274 lines
9.0 KiB
C
274 lines
9.0 KiB
C
//language.c
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#include "language.h"
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#include <avr/pgmspace.h>
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#include <avr/eeprom.h>
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#include "bootapp.h"
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#include "Configuration.h"
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#include "pins.h"
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#ifdef W25X20CL
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#include "w25x20cl.h"
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#endif //W25X20CL
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// Currently active language selection.
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uint8_t lang_selected = 0;
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#if (LANG_MODE == 0) //primary language only
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uint8_t lang_select(uint8_t lang) { return 0; }
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uint8_t lang_get_count() { return 1; }
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uint16_t lang_get_code(uint8_t lang) { return LANG_CODE_EN; }
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const char* lang_get_name_by_code(uint16_t code) { return _n("English"); }
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void lang_reset(void) { }
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uint8_t lang_is_selected(void) { return 1; }
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#else //(LANG_MODE == 0) //secondary languages in progmem or xflash
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//reserved xx kbytes for secondary language table
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const char _SEC_LANG[LANG_SIZE_RESERVED] PROGMEM_I2 = "_SEC_LANG";
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//primary language signature
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const uint32_t _PRI_LANG_SIGNATURE[1] __attribute__((section(".progmem0"))) = {0xffffffff};
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//lang_table pointer
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lang_table_t* lang_table = 0;
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const char* lang_get_translation(const char* s)
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{
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if (lang_selected == 0) return s + 2; //primary language selected, return orig. str.
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if (lang_table == 0) return s + 2; //sec. lang table not found, return orig. str.
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uint16_t ui = pgm_read_word(((uint16_t*)s)); //read string id
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if (ui == 0xffff) return s + 2; //translation not found, return orig. str.
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ui = pgm_read_word(((uint16_t*)(((char*)lang_table + 16 + ui*2)))); //read relative offset
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if (pgm_read_byte(((uint8_t*)((char*)lang_table + ui))) == 0) //read first character
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return s + 2;//zero length string == not translated, return orig. str.
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return (const char*)((char*)lang_table + ui); //return calculated pointer
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}
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uint8_t lang_select(uint8_t lang)
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{
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if (lang == LANG_ID_PRI) //primary language
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{
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lang_table = 0;
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lang_selected = lang;
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}
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#ifdef W25X20CL
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if (lang_get_code(lang) == lang_get_code(LANG_ID_SEC)) lang = LANG_ID_SEC;
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if (lang == LANG_ID_SEC) //current secondary language
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{
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if (pgm_read_dword(((uint32_t*)_SEC_LANG_TABLE)) == LANG_MAGIC) //magic valid
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{
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if (lang_check(_SEC_LANG_TABLE))
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if (pgm_read_dword(((uint32_t*)(_SEC_LANG_TABLE + 12))) == pgm_read_dword(((uint32_t*)(_PRI_LANG_SIGNATURE)))) //signature valid
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{
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lang_table = (lang_table_t*)(_SEC_LANG_TABLE); // set table pointer
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lang_selected = lang; // set language id
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}
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}
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}
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#else //W25X20CL
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if (lang == LANG_ID_SEC)
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{
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uint16_t table = _SEC_LANG_TABLE;
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if (pgm_read_dword(((uint32_t*)table)) == LANG_MAGIC) //magic valid
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{
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if (lang_check(table))
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if (pgm_read_dword(((uint32_t*)(table + 12))) == pgm_read_dword(((uint32_t*)(_PRI_LANG_SIGNATURE)))) //signature valid
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{
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lang_table = (lang_table_t*)table; // set table pointer
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lang_selected = lang; // set language id
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}
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}
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}
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#endif //W25X20CL
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if (lang_selected == lang)
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{
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eeprom_update_byte((unsigned char*)EEPROM_LANG, lang_selected);
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return 1;
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}
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return 0;
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}
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uint8_t lang_check(uint16_t addr)
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{
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uint16_t sum = 0;
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uint16_t size = pgm_read_word((uint16_t*)(addr + 4));
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uint16_t lt_sum = pgm_read_word((uint16_t*)(addr + 8));
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uint16_t i; for (i = 0; i < size; i++)
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sum += (uint16_t)pgm_read_byte((uint8_t*)(addr + i)) << ((i & 1)?0:8);
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sum -= lt_sum; //subtract checksum
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sum = (sum >> 8) | ((sum & 0xff) << 8); //swap bytes
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return (sum == lt_sum);
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}
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uint8_t lang_get_count()
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{
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if (pgm_read_dword(((uint32_t*)(_PRI_LANG_SIGNATURE))) == 0xffffffff)
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return 1; //signature not set - only primary language will be available
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#ifdef W25X20CL
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W25X20CL_SPI_ENTER();
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uint8_t count = 2; //count = 1+n (primary + secondary + all in xflash)
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uint32_t addr = 0x00000; //start of xflash
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lang_table_header_t header; //table header structure
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while (1)
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{
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w25x20cl_rd_data(addr, (uint8_t*)&header, sizeof(lang_table_header_t)); //read table header from xflash
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if (header.magic != LANG_MAGIC) break; //break if magic not valid
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addr += header.size; //calc address of next table
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count++; //inc counter
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}
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#else //W25X20CL
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uint16_t table = _SEC_LANG_TABLE;
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uint8_t count = 1; //count = 1 (primary)
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while (pgm_read_dword(((uint32_t*)table)) == LANG_MAGIC) //magic valid
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{
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table += pgm_read_word((uint16_t*)(table + 4));
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count++;
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}
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#endif //W25X20CL
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return count;
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}
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uint8_t lang_get_header(uint8_t lang, lang_table_header_t* header, uint32_t* offset)
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{
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if (lang == LANG_ID_PRI) return 0; //primary lang not supported for this function
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#ifdef W25X20CL
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if (lang == LANG_ID_SEC)
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{
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uint16_t ui = _SEC_LANG_TABLE; //table pointer
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memcpy_P(header, (lang_table_t*)(_SEC_LANG_TABLE), sizeof(lang_table_header_t)); //read table header from progmem
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if (offset) *offset = ui;
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return (header->magic == LANG_MAGIC)?1:0; //return 1 if magic valid
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}
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W25X20CL_SPI_ENTER();
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uint32_t addr = 0x00000; //start of xflash
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lang--;
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while (1)
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{
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w25x20cl_rd_data(addr, (uint8_t*)(header), sizeof(lang_table_header_t)); //read table header from xflash
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if (header->magic != LANG_MAGIC) break; //break if not valid
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if (offset) *offset = addr;
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if (--lang == 0) return 1;
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addr += header->size; //calc address of next table
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}
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#else //W25X20CL
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if (lang == LANG_ID_SEC)
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{
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uint16_t ui = _SEC_LANG_TABLE; //table pointer
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memcpy_P(header, (lang_table_header_t*)ui, sizeof(lang_table_header_t)); //read table header from progmem
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if (offset) *offset = ui;
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return (header->magic == LANG_MAGIC)?1:0; //return 1 if magic valid
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}
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#endif //W25X20CL
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return 0;
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}
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uint16_t lang_get_code(uint8_t lang)
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{
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if (lang == LANG_ID_PRI) return LANG_CODE_EN; //primary lang = EN
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#ifdef W25X20CL
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if (lang == LANG_ID_SEC)
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{
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uint16_t ui = _SEC_LANG_TABLE; //table pointer
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if (pgm_read_dword(((uint32_t*)(ui + 0))) != LANG_MAGIC) return LANG_CODE_XX; //magic not valid
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return pgm_read_word(((uint32_t*)(ui + 10))); //return lang code from progmem
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}
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W25X20CL_SPI_ENTER();
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uint32_t addr = 0x00000; //start of xflash
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lang_table_header_t header; //table header structure
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lang--;
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while (1)
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{
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w25x20cl_rd_data(addr, (uint8_t*)&header, sizeof(lang_table_header_t)); //read table header from xflash
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if (header.magic != LANG_MAGIC) break; //break if not valid
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if (--lang == 0) return header.code;
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addr += header.size; //calc address of next table
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}
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#else //W25X20CL
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uint16_t table = _SEC_LANG_TABLE;
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uint8_t count = 1; //count = 1 (primary)
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while (pgm_read_dword((uint32_t*)table) == LANG_MAGIC) //magic valid
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{
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if (count == lang) return pgm_read_word(((uint16_t*)(table + 10))); //read language code
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table += pgm_read_word((uint16_t*)(table + 4));
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count++;
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}
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#endif //W25X20CL
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return LANG_CODE_XX;
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}
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const char* lang_get_name_by_code(uint16_t code)
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{
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switch (code)
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{
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case LANG_CODE_EN: return _n("English");
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case LANG_CODE_CZ: return _n("Cestina");
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case LANG_CODE_DE: return _n("Deutsch");
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case LANG_CODE_ES: return _n("Espanol");
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case LANG_CODE_FR: return _n("Francais");
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case LANG_CODE_IT: return _n("Italiano");
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case LANG_CODE_NL: return _n("Nederlands");
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case LANG_CODE_PL: return _n("Polski");
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}
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return _n("??");
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}
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void lang_reset(void)
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{
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lang_selected = 0;
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eeprom_update_byte((unsigned char*)EEPROM_LANG, LANG_ID_FORCE_SELECTION);
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}
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uint8_t lang_is_selected(void)
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{
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uint8_t lang_eeprom = eeprom_read_byte((unsigned char*)EEPROM_LANG);
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return (lang_eeprom != LANG_ID_FORCE_SELECTION) && (lang_eeprom == lang_selected);
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}
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#ifdef DEBUG_SEC_LANG
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#include <stdio.h>
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const char* lang_get_sec_lang_str_by_id(uint16_t id)
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{
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uint16_t ui = _SEC_LANG_TABLE; //table pointer
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return ui + pgm_read_word(((uint16_t*)(ui + 16 + id * 2))); //read relative offset and return calculated pointer
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}
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uint16_t lang_print_sec_lang(FILE* out)
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{
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printf_P(_n("&_SEC_LANG = 0x%04x\n"), &_SEC_LANG);
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printf_P(_n("sizeof(_SEC_LANG) = 0x%04x\n"), sizeof(_SEC_LANG));
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uint16_t ptr_lang_table0 = ((uint16_t)(&_SEC_LANG) + 0xff) & 0xff00;
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printf_P(_n("&_lang_table0 = 0x%04x\n"), ptr_lang_table0);
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uint32_t _lt_magic = pgm_read_dword(((uint32_t*)(ptr_lang_table0 + 0)));
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uint16_t _lt_size = pgm_read_word(((uint16_t*)(ptr_lang_table0 + 4)));
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uint16_t _lt_count = pgm_read_word(((uint16_t*)(ptr_lang_table0 + 6)));
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uint16_t _lt_chsum = pgm_read_word(((uint16_t*)(ptr_lang_table0 + 8)));
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uint16_t _lt_resv0 = pgm_read_word(((uint16_t*)(ptr_lang_table0 + 10)));
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uint32_t _lt_resv1 = pgm_read_dword(((uint32_t*)(ptr_lang_table0 + 12)));
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printf_P(_n(" _lt_magic = 0x%08lx %S\n"), _lt_magic, (_lt_magic==LANG_MAGIC)?_n("OK"):_n("NA"));
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printf_P(_n(" _lt_size = 0x%04x (%d)\n"), _lt_size, _lt_size);
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printf_P(_n(" _lt_count = 0x%04x (%d)\n"), _lt_count, _lt_count);
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printf_P(_n(" _lt_chsum = 0x%04x\n"), _lt_chsum);
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printf_P(_n(" _lt_resv0 = 0x%04x\n"), _lt_resv0);
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printf_P(_n(" _lt_resv1 = 0x%08lx\n"), _lt_resv1);
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if (_lt_magic != LANG_MAGIC) return 0;
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puts_P(_n(" strings:\n"));
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uint16_t ui = _SEC_LANG_TABLE; //table pointer
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for (ui = 0; ui < _lt_count; ui++)
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fprintf_P(out, _n(" %3d %S\n"), ui, lang_get_sec_lang_str_by_id(ui));
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return _lt_count;
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}
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#endif //DEBUG_SEC_LANG
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#endif //(LANG_MODE == 0)
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void lang_boot_update_start(uint8_t lang)
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{
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uint8_t cnt = lang_get_count();
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if ((lang < 2) || (lang > cnt)) return; //only languages from xflash can be selected
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bootapp_reboot_user0(lang << 4);
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}
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