diff options
Diffstat (limited to 'libmaple/include')
| -rw-r--r-- | libmaple/include/libmaple/stm32.h | 203 |
1 files changed, 68 insertions, 135 deletions
diff --git a/libmaple/include/libmaple/stm32.h b/libmaple/include/libmaple/stm32.h index 53a5d7a..5efb670 100644 --- a/libmaple/include/libmaple/stm32.h +++ b/libmaple/include/libmaple/stm32.h @@ -36,162 +36,95 @@ 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. - */ +/* Everything enclosed in the following __DOXYGEN_PREDEFINED_HACK + * conditional block must be defined in the family header. */ +#include <family/stm32.h> #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 +/* + * Clock configuration. + * + * These defines depend upon how the MCU is configured. Because of + * the potential for a mismatch between them and the actual clock + * configuration, keep their number to a minimum. + */ -#endif +/** + * @brief APB1 clock speed, in Hz. + */ +#define STM32_PCLK1 -#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 +/** + * @brief APB2 clock speed, in Hz. + */ +#define STM32_PCLK2 -#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 +/** @brief Deprecated. Use STM32_PCLK1 instead. */ +#define PCLK1 +/** @brief Deprecated. Use STM32_PCLK2 instead. */ +#define PCLK2 /* - * Density-specific configuration. + * Family- and MCU-specific values. */ -#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 +/** + * @brief Number of interrupts in the vector table. + * + * This does not include Cortex-M interrupts (NMI, HardFault, etc.). + */ +#define STM32_NR_INTERRUPTS - /** Deprecated. Use STM32_NR_INTERRUPTS instead. */ - #define NR_INTERRUPTS +/** + * Number of GPIO ports. + */ +#define STM32_NR_GPIO_PORTS -#endif +/** + * @brief Multiplier to convert microseconds into loop iterations + * in delay_us(). + * + * @see delay_us() + */ +#define STM32_DELAY_US_MULT -#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 +/** + * @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 -#define NR_INTERRUPTS STM32_NR_INTERRUPTS +#endif /* __DOXYGEN_PREDEFINED_HACK */ /* - * MCU-specific configuration. + * The following are for backwards compatibility only. */ -#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 - +/* PCLK1 and PCLK2 are for backwards compatibility only; don't use in + * new code. */ +#ifndef PCLK1 +#define PCLK1 STM32_PCLK1 #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)." - +#if PCLK1 != STM32_PCLK1 +#error "PCLK1 (which is deprecated) differs from STM32_PCLK1." +#endif +#ifndef PCLK2 +#define PCLK2 STM32_PCLK2 +#endif +#if PCLK2 != STM32_PCLK2 +#error "PCLK2 (which is deprecated) differs from STM32_PCLK2." #endif +/** @brief Deprecated. Use STM32_NR_INTERRUPTS instead. */ +#define NR_INTERRUPTS STM32_NR_INTERRUPTS +/** @brief Deprecated. Use STM32_NR_GPIO_PORTS instead. */ +#define NR_GPIO_PORTS STM32_NR_GPIO_PORTS +/** @brief Deprecated. Use STM32_DELAY_US_MULT instead. */ +#define DELAY_US_MULT STM32_DELAY_US_MULT + #ifdef __cplusplus } #endif |