312 lines
7.9 KiB
C
312 lines
7.9 KiB
C
/* Copyright (c) 2011,2012 Simon Schubert <2@0x2c.org>.
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* Modifications by Jacob Alexander 2014-2015 <haata@kiibohd.com>
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*
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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 as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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// ----- Includes -----
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// Local Includes
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#include "mchck.h"
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#include "dfu.desc.h"
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#include "debug.h"
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// ----- Variables -----
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/**
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* Unfortunately we can't DMA directly to FlexRAM, so we'll have to stage here.
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*/
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static char staging[ USB_DFU_TRANSFER_SIZE ];
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// ----- Functions -----
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int sector_print( void* buf, size_t sector, size_t chunks )
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{
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uint8_t* start = (uint8_t*)buf + sector * USB_DFU_TRANSFER_SIZE;
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uint8_t* end = (uint8_t*)buf + (sector + 1) * USB_DFU_TRANSFER_SIZE;
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uint8_t* pos = start;
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// Verify if sector erased
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FTFL.fccob.read_1s_section.fcmd = FTFL_FCMD_READ_1s_SECTION;
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FTFL.fccob.read_1s_section.addr = (uintptr_t)start;
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FTFL.fccob.read_1s_section.margin = FTFL_MARGIN_NORMAL;
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FTFL.fccob.read_1s_section.num_words = 250; // 2000 kB / 64 bits
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int retval = ftfl_submit_cmd();
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print( NL );
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print("Block ");
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printHex( sector );
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print(" ");
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printHex( (size_t)start );
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print(" -> ");
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printHex( (size_t)end );
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print(" Erased: ");
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printHex( retval );
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print( NL );
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// Display sector
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for ( size_t line = 0; pos < end - 24; line++ )
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{
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// Each Line
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printHex_op( (size_t)pos, 4 );
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print(": ");
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// Each 2 byte chunk
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for ( size_t chunk = 0; chunk < chunks; chunk++ )
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{
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// Print out the two bytes (second one first)
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printHex_op( *(pos + 1), 2 );
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printHex_op( *pos, 2 );
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print(" ");
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pos += 2;
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}
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print( NL );
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}
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return retval;
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}
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static enum dfu_status setup_read( size_t off, size_t *len, void **buf )
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{
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// Calculate starting address from offset
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*buf = (void*)&_app_rom + (USB_DFU_TRANSFER_SIZE / 4) * off;
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// Calculate length of transfer
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/*
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*len = *buf > (void*)(&_app_rom_end) - USB_DFU_TRANSFER_SIZE
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? 0 : USB_DFU_TRANSFER_SIZE;
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*/
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// Check for error
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/*
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if ( *buf > (void*)&_app_rom_end )
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return (DFU_STATUS_errADDRESS);
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*/
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return (DFU_STATUS_OK);
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}
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static enum dfu_status setup_write( size_t off, size_t len, void **buf )
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{
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static int last = 0;
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if ( len > sizeof(staging) )
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return (DFU_STATUS_errADDRESS);
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// We only allow the last write to be less than one sector size.
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if ( off == 0 )
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last = 0;
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if ( last && len != 0 )
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return (DFU_STATUS_errADDRESS);
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if ( len != FLASH_SECTOR_SIZE )
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{
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last = 1;
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memset( staging, 0xff, sizeof(staging) );
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}
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*buf = staging;
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return (DFU_STATUS_OK);
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}
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static enum dfu_status finish_write( void *buf, size_t off, size_t len )
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{
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void *target;
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if ( len == 0 )
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return (DFU_STATUS_OK);
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target = flash_get_staging_area(off + (uintptr_t)&_app_rom, FLASH_SECTOR_SIZE);
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if ( !target )
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return (DFU_STATUS_errADDRESS);
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memcpy( target, buf, len );
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// Depending on the error return a different status
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switch ( flash_program_sector(off + (uintptr_t)&_app_rom, FLASH_SECTOR_SIZE) )
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{
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/*
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case FTFL_FSTAT_RDCOLERR: // Flash Read Collision Error
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case FTFL_FSTAT_ACCERR: // Flash Access Error
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case FTFL_FSTAT_FPVIOL: // Flash Protection Violation Error
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return (DFU_STATUS_errADDRESS);
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case FTFL_FSTAT_MGSTAT0: // Memory Controller Command Completion Error
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return (DFU_STATUS_errADDRESS);
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*/
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case 0:
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default: // No error
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return (DFU_STATUS_OK);
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}
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}
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static struct dfu_ctx dfu_ctx;
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void init_usb_bootloader( int config )
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{
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dfu_init( setup_read, setup_write, finish_write, &dfu_ctx );
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}
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void main()
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{
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#if defined(_mk20dx128vlf5_) // Kiibohd-dfu / Infinity
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// XXX McHCK uses B16 instead of A19
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// Enabling LED to indicate we are in the bootloader
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GPIOA_PDDR |= (1<<19);
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// Setup pin - A19 - See Lib/pin_map.mchck for more details on pins
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PORTA_PCR19 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
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GPIOA_PSOR |= (1<<19);
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#elif defined(_mk20dx256vlh7_) // Kiibohd-dfu
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// Enabling LED to indicate we are in the bootloader
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GPIOA_PDDR |= (1<<5);
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// Setup pin - A5 - See Lib/pin_map.mchck for more details on pins
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PORTA_PCR5 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
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GPIOA_PSOR |= (1<<5);
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#else
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#error "Incompatible chip for bootloader"
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#endif
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uart_serial_setup();
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printNL( NL "Bootloader DFU-Mode" );
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// XXX REMOVEME
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/*
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GPIOB_PDDR |= (1<<16);
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PORTB_PCR16 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
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GPIOB_PSOR |= (1<<16);
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// RST
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GPIOC_PDDR |= (1<<8);
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PORTC_PCR8 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
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GPIOC_PSOR |= (1<<8);
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// CS1B
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GPIOC_PDDR |= (1<<4);
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PORTC_PCR4 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
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GPIOC_PCOR |= (1<<4);
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*/
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// Backlight
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/*
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GPIOC_PDDR |= (1<<1);
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PORTC_PCR1 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
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GPIOC_PCOR |= (1<<1);
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GPIOC_PDDR |= (1<<2);
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PORTC_PCR2 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
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GPIOC_PCOR |= (1<<2);
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GPIOC_PDDR |= (1<<3);
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PORTC_PCR3 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
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GPIOC_PCOR |= (1<<3);
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*/
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/*
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// Read Firmware 1 Status
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FTFL.fccob.read_1s_block.fcmd = FTFL_FCMD_READ_1s_BLOCK;
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FTFL.fccob.read_1s_block.addr = (uintptr_t)&_app_rom;
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FTFL.fccob.read_1s_block.margin = FTFL_MARGIN_NORMAL;
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int retval = ftfl_submit_cmd();
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print("Firmware Erase Status: ");
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printHex( retval );
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print( NL );
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// Read Bootloader 1 Status
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FTFL.fccob.read_1s_block.fcmd = FTFL_FCMD_READ_1s_BLOCK;
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FTFL.fccob.read_1s_block.addr = (uintptr_t)&_bootloader;
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FTFL.fccob.read_1s_block.margin = FTFL_MARGIN_NORMAL;
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retval = ftfl_submit_cmd();
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print("Bootloader Erase Status: ");
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printHex( retval );
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print( NL );
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*/
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/*
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// Program First Longword of firmware
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FTFL.fccob.program_longword.fcmd = FTFL_FCMD_PROGRAM_LONGWORD;
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FTFL.fccob.program_longword.addr = (uintptr_t)&_app_rom;
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FTFL.fccob.program_longword.data_be[0] = 0x1;
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FTFL.fccob.program_longword.data_be[1] = 0x2;
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FTFL.fccob.program_longword.data_be[2] = 0x4;
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FTFL.fccob.program_longword.data_be[3] = 0x8;
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int retval = ftfl_submit_cmd();
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print("Write Longword Status: ");
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printHex( retval );
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print( NL );
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*/
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/*
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// Erase Sector
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FTFL.fccob.erase.fcmd = FTFL_FCMD_ERASE_SECTOR;
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FTFL.fccob.erase.addr = (uintptr_t)&_app_rom;
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int retval = ftfl_submit_cmd();
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print("Erase Status: ");
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printHex( retval );
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print( NL );
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// Prepare FlexRAM
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FTFL.fccob.set_flexram.fcmd = FTFL_FCMD_SET_FLEXRAM;
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FTFL.fccob.set_flexram.flexram_function = FTFL_FLEXRAM_RAM;
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retval = ftfl_submit_cmd();
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print("Set FlexRAM Status: ");
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printHex( retval );
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print( NL );
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// Write to FlexRAM
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memset( FlexRAM, 0xB4, 1000 );
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memset( &FlexRAM[1000], 0xE3, 1000 );
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// Program Sector
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FTFL.fccob.program_section.fcmd = FTFL_FCMD_PROGRAM_SECTION;
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FTFL.fccob.program_section.addr = (uintptr_t)&_app_rom;
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FTFL.fccob.program_section.num_words = 128;
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//FTFL.fccob.program_section.num_words = 250; // 2000 kb / 64 bits
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retval = ftfl_submit_cmd();
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print("Program Sector1 Status: ");
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printHex( retval );
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print( NL );
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FTFL.fccob.program_section.fcmd = FTFL_FCMD_PROGRAM_SECTION;
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FTFL.fccob.program_section.addr = (uintptr_t)&_app_rom + 0x400;
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FTFL.fccob.program_section.num_words = 128;
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//FTFL.fccob.program_section.num_words = 250; // 2000 kb / 64 bits
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retval = ftfl_submit_cmd();
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print("Program Sector2 Status: ");
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printHex( retval );
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print( NL );
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for ( uint8_t sector = 0; sector < 1; sector++ )
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//sector_print( &_bootloader, sector, 16 );
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sector_print( &_app_rom, sector, 16 );
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print( NL );
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*/
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flash_prepare_flashing();
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//uint32_t *position = &_app_rom;
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usb_init( &dfu_device );
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for (;;)
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{
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usb_poll();
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}
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}
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