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/**
* @brief General STM32 chip-specific definitions
*/
#ifndef _STM32_H_
#define _STM32_H_
#ifndef PCLK1
#define PCLK1 36000000U
#endif
#ifndef PCLK2
#define PCLK2 72000000U
#endif
#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
/* 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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