/**
* Unfortunately we can't DMA directly to FlexRAM, so we'll have to stage here.
*/
-static char staging[FLASH_SECTOR_SIZE];
+static char staging[ FLASH_SECTOR_SIZE ];
// ----- Functions -----
-static enum dfu_status setup_write(size_t off, size_t len, void **buf)
+static enum dfu_status setup_write( size_t off, size_t len, void **buf )
{
+ GPIOA_PCOR |= (1<<5);
static int last = 0;
- if (len > sizeof(staging))
+ if ( len > sizeof(staging) )
return (DFU_STATUS_errADDRESS);
// We only allow the last write to be less than one sector size.
- if (off == 0)
+ if ( off == 0 )
last = 0;
- if (last && len != 0)
+ if ( last && len != 0 )
return (DFU_STATUS_errADDRESS);
- if (len != FLASH_SECTOR_SIZE) {
+ if ( len != FLASH_SECTOR_SIZE )
+ {
last = 1;
- memset(staging, 0xff, sizeof(staging));
+ memset( staging, 0xff, sizeof(staging) );
}
*buf = staging;
static enum dfu_status finish_write( void *buf, size_t off, size_t len )
{
void *target;
- if (len == 0)
+ if ( len == 0 )
return (DFU_STATUS_OK);
target = flash_get_staging_area(off + (uintptr_t)&_app_rom, FLASH_SECTOR_SIZE);
- if (!target)
+ if ( !target )
return (DFU_STATUS_errADDRESS);
- memcpy(target, buf, len);
- if (flash_program_sector(off + (uintptr_t)&_app_rom, FLASH_SECTOR_SIZE) != 0)
+ memcpy( target, buf, len );
+
+ // Depending on the error return a different status
+ switch ( flash_program_sector(off + (uintptr_t)&_app_rom, FLASH_SECTOR_SIZE) )
+ {
+ /*
+ case FTFL_FSTAT_RDCOLERR: // Flash Read Collision Error
+ case FTFL_FSTAT_ACCERR: // Flash Access Error
+ case FTFL_FSTAT_FPVIOL: // Flash Protection Violation Error
return (DFU_STATUS_errADDRESS);
- return (DFU_STATUS_OK);
+ case FTFL_FSTAT_MGSTAT0: // Memory Controller Command Completion Error
+ return (DFU_STATUS_errADDRESS);
+ */
+
+ case 0:
+ default: // No error
+ return (DFU_STATUS_OK);
+ }
}
// Enabling LED to indicate we are in the bootloader
GPIOA_PDDR |= (1<<5);
// Setup pin - A5 - See Lib/pin_map.mchck for more details on pins
- PORTA_PCR19 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+ PORTA_PCR5 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
GPIOA_PSOR |= (1<<5);
-
+#else
+#error "Incompatible chip for bootloader"
#endif
+ //for (uint8_t c = 0; c < 20; c++)
+ /*
+ while( 1 )
+ {
+ GPIOA_PTOR |= (1<<5);
+ for (uint32_t d = 0; d < 7200000; d++ );
+ }
+ */
+
+ // XXX REMOVEME
+ /*
+ GPIOB_PDDR |= (1<<16);
+ PORTB_PCR16 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+ GPIOB_PSOR |= (1<<16);
+ */
+ // RST
+ GPIOC_PDDR |= (1<<8);
+ PORTC_PCR8 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+ GPIOC_PSOR |= (1<<8);
+ /*
+ // CS1B
+ GPIOC_PDDR |= (1<<4);
+ PORTC_PCR4 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+ GPIOC_PCOR |= (1<<4);
+ */
+ // Backlight
+ GPIOC_PDDR |= (1<<1);
+ PORTC_PCR1 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+ GPIOC_PCOR |= (1<<1);
+ GPIOC_PDDR |= (1<<2);
+ PORTC_PCR2 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+ GPIOC_PCOR |= (1<<2);
+ GPIOC_PDDR |= (1<<3);
+ PORTC_PCR3 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+ GPIOC_PCOR |= (1<<3);
+
+
+
flash_prepare_flashing();
+ uint32_t *position = &_app_rom;
usb_init( &dfu_device );
for (;;)
{
usb_poll();
+
+ /*
+ for ( ; position < &_app_rom + 0x201; position++ )
+ //for ( ; position < &_app_rom + 0x800; position++ )
+ {
+ if ( *position != 0xFFFFFFFF )
+ {
+ while( 1 )
+ {
+ GPIOA_PTOR |= (1<<5);
+ for (uint32_t d = 0; d < 7200000; d++ );
+ }
+ }
+ }
+ */
+
}
}