convert to platformio and clean up
This commit is contained in:
Tobias Gunkel
@@ -0,0 +1,263 @@
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#if ENABLE_SDCARD
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/**
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* Load a save file from the SD card
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*/
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void read_cart_ram_file(struct gb_s* gb) {
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char filename[16];
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uint_fast32_t save_size;
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UINT br;
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gb_get_rom_name(gb, filename);
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save_size = gb_get_save_size(gb);
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if (save_size > 0) {
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sd_card_t* pSD = sd_get_by_num(0);
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FRESULT fr = f_mount(&pSD->fatfs, pSD->pcName, 1);
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if (FR_OK != fr) {
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printf("E f_mount error: %s (%d)\n", FRESULT_str(fr), fr);
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return;
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}
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FIL fil;
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fr = f_open(&fil, filename, FA_READ);
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if (fr == FR_OK) {
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f_read(&fil, ram, f_size(&fil), &br);
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} else {
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printf("E f_open(%s) error: %s (%d)\n", filename, FRESULT_str(fr), fr);
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}
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fr = f_close(&fil);
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if (fr != FR_OK) {
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printf("E f_close error: %s (%d)\n", FRESULT_str(fr), fr);
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}
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f_unmount(pSD->pcName);
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}
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printf("I read_cart_ram_file(%s) COMPLETE (%lu bytes)\n", filename, save_size);
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}
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/**
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* Write a save file to the SD card
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*/
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void write_cart_ram_file(struct gb_s* gb) {
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char filename[16];
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uint_fast32_t save_size;
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UINT bw;
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gb_get_rom_name(gb, filename);
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save_size = gb_get_save_size(gb);
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if (save_size > 0) {
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sd_card_t* pSD = sd_get_by_num(0);
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FRESULT fr = f_mount(&pSD->fatfs, pSD->pcName, 1);
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if (FR_OK != fr) {
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printf("E f_mount error: %s (%d)\n", FRESULT_str(fr), fr);
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return;
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}
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FIL fil;
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fr = f_open(&fil, filename, FA_CREATE_ALWAYS | FA_WRITE);
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if (fr == FR_OK) {
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f_write(&fil, ram, save_size, &bw);
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} else {
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printf("E f_open(%s) error: %s (%d)\n", filename, FRESULT_str(fr), fr);
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}
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fr = f_close(&fil);
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if (fr != FR_OK) {
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printf("E f_close error: %s (%d)\n", FRESULT_str(fr), fr);
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}
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f_unmount(pSD->pcName);
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}
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printf("I write_cart_ram_file(%s) COMPLETE (%lu bytes)\n", filename, save_size);
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}
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/**
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* Load a .gb rom file in flash from the SD card
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*/
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void load_cart_rom_file(char* filename) {
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UINT br;
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uint8_t buffer[FLASH_SECTOR_SIZE];
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bool mismatch = false;
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sd_card_t* pSD = sd_get_by_num(0);
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FRESULT fr = f_mount(&pSD->fatfs, pSD->pcName, 1);
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if (FR_OK != fr) {
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printf("E f_mount error: %s (%d)\n", FRESULT_str(fr), fr);
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return;
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}
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FIL fil;
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fr = f_open(&fil, filename, FA_READ);
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if (fr == FR_OK) {
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uint32_t flash_target_offset = FLASH_TARGET_OFFSET;
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for (;;) {
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f_read(&fil, buffer, sizeof buffer, &br);
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if (br == 0)
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break; /* end of file */
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printf("I Erasing target region...\n");
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flash_range_erase(flash_target_offset, FLASH_SECTOR_SIZE);
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printf("I Programming target region...\n");
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flash_range_program(flash_target_offset, buffer, FLASH_SECTOR_SIZE);
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/* Read back target region and check programming */
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printf("I Done. Reading back target region...\n");
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for (uint32_t i = 0; i < FLASH_SECTOR_SIZE; i++) {
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if (rom[flash_target_offset + i] != buffer[i]) {
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mismatch = true;
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}
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}
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/* Next sector */
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flash_target_offset += FLASH_SECTOR_SIZE;
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}
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if (mismatch) {
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printf("I Programming successful!\n");
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} else {
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printf("E Programming failed!\n");
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}
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} else {
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printf("E f_open(%s) error: %s (%d)\n", filename, FRESULT_str(fr), fr);
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}
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fr = f_close(&fil);
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if (fr != FR_OK) {
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printf("E f_close error: %s (%d)\n", FRESULT_str(fr), fr);
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}
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f_unmount(pSD->pcName);
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printf("I load_cart_rom_file(%s) COMPLETE (%lu bytes)\n", filename, br);
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}
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/**
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* Function used by the rom file selector to display one page of .gb rom files
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*/
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uint16_t rom_file_selector_display_page(char filename[22][256], uint16_t num_page) {
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sd_card_t* pSD = sd_get_by_num(0);
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DIR dj;
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FILINFO fno;
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FRESULT fr;
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fr = f_mount(&pSD->fatfs, pSD->pcName, 1);
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if (FR_OK != fr) {
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printf("E f_mount error: %s (%d)\n", FRESULT_str(fr), fr);
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return 0;
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}
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/* clear the filenames array */
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for (uint8_t ifile = 0; ifile < 22; ifile++) {
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strcpy(filename[ifile], "");
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}
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/* search *.gb files */
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uint16_t num_file = 0;
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fr = f_findfirst(&dj, &fno, "", "*.gb");
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/* skip the first N pages */
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if (num_page > 0) {
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while (num_file < num_page * 22 && fr == FR_OK && fno.fname[0]) {
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num_file++;
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fr = f_findnext(&dj, &fno);
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}
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}
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/* store the filenames of this page */
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num_file = 0;
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while (num_file < 22 && fr == FR_OK && fno.fname[0]) {
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strcpy(filename[num_file], fno.fname);
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num_file++;
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fr = f_findnext(&dj, &fno);
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}
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f_closedir(&dj);
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f_unmount(pSD->pcName);
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/* display *.gb rom files on screen */
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lcd_fill(0x0000);
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for (uint8_t ifile = 0; ifile < num_file; ifile++) {
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lcd_text(filename[ifile], 0, ifile * 8, 0xFFFF, 0x0000);
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}
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return num_file;
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}
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/**
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* The ROM selector displays pages of up to 22 rom files
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* allowing the user to select which rom file to start
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* Copy your *.gb rom files to the root directory of the SD card
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*/
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void rom_file_selector() {
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uint16_t num_page;
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char filename[22][256];
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uint16_t num_file;
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/* display the first page with up to 22 rom files */
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num_file = rom_file_selector_display_page(filename, num_page);
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/* select the first rom */
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uint8_t selected = 0;
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lcd_text(filename[selected], 0, selected * 8, 0xFFFF, 0xF800);
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/* get user's input */
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bool up, down, left, right, a, b, select, start;
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while (true) {
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up = gpio_get(GPIO_UP);
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down = gpio_get(GPIO_DOWN);
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left = gpio_get(GPIO_LEFT);
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right = gpio_get(GPIO_RIGHT);
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a = gpio_get(GPIO_A);
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b = gpio_get(GPIO_B);
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select = gpio_get(GPIO_SELECT);
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start = gpio_get(GPIO_START);
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if (!start) {
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/* re-start the last game (no need to reprogram flash) */
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break;
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}
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if (!a | !b) {
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/* copy the rom from the SD card to flash and start the game */
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load_cart_rom_file(filename[selected]);
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break;
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}
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if (!down) {
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/* select the next rom */
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lcd_text(filename[selected], 0, selected * 8, 0xFFFF, 0x0000);
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selected++;
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if (selected >= num_file)
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selected = 0;
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lcd_text(filename[selected], 0, selected * 8, 0xFFFF, 0xF800);
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sleep_ms(150);
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}
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if (!up) {
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/* select the previous rom */
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lcd_text(filename[selected], 0, selected * 8, 0xFFFF, 0x0000);
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if (selected == 0) {
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selected = num_file - 1;
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} else {
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selected--;
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}
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lcd_text(filename[selected], 0, selected * 8, 0xFFFF, 0xF800);
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sleep_ms(150);
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}
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if (!right) {
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/* select the next page */
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num_page++;
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num_file = rom_file_selector_display_page(filename, num_page);
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if (num_file == 0) {
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/* no files in this page, go to the previous page */
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num_page--;
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num_file = rom_file_selector_display_page(filename, num_page);
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}
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/* select the first file */
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selected = 0;
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lcd_text(filename[selected], 0, selected * 8, 0xFFFF, 0xF800);
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sleep_ms(150);
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}
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if ((!left) && num_page > 0) {
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/* select the previous page */
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num_page--;
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num_file = rom_file_selector_display_page(filename, num_page);
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/* select the first file */
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selected = 0;
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lcd_text(filename[selected], 0, selected * 8, 0xFFFF, 0xF800);
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sleep_ms(150);
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}
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tight_loop_contents();
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}
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}
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#endif
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