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48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
#ifndef NVM_H
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#define NVM_H
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#include "embedded_types.h"
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typedef enum
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{
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gNvmType_NoNvm_c,
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gNvmType_SST_c,
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gNvmType_ST_c,
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gNvmType_ATM_c,
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gNvmType_Max_c
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} nvmType_t;
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typedef enum
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{
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gNvmErrNoError_c = 0,
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gNvmErrInvalidInterface_c,
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gNvmErrInvalidNvmType_c,
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gNvmErrInvalidPointer_c,
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gNvmErrWriteProtect_c,
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gNvmErrVerifyError_c,
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gNvmErrAddressSpaceOverflow_c,
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gNvmErrBlankCheckError_c,
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gNvmErrRestrictedArea_c,
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gNvmErrMaxError_c
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} nvmErr_t;
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typedef enum
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{
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gNvmInternalInterface_c,
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gNvmExternalInterface_c,
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gNvmInterfaceMax_c
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} nvmInterface_t;
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/* ROM code seems to be THUMB */
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/* need to be in a THUMB block before calling them */
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extern volatile nvmErr_t (*nvm_detect)(nvmInterface_t nvmInterface,nvmType_t* pNvmType);
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extern volatile nvmErr_t (*nvm_read)(nvmInterface_t nvmInterface , nvmType_t nvmType , void *pDest, uint32_t address, uint32_t numBytes);
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extern volatile nvmErr_t (*nvm_write)(nvmInterface_t nvmInterface, nvmType_t nvmType ,void *pSrc, uint32_t address, uint32_t numBytes);
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/* sector bit field selects which sector to erase */
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/* SST flash has 32 sectors 4096 bytes each */
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/* bit 0 is the first sector, bit 31 is the last */
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extern volatile nvmErr_t (*nvm_erase)(nvmInterface_t nvmInterface, nvmType_t nvmType ,uint32_t sectorBitfield);
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extern volatile void(*nvm_setsvar)(uint32_t zero_for_awesome);
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#endif //NVM_H
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