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