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- /*
- * =====================================================================================
- *
- * ________ .__ __ ________ ____ ________
- * \_____ \ __ __|__| ____ | | __\______ \ _______ _/_ |/ _____/
- * / / \ \| | \ |/ ___\| |/ / | | \_/ __ \ \/ /| / __ \
- * / \_/. \ | / \ \___| < | ` \ ___/\ / | \ |__\ \
- * \_____\ \_/____/|__|\___ >__|_ \/_______ /\___ >\_/ |___|\_____ /
- * \__> \/ \/ \/ \/ \/
- *
- * www.optixx.org
- *
- *
- * Version: 1.0
- * Created: 07/21/2009 03:32:16 PM
- * Author: david@optixx.org
- *
- * =====================================================================================
- */
- #include <avr/interrupt.h>
- #include <util/delay.h>
- #include <stdlib.h>
- #include <avr/pgmspace.h>
- #include <avr/eeprom.h>
- #include <string.h>
- #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;
- }
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