C, 12), + RST_USART1 = _REG_BIT(0x0C, 14), + RST_TIM15 = _REG_BIT(0x0C, 16), + RST_TIM16 = _REG_BIT(0x0C, 17), + RST_TIM17 = _REG_BIT(0x0C, 18), + RST_DBGMCU = _REG_BIT(0x0C, 22), + + /* APB1 peripherals */ + RST_TIM2 = _REG_BIT(0x10, 0), + RST_TIM3 = _REG_BIT(0x10, 1), + RST_TIM6 = _REG_BIT(0x10, 4), + RST_TIM7 = _REG_BIT(0x10, 5), + RST_TIM14 = _REG_BIT(0x10, 8), + RST_WWDG = _REG_BIT(0x10, 11), + RST_SPI2 = _REG_BIT(0x10, 14), + RST_USART2 = _REG_BIT(0x10, 17), + RST_USART3 = _REG_BIT(0x10, 18), + RST_USART4 = _REG_BIT(0x10, 19), + RST_I2C1 = _REG_BIT(0x10, 21), + RST_I2C2 = _REG_BIT(0x10, 22), + RST_USB = _REG_BIT(0x10, 23), + RST_CAN = _REG_BIT(0x10, 25), + RST_CRS = _REG_BIT(0x10, 27), + RST_PWR = _REG_BIT(0x10, 28), + RST_DAC = _REG_BIT(0x10, 29), + RST_CEC = _REG_BIT(0x10, 30), + + /* Advanced peripherals */ + RST_BACKUPDOMAIN = _REG_BIT(0x20, 16),/* BDCR[16] */ + + /* AHB peripherals */ + RST_GPIOA = _REG_BIT(0x28, 17), + RST_GPIOB = _REG_BIT(0x28, 18), + RST_GPIOC = _REG_BIT(0x28, 19), + RST_GPIOD = _REG_BIT(0x28, 20), + RST_GPIOE = _REG_BIT(0x28, 21), + RST_GPIOF = _REG_BIT(0x28, 22), + RST_TSC = _REG_BIT(0x28, 24), +}; +#undef _REG_BIT + +/*****************************************************************************/ +/* API Functions */ +/*****************************************************************************/ + +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_wait_for_osc_ready(enum rcc_osc osc); +void rcc_osc_on(enum rcc_osc osc); +void rcc_osc_off(enum rcc_osc osc); +void rcc_osc_bypass_enable(enum rcc_osc osc); +void rcc_osc_bypass_disable(enum rcc_osc osc); +void rcc_css_enable(void); +void rcc_css_disable(void); +void rcc_css_int_clear(void); +int rcc_css_int_flag(void); +void rcc_set_sysclk_source(enum rcc_osc clk); +void rcc_set_pll_multiplication_factor(uint32_t mul); +void rcc_set_ppre(uint32_t ppre); +void rcc_set_hpre(uint32_t hpre); +void rcc_set_prediv(uint32_t prediv); +void rcc_set_mco(uint32_t mcosrc); +enum rcc_osc rcc_system_clock_source(void); +void rcc_clock_setup_in_hsi_out_8mhz(void); +void rcc_clock_setup_in_hsi_out_16mhz(void); +void rcc_clock_setup_in_hsi_out_24mhz(void); +void rcc_clock_setup_in_hsi_out_32mhz(void); +void rcc_clock_setup_in_hsi_out_40mhz(void); +void rcc_clock_setup_in_hsi_out_48mhz(void); +void rcc_periph_clock_enable(enum rcc_periph_clken periph); +void rcc_periph_clock_disable(enum rcc_periph_clken periph); +void rcc_periph_reset_pulse(enum rcc_periph_rst periph); +void rcc_periph_reset_hold(enum rcc_periph_rst periph); +void rcc_periph_reset_release(enum rcc_periph_rst periph); + +END_DECLS + +#endif +/**@}*/ + |