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@ -60,6 +60,7 @@ static inline void place_bit1(void); |
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static inline void send_byte(uint8_t data); |
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static inline uint16_t wait_data_lo(uint16_t us); |
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static inline uint16_t wait_data_hi(uint16_t us); |
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static inline uint16_t adb_host_dev_recv(uint8_t device); |
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void adb_host_init(void) |
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@ -121,12 +122,33 @@ bool adb_host_psw(void) |
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//
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// [from Apple IIgs Hardware Reference Second Edition]
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enum { |
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ADDR_KEYB = 0x20, |
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ADDR_MOUSE = 0x30 |
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}; |
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uint16_t adb_host_kbd_recv(void) |
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{ |
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return adb_host_dev_recv(ADDR_KEYB); |
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} |
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#ifdef ADB_MOUSE_ENABLE |
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void adb_mouse_init(void) { |
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return; |
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} |
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uint16_t adb_host_mouse_recv(void) |
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{ |
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return adb_host_dev_recv(ADDR_MOUSE); |
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} |
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#endif |
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static inline uint16_t adb_host_dev_recv(uint8_t device) |
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{ |
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uint16_t data = 0; |
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cli(); |
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attention(); |
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send_byte(0x2C); // Addr:Keyboard(0010), Cmd:Talk(11), Register0(00)
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send_byte(device|0x0C); // Addr:Keyboard(0010)/Mouse(0011), Cmd:Talk(11), Register0(00)
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place_bit0(); // Stopbit(0)
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if (!wait_data_hi(500)) { // Service Request(310us Adjustable Keyboard): just ignored
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sei(); |
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