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tofe_eeprom.c
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tofe_eeprom.c
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#include "tofe_eeprom.h"
__u8 tofe_calculate_crc(const char* tofe_header) {
};
const struct tofe_atom* tofe_atom_get(__u8 index, const struct tofe_header* hdr) {
const struct tofe_atom* atom = (const struct tofe_atom*)(&(hdr->data[0]));
for (__u8 i = 0; i < index; i++) {
assert((atom + atom->len) < (hdr->data + hdr->data_len));
atom += atom->len;
atom += sizeof(tofe_atom_header);
}
return atom;
}
const char* tofe_atom_license_name(const struct tofe_atom_license* atom) {
switch((enum tofe_atom_license_enum)(atom->license)) {
// MIT
case MIT:
return "MIT";
// BSD
case BSD_simple:
case BSD_new:
case BSD_isc:
return "BSD";
// Apache
case Apache_v2:
return "Apache";
// GPL
case GPL_v2:
case GPL_v3:
return "GPL";
// LGPL
case LGPL_v21:
case LGPL_v3:
return "LGPL";
// CC0
case CC0_v1:
return "CC0";
// CC BY
case CC_BY_v10:
case CC_BY_v20:
case CC_BY_v25:
case CC_BY_v30:
case CC_BY_v40:
return "CC BY";
// CC BY-SA
case CC_BY_SA_v10:
case CC_BY_SA_v20:
case CC_BY_SA_v25:
case CC_BY_SA_v30:
case CC_BY_SA_v40:
return "CC BY-SA";
// TAPR
case TAPR_v10:
return "TAPR";
// CERN
case CERN_v11:
case CERN_v12:
return "CERN";
// Other
case Invalid:
return "Invalid";
case Proprietary:
return "Proprietary";
#ifdef NDEBUG
default:
return "Unknown";
#endif
}
}
const char* tofe_atom_license_version(const struct tofe_atom_license* atom) {
switch((enum tofe_atom_license_enum)(atom->license)) {
// No version
case MIT:
case Proprietary:
return "";
// BSD
case BSD_simple:
return "Simple";
case BSD_new:
return "New";
case BSD_isc:
return "ISC";
// v1.0
case CC0_v1:
case CC_BY_v10:
case CC_BY_SA_v10:
case TAPR_v10:
return "1.0";
// v1.1
case CERN_v11:
return "1.1";
// v1.2
case CERN_v12:
return "1.2";
// v2.0
case Apache_v2:
case GPL_v2:
case CC_BY_v20:
case CC_BY_SA_v20:
return "2.0";
// v2.1
case LGPL_v21:
return "2.1";
// v2.5
case CC_BY_v25:
case CC_BY_SA_v25:
return "2.5";
// v3.0
case GPL_v3:
case LGPL_v3:
case CC_BY_v30:
case CC_BY_SA_v30:
return "3.0";
// v4.0
case CC_BY_v40:
case CC_BY_SA_v40:
return "4.0";
// Invalid
case Invalid:
return "Invalid";
#ifdef NDEBUG
default:
return "Unknown";
#endif
}
}
const char* tofe_atom_type_enum_str(enum tofe_atom_type_enum type) {
switch(type) {
case ATOM_INVALID_x00:
case ATOM_INVALID_xFF:
return "Invalid";
// Product identification atoms
case ATOM_DESIGNER_ID:
return "Designer";
case ATOM_MANUFACTURER_ID:
return "Manufacturer";
case ATOM_PRODUCT_ID:
return "Product";
case ATOM_PRODUCT_VERSION:
return "Version";
case ATOM_PRODUCT_SERIAL:
return "Serial";
case ATOM_PRODUCT_PART:
return "Part #";
// Auxiliary atoms
case ATOM_AUX_URL:
return "";
// PCB related atoms
case ATOM_PCB_REPO:
return "PCB Repository";
case ATOM_PCB_REV:
return "PCB Revision";
case ATOM_PCB_LICENSE:
return "PCB License";
case ATOM_PCB_PROD_BATCH:
return "PCB Production Batch";
case ATOM_PCB_POP_BATCH:
return "PCB Population Batch";
// Firmware related atoms
case ATOM_FIRMWARE_DESC:
return "Firmware";
case ATOM_FIRMWARE_REPO:
return "Firmware Repository";
case ATOM_FIRMWARE_REV:
return "Firmware Revision";
case ATOM_FIRMWARE_LICENSE:
return "Firmware License";
case ATOM_FIRMWARE_PROG_ON:
return "Firmware Programmed on";
// EEPROM related atoms
case ATOM_EEPROM_SIZE:
return "EEPROM Size";
case ATOM_EEPROM_VENDOR:
return "EEPROM Vendor Area";
case ATOM_EEPROM_TOFE:
return "EEPROM TOFE Area";
case ATOM_EEPROM_USER:
return "EEPROM USER Area";
case ATOM_EEPROM_GUID:
return "EEPROM GUID";
case ATOM_EEPROM_HOLE:
return "EEPROM Hole";
case ATOM_EEPROM_PART:
return "EEPROM Part #";
// Informational Atoms
case ATOM_INFO_SAMPLE_CODE:
return "Sample Code";
case ATOM_INFO_DOCS:
return "Documentation";
#ifdef NDEBUG
default:
return "Unknown type";
#endif
}
}
char* tofe_atom_print_string(char* ptr, const struct tofe_atomfmt_string* atom) {
return strncpy(ptr, atom->str, atom->len);
}
char* tofe_atom_print_url(char* ptr, const struct tofe_atomfmt_url* atom) {
ptr = stpcpy(ptr, "https://");
return strncpy(ptr, atom->url, atom->len);
}
char* tofe_atom_print_relative_url(char* ptr, const struct tofe_atomfmt_relative_url* atom) {
ptr = stpcpy(ptr, "https://");
// ptr = tofe_atom_print_url(ptr, tofe_atom_get_url(hdr, atom->atom_index));
ptr++ = '/';
ptr = '\0';
return strncpy(ptr, atom->rurl, atom->len - TOFE_EXTRA_LEN(atom));
}
char* tofe_atom_print_expand_int(char* ptr, const struct tofe_atomfmt_expand_int* atom) {
__u32 value = 0;
tofe_atomfmt_expand_int_get(atom, value);
ptr += sprintf(ptr, "%d", value);
return ptr;
}
char* tofe_atom_print_license(char* ptr, const struct tofe_atomfmt_license* atom) {
ptr = stpcpy(ptr, tofe_atomfmt_license_name(atom));
ptr++ = ' ';
ptr = '\0';
ptr = stpcpy(ptr, tofe_atomfmt_license_version(atom));
return ptr;
}
char* tofe_atom_print_size_offset(char* ptr, const struct tofe_atomfmt_size_offset* atom) {
__u16 size = 0;
__u16 offset = 0;
tofe_atomfmt_size_offset_get_size(atom, size);
tofe_atomfmt_size_offset_get_offset(atom, offset);
ptr += sprintf("(%x->%x (%ib)", size, size+offset, offset);
return ptr;
}
#define TOFE_ATOM_PRINT_CASE(name) \
case ATOM_STYLE ## name : \
return tofe_atom_print ## name (ptr, (const struct tofe_atomfmt ## name *)(atom))
char* tofe_atom_print(char* ptr, const struct tofe_atom* atom) {
switch(tofe_atomfmt(atom)) {
case ATOM_STYLE_invalid:
return stpcpy(ptr, "??? (Invalid)");
TOFE_ATOM_PRINT_CASE(string)
;
TOFE_ATOM_PRINT_CASE(url)
;
TOFE_ATOM_PRINT_CASE(relative_url)
;
TOFE_ATOM_PRINT_CASE(expand_int)
;
TOFE_ATOM_PRINT_CASE(license)
;
TOFE_ATOM_PRINT_CASE(size_offset)
;
TOFE_ATOM_PRINT_CASE(binary_blob)
;
#ifdef NDEBUG
default:
return stpcpy(ptr, "??? (Unknown format)");
}
#endif
}