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track down scratchpad bug and hacked a fix into sram_bulk_copy_from_buffer

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This commit is contained in:
optixx
2009-09-19 18:07:32 +02:00
committed by Jannis (jix) Harder
parent c6b9c57e6d
commit 9c4c880b0b
7 changed files with 82 additions and 36 deletions
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13
avr/usbload/sram.c
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@@ -114,7 +114,7 @@ void sreg_set(uint32_t addr)
}
inline void sram_bulk_addr_save()
void sram_bulk_addr_save()
{
addr_stash = addr_current;
debug_P(DEBUG_SRAM, PSTR("sram_bulk_addr_save: addr=0x%08lx\n\r"), addr_stash);
@@ -243,7 +243,7 @@ inline void sram_bulk_write_next(void)
inline void sram_bulk_write( uint8_t data)
{
AVR_DATA_PORT = data;
}
}
void sram_bulk_write_end(void)
{
@@ -294,8 +294,11 @@ void sram_bulk_copy_from_buffer(uint32_t addr, uint8_t * src, uint32_t len)
addr, src, len);
sram_bulk_write_start(addr);
for (i = addr; i < (addr + len); i++){
sram_bulk_write(*ptr++);
sram_bulk_write_next();
sram_bulk_write(*ptr);
//hack
if ((i+1) < (addr + len))
sram_bulk_write_next();
ptr++;
}
sram_bulk_write_end();
}
@@ -309,7 +312,7 @@ void sram_bulk_copy_into_buffer(uint32_t addr, uint8_t * dst, uint32_t len)
addr, dst, len);
sram_bulk_read_start(addr);
for (i = addr; i < (addr + len); i++) {
*ptr = sram_bulk_read();
dst[i] = sram_bulk_read();
sram_bulk_read_next();
ptr++;
}