106 lines
2.0 KiB
C
106 lines
2.0 KiB
C
/** @file flash_regs.h
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* Module defining flash memory interface registers.
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*
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* Mainly made to be used by the rcc module. It is recommanded to go through
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* the functions provided by that module instead of directly using the registers
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* defined here.
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*/
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#ifndef _FLASH_REGS_H_
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#define _FLASH_REGS_H_
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//--includes--------------------------------------------------------------------
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#include "reg.h"
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#include "stdint.h"
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//--type definitions------------------------------------------------------------
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#define FLASH_BASE_ADDRESS 0x40022000
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union FLASH_ACR {
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struct __attribute__((packed)) {
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uint32_t LATENCY:3;
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uint32_t HLFCYA:1;
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uint32_t PRFTBE:1;
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uint32_t PRFTBS:1;
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uint32_t reserved1:26;
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};
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uint32_t word;
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};
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#define FLASH_ACR_LATENCY reg_def(0, 3)
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#define FLASH_ACR_HLFCYA reg_def(3, 1)
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#define FLASH_ACR_PRFTBE reg_def(4, 1)
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#define FLASH_ACR_PRFTBS reg_def(5, 1)
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#define FLASH_ACR_reserved1 reg_def(6, 26)
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union FLASH_KEYR {
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struct __attribute__((packed)) {
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uint32_t reserved1; //TODO
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};
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uint32_t word;
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};
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union FLASH_OPTKEYR {
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struct __attribute__((packed)) {
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uint32_t reserved1; //TODO
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};
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uint32_t word;
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};
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union FLASH_SR {
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struct __attribute__((packed)) {
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uint32_t reserved1; //TODO
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};
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uint32_t word;
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};
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union FLASH_CR {
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struct __attribute__((packed)) {
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uint32_t reserved1; //TODO
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};
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uint32_t word;
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};
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union FLASH_AR {
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struct __attribute__((packed)) {
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uint32_t reserved1; //TODO
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};
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uint32_t word;
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};
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union FLASH_OBR {
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struct __attribute__((packed)) {
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uint32_t reserved1; //TODO
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};
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uint32_t word;
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};
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union FLASH_WRPR {
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struct __attribute__((packed)) {
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uint32_t reserved1; //TODO
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};
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uint32_t word;
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};
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struct __attribute__((packed)) FLASH {
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union FLASH_ACR ACR;
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union FLASH_KEYR KEYR;
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union FLASH_OPTKEYR OPTKEYR;
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union FLASH_SR SR;
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union FLASH_CR CR;
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union FLASH_AR AR;
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uint32_t reserved1;
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union FLASH_OBR OBR;
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union FLASH_WRPR WRPR;
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};
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//--functions-------------------------------------------------------------------
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#endif //_FLASH_REGS_H_
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