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#ifndef ARCH_H_
#define ARCH_H_
#define ARCH_STM32L4
#define enable_interrupts() \
asm volatile(" cpsie i ")
#define DMA1_BASE (0x40020000)
#define DMA2_BASE (0x40020400)
#define USART1_BASE (0x40013800)
#define USART2_BASE (0x40004400)
#define GPIOA_BASE (0x48000000)
#define GPIOB_BASE (0x48000400)
#define GPIOC_BASE (0x48000800)
#define SRAM1_BASE (0x20000000)
#define SRAM2_BASE (0x2000C000)
#include <stdint.h>
_Static_assert(sizeof(void*) == sizeof(uint32_t), "Pointers must be 32 bits");
#endif /* ARCH_H_ */
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