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/*!
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/*!
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ZTEX Firmware Kit for EZ-USB FX2 Microcontrollers
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ZTEX Firmware Kit for EZ-USB FX2 Microcontrollers
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Copyright (C) 2009-2011 ZTEX GmbH.
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Copyright (C) 2009-2014 ZTEX GmbH.
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http://www.ztex.de
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http://www.ztex.de
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License version 3 as
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it under the terms of the GNU General Public License version 3 as
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published by the Free Software Foundation.
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published by the Free Software Foundation.
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#ifndef[SPI_BIT_CLK]
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#ifndef[SPI_BIT_CLK]
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#error[SPI_BIT_CLK not defined]
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#error[SPI_BIT_CLK not defined]
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#endif
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#endif
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#ifndef[SPI_DOPORT]
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#ifndef[SPI_OPORT]
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#define[SPI_OPORT][SPI_PORT]
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#define[SPI_OPORT][SPI_PORT]
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#endif
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#endif
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#define[SPI_IO@][IOSPI_PORT]
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#define[SPI_IO@][IOSPI_PORT]
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#define[SPI_OIO@][IOSPI_OPORT]
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#define[SPI_OIO@][IOSPI_OPORT]
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BYTE flash_read_init(WORD s) {
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BYTE flash_read_init(WORD s) {
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if ( (SPI_CS) == 0 ) {
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if ( (SPI_CS) == 0 ) {
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flash_ec = FLASH_EC_PENDING;
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flash_ec = FLASH_EC_PENDING;
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return FLASH_EC_PENDING; // we interrupted a pending Flash operation
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return FLASH_EC_PENDING; // we interrupted a pending Flash operation
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}
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}
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OESPI_OPORT &= ~bmBITSPI_BIT_DO;
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OESPI_PORT |= bmBITSPI_BIT_CS | bmBITSPI_BIT_DI | bmBITSPI_BIT_CLK;
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if ( spi_wait() ) {
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if ( spi_wait() ) {
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return flash_ec;
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return flash_ec;
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}
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}
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s = s << ((BYTE)flash_sector_size - 8);
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s = s << ((BYTE)flash_sector_size - 8);
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BYTE flash_write_init(WORD s) {
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BYTE flash_write_init(WORD s) {
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if ( !SPI_CS ) {
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if ( !SPI_CS ) {
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flash_ec = FLASH_EC_PENDING;
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flash_ec = FLASH_EC_PENDING;
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return FLASH_EC_PENDING; // we interrupted a pending Flash operation
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return FLASH_EC_PENDING; // we interrupted a pending Flash operation
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}
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}
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OESPI_OPORT &= ~bmBITSPI_BIT_DO;
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OESPI_PORT |= bmBITSPI_BIT_CS | bmBITSPI_BIT_DI | bmBITSPI_BIT_CLK;
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if ( spi_wait() ) {
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if ( spi_wait() ) {
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return flash_ec;
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return flash_ec;
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}
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}
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spi_write_sector = s;
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spi_write_sector = s;
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s = s << ((BYTE)flash_sector_size - 8);
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s = s << ((BYTE)flash_sector_size - 8);
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