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/******************************************************************************
* 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
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