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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 _STM32_H_
#define _STM32_H_
/**
* \def PCLK1
* Clock speed of APB1 peripherals, in Hz.
*/
/**
* \def PCLK2
* Clock speed of APB2 peripherals, in Hz.
*/
#ifndef PCLK1
#define PCLK1 36000000U
#endif
#ifndef PCLK2
#define PCLK2 72000000U
#endif
/**
* \def NR_INTERRUPTS
* Number of interrupts in the NVIC.
*/
#ifdef STM32_MEDIUM_DENSITY
#define NR_INTERRUPTS 43
#else
#ifdef STM32_HIGH_DENSITY
#define NR_INTERRUPTS 60
#else
#error "No STM32 board type defined!"
#endif
#endif
/**
* \def NR_GPIO_PORTS
* Number of GPIO ports
*/
/* SRAM_SIZE intentionally not part of Doxygen interface */
/**
* \def DELAY_US_MULT
* Multiplier to convert microseconds into loop iterations in delay_us().
*
* @see delay_us()
*/
/* MCU-specific configuration */
#if defined(MCU_STM32F103RB)
/* e.g., LeafLabs Maple */
/* Number of GPIO ports (GPIOA, GPIOB, etc.) */
#define NR_GPIO_PORTS 4
/* SRAM size, in bytes */
#define SRAM_SIZE 0x5000
/* Multiplier to convert microseconds into loop iterations in
* delay_us() (See delay.h) */
#define DELAY_US_MULT 12
#elif defined(MCU_STM32F103ZE)
/* e.g., LeafLabs Maple Native */
#define NR_GPIO_PORTS 7
#define SRAM_SIZE 0x10000
#define DELAY_US_MULT 12
#elif defined(MCU_STM32F103CB)
/* e.g., LeafLabs Maple Mini */
/* Note that this 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 NR_GPIO_PORTS 3
#define SRAM_SIZE 0x5000
#define DELAY_US_MULT 12
#elif defined(MCU_STM32F103RE)
/* e.g., LeafLabs Maple RET6 edition */
#define NR_GPIO_PORTS 4
#define SRAM_SIZE 0x10000
#define DELAY_US_MULT 12
#else
#error "No MCU type specified. Add something like -DMCU_STM32F103RB " \
"to your compiler arguments (probably in a Makefile)."
#endif
#endif
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