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add scratchpad region save and restore

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This commit is contained in:
optixx
2009-08-24 20:53:14 +02:00
parent 98ac61c91d
commit ee9b377698
4 changed files with 63 additions and 7 deletions
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7
avr/usbload/shared_memory.h
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@@ -37,6 +37,7 @@
#define SHARED_MEM_TX_CMD_TERMINATE 0x06
#define SHARED_MEM_TX_LOC_STATE 0x000000
#define SHARED_MEM_TX_LOC_SIZE 0x000100
#define SHARED_MEM_TX_LOC_CMD 0x000001
#define SHARED_MEM_TX_LOC_PAYLOAD 0x000002
@@ -47,6 +48,7 @@
#define SHARED_MEM_RX_CMD_FILESEL 0x01
#define SHARED_MEM_RX_LOC_STATE 0x001000
#define SHARED_MEM_RX_LOC_SIZE 0x000400
#define SHARED_MEM_RX_LOC_CMD 0x001001
#define SHARED_MEM_RX_LOC_LEN 0x001002
#define SHARED_MEM_RX_LOC_PAYLOAD 0x001003
@@ -60,6 +62,11 @@
void shared_memory_scratchpad_region_saye_helper(uint32_t addr);
void shared_memory_scratchpad_region_tx_save();
void shared_memory_scratchpad_region_tx_restore();
void shared_memory_scratchpad_region_rx_save();
void shared_memory_scratchpad_region_rx_restore();
void shared_memory_write(uint8_t cmd, uint8_t value);
int shared_memory_read(uint8_t *cmd, uint8_t *len,uint8_t *buffer);