/* * ===================================================================================== * * ________ .__ __ ________ ____ ________ * \_____ \ __ __|__| ____ | | __\______ \ _______ _/_ |/ _____/ * / / \ \| | \ |/ ___\| |/ / | | \_/ __ \ \/ /| / __ \ * / \_/. \ | / \ \___| < | ` \ ___/\ / | \ |__\ \ * \_____\ \_/____/|__|\___ >__|_ \/_______ /\___ >\_/ |___|\_____ / * \__> \/ \/ \/ \/ \/ * * www.optixx.org * * * Version: 1.0 * Created: 07/21/2009 03:32:16 PM * Author: david@optixx.org * * ===================================================================================== */ #include #include #include #include #include #include #include "usbdrv.h" #include "oddebug.h" #include "config.h" #include "requests.h" #include "uart.h" #include "sram.h" #include "debug.h" #include "info.h" #include "dump.h" #include "crc.h" #include "usb_bulk.h" #include "timer.h" #include "watchdog.h" #include "rle.h" #include "loader.h" #include "command.h" #include "shared_memory.h" #include "irq.h" #include "pwm.h" #include "testing.h" #include "shell.h" #include "system.h" #ifndef NO_DEBUG extern FILE uart_stdout; #endif extern system_t my_system; uint8_t debug_level = (DEBUG | DEBUG_USB | DEBUG_CRC); usb_transaction_t usb_trans; usbMsgLen_t usbFunctionSetup(uchar data[8]) { usbRequest_t *rq = (void *) data; uint8_t ret_len = 0; if (rq->bRequest == USB_BULK_UPLOAD_INIT) { usb_trans.req_bank = 0; usb_trans.rx_remaining = 0; debug_P(DEBUG_USB, PSTR("USB_BULK_UPLOAD_INIT: %i %i\n"), rq->wValue.word, rq->wIndex.word); usb_trans.req_bank_size = (uint32_t) (1L << rq->wValue.word); usb_trans.req_bank_cnt = rq->wIndex.word; usb_trans.req_addr_end = (uint32_t) usb_trans.req_bank_size * usb_trans.req_bank_cnt; usb_trans.req_percent = 0; usb_trans.req_percent_last = 0; usb_trans.sync_errors = 0; debug_P(DEBUG_USB, PSTR ("USB_BULK_UPLOAD_INIT: bank_size=0x%08lx bank_cnt=0x%x end_addr=0x%08lx\n"), usb_trans.req_bank_size, usb_trans.req_bank_cnt, usb_trans.req_addr_end); shared_memory_write(SHARED_MEM_TX_CMD_UPLOAD_START, 0); shared_memory_write(SHARED_MEM_TX_CMD_BANK_COUNT, usb_trans.req_bank_cnt); #if DO_TIMER if (usb_trans.req_addr == 0x000000) { #ifndef NO_DEBUG timer_start(); #endif } #endif /* * ------------------------------------------------------------------------- */ } else if (rq->bRequest == USB_BULK_UPLOAD_ADDR) { usb_trans.req_state = REQ_STATUS_BULK_UPLOAD; usb_trans.req_addr = rq->wValue.word; usb_trans.req_addr = usb_trans.req_addr << 16; usb_trans.req_addr = usb_trans.req_addr | rq->wIndex.word; usb_trans.rx_remaining = rq->wLength.word; if (usb_trans.req_addr && usb_trans.req_addr % usb_trans.req_bank_size == 0) { #if DO_TIMER #ifndef NO_DEBUG #ifdef FLT_DEBUG debug_P(DEBUG_USB, PSTR ("USB_BULK_UPLOAD_ADDR: req_bank=0x%02x addr=0x%08lx time=%.4f\n"), usb_trans.req_bank, usb_trans.req_addr, timer_stop()); #else debug_P(DEBUG_USB, PSTR ("USB_BULK_UPLOAD_ADDR: req_bank=0x%02x addr=0x%08lx time=%i\n"), usb_trans.req_bank, usb_trans.req_addr, timer_stop_int()); #endif timer_start(); #endif #endif usb_trans.req_bank++; } else { sram_bulk_write_start(usb_trans.req_addr); } ret_len = USB_MAX_TRANS; /* * ------------------------------------------------------------------------- */ } else if (rq->bRequest == USB_BULK_UPLOAD_NEXT) { usb_trans.req_state = REQ_STATUS_BULK_UPLOAD; usb_trans.req_addr = rq->wValue.word; usb_trans.req_addr = usb_trans.req_addr << 16; usb_trans.req_addr = usb_trans.req_addr | rq->wIndex.word; usb_trans.rx_remaining = rq->wLength.word; #if DO_SHM usb_trans.req_percent = (uint32_t) (100 * usb_trans.req_addr) / usb_trans.req_addr_end; if (usb_trans.req_percent != usb_trans.req_percent_last) { shared_memory_write(SHARED_MEM_TX_CMD_UPLOAD_PROGESS, usb_trans.req_percent); } usb_trans.req_percent_last = usb_trans.req_percent; shared_memory_scratchpad_region_save_helper(usb_trans.req_addr); #endif if (usb_trans.req_addr && (usb_trans.req_addr % usb_trans.req_bank_size) == 0) { #if DO_TIMER #ifndef NO_DEBUG #ifdef FLT_DEBUG debug_P(DEBUG_USB, PSTR ("USB_BULK_UPLOAD_NEXT: req_bank=0x%02x addr=0x%08lx time=%.4f\n"), usb_trans.req_bank, usb_trans.req_addr, timer_stop()); #else debug_P(DEBUG_USB, PSTR ("USB_BULK_UPLOAD_NEXT: req_bank=0x%02x addr=0x%08lx time=%i\n"), usb_trans.req_bank, usb_trans.req_addr, timer_stop_int()); #endif timer_start(); #endif #endif usb_trans.req_bank++; #if DO_SHM shared_memory_write(SHARED_MEM_TX_CMD_BANK_CURRENT, usb_trans.req_bank); #endif } ret_len = USB_MAX_TRANS; /* * ------------------------------------------------------------------------- */ } else if (rq->bRequest == USB_BULK_UPLOAD_END) { debug_P(DEBUG_USB, PSTR("USB_BULK_UPLOAD_END:\n")); usb_trans.req_state = REQ_STATUS_IDLE; sram_bulk_write_end(); #if DO_SHM shared_memory_write(SHARED_MEM_TX_CMD_UPLOAD_END, 0); #endif ret_len = 0; /* * ------------------------------------------------------------------------- */ } else if (rq->bRequest == USB_CRC) { usb_trans.req_addr = rq->wValue.word; usb_trans.req_addr = usb_trans.req_addr << 16; usb_trans.req_addr = usb_trans.req_addr | rq->wIndex.word; debug_P(DEBUG_USB, PSTR("USB_CRC: addr=0x%08lx \n"), usb_trans.req_addr); #if DO_CRC_CHECK crc_check_bulk_memory(0x000000, usb_trans.req_addr, usb_trans.req_bank_size); #endif ret_len = 0; /* * ------------------------------------------------------------------------- */ } else if (rq->bRequest == USB_MODE_SNES) { usb_trans.req_state = REQ_STATUS_SNES; debug_P(DEBUG_USB, PSTR("USB_MODE_SNES:\n")); ret_len = 0; /* * ------------------------------------------------------------------------- */ } else if (rq->bRequest == USB_MODE_AVR) { usb_trans.req_state = REQ_STATUS_AVR; debug_P(DEBUG_USB, PSTR("USB_MODE_AVR:\n")); ret_len = 0; /* * ------------------------------------------------------------------------- */ } else if (rq->bRequest == USB_AVR_RESET) { debug_P(DEBUG_USB, PSTR("USB_AVR_RESET:\n")); soft_reset(); ret_len = 0; /* * ------------------------------------------------------------------------- */ } else if (rq->bRequest == USB_SET_LAODER) { debug_P(DEBUG_USB, PSTR("USB_SET_LAODER:\n")); usb_trans.loader_enabled = rq->wValue.word; ret_len = 0; } usbMsgPtr = usb_trans.rx_buffer; return ret_len; } /* * ------------------------------------------------------------------------- */ void globals_init() { memset(&usb_trans, 0, sizeof(usb_transaction_t)); usb_trans.req_addr = 0; usb_trans.req_addr_end = 0; usb_trans.req_state = REQ_STATUS_IDLE; usb_trans.rx_remaining = 0; usb_trans.tx_remaining = 0; usb_trans.sync_errors = 0; usb_trans.loader_enabled = 1; } int main(void) { #ifndef NO_DEBUG uart_init(); stdout = &uart_stdout; banner(); #endif shared_memory_init(); system_init(); sram_init(); pwm_init(); irq_init(); boot_startup_rom(50); globals_init(); pwm_stop(); usbInit(); usb_connect(); sei(); while (1) { system_set_bus_avr(); system_set_wr_disable(); while (usb_trans.req_state != REQ_STATUS_SNES) { usbPoll(); #if DO_SHELL #ifndef NO_DEBUG shell_run(); #endif #endif } #if DO_SHM shared_memory_write(SHARED_MEM_TX_CMD_TERMINATE, 0); #endif #if DO_SHM_SCRATCHPAD shared_memory_scratchpad_region_tx_restore(); shared_memory_scratchpad_region_rx_restore(); #endif #if DO_CRC_CHECK info_P(PSTR("-->CRC Check\n")); crc_check_bulk_memory(0x000000, usb_trans.req_bank_size * usb_trans.req_bank_cnt, usb_trans.req_bank_size); #endif system_set_rom_mode(&usb_trans); system_set_wr_disable(); system_set_bus_snes(); system_send_snes_reset(); irq_stop(); while ((usb_trans.req_state != REQ_STATUS_AVR)) { usbPoll(); #if DO_SHELL #ifndef NO_DEBUG shell_run(); #endif #endif } info_P(PSTR("-->Switch TO AVR\n")); shared_memory_init(); irq_init(); if (usb_trans.loader_enabled) { boot_startup_rom(50); } else { system_set_bus_avr(); system_send_snes_reset(); } globals_init(); } return 0; }