79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
/*
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* =====================================================================================
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*
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* ________ .__ __ ________ ____ ________
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* \_____ \ __ __|__| ____ | | __\______ \ _______ _/_ |/ _____/
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* / / \ \| | \ |/ ___\| |/ / | | \_/ __ \ \/ /| / __ \
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* / \_/. \ | / \ \___| < | ` \ ___/\ / | \ |__\ \
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* \_____\ \_/____/|__|\___ >__|_ \/_______ /\___ >\_/ |___|\_____ /
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* \__> \/ \/ \/ \/ \/
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*
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* www.optixx.org
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*
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*
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* Version: 1.0
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* Created: 07/21/2009 03:32:16 PM
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* Author: david@optixx.org
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*
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* =====================================================================================
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*/
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#ifndef __SHARED_MEMORY_H__
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#define __SHARED_MEMORY_H__
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#define SHARED_MEM_SWITCH_IRQ 0
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#define SHARED_MEM_SWITCH_DELAY 20
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#define SHARED_MEM_TX_SNES_ACK 0xa5
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#define SHARED_MEM_TX_SNES_RTS 0x5a
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#define SHARED_MEM_TX_CMD_BANK_COUNT 0x00
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#define SHARED_MEM_TX_CMD_BANK_CURRENT 0x01
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#define SHARED_MEM_TX_CMD_UPLOAD_START 0x03
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#define SHARED_MEM_TX_CMD_UPLOAD_END 0x04
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#define SHARED_MEM_TX_CMD_UPLOAD_PROGESS 0x05
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#define SHARED_MEM_TX_CMD_TERMINATE 0x06
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#define SHARED_MEM_TX_LOC_STATE 0x000000
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#define SHARED_MEM_TX_LOC_SIZE 0x000040
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#define SHARED_MEM_TX_LOC_CMD 0x000001
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#define SHARED_MEM_TX_LOC_PAYLOAD 0x000002
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#define SHARED_MEM_RX_AVR_ACK 0xa5
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#define SHARED_MEM_RX_AVR_RTS 0x5a
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#define SHARED_MEM_RX_CMD_PRINFT 0x00
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#define SHARED_MEM_RX_CMD_FILESEL 0x01
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#define SHARED_MEM_RX_LOC_STATE 0x001000
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#define SHARED_MEM_RX_LOC_SIZE 0x000040
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#define SHARED_MEM_RX_LOC_CMD 0x001001
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#define SHARED_MEM_RX_LOC_LEN 0x001002
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#define SHARED_MEM_RX_LOC_PAYLOAD 0x001003
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#define SHARED_IRQ_LOC_LO 0x00fffe
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#define SHARED_IRQ_LOC_HI 0x00ffff
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/*
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* Use COP IRQ LOC for hooked IRQ handler
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*/
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#define SHARED_IRQ_HANDLER_LO 0x0ffe4
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#define SHARED_IRQ_HANDLER_HI 0x0ffe5
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#define SHARED_SCRATCHPAD_DUMP 0
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#define SHARED_SCRATCHPAD_CRC 0
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void shared_memory_init(void);
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uint8_t shared_memory_scratchpad_region_save_helper(uint32_t addr);
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void shared_memory_scratchpad_region_tx_save();
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void shared_memory_scratchpad_region_tx_restore();
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void shared_memory_scratchpad_region_rx_save();
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void shared_memory_scratchpad_region_rx_restore();
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void shared_memory_write(uint8_t cmd, uint8_t value);
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int shared_memory_read(uint8_t * cmd, uint8_t * len, uint8_t * buffer);
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#endif
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