From b0c0f93b8f60d3cf5225987d04c4ef84f8f72cee Mon Sep 17 00:00:00 2001 From: gdisirio Date: Wed, 16 May 2012 17:04:28 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4201 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/platforms/STM32F0xx/hal_lld.c | 285 +++++++++++++ os/hal/platforms/STM32F0xx/hal_lld.h | 788 +++++++++++++++++++++++++++++++++++ 2 files changed, 1073 insertions(+) create mode 100644 os/hal/platforms/STM32F0xx/hal_lld.c create mode 100644 os/hal/platforms/STM32F0xx/hal_lld.h (limited to 'os/hal/platforms/STM32F0xx') diff --git a/os/hal/platforms/STM32F0xx/hal_lld.c b/os/hal/platforms/STM32F0xx/hal_lld.c new file mode 100644 index 000000000..806ec3ea3 --- /dev/null +++ b/os/hal/platforms/STM32F0xx/hal_lld.c @@ -0,0 +1,285 @@ +/* + ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010, + 2011,2012 Giovanni Di Sirio. + + This file is part of ChibiOS/RT. + + ChibiOS/RT is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/RT 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +/** + * @file STM32F0xx/hal_lld.c + * @brief STM32F0xx HAL subsystem low level driver source. + * + * @addtogroup HAL + * @{ + */ + +#include "ch.h" +#include "hal.h" + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/** + * @brief Initializes the backup domain. + * @note WARNING! Changing clock source impossible without resetting + * of the whole BKP domain. + */ +static void hal_lld_backup_domain_init(void) { + + /* Backup domain access enabled and left open.*/ + PWR->CR |= PWR_CR_DBP; + + /* Reset BKP domain if different clock source selected.*/ + if ((RCC->BDCR & STM32_RTCSEL_MASK) != STM32_RTCSEL){ + /* Backup domain reset.*/ + RCC->BDCR = RCC_BDCR_BDRST; + RCC->BDCR = 0; + } + + /* If enabled then the LSE is started.*/ +#if STM32_LSE_ENABLED + RCC->BDCR |= RCC_BDCR_LSEON; + while ((RCC->BDCR & RCC_BDCR_LSERDY) == 0) + ; /* Waits until LSE is stable. */ +#endif + +#if STM32_RTCSEL != STM32_RTCSEL_NOCLOCK + /* If the backup domain hasn't been initialized yet then proceed with + initialization.*/ + if ((RCC->BDCR & RCC_BDCR_RTCEN) == 0) { + /* Selects clock source.*/ + RCC->BDCR |= STM32_RTCSEL; + + /* RTC clock enabled.*/ + RCC->BDCR |= RCC_BDCR_RTCEN; + } +#endif /* STM32_RTCSEL != STM32_RTCSEL_NOCLOCK */ +} + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Low level HAL driver initialization. + * + * @notapi + */ +void hal_lld_init(void) { + + /* Reset of all peripherals.*/ + rccResetAPB1(0xFFFFFFFF); + rccResetAPB2(0xFFFFFFFF); + + /* SysTick initialization using the system clock.*/ + SysTick->LOAD = STM32_HCLK / CH_FREQUENCY - 1; + SysTick->VAL = 0; + SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | + SysTick_CTRL_ENABLE_Msk | + SysTick_CTRL_TICKINT_Msk; + + /* DWT cycle counter enable.*/ + SCS_DEMCR |= SCS_DEMCR_TRCENA; + DWT_CTRL |= DWT_CTRL_CYCCNTENA; + + /* PWR and BD clocks enabled.*/ + rccEnablePWRInterface(FALSE); + rccEnableBKPInterface(FALSE); + + /* Initializes the backup domain.*/ + hal_lld_backup_domain_init(); + +#if defined(STM32_DMA_REQUIRED) + dmaInit(); +#endif + + /* Programmable voltage detector enable.*/ +#if STM32_PVD_ENABLE + PWR->CR |= PWR_CR_PVDE | (STM32_PLS & STM32_PLS_MASK); +#endif /* STM32_PVD_ENABLE */ +} + +/** + * @brief STM32 clocks and PLL initialization. + * @note All the involved constants come from the file @p board.h. + * @note This function should be invoked just after the system reset. + * + * @special + */ +#if defined(STM32F10X_LD) || defined(STM32F10X_LD_VL) || \ + defined(STM32F10X_MD) || defined(STM32F10X_MD_VL) || \ + defined(STM32F10X_HD) || defined(STM32F10X_XL) || \ + defined(__DOXYGEN__) +/* + * Clocks initialization for all sub-families except CL. + */ +void stm32_clock_init(void) { + +#if !STM32_NO_INIT + /* HSI setup, it enforces the reset situation in order to handle possible + problems with JTAG probes and re-initializations.*/ + RCC->CR |= RCC_CR_HSION; /* Make sure HSI is ON. */ + while (!(RCC->CR & RCC_CR_HSIRDY)) + ; /* Wait until HSI is stable. */ + RCC->CR &= RCC_CR_HSITRIM | RCC_CR_HSION; /* CR Reset value. */ + RCC->CFGR = 0; /* CFGR reset value. */ + while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_HSI) + ; /* Waits until HSI is selected. */ + +#if STM32_HSE_ENABLED + /* HSE activation.*/ + RCC->CR |= RCC_CR_HSEON; + while (!(RCC->CR & RCC_CR_HSERDY)) + ; /* Waits until HSE is stable. */ +#endif + +#if STM32_LSI_ENABLED + /* LSI activation.*/ + RCC->CSR |= RCC_CSR_LSION; + while ((RCC->CSR & RCC_CSR_LSIRDY) == 0) + ; /* Waits until LSI is stable. */ +#endif + +#if STM32_ACTIVATE_PLL + /* PLL activation.*/ + RCC->CFGR |= STM32_PLLMUL | STM32_PLLXTPRE | STM32_PLLSRC; + RCC->CR |= RCC_CR_PLLON; + while (!(RCC->CR & RCC_CR_PLLRDY)) + ; /* Waits until PLL is stable. */ +#endif + + /* Clock settings.*/ +#if STM32_HAS_USB + RCC->CFGR = STM32_MCOSEL | STM32_USBPRE | STM32_PLLMUL | STM32_PLLXTPRE | + STM32_PLLSRC | STM32_ADCPRE | STM32_PPRE2 | STM32_PPRE1 | + STM32_HPRE; +#else + RCC->CFGR = STM32_MCOSEL | STM32_PLLMUL | STM32_PLLXTPRE | + STM32_PLLSRC | STM32_ADCPRE | STM32_PPRE2 | STM32_PPRE1 | + STM32_HPRE; +#endif + + /* Flash setup and final clock selection. */ + FLASH->ACR = STM32_FLASHBITS; + + /* Switching to the configured clock source if it is different from HSI.*/ +#if (STM32_SW != STM32_SW_HSI) + /* Switches clock source.*/ + RCC->CFGR |= STM32_SW; + while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2)) + ; /* Waits selection complete. */ +#endif +#endif /* !STM32_NO_INIT */ +} + +#elif defined(STM32F10X_CL) +/* + * Clocks initialization for the CL sub-family. + */ +void stm32_clock_init(void) { + +#if !STM32_NO_INIT + /* HSI setup.*/ + RCC->CR |= RCC_CR_HSION; /* Make sure HSI is ON. */ + while (!(RCC->CR & RCC_CR_HSIRDY)) + ; /* Wait until HSI is stable. */ + RCC->CFGR = 0; + RCC->CR &= RCC_CR_HSITRIM | RCC_CR_HSION; /* CR Reset value. */ + while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_HSI) + ; /* Wait until HSI is the source.*/ + +#if STM32_HSE_ENABLED +#if defined(STM32_HSE_BYPASS) + /* HSE Bypass.*/ + RCC->CR |= RCC_CR_HSEBYP; +#endif + /* HSE activation.*/ + RCC->CR |= RCC_CR_HSEON; + while (!(RCC->CR & RCC_CR_HSERDY)) + ; /* Waits until HSE is stable. */ +#endif + +#if STM32_LSI_ENABLED + /* LSI activation.*/ + RCC->CSR |= RCC_CSR_LSION; + while ((RCC->CSR & RCC_CSR_LSIRDY) == 0) + ; /* Waits until LSI is stable. */ +#endif + + /* Settings of various dividers and multipliers in CFGR2.*/ + RCC->CFGR2 = STM32_PLL3MUL | STM32_PLL2MUL | STM32_PREDIV2 | + STM32_PREDIV1 | STM32_PREDIV1SRC; + + /* PLL2 setup, if activated.*/ +#if STM32_ACTIVATE_PLL2 + RCC->CR |= RCC_CR_PLL2ON; + while (!(RCC->CR & RCC_CR_PLL2RDY)) + ; /* Waits until PLL2 is stable. */ +#endif + + /* PLL3 setup, if activated.*/ +#if STM32_ACTIVATE_PLL3 + RCC->CR |= RCC_CR_PLL3ON; + while (!(RCC->CR & RCC_CR_PLL3RDY)) + ; /* Waits until PLL3 is stable. */ +#endif + + /* PLL1 setup, if activated.*/ +#if STM32_ACTIVATE_PLL1 + RCC->CFGR |= STM32_PLLMUL | STM32_PLLSRC; + RCC->CR |= RCC_CR_PLLON; + while (!(RCC->CR & RCC_CR_PLLRDY)) + ; /* Waits until PLL1 is stable. */ +#endif + + /* Clock settings.*/ +#if STM32_HAS_OTG1 + RCC->CFGR = STM32_MCOSEL | STM32_OTGFSPRE | STM32_PLLMUL | STM32_PLLSRC | + STM32_ADCPRE | STM32_PPRE2 | STM32_PPRE1 | STM32_HPRE; +#else + RCC->CFGR = STM32_MCO | STM32_PLLMUL | STM32_PLLSRC | + STM32_ADCPRE | STM32_PPRE2 | STM32_PPRE1 | STM32_HPRE; +#endif + + /* Flash setup and final clock selection. */ + FLASH->ACR = STM32_FLASHBITS; /* Flash wait states depending on clock. */ + + /* Switching to the configured clock source if it is different from HSI.*/ +#if (STM32_SW != STM32_SW_HSI) + RCC->CFGR |= STM32_SW; /* Switches on the selected clock source. */ + while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2)) + ; +#endif +#endif /* !STM32_NO_INIT */ +} +#else +void stm32_clock_init(void) {} +#endif + +/** @} */ diff --git a/os/hal/platforms/STM32F0xx/hal_lld.h b/os/hal/platforms/STM32F0xx/hal_lld.h new file mode 100644 index 000000000..1689c24e2 --- /dev/null +++ b/os/hal/platforms/STM32F0xx/hal_lld.h @@ -0,0 +1,788 @@ +/* + ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010, + 2011,2012 Giovanni Di Sirio. + + This file is part of ChibiOS/RT. + + ChibiOS/RT is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/RT 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +/** + * @file STM32F0xx/hal_lld.h + * @brief STM32F0xx HAL subsystem low level driver header. + * @pre This module requires the following macros to be defined in the + * @p board.h file: + * - STM32_LSECLK. + * - STM32_HSECLK. + * - STM32_HSE_BYPASS (optionally). + * . + * One of the following macros must also be defined: + * - STM32F0XX for Entry Level devices. + * . + * + * @addtogroup HAL + * @{ + */ + +#ifndef _HAL_LLD_H_ +#define _HAL_LLD_H_ + +#include "stm32.h" + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/** + * @brief Defines the support for realtime counters in the HAL. + */ +#define HAL_IMPLEMENTS_COUNTERS FALSE + +/** + * @name Platform identification + * @{ + */ +#define PLATFORM_NAME "STM32F0 Entry Level" +/** @} */ + +/** + * @name Absolute Maximum Ratings + * @{ + */ +/** + * @brief Maximum system clock frequency. + */ +#define STM32_SYSCLK_MAX 48000000 + +/** + * @brief Maximum HSE clock frequency. + */ +#define STM32_HSECLK_MAX 32000000 + +/** + * @brief Minimum HSE clock frequency. + */ +#define STM32_HSECLK_MIN 1000000 + +/** + * @brief Maximum LSE clock frequency. + */ +#define STM32_LSECLK_MAX 1000000 + +/** + * @brief Minimum LSE clock frequency. + */ +#define STM32_LSECLK_MIN 32768 + +/** + * @brief Maximum PLLs input clock frequency. + */ +#define STM32_PLLIN_MAX 25000000 + +/** + * @brief Maximum PLLs input clock frequency. + */ +#define STM32_PLLIN_MIN 1000000 + +/** + * @brief Maximum PLL output clock frequency. + */ +#define STM32_PLLOUT_MAX 48000000 + +/** + * @brief Maximum PLL output clock frequency. + */ +#define STM32_PLLOUT_MIN 16000000 + +/** + * @brief Maximum APB clock frequency. + */ +#define STM32_PCLK_MAX 48000000 + +/** + * @brief Maximum ADC clock frequency. + */ +#define STM32_ADCCLK_MAX 14000000 +/** @} */ + +/** + * @name Internal clock sources + * @{ + */ +#define STM32_HSICLK 8000000 /**< High speed internal clock. */ +#define STM32_HSI14CLK 14000000 /**< 14MHz speed internal clock.*/ +#define STM32_LSICLK 40000 /**< Low speed internal clock. */ +/** @} */ + +/** + * @name PWR_CR register bits definitions + * @{ + */ +#define STM32_PLS_MASK (7 << 5) /**< PLS bits mask. */ +#define STM32_PLS_LEV0 (0 << 5) /**< PVD level 0. */ +#define STM32_PLS_LEV1 (1 << 5) /**< PVD level 1. */ +#define STM32_PLS_LEV2 (2 << 5) /**< PVD level 2. */ +#define STM32_PLS_LEV3 (3 << 5) /**< PVD level 3. */ +#define STM32_PLS_LEV4 (4 << 5) /**< PVD level 4. */ +#define STM32_PLS_LEV5 (5 << 5) /**< PVD level 5. */ +#define STM32_PLS_LEV6 (6 << 5) /**< PVD level 6. */ +#define STM32_PLS_LEV7 (7 << 5) /**< PVD level 7. */ +/** @} */ + +/** + * @name RCC_CFGR register bits definitions + * @{ + */ +#define STM32_SW_HSI (0 << 0) /**< SYSCLK source is HSI. */ +#define STM32_SW_HSE (1 << 0) /**< SYSCLK source is HSE. */ +#define STM32_SW_PLL (2 << 0) /**< SYSCLK source is PLL. */ + +#define STM32_HPRE_DIV1 (0 << 4) /**< SYSCLK divided by 1. */ +#define STM32_HPRE_DIV2 (8 << 4) /**< SYSCLK divided by 2. */ +#define STM32_HPRE_DIV4 (9 << 4) /**< SYSCLK divided by 4. */ +#define STM32_HPRE_DIV8 (10 << 4) /**< SYSCLK divided by 8. */ +#define STM32_HPRE_DIV16 (11 << 4) /**< SYSCLK divided by 16. */ +#define STM32_HPRE_DIV64 (12 << 4) /**< SYSCLK divided by 64. */ +#define STM32_HPRE_DIV128 (13 << 4) /**< SYSCLK divided by 128. */ +#define STM32_HPRE_DIV256 (14 << 4) /**< SYSCLK divided by 256. */ +#define STM32_HPRE_DIV512 (15 << 4) /**< SYSCLK divided by 512. */ + +#define STM32_PPRE_DIV1 (0 << 8) /**< HCLK divided by 1. */ +#define STM32_PPRE_DIV2 (4 << 8) /**< HCLK divided by 2. */ +#define STM32_PPRE_DIV4 (5 << 8) /**< HCLK divided by 4. */ +#define STM32_PPRE_DIV8 (6 << 8) /**< HCLK divided by 8. */ +#define STM32_PPRE_DIV16 (7 << 8) /**< HCLK divided by 16. */ + +#define STM32_ADCPRE_DIV2 (0 << 14) /**< PCLK divided by 2. */ +#define STM32_ADCPRE_DIV4 (1 << 14) /**< PCLK divided by 4. */ + +#define STM32_PLLSRC_HSI (0 << 16) /**< PLL clock source is HSI. */ +#define STM32_PLLSRC_HSE (1 << 16) /**< PLL clock source is HSE. */ + +#define STM32_PLLXTPRE_DIV1 (0 << 17) /**< HSE divided by 1. */ +#define STM32_PLLXTPRE_DIV2 (1 << 17) /**< HSE divided by 2. */ + +#define STM32_MCOSEL_NOCLOCK (0 << 24) /**< No clock on MCO pin. */ +#define STM32_MCOSEL_HSI14 (3 << 24) /**< HSI14 clock on MCO pin. */ +#define STM32_MCOSEL_SYSCLK (4 << 24) /**< SYSCLK on MCO pin. */ +#define STM32_MCOSEL_HSI (5 << 24) /**< HSI clock on MCO pin. */ +#define STM32_MCOSEL_HSE (6 << 24) /**< HSE clock on MCO pin. */ +#define STM32_MCOSEL_PLLDIV2 (7 << 24) /**< PLL/2 clock on MCO pin. */ +/** @} */ + +/** + * @name RCC_BDCR register bits definitions + * @{ + */ +#define STM32_RTCSEL_MASK (3 << 8) /**< RTC clock source mask. */ +#define STM32_RTCSEL_NOCLOCK (0 << 8) /**< No clock. */ +#define STM32_RTCSEL_LSE (1 << 8) /**< LSE used as RTC clock. */ +#define STM32_RTCSEL_LSI (2 << 8) /**< LSI used as RTC clock. */ +#define STM32_RTCSEL_HSEDIV (3 << 8) /**< HSE divided by 32 used as + RTC clock. */ +/** @} */ + +/*===========================================================================*/ +/* Platform capabilities. */ +/*===========================================================================*/ + +/** + * @name STM32F0xx capabilities + * @{ + */ +/* ADC attributes.*/ +#define STM32_HAS_ADC1 TRUE +#define STM32_HAS_ADC2 FALSE +#define STM32_HAS_ADC3 FALSE + +/* CAN attributes.*/ +#define STM32_HAS_CAN1 FALSE +#define STM32_HAS_CAN2 FALSE + +/* DAC attributes.*/ +#define STM32_HAS_DAC TRUE + +/* DMA attributes.*/ +#define STM32_ADVANCED_DMA FALSE +#define STM32_HAS_DMA1 TRUE +#define STM32_HAS_DMA2 FALSE + +/* ETH attributes.*/ +#define STM32_HAS_ETH FALSE + +/* EXTI attributes.*/ +#define STM32_EXTI_NUM_CHANNELS 28 + +/* GPIO attributes.*/ +#define STM32_HAS_GPIOA TRUE +#define STM32_HAS_GPIOB TRUE +#define STM32_HAS_GPIOC TRUE +#define STM32_HAS_GPIOD TRUE +#define STM32_HAS_GPIOE FALSE +#define STM32_HAS_GPIOF TRUE +#define STM32_HAS_GPIOG FALSE +#define STM32_HAS_GPIOH FALSE +#define STM32_HAS_GPIOI FALSE + +/* I2C attributes.*/ +#define STM32_HAS_I2C1 TRUE +#define STM32_I2C1_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 3)) +#define STM32_I2C1_RX_DMA_CHN 0x00000000 +#define STM32_I2C1_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 2)) +#define STM32_I2C1_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_I2C2 TRUE +#define STM32_I2C2_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 5)) +#define STM32_I2C2_RX_DMA_CHN 0x00000000 +#define STM32_I2C2_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 4)) +#define STM32_I2C2_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_I2C3 FALSE +#define STM32_I2C3_RX_DMA_MSK 0 +#define STM32_I2C3_RX_DMA_CHN 0x00000000 +#define STM32_I2C3_TX_DMA_MSK 0 +#define STM32_I2C3_TX_DMA_CHN 0x00000000 + +/* RTC attributes.*/ +#define STM32_HAS_RTC TRUE +#define STM32_RTC_HAS_SUBSECONDS FALSE +#define STM32_RTC_IS_CALENDAR TRUE + +/* SDIO attributes.*/ +#define STM32_HAS_SDIO FALSE + +/* SPI attributes.*/ +#define STM32_HAS_SPI1 TRUE +#define STM32_SPI1_RX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 2) +#define STM32_SPI1_RX_DMA_CHN 0x00000000 +#define STM32_SPI1_TX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 3) +#define STM32_SPI1_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_SPI2 TRUE +#define STM32_SPI2_RX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 4) +#define STM32_SPI2_RX_DMA_CHN 0x00000000 +#define STM32_SPI2_TX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 5) +#define STM32_SPI2_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_SPI3 FALSE +#define STM32_SPI3_RX_DMA_MSK 0 +#define STM32_SPI3_RX_DMA_CHN 0x00000000 +#define STM32_SPI3_TX_DMA_MSK 0 +#define STM32_SPI3_TX_DMA_CHN 0x00000000 + +/* TIM attributes.*/ +#define STM32_HAS_TIM1 TRUE +#define STM32_HAS_TIM2 TRUE +#define STM32_HAS_TIM3 TRUE +#define STM32_HAS_TIM4 FALSE +#define STM32_HAS_TIM5 FALSE +#define STM32_HAS_TIM6 TRUE +#define STM32_HAS_TIM7 FALSE +#define STM32_HAS_TIM8 FALSE +#define STM32_HAS_TIM9 FALSE +#define STM32_HAS_TIM10 FALSE +#define STM32_HAS_TIM11 FALSE +#define STM32_HAS_TIM12 FALSE +#define STM32_HAS_TIM13 FALSE +#define STM32_HAS_TIM14 TRUE +#define STM32_HAS_TIM15 TRUE +#define STM32_HAS_TIM16 TRUE +#define STM32_HAS_TIM17 TRUE + +/* USART attributes.*/ +#define STM32_HAS_USART1 TRUE +#define STM32_USART1_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 3)) +#define STM32_USART1_RX_DMA_CHN 0x00000000 +#define STM32_USART1_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 2)) +#define STM32_USART1_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_USART2 TRUE +#define STM32_USART2_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 5)) +#define STM32_USART2_RX_DMA_CHN 0x00000000 +#define STM32_USART2_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 4)) +#define STM32_USART2_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_USART3 FALSE +#define STM32_USART3_RX_DMA_MSK 0 +#define STM32_USART3_RX_DMA_CHN 0x00000000 +#define STM32_USART3_TX_DMA_MSK 0 +#define STM32_USART3_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_UART4 FALSE +#define STM32_UART4_RX_DMA_MSK 0 +#define STM32_UART4_RX_DMA_CHN 0x00000000 +#define STM32_UART4_TX_DMA_MSK 0 +#define STM32_UART4_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_UART5 FALSE +#define STM32_UART5_RX_DMA_MSK 0 +#define STM32_UART5_RX_DMA_CHN 0x00000000 +#define STM32_UART5_TX_DMA_MSK 0 +#define STM32_UART5_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_USART6 FALSE +#define STM32_USART6_RX_DMA_MSK 0 +#define STM32_USART6_RX_DMA_CHN 0x00000000 +#define STM32_USART6_TX_DMA_MSK 0 +#define STM32_USART6_TX_DMA_CHN 0x00000000 + +/* USB attributes.*/ +#define STM32_HAS_USB TRUE +#define STM32_HAS_OTG1 FALSE +#define STM32_HAS_OTG2 FALSE +/** @} */ + +/*===========================================================================*/ +/* Platform specific friendly IRQ names. */ +/*===========================================================================*/ + +/** + * @name IRQ VECTOR names + * @{ + */ +#define WWDG_IRQHandler Vector40 /**< Window Watchdog. */ +#define PVD_IRQHandler Vector44 /**< PVD through EXTI Line + detect. */ +#define RTC_IRQHandler Vector48 /**< RTC. */ +#define FLASH_IRQHandler Vector4C /**< Flash. */ +#define RCC_IRQHandler Vector50 /**< RCC. */ +#define EXTI0_1_IRQHandler Vector54 /**< EXTI Line 0..1. */ +#define EXTI2_3_IRQHandler Vector58 /**< EXTI Line 2..3. */ +#define EXTI4_15_IRQHandler Vector5C /**< EXTI Line 4..15. */ +#define TS_IRQHandler Vector60 /**< TS. */ +#define DMA1_Ch1_IRQHandler Vector64 /**< DMA1 Channel 1. */ +#define DMA1_Ch2_3_IRQHandler Vector68 /**< DMA1 Channels 2 and 3. */ +#define DMA1_Ch4_5_IRQHandler Vector6C /**< DMA1 Channels 4 and 5. */ +#define ADC1_COMP_IRQHandler Vector70 /**< ADC1 comparators 1 and 2. */ +#define TIM1_BRK_UP_TRG_COM_IRQHandler Vector74 /**< TIM1 common. */ +#define TIM1_CC_IRQHandler Vector78 /**< TIM1 Capture Compare. */ +#define TIM2_IRQHandler Vector7C /**< TIM2. */ +#define TIM3_IRQHandler Vector80 /**< TIM3. */ +#define TIM6_DAC_IRQHandler Vector84 /**< TIM6 and DAC. */ +#define TIM14_IRQHandler Vector8C /**< TIM14. */ +#define TIM15_IRQHandler Vector90 /**< TIM15. */ +#define TIM16_IRQHandler Vector94 /**< TIM16. */ +#define TIM17_IRQHandler Vector98 /**< TIM17. */ +#define I2C1_IRQHandler Vector9C /**< I2C1. */ +#define I2C2_IRQHandler VectorA0 /**< I2C2. */ +#define SPI1_IRQHandler VectorA4 /**< SPI1. */ +#define SPI2_IRQHandler VectorA8 /**< SPI2. */ +#define USART1_IRQHandler VectorAC /**< USART1. */ +#define USART2_IRQHandler VectorB0 /**< USART2. */ +#define CEC_IRQHandler VectorB8 /**< CEC. */ +/** @} */ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @name Configuration options + * @{ + */ +/** + * @brief Disables the PWR/RCC initialization in the HAL. + */ +#if !defined(STM32_NO_INIT) || defined(__DOXYGEN__) +#define STM32_NO_INIT FALSE +#endif + +/** + * @brief Enables or disables the programmable voltage detector. + */ +#if !defined(STM32_PVD_ENABLE) || defined(__DOXYGEN__) +#define STM32_PVD_ENABLE FALSE +#endif + +/** + * @brief Sets voltage level for programmable voltage detector. + */ +#if !defined(STM32_PLS) || defined(__DOXYGEN__) +#define STM32_PLS STM32_PLS_LEV0 +#endif + +/** + * @brief Enables or disables the HSI clock source. + */ +#if !defined(STM32_HSI_ENABLED) || defined(__DOXYGEN__) +#define STM32_HSI_ENABLED TRUE +#endif + +/** + * @brief Enables or disables the LSI clock source. + */ +#if !defined(STM32_LSI_ENABLED) || defined(__DOXYGEN__) +#define STM32_LSI_ENABLED FALSE +#endif + +/** + * @brief Enables or disables the HSE clock source. + */ +#if !defined(STM32_HSE_ENABLED) || defined(__DOXYGEN__) +#define STM32_HSE_ENABLED TRUE +#endif + +/** + * @brief Enables or disables the LSE clock source. + */ +#if !defined(STM32_LSE_ENABLED) || defined(__DOXYGEN__) +#define STM32_LSE_ENABLED FALSE +#endif +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/* + * HSI related checks. + */ +#if STM32_HSI_ENABLED +#else /* !STM32_HSI_ENABLED */ + +#if STM32_SW == STM32_SW_HSI +#error "HSI not enabled, required by STM32_SW" +#endif + +#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSI) +#error "HSI not enabled, required by STM32_SW and STM32_PLLSRC" +#endif + +#if (STM32_MCOSEL == STM32_MCOSEL_HSI) || \ + ((STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) && \ + (STM32_PLLSRC == STM32_PLLSRC_HSI)) +#error "HSI not enabled, required by STM32_MCOSEL" +#endif + +#endif /* !STM32_HSI_ENABLED */ + +/* + * HSE related checks. + */ +#if STM32_HSE_ENABLED + +#if STM32_HSECLK == 0 +#error "HSE frequency not defined" +#elif (STM32_HSECLK < STM32_HSECLK_MIN) || (STM32_HSECLK > STM32_HSECLK_MAX) +#error "STM32_HSECLK outside acceptable range (STM32_HSECLK_MIN...STM32_HSECLK_MAX)" +#endif + +#else /* !STM32_HSE_ENABLED */ + +#if STM32_SW == STM32_SW_HSE +#error "HSE not enabled, required by STM32_SW" +#endif + +#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSE) +#error "HSE not enabled, required by STM32_SW and STM32_PLLSRC" +#endif + +#if (STM32_MCOSEL == STM32_MCOSEL_HSE) || \ + ((STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) && (STM32_PLLSRC == STM32_PLLSRC_HSE)) +#error "HSE not enabled, required by STM32_MCOSEL" +#endif + +#if STM32_RTCSEL == STM32_RTCSEL_HSEDIV +#error "HSE not enabled, required by STM32_RTCSEL" +#endif + +#endif /* !STM32_HSE_ENABLED */ + +/* + * LSI related checks. + */ +#if STM32_LSI_ENABLED +#else /* !STM32_LSI_ENABLED */ + +#if STM32_RTCSEL == STM32_RTCSEL_LSI +#error "LSI not enabled, required by STM32_RTCSEL" +#endif + +#endif /* !STM32_LSI_ENABLED */ + +/* + * LSE related checks. + */ +#if STM32_LSE_ENABLED + +#if (STM32_LSECLK == 0) +#error "LSE frequency not defined" +#endif + +#if (STM32_LSECLK < STM32_LSECLK_MIN) || (STM32_LSECLK > STM32_LSECLK_MAX) +#error "STM32_LSECLK outside acceptable range (STM32_LSECLK_MIN...STM32_LSECLK_MAX)" +#endif + +#else /* !STM32_LSE_ENABLED */ + +#if STM32_RTCSEL == STM32_RTCSEL_LSE +#error "LSE not enabled, required by STM32_RTCSEL" +#endif + +#endif /* !STM32_LSE_ENABLED */ + +/* PLL activation conditions.*/ +#if STM32_USB_CLOCK_REQUIRED || \ + (STM32_SW == STM32_SW_PLL) || \ + (STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) || \ + defined(__DOXYGEN__) +/** + * @brief PLL activation flag. + */ +#define STM32_ACTIVATE_PLL TRUE +#else +#define STM32_ACTIVATE_PLL FALSE +#endif + +/* HSE prescaler setting check.*/ +#if (STM32_PLLXTPRE != STM32_PLLXTPRE_DIV1) && \ + (STM32_PLLXTPRE != STM32_PLLXTPRE_DIV2) +#error "invalid STM32_PLLXTPRE value specified" +#endif + +/** + * @brief PLLMUL field. + */ +#if ((STM32_PLLMUL_VALUE >= 2) && (STM32_PLLMUL_VALUE <= 16)) || \ + defined(__DOXYGEN__) +#define STM32_PLLMUL ((STM32_PLLMUL_VALUE - 2) << 18) +#else +#error "invalid STM32_PLLMUL_VALUE value specified" +#endif + +/** + * @brief PLL input clock frequency. + */ +#if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__) +#if STM32_PLLXTPRE == STM32_PLLXTPRE_DIV1 +#define STM32_PLLCLKIN (STM32_HSECLK / 1) +#else +#define STM32_PLLCLKIN (STM32_HSECLK / 2) +#endif +#elif STM32_PLLSRC == STM32_PLLSRC_HSI +#define STM32_PLLCLKIN (STM32_HSICLK / 2) +#else +#error "invalid STM32_PLLSRC value specified" +#endif + +/* PLL input frequency range check.*/ +#if (STM32_PLLCLKIN < STM32_PLLIN_MIN) || (STM32_PLLCLKIN > STM32_PLLIN_MAX) +#error "STM32_PLLCLKIN outside acceptable range (STM32_PLLIN_MIN...STM32_PLLIN_MAX)" +#endif + +/** + * @brief PLL output clock frequency. + */ +#define STM32_PLLCLKOUT (STM32_PLLCLKIN * STM32_PLLMUL_VALUE) + +/* PLL output frequency range check.*/ +#if (STM32_PLLCLKOUT < STM32_PLLOUT_MIN) || (STM32_PLLCLKOUT > STM32_PLLOUT_MAX) +#error "STM32_PLLCLKOUT outside acceptable range (STM32_PLLOUT_MIN...STM32_PLLOUT_MAX)" +#endif + +/** + * @brief System clock source. + */ +#if (STM32_SW == STM32_SW_PLL) || defined(__DOXYGEN__) +#define STM32_SYSCLK STM32_PLLCLKOUT +#elif (STM32_SW == STM32_SW_HSI) +#define STM32_SYSCLK STM32_HSICLK +#elif (STM32_SW == STM32_SW_HSE) +#define STM32_SYSCLK STM32_HSECLK +#else +#error "invalid STM32_SYSCLK_SW value specified" +#endif + +/* Check on the system clock.*/ +#if STM32_SYSCLK > STM32_SYSCLK_MAX +#error "STM32_SYSCLK above maximum rated frequency (STM32_SYSCLK_MAX)" +#endif + +/** + * @brief AHB frequency. + */ +#if (STM32_HPRE == STM32_HPRE_DIV1) || defined(__DOXYGEN__) +#define STM32_HCLK (STM32_SYSCLK / 1) +#elif STM32_HPRE == STM32_HPRE_DIV2 +#define STM32_HCLK (STM32_SYSCLK / 2) +#elif STM32_HPRE == STM32_HPRE_DIV4 +#define STM32_HCLK (STM32_SYSCLK / 4) +#elif STM32_HPRE == STM32_HPRE_DIV8 +#define STM32_HCLK (STM32_SYSCLK / 8) +#elif STM32_HPRE == STM32_HPRE_DIV16 +#define STM32_HCLK (STM32_SYSCLK / 16) +#elif STM32_HPRE == STM32_HPRE_DIV64 +#define STM32_HCLK (STM32_SYSCLK / 64) +#elif STM32_HPRE == STM32_HPRE_DIV128 +#define STM32_HCLK (STM32_SYSCLK / 128) +#elif STM32_HPRE == STM32_HPRE_DIV256 +#define STM32_HCLK (STM32_SYSCLK / 256) +#elif STM32_HPRE == STM32_HPRE_DIV512 +#define STM32_HCLK (STM32_SYSCLK / 512) +#else +#error "invalid STM32_HPRE value specified" +#endif + +/* AHB frequency check.*/ +#if STM32_HCLK > STM32_SYSCLK_MAX +#error "STM32_HCLK exceeding maximum frequency (STM32_SYSCLK_MAX)" +#endif + +/** + * @brief APB1 frequency. + */ +#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__) +#define STM32_PCLK1 (STM32_HCLK / 1) +#elif STM32_PPRE1 == STM32_PPRE1_DIV2 +#define STM32_PCLK1 (STM32_HCLK / 2) +#elif STM32_PPRE1 == STM32_PPRE1_DIV4 +#define STM32_PCLK1 (STM32_HCLK / 4) +#elif STM32_PPRE1 == STM32_PPRE1_DIV8 +#define STM32_PCLK1 (STM32_HCLK / 8) +#elif STM32_PPRE1 == STM32_PPRE1_DIV16 +#define STM32_PCLK1 (STM32_HCLK / 16) +#else +#error "invalid STM32_PPRE1 value specified" +#endif + +/* APB1 frequency check.*/ +#if STM32_PCLK1 > STM32_PCLK1_MAX +#error "STM32_PCLK1 exceeding maximum frequency (STM32_PCLK1_MAX)" +#endif + +/** + * @brief APB2 frequency. + */ +#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__) +#define STM32_PCLK2 (STM32_HCLK / 1) +#elif STM32_PPRE2 == STM32_PPRE2_DIV2 +#define STM32_PCLK2 (STM32_HCLK / 2) +#elif STM32_PPRE2 == STM32_PPRE2_DIV4 +#define STM32_PCLK2 (STM32_HCLK / 4) +#elif STM32_PPRE2 == STM32_PPRE2_DIV8 +#define STM32_PCLK2 (STM32_HCLK / 8) +#elif STM32_PPRE2 == STM32_PPRE2_DIV16 +#define STM32_PCLK2 (STM32_HCLK / 16) +#else +#error "invalid STM32_PPRE2 value specified" +#endif + +/* APB2 frequency check.*/ +#if STM32_PCLK2 > STM32_PCLK2_MAX +#error "STM32_PCLK2 exceeding maximum frequency (STM32_PCLK2_MAX)" +#endif + +/** + * @brief RTC clock. + */ +#if (STM32_RTCSEL == STM32_RTCSEL_LSE) || defined(__DOXYGEN__) +#define STM32_RTCCLK STM32_LSECLK +#elif STM32_RTCSEL == STM32_RTCSEL_LSI +#define STM32_RTCCLK STM32_LSICLK +#elif STM32_RTCSEL == STM32_RTCSEL_HSEDIV +#define STM32_RTCCLK (STM32_HSECLK / 128) +#elif STM32_RTCSEL == STM32_RTCSEL_NOCLOCK +#define STM32_RTCCLK 0 +#else +#error "invalid source selected for RTC clock" +#endif + +/** + * @brief ADC frequency. + */ +#if (STM32_ADCPRE == STM32_ADCPRE_DIV2) || defined(__DOXYGEN__) +#define STM32_ADCCLK (STM32_PCLK2 / 2) +#elif STM32_ADCPRE == STM32_ADCPRE_DIV4 +#define STM32_ADCCLK (STM32_PCLK2 / 4) +#elif STM32_ADCPRE == STM32_ADCPRE_DIV6 +#define STM32_ADCCLK (STM32_PCLK2 / 6) +#elif STM32_ADCPRE == STM32_ADCPRE_DIV8 +#define STM32_ADCCLK (STM32_PCLK2 / 8) +#else +#error "invalid STM32_ADCPRE value specified" +#endif + +/* ADC frequency check.*/ +#if STM32_ADCCLK > STM32_ADCCLK_MAX +#error "STM32_ADCCLK exceeding maximum frequency (STM32_ADCCLK_MAX)" +#endif + +/** + * @brief USB frequency. + */ +#if (STM32_USBPRE == STM32_USBPRE_DIV1P5) || defined(__DOXYGEN__) +#define STM32_USBCLK ((STM32_PLLCLKOUT * 2) / 3) +#elif (STM32_USBPRE == STM32_USBPRE_DIV1) +#define STM32_USBCLK STM32_PLLCLKOUT +#else +#error "invalid STM32_USBPRE value specified" +#endif + +/** + * @brief Timers 2, 3, 4, 5, 6, 7, 12, 13, 14 clock. + */ +#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__) +#define STM32_TIMCLK1 (STM32_PCLK1 * 1) +#else +#define STM32_TIMCLK1 (STM32_PCLK1 * 2) +#endif + +/** + * @brief Timers 1, 8, 9, 10, 11 clock. + */ +#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__) +#define STM32_TIMCLK2 (STM32_PCLK2 * 1) +#else +#define STM32_TIMCLK2 (STM32_PCLK2 * 2) +#endif + +/** + * @brief Flash settings. + */ +#if (STM32_HCLK <= 24000000) || defined(__DOXYGEN__) +#define STM32_FLASHBITS 0x00000010 +#elif STM32_HCLK <= 48000000 +#define STM32_FLASHBITS 0x00000011 +#else +#define STM32_FLASHBITS 0x00000012 +#endif + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +/* STM32 DMA and RCC helpers.*/ +#include "stm32_dma.h" +#include "stm32_rcc.h" + +#ifdef __cplusplus +extern "C" { +#endif + void hal_lld_init(void); + void stm32_clock_init(void); +#ifdef __cplusplus +} +#endif + +#endif /* _HAL_LLD_H_ */ + +/** @} */ -- cgit v1.2.3