| Line 28... |
Line 28... |
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/* *********************************************************************
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/* *********************************************************************
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***** global variables **********************************************
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***** global variables **********************************************
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********************************************************************* */
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********************************************************************* */
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xdata WORD eeprom_addr;
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xdata WORD eeprom_addr;
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xdata WORD eeprom_length;
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xdata WORD eeprom_write_bytes;
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xdata WORD eeprom_write_bytes;
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xdata BYTE eeprom_write_checksum;
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xdata BYTE eeprom_write_checksum;
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/* *********************************************************************
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/* *********************************************************************
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***** i2c_waitWrite *************************************************
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***** i2c_waitWrite *************************************************
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********************************************************************* */
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********************************************************************* */
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/* Do the necessary steps after writing I2DAT register. Returns 1 on error. */
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/* Do the necessary steps after writing I2DAT register. Returns 1 on error. */
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BYTE i2c_waitWrite()
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BYTE i2c_waitWrite()
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| Line 200... |
Line 200... |
/* *********************************************************************
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/* *********************************************************************
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***** EP0 vendor request 0x38 ***************************************
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***** EP0 vendor request 0x38 ***************************************
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********************************************************************* */
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********************************************************************* */
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BYTE eeprom_read_ep0 () {
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BYTE eeprom_read_ep0 () {
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BYTE i, b;
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BYTE i, b;
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b = ( eeprom_length > 64 ) ? 64 : eeprom_length;
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b = ep0_payload_transfer;
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i = eeprom_read(EP0BUF, eeprom_addr, b);
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i = eeprom_read(EP0BUF, eeprom_addr, b);
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eeprom_addr += b;
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eeprom_addr += b;
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eeprom_length -= b;
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return i;
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return i;
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}
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}
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ADD_EP0_VENDOR_REQUEST((0x38,, // read from EEPROM
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ADD_EP0_VENDOR_REQUEST((0x38,, // read from EEPROM
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eeprom_addr = (SETUPDAT[3] << 8) | SETUPDAT[2]; // Address
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eeprom_addr = (SETUPDAT[3] << 8) | SETUPDAT[2]; // Address
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eeprom_length = (SETUPDAT[7] << 8) | SETUPDAT[6]; // size
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EP0BCH = 0;
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EP0BCH = 0;
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EP0BCL = eeprom_read_ep0();
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EP0BCL = eeprom_read_ep0();
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,,
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,,
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EP0BCH = 0;
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EP0BCH = 0;
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EP0BCL = eeprom_read_ep0();
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EP0BCL = eeprom_read_ep0();
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Line 228... |
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ADD_EP0_VENDOR_COMMAND((0x39,, // write to EEPROM
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ADD_EP0_VENDOR_COMMAND((0x39,, // write to EEPROM
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eeprom_write_checksum = 0;
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eeprom_write_checksum = 0;
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eeprom_write_bytes = 0;
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eeprom_write_bytes = 0;
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eeprom_addr = ( SETUPDAT[3] << 8) | SETUPDAT[2]; // Address
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eeprom_addr = ( SETUPDAT[3] << 8) | SETUPDAT[2]; // Address
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EP0BCL = 1;
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,,
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,,
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eeprom_write_ep0(EP0BCL);
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eeprom_write_ep0(EP0BCL);
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));;
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));;
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/* *********************************************************************
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/* *********************************************************************
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