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- /*
- * =====================================================================================
- *
- * ________ .__ __ ________ ____ ________
- * \_____ \ __ __|__| ____ | | __\______ \ _______ _/_ |/ _____/
- * / / \ \| | \ |/ ___\| |/ / | | \_/ __ \ \/ /| / __ \
- * / \_/. \ | / \ \___| < | ` \ ___/\ / | \ |__\ \
- * \_____\ \_/____/|__|\___ >__|_ \/_______ /\___ >\_/ |___|\_____ /
- * \__> \/ \/ \/ \/ \/
- *
- * www.optixx.org
- *
- *
- * Version: 1.0
- * Created: 07/21/2009 03:32:16 PM
- * Author: david@optixx.org
- *
- * =====================================================================================
- */
- #include <avr/io.h>
- #include <avr/pgmspace.h> /* required by usbdrv.h */
- #include <avr/interrupt.h> /* for sei() */
- #include <util/delay.h> /* for _delay_ms() */
- #include <stdlib.h>
- #include "usbdrv.h"
- #include "oddebug.h" /* This is also an example for using debug
- * macros */
- #include "config.h"
- #include "requests.h" /* The custom request numbers we use */
- #include "uart.h"
- #include "sram.h"
- #include "debug.h"
- #include "crc.h"
- #include "usb_bulk.h"
- extern uint8_t read_buffer[TRANSFER_BUFFER_SIZE];
- extern uint32_t req_addr;
- extern uint32_t req_size;
- extern uint8_t req_bank;
- extern uint32_t req_bank_size;
- extern uint8_t req_state;
- extern uint8_t rx_remaining;
- extern uint8_t tx_remaining;
- extern uint8_t tx_buffer[32];
- extern uint16_t crc;
- uint8_t usbFunctionWrite(uint8_t * data, uint8_t len)
- {
- uint8_t *ptr;
- uint8_t i;
-
- if (len > rx_remaining) {
- printf("ERROR:usbFunctionWrite more data than expected remain: %i len: %i\n",
- rx_remaining, len);
- len = rx_remaining;
- }
- if (req_state == REQ_STATUS_UPLOAD) {
- rx_remaining -= len;
- debug(DEBUG_USB_TRANS,"usbFunctionWrite REQ_STATUS_UPLOAD addr: 0x%08lx len: %i rx_remaining=%i\n",
- req_addr, len, rx_remaining);
- debug(DEBUG_USB_TRANS,"usbFunctionWrite %02x %02x %02x %02x %02x %02x %02x %x\n",
- data[0],data[1],data[2],data[3],data[4],data[5],data[6],data[7]);
- sram_copy(req_addr, data, len);
- req_addr += len;
- } else if (req_state == REQ_STATUS_BULK_UPLOAD) {
- rx_remaining -= len;
- debug(DEBUG_USB_TRANS,"usbFunctionWrite REQ_STATUS_BULK_UPLOAD addr: 0x%08lx len: %i rx_remaining=%i\n",
- req_addr, len, rx_remaining);
- ptr = data;
- i = len;
- while(i--){
- sram_bulk_write(*ptr++);
- sram_bulk_write_next();
- }
- }
- /* test this */
- //return rx_remaining == 0
- return len;
- }
- uint8_t usbFunctionRead(uint8_t * data, uint8_t len)
- {
- uint8_t i;
- if (len > tx_remaining)
- len = tx_remaining;
- tx_remaining -= len;
- debug(DEBUG_USB_TRANS,"usbFunctionRead len=%i tx_remaining=%i \n", len, tx_remaining);
- for (i = 0; i < len; i++) {
- *data = tx_buffer[len];
- data++;
- }
- return len;
- }
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