From 49a4016507e6239ca313bafff5dcaf37cd6647fd Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Tue, 19 Aug 2008 15:47:14 +0000 Subject: 2008-08-19 Joel Sherrill * dswifi/arm7/makefile, dswifi/include/netinet/in.h, libnds/basicARM7/source/defaultARM7.c, libnds/include/gbfs.h, libnds/include/nds/bios.h, libnds/include/nds/card.h, libnds/include/nds/dma.h, libnds/include/nds/interrupts.h, libnds/include/nds/ipc.h, libnds/include/nds/jtypes.h, libnds/include/nds/registers_alt.h, libnds/include/nds/system.h, libnds/include/nds/timers.h, libnds/include/nds/arm7/audio.h, libnds/include/nds/arm7/clock.h, libnds/include/nds/arm7/serial.h, libnds/include/nds/arm7/touch.h, libnds/include/nds/arm9/boxtest.h, libnds/include/nds/arm9/cache.h, libnds/include/nds/arm9/console.h, libnds/include/nds/arm9/ndsmotion.h, libnds/include/nds/arm9/video.h, libnds/include/nds/arm9/videoGL.h, libnds/source/arm7/audio.c, libnds/source/arm7/clock.c, libnds/source/arm7/microphone.c, libnds/source/arm7/touch.c, libnds/source/arm7/userSettings.c, libnds/source/arm9/boxtest.c, libnds/source/arm9/gurumeditation.c, libnds/source/arm9/ndsmotion.c, libnds/source/arm9/videoGL.c, libnds/source/common/card.c, libnds/source/common/interruptDispatcher.S, touchscreen/reco.c: Fix various warnings by fixing prototypes. Remove unused .bin files. Convert all files to UNIX CF/LF. * libnds/source/arm9/COS.bin, libnds/source/arm9/SIN.bin, libnds/source/arm9/TAN.bin, libnds/source/arm9/default_font.bin: Removed. --- .../lib/libbsp/arm/nds/libnds/source/common/card.c | 788 ++++++++++----------- 1 file changed, 394 insertions(+), 394 deletions(-) (limited to 'c/src/lib/libbsp/arm/nds/libnds/source/common/card.c') diff --git a/c/src/lib/libbsp/arm/nds/libnds/source/common/card.c b/c/src/lib/libbsp/arm/nds/libnds/source/common/card.c index 8aad2d93aa..6990380471 100644 --- a/c/src/lib/libbsp/arm/nds/libnds/source/common/card.c +++ b/c/src/lib/libbsp/arm/nds/libnds/source/common/card.c @@ -1,394 +1,394 @@ -/*--------------------------------------------------------------------------------- - $Id$ - - Copyright (C) 2005 - Michael Noland (joat) - Jason Rogers (dovoto) - Dave Murphy (WinterMute) - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any - damages arising from the use of this software. - - Permission is granted to anyone to use this software for any - purpose, including commercial applications, and to alter it and - redistribute it freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you - must not claim that you wrote the original software. If you use - this software in a product, an acknowledgment in the product - documentation would be appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and - must not be misrepresented as being the original software. - 3. This notice may not be removed or altered from any source - distribution. - - ----------------------------------------------------------------------------------*/ -#include "nds/card.h" -#include "nds/dma.h" -#include "nds/memory.h" - - -//--------------------------------------------------------------------------------- -void cardWriteCommand(const uint8 * command) { -//--------------------------------------------------------------------------------- - int index; - - CARD_CR1H = CARD_CR1_ENABLE | CARD_CR1_IRQ; - - for (index = 0; index < 8; index++) { - CARD_COMMAND[7-index] = command[index]; - } -} - - -//--------------------------------------------------------------------------------- -void cardPolledTransfer(uint32 flags, uint32 * destination, uint32 length, const uint8 * command) { -//--------------------------------------------------------------------------------- - u32 data;; - cardWriteCommand(command); - CARD_CR2 = flags; - uint32 * target = destination + length; - do { - // Read data if available - if (CARD_CR2 & CARD_DATA_READY) { - data=CARD_DATA_RD; - if (destination < target) - *destination = data; - destination++; - } - } while (CARD_CR2 & CARD_BUSY); -} - - -//--------------------------------------------------------------------------------- -void cardStartTransfer(const uint8 * command, uint32 * destination, int channel, uint32 flags) { -//--------------------------------------------------------------------------------- - cardWriteCommand(command); - - // Set up a DMA channel to transfer a word every time the card makes one - DMA_SRC(channel) = (uint32)&CARD_DATA_RD; - DMA_DEST(channel) = (uint32)destination; - DMA_CR(channel) = DMA_ENABLE | DMA_START_CARD | DMA_32_BIT | DMA_REPEAT | DMA_SRC_FIX | 0x0001;; - - CARD_CR2 = flags; -} - - -//--------------------------------------------------------------------------------- -uint32 cardWriteAndRead(const uint8 * command, uint32 flags) { -//--------------------------------------------------------------------------------- - cardWriteCommand(command); - CARD_CR2 = flags | CARD_ACTIVATE | CARD_nRESET | 0x07000000; - while (!(CARD_CR2 & CARD_DATA_READY)) ; - return CARD_DATA_RD; -} - - -//--------------------------------------------------------------------------------- -void cardRead00(uint32 address, uint32 * destination, uint32 length, uint32 flags) { -//---------------------------------------------------------------------------------f - uint8 command[8]; - command[7] = 0; - command[6] = (address >> 24) & 0xff; - command[5] = (address >> 16) & 0xff; - command[4] = (address >> 8) & 0xff; - command[3] = address & 0xff; - command[2] = 0; - command[1] = 0; - command[0] = 0; - cardPolledTransfer(flags, destination, length, command); -} - - -//--------------------------------------------------------------------------------- -void cardReadHeader(uint8 * header) { -//--------------------------------------------------------------------------------- - cardRead00(0, (uint32 *)header, 512, 0xA93F1FFF); -} - - -//--------------------------------------------------------------------------------- -int cardReadID(uint32 flags) { -//--------------------------------------------------------------------------------- - uint8 command[8] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90}; - return cardWriteAndRead(command, flags); -} - - -//--------------------------------------------------------------------------------- -static inline void EepromWaitBusy() { -//--------------------------------------------------------------------------------- - while (CARD_CR1 & /*BUSY*/0x80); -} - -//--------------------------------------------------------------------------------- -uint8 cardEepromReadID(uint8 i) { -//--------------------------------------------------------------------------------- - return cardEepromCommand(/*READID*/0xAB, i&1); -} - -//--------------------------------------------------------------------------------- -uint8 cardEepromCommand(uint8 command, uint32 address) { -//--------------------------------------------------------------------------------- - uint8 retval; - int k; - CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; - - CARD_CR1 = 0xFFFF; - CARD_EEPDATA = command; - - EepromWaitBusy(); - - CARD_EEPDATA = (address >> 16) & 0xFF; - EepromWaitBusy(); - - CARD_EEPDATA = (address >> 8) & 0xFF; - EepromWaitBusy(); - - CARD_EEPDATA = (address) & 0xFF; - EepromWaitBusy(); - - for(k=0;k<256;k++) - { - retval = CARD_EEPDATA; - if(retval!=0xFF) - break; - EepromWaitBusy(); - } - - CARD_CR1 = /*MODE*/0x40; - return retval; -} - -//--------------------------------------------------------------------------------- -int cardEepromGetType(void) -//--------------------------------------------------------------------------------- -{ - uint8 c00; - uint8 c05; - uint8 c9f; - uint8 c03; - -#ifdef ARM9 - sysSetBusOwners(BUS_OWNER_ARM9, BUS_OWNER_ARM9); -#endif - - c03=cardEepromCommand(0x03,0); - c05=cardEepromCommand(0x05,0); - c9f=cardEepromCommand(0x9f,0); - c00=cardEepromCommand(0x00,0); - - if((c00==0x00) && (c9f==0x00)) return 0; // PassMe? - if((c00==0xff) && (c05==0xff) && (c9f==0xff))return -1; - - if((c00==0xff) && (c05 & 0xFD) == 0xF0 && (c9f==0xff))return 1; - if((c00==0xff) && (c05 & 0xFD) == 0x00 && (c9f==0xff))return 2; - if((c00==0xff) && (c05 & 0xFD) == 0x00 && (c9f==0x00))return 3; - if((c00==0xff) && (c05 & 0xFD) == 0x00 && (c9f==0x12))return 3; // NEW TYPE 3 - if((c00==0xff) && (c05 & 0xFD) == 0x00 && (c9f==0x13))return 3; // NEW TYPE 3+ 4Mbit - if((c00==0xff) && (c05 & 0xFD) == 0x00 && (c9f==0x14))return 3; // NEW TYPE 3++ 8Mbit MK4-FLASH Memory - - return 0; -} - -//--------------------------------------------------------------------------------- -uint32 cardEepromGetSize() { -//--------------------------------------------------------------------------------- - - int type = cardEepromGetType(); - - if(type == -1) - return 0; - if(type == 0) - return 8192; - if(type == 1) - return 512; - if(type == 2) { - static const uint32 offset0 = (8*1024-1); // 8KB - static const uint32 offset1 = (2*8*1024-1); // 16KB - u8 buf1; // +0k data read -> write - u8 buf2; // +8k data read -> read - u8 buf3; // +0k ~data write - u8 buf4; // +8k data new comp buf2 - cardReadEeprom(offset0,&buf1,1,type); - cardReadEeprom(offset1,&buf2,1,type); - buf3=~buf1; - cardWriteEeprom(offset0,&buf3,1,type); - cardReadEeprom (offset1,&buf4,1,type); - cardWriteEeprom(offset0,&buf1,1,type); - if(buf4!=buf2) // +8k - return 8*1024; // 8KB(64kbit) - else - return 64*1024; // 64KB(512kbit) - } - if(type == 3) { - uint8 c9f; - c9f=cardEepromCommand(0x9f,0); - - if(c9f==0x14) - return 1024*1024; // NEW TYPE 3++ 8Mbit(1024KByte) - - if(c9f==0x13) - return 512*1024; // NEW TYPE 3+ 4Mbit(512KByte) - - return 256*1024; // TYPE 3 2Mbit(256KByte) - } - - return 0; -} - - -//--------------------------------------------------------------------------------- -void cardReadEeprom(uint32 address, uint8 *data, uint32 length, uint32 addrtype) { -//--------------------------------------------------------------------------------- - - CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; - CARD_EEPDATA = 0x03 | ((addrtype == 1) ? address>>8<<3 : 0); - EepromWaitBusy(); - - if (addrtype == 3) { - CARD_EEPDATA = (address >> 16) & 0xFF; - EepromWaitBusy(); - } - - if (addrtype >= 2) { - CARD_EEPDATA = (address >> 8) & 0xFF; - EepromWaitBusy(); - } - - - CARD_EEPDATA = (address) & 0xFF; - EepromWaitBusy(); - - while (length > 0) { - CARD_EEPDATA = 0; - EepromWaitBusy(); - *data++ = CARD_EEPDATA; - length--; - } - - EepromWaitBusy(); - CARD_CR1 = /*MODE*/0x40; -} - - -//--------------------------------------------------------------------------------- -void cardWriteEeprom(uint32 address, uint8 *data, uint32 length, uint32 addrtype) { -//--------------------------------------------------------------------------------- - - uint32 address_end = address + length; - int i; - int maxblocks = 32; - if(addrtype == 1) maxblocks = 16; - if(addrtype == 2) maxblocks = 32; - if(addrtype == 3) maxblocks = 256; - - while (address < address_end) { - // set WEL (Write Enable Latch) - CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; - CARD_EEPDATA = 0x06; EepromWaitBusy(); - CARD_CR1 = /*MODE*/0x40; - - // program maximum of 32 bytes - CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; - - if(addrtype == 1) { - // WRITE COMMAND 0x02 + A8 << 3 - CARD_EEPDATA = 0x02 | (address & BIT(8)) >> (8-3) ; - EepromWaitBusy(); - CARD_EEPDATA = address & 0xFF; - EepromWaitBusy(); - } - else if(addrtype == 2) { - CARD_EEPDATA = 0x02; - EepromWaitBusy(); - CARD_EEPDATA = address >> 8; - EepromWaitBusy(); - CARD_EEPDATA = address & 0xFF; - EepromWaitBusy(); - } - else if(addrtype == 3) { - CARD_EEPDATA = 0x02; - EepromWaitBusy(); - CARD_EEPDATA = (address >> 16) & 0xFF; - EepromWaitBusy(); - CARD_EEPDATA = (address >> 8) & 0xFF; - EepromWaitBusy(); - CARD_EEPDATA = address & 0xFF; - EepromWaitBusy(); - } - - for (i=0; address> 16) & 0xFF; - EepromWaitBusy(); - CARD_EEPDATA = (address >> 8) & 0xFF; - EepromWaitBusy(); - CARD_EEPDATA = address & 0xFF; - EepromWaitBusy(); - - CARD_CR1 = /*MODE*/0x40; - - // wait erase to finish - CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; - CARD_EEPDATA = 0x05; - EepromWaitBusy(); - - do - { - CARD_EEPDATA = 0; - EepromWaitBusy(); - } while (CARD_EEPDATA & 0x01); // WIP (Write In Progress) ? - CARD_CR1 = /*MODE*/0x40; -} - - +/*--------------------------------------------------------------------------------- + $Id$ + + Copyright (C) 2005 + Michael Noland (joat) + Jason Rogers (dovoto) + Dave Murphy (WinterMute) + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any + damages arising from the use of this software. + + Permission is granted to anyone to use this software for any + purpose, including commercial applications, and to alter it and + redistribute it freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you + must not claim that you wrote the original software. If you use + this software in a product, an acknowledgment in the product + documentation would be appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and + must not be misrepresented as being the original software. + 3. This notice may not be removed or altered from any source + distribution. + + +---------------------------------------------------------------------------------*/ +#include "nds/card.h" +#include "nds/dma.h" +#include "nds/memory.h" + + +//--------------------------------------------------------------------------------- +void cardWriteCommand(const uint8 * command) { +//--------------------------------------------------------------------------------- + int index; + + CARD_CR1H = CARD_CR1_ENABLE | CARD_CR1_IRQ; + + for (index = 0; index < 8; index++) { + CARD_COMMAND[7-index] = command[index]; + } +} + + +//--------------------------------------------------------------------------------- +void cardPolledTransfer(uint32 flags, uint32 * destination, uint32 length, const uint8 * command) { +//--------------------------------------------------------------------------------- + u32 data;; + cardWriteCommand(command); + CARD_CR2 = flags; + uint32 * target = destination + length; + do { + // Read data if available + if (CARD_CR2 & CARD_DATA_READY) { + data=CARD_DATA_RD; + if (destination < target) + *destination = data; + destination++; + } + } while (CARD_CR2 & CARD_BUSY); +} + + +//--------------------------------------------------------------------------------- +void cardStartTransfer(const uint8 * command, uint32 * destination, int channel, uint32 flags) { +//--------------------------------------------------------------------------------- + cardWriteCommand(command); + + // Set up a DMA channel to transfer a word every time the card makes one + DMA_SRC(channel) = (uint32)&CARD_DATA_RD; + DMA_DEST(channel) = (uint32)destination; + DMA_CR(channel) = DMA_ENABLE | DMA_START_CARD | DMA_32_BIT | DMA_REPEAT | DMA_SRC_FIX | 0x0001;; + + CARD_CR2 = flags; +} + + +//--------------------------------------------------------------------------------- +uint32 cardWriteAndRead(const uint8 * command, uint32 flags) { +//--------------------------------------------------------------------------------- + cardWriteCommand(command); + CARD_CR2 = flags | CARD_ACTIVATE | CARD_nRESET | 0x07000000; + while (!(CARD_CR2 & CARD_DATA_READY)) ; + return CARD_DATA_RD; +} + + +//--------------------------------------------------------------------------------- +void cardRead00(uint32 address, uint32 * destination, uint32 length, uint32 flags) { +//---------------------------------------------------------------------------------f + uint8 command[8]; + command[7] = 0; + command[6] = (address >> 24) & 0xff; + command[5] = (address >> 16) & 0xff; + command[4] = (address >> 8) & 0xff; + command[3] = address & 0xff; + command[2] = 0; + command[1] = 0; + command[0] = 0; + cardPolledTransfer(flags, destination, length, command); +} + + +//--------------------------------------------------------------------------------- +void cardReadHeader(uint8 * header) { +//--------------------------------------------------------------------------------- + cardRead00(0, (uint32 *)header, 512, 0xA93F1FFF); +} + + +//--------------------------------------------------------------------------------- +int cardReadID(uint32 flags) { +//--------------------------------------------------------------------------------- + uint8 command[8] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90}; + return cardWriteAndRead(command, flags); +} + + +//--------------------------------------------------------------------------------- +static inline void EepromWaitBusy() { +//--------------------------------------------------------------------------------- + while (CARD_CR1 & /*BUSY*/0x80); +} + +//--------------------------------------------------------------------------------- +uint8 cardEepromReadID(uint8 i) { +//--------------------------------------------------------------------------------- + return cardEepromCommand(/*READID*/0xAB, i&1); +} + +//--------------------------------------------------------------------------------- +uint8 cardEepromCommand(uint8 command, uint32 address) { +//--------------------------------------------------------------------------------- + uint8 retval; + int k; + CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; + + CARD_CR1 = 0xFFFF; + CARD_EEPDATA = command; + + EepromWaitBusy(); + + CARD_EEPDATA = (address >> 16) & 0xFF; + EepromWaitBusy(); + + CARD_EEPDATA = (address >> 8) & 0xFF; + EepromWaitBusy(); + + CARD_EEPDATA = (address) & 0xFF; + EepromWaitBusy(); + + for(k=0;k<256;k++) + { + retval = CARD_EEPDATA; + if(retval!=0xFF) + break; + EepromWaitBusy(); + } + + CARD_CR1 = /*MODE*/0x40; + return retval; +} + +//--------------------------------------------------------------------------------- +int cardEepromGetType(void) +//--------------------------------------------------------------------------------- +{ + uint8 c00; + uint8 c05; + uint8 c9f; + uint8 c03; + +#ifdef ARM9 + sysSetBusOwners(BUS_OWNER_ARM9, BUS_OWNER_ARM9); +#endif + + c03=cardEepromCommand(0x03,0); + c05=cardEepromCommand(0x05,0); + c9f=cardEepromCommand(0x9f,0); + c00=cardEepromCommand(0x00,0); + + if((c00==0x00) && (c9f==0x00)) return 0; // PassMe? + if((c00==0xff) && (c05==0xff) && (c9f==0xff))return -1; + + if((c00==0xff) && (c05 & 0xFD) == 0xF0 && (c9f==0xff))return 1; + if((c00==0xff) && (c05 & 0xFD) == 0x00 && (c9f==0xff))return 2; + if((c00==0xff) && (c05 & 0xFD) == 0x00 && (c9f==0x00))return 3; + if((c00==0xff) && (c05 & 0xFD) == 0x00 && (c9f==0x12))return 3; // NEW TYPE 3 + if((c00==0xff) && (c05 & 0xFD) == 0x00 && (c9f==0x13))return 3; // NEW TYPE 3+ 4Mbit + if((c00==0xff) && (c05 & 0xFD) == 0x00 && (c9f==0x14))return 3; // NEW TYPE 3++ 8Mbit MK4-FLASH Memory + + return 0; +} + +//--------------------------------------------------------------------------------- +uint32 cardEepromGetSize() { +//--------------------------------------------------------------------------------- + + int type = cardEepromGetType(); + + if(type == -1) + return 0; + if(type == 0) + return 8192; + if(type == 1) + return 512; + if(type == 2) { + static const uint32 offset0 = (8*1024-1); // 8KB + static const uint32 offset1 = (2*8*1024-1); // 16KB + u8 buf1; // +0k data read -> write + u8 buf2; // +8k data read -> read + u8 buf3; // +0k ~data write + u8 buf4; // +8k data new comp buf2 + cardReadEeprom(offset0,&buf1,1,type); + cardReadEeprom(offset1,&buf2,1,type); + buf3=~buf1; + cardWriteEeprom(offset0,&buf3,1,type); + cardReadEeprom (offset1,&buf4,1,type); + cardWriteEeprom(offset0,&buf1,1,type); + if(buf4!=buf2) // +8k + return 8*1024; // 8KB(64kbit) + else + return 64*1024; // 64KB(512kbit) + } + if(type == 3) { + uint8 c9f; + c9f=cardEepromCommand(0x9f,0); + + if(c9f==0x14) + return 1024*1024; // NEW TYPE 3++ 8Mbit(1024KByte) + + if(c9f==0x13) + return 512*1024; // NEW TYPE 3+ 4Mbit(512KByte) + + return 256*1024; // TYPE 3 2Mbit(256KByte) + } + + return 0; +} + + +//--------------------------------------------------------------------------------- +void cardReadEeprom(uint32 address, uint8 *data, uint32 length, uint32 addrtype) { +//--------------------------------------------------------------------------------- + + CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; + CARD_EEPDATA = 0x03 | ((addrtype == 1) ? address>>8<<3 : 0); + EepromWaitBusy(); + + if (addrtype == 3) { + CARD_EEPDATA = (address >> 16) & 0xFF; + EepromWaitBusy(); + } + + if (addrtype >= 2) { + CARD_EEPDATA = (address >> 8) & 0xFF; + EepromWaitBusy(); + } + + + CARD_EEPDATA = (address) & 0xFF; + EepromWaitBusy(); + + while (length > 0) { + CARD_EEPDATA = 0; + EepromWaitBusy(); + *data++ = CARD_EEPDATA; + length--; + } + + EepromWaitBusy(); + CARD_CR1 = /*MODE*/0x40; +} + + +//--------------------------------------------------------------------------------- +void cardWriteEeprom(uint32 address, uint8 *data, uint32 length, uint32 addrtype) { +//--------------------------------------------------------------------------------- + + uint32 address_end = address + length; + int i; + int maxblocks = 32; + if(addrtype == 1) maxblocks = 16; + if(addrtype == 2) maxblocks = 32; + if(addrtype == 3) maxblocks = 256; + + while (address < address_end) { + // set WEL (Write Enable Latch) + CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; + CARD_EEPDATA = 0x06; EepromWaitBusy(); + CARD_CR1 = /*MODE*/0x40; + + // program maximum of 32 bytes + CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; + + if(addrtype == 1) { + // WRITE COMMAND 0x02 + A8 << 3 + CARD_EEPDATA = 0x02 | (address & BIT(8)) >> (8-3) ; + EepromWaitBusy(); + CARD_EEPDATA = address & 0xFF; + EepromWaitBusy(); + } + else if(addrtype == 2) { + CARD_EEPDATA = 0x02; + EepromWaitBusy(); + CARD_EEPDATA = address >> 8; + EepromWaitBusy(); + CARD_EEPDATA = address & 0xFF; + EepromWaitBusy(); + } + else if(addrtype == 3) { + CARD_EEPDATA = 0x02; + EepromWaitBusy(); + CARD_EEPDATA = (address >> 16) & 0xFF; + EepromWaitBusy(); + CARD_EEPDATA = (address >> 8) & 0xFF; + EepromWaitBusy(); + CARD_EEPDATA = address & 0xFF; + EepromWaitBusy(); + } + + for (i=0; address> 16) & 0xFF; + EepromWaitBusy(); + CARD_EEPDATA = (address >> 8) & 0xFF; + EepromWaitBusy(); + CARD_EEPDATA = address & 0xFF; + EepromWaitBusy(); + + CARD_CR1 = /*MODE*/0x40; + + // wait erase to finish + CARD_CR1 = /*E*/0x8000 | /*SEL*/0x2000 | /*MODE*/0x40; + CARD_EEPDATA = 0x05; + EepromWaitBusy(); + + do + { + CARD_EEPDATA = 0; + EepromWaitBusy(); + } while (CARD_EEPDATA & 0x01); // WIP (Write In Progress) ? + CARD_CR1 = /*MODE*/0x40; +} + + -- cgit v1.2.3