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Diffstat (limited to 'libmaple/include/libmaple/stm32.h')
| -rw-r--r-- | libmaple/include/libmaple/stm32.h | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/libmaple/include/libmaple/stm32.h b/libmaple/include/libmaple/stm32.h new file mode 100644 index 0000000..53a5d7a --- /dev/null +++ b/libmaple/include/libmaple/stm32.h @@ -0,0 +1,199 @@ +/****************************************************************************** + * The MIT License + * + * Copyright (c) 2010 LeafLabs, LLC. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + *****************************************************************************/ + +/** + * @file stm32.h + * @brief STM32 chip-specific definitions + */ + +#ifndef _LIBMAPLE_STM32_H_ +#define _LIBMAPLE_STM32_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * User-specific configuration. + * + * The #defines here depend upon how libmaple is used. Because of the + * potential for a mismatch between them and the actual libmaple + * usage, you should try to keep their number to an absolute minimum. + */ + +#ifdef __DOXYGEN_PREDEFINED_HACK + + /** @brief APB1 clock speed, in Hz. */ + #define STM32_PCLK1 + /** @brief APB2 clock speed, in Hz. */ + #define STM32_PCLK2 + + /** Deprecated. Use STM32_PCLK1 instead. */ + #define PCLK1 + /** Deprecated. Use STM32_PCLK2 instead. */ + #define PCLK2 + +#endif + +#ifndef STM32_PCLK1 +#define STM32_PCLK1 36000000U +#endif +#ifndef PCLK1 +#define PCLK1 STM32_PCLK1 +#endif +#if PCLK1 != STM32_PCLK1 +#error "(Deprecated) PCLK1 differs from STM32_PCLK1" +#endif + +#ifndef STM32_PCLK2 +#define STM32_PCLK2 72000000U +#endif +#ifndef PCLK2 +#define PCLK2 STM32_PCLK2 +#endif +#if PCLK2 != STM32_PCLK2 +#error "(Deprecated) PCLK2 differs from STM32_PCLK2" +#endif + +/* + * Density-specific configuration. + */ + +#ifdef __DOXYGEN_PREDEFINED_HACK + + /** + * @brief Number of interrupts in the NVIC. + * + * This define is automatically generated whenever the proper + * density is defined (currently, this is restricted to defining + * one of STM32_MEDIUM_DENSITY and STM32_HIGH_DENSITY). + */ + #define STM32_NR_INTERRUPTS + + /** Deprecated. Use STM32_NR_INTERRUPTS instead. */ + #define NR_INTERRUPTS + +#endif + +#ifdef STM32_MEDIUM_DENSITY + #define STM32_NR_INTERRUPTS 43 +#elif defined(STM32_HIGH_DENSITY) + #define STM32_NR_INTERRUPTS 60 +#else +#error "No STM32 board type defined!" +#endif + +#define NR_INTERRUPTS STM32_NR_INTERRUPTS + +/* + * MCU-specific configuration. + */ + +#ifdef __DOXYGEN_PREDEFINED_HACK + + /** + * Number of GPIO ports. + */ + #define STM32_NR_GPIO_PORTS + + /** + * @brief Multiplier to convert microseconds into loop iterations + * in delay_us(). + * + * @see delay_us() + */ + #define STM32_DELAY_US_MULT + + /** + * @brief Pointer to end of built-in SRAM. + * + * Points to the address which is 1 byte past the last valid + * SRAM address. + */ + #define STM32_SRAM_END + + /** Deprecated. Use STM32_NR_GPIO_PORTS instead. */ + #define NR_GPIO_PORTS + /** Deprecated. Use STM32_DELAY_US_MULT instead. */ + #define DELAY_US_MULT + +#endif + +#if defined(MCU_STM32F103RB) + /* e.g., LeafLabs Maple */ + + #define STM32_NR_GPIO_PORTS 4 + #define STM32_DELAY_US_MULT 12 + #define STM32_SRAM_END ((void*)0x20005000) + + #define NR_GPIO_PORTS STM32_NR_GPIO_PORTS + #define DELAY_US_MULT STM32_DELAY_US_MULT + +#elif defined(MCU_STM32F103ZE) + /* e.g., LeafLabs Maple Native */ + + #define STM32_NR_GPIO_PORTS 7 + #define STM32_DELAY_US_MULT 12 + #define STM32_SRAM_END ((void*)0x20010000) + + #define NR_GPIO_PORTS STM32_NR_GPIO_PORTS + #define DELAY_US_MULT STM32_DELAY_US_MULT + +#elif defined(MCU_STM32F103CB) + /* e.g., LeafLabs Maple Mini */ + + /* This STM32_NR_GPIO_PORTS value is not, strictly speaking, true. + * But only pins 0 and 1 exist, and they're used for OSC on the + * Mini, so we'll live with this for now. */ + #define STM32_NR_GPIO_PORTS 3 + #define STM32_DELAY_US_MULT 12 + #define STM32_SRAM_END ((void*)0x20005000) + + #define NR_GPIO_PORTS STM32_NR_GPIO_PORTS + #define DELAY_US_MULT STM32_DELAY_US_MULT + +#elif defined(MCU_STM32F103RE) + /* e.g., LeafLabs Maple RET6 edition */ + + #define STM32_NR_GPIO_PORTS 4 + #define STM32_DELAY_US_MULT 12 + #define STM32_SRAM_END ((void*)0x20010000) + + #define NR_GPIO_PORTS STM32_NR_GPIO_PORTS + #define DELAY_US_MULT STM32_DELAY_US_MULT + +#else + +#error "No MCU type specified. Add something like -DMCU_STM32F103RB " \ + "to your compiler arguments (probably in a Makefile)." + +#endif + +#ifdef __cplusplus +} +#endif + +#endif |