From 8b9cc62359057a686929cc713ffe2931e2203946 Mon Sep 17 00:00:00 2001 From: Kevin O'Connor Date: Sun, 28 Jul 2019 23:15:54 -0400 Subject: stm32: Rename stm32f4/ directory to stm32/ Now that the code in stm32f4/ can handle both stm32f1 and stm32f4 chips, rename the directory to just "stm32". Signed-off-by: Kevin O'Connor --- src/stm32/internal.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 src/stm32/internal.h (limited to 'src/stm32/internal.h') diff --git a/src/stm32/internal.h b/src/stm32/internal.h new file mode 100644 index 00000000..0edfefe5 --- /dev/null +++ b/src/stm32/internal.h @@ -0,0 +1,30 @@ +#ifndef __STM32_INTERNAL_H +#define __STM32_INTERNAL_H +// Local definitions for STM32 code + +#include "autoconf.h" // CONFIG_MACH_STM32F1 + +#if CONFIG_MACH_STM32F1 +#include "stm32f1xx.h" +#else +#include "stm32f4xx.h" +#endif + +extern GPIO_TypeDef * const digital_regs[]; + +#define GPIO(PORT, NUM) (((PORT)-'A') * 16 + (NUM)) +#define GPIO2PORT(PIN) ((PIN) / 16) +#define GPIO2BIT(PIN) (1<<((PIN) % 16)) + +#define GPIO_INPUT 0 +#define GPIO_OUTPUT 1 +#define GPIO_FUNCTION(fn) (2 | ((fn) << 4)) +#define GPIO_ANALOG 3 + +void enable_pclock(uint32_t periph_base); +int is_enabled_pclock(uint32_t periph_base); +uint32_t get_pclock_frequency(uint32_t periph_base); +void clock_setup(void); +void gpio_peripheral(uint32_t gpio, uint32_t mode, int pullup); + +#endif // internal.h -- cgit v1.2.3-70-g09d2