Changeset a2afd8f in mainline for uspace/drv/hid/adb-mouse/adb-mouse.h
- Timestamp:
- 2017-11-13T18:07:46Z (6 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- 0dd4779
- Parents:
- 56763a4
- File:
-
- 1 moved
Legend:
- Unmodified
- Added
- Removed
-
uspace/drv/hid/adb-mouse/adb-mouse.h
r56763a4 ra2afd8f 1 1 /* 2 * Copyright (c) 201 1 Martin Decky2 * Copyright (c) 2017 Jiri Svoboda 3 3 * All rights reserved. 4 4 * … … 27 27 */ 28 28 29 /** @addtogroup mouse_proto 30 * @ingroup input 31 * @{ 32 */ 33 /** 34 * @file 35 * @brief ADB protocol driver. 29 /** @file ADB mouse driver 36 30 */ 37 31 32 #ifndef ADB_MOUSE_H 33 #define ADB_MOUSE_H 34 35 #include <async.h> 36 #include <ddf/driver.h> 38 37 #include <stdbool.h> 39 #include "../mouse.h"40 #include "../mouse_port.h"41 #include "../mouse_proto.h"42 38 43 static mouse_dev_t *mouse_dev; 44 static bool b1_pressed; 45 static bool b2_pressed; 39 /** ADB mouse */ 40 typedef struct { 41 ddf_dev_t *dev; 42 async_sess_t *parent_sess; 43 ddf_fun_t *fun; 44 async_sess_t *client_sess; 45 bool b1_pressed; 46 bool b2_pressed; 47 } adb_mouse_t; 46 48 47 static int adb_proto_init(mouse_dev_t *mdev) 48 { 49 mouse_dev = mdev; 50 b1_pressed = false; 51 b2_pressed = false; 52 53 return 0; 54 } 49 extern int adb_mouse_add(adb_mouse_t *); 50 extern int adb_mouse_remove(adb_mouse_t *); 51 extern int adb_mouse_gone(adb_mouse_t *); 55 52 56 /** Process mouse data */ 57 static void adb_proto_parse(sysarg_t data) 58 { 59 bool b1, b2; 60 uint16_t udx, udy; 61 int dx, dy; 62 63 /* Extract fields. */ 64 b1 = ((data >> 15) & 1) == 0; 65 udy = (data >> 8) & 0x7f; 66 b2 = ((data >> 7) & 1) == 0; 67 udx = data & 0x7f; 68 69 /* Decode 7-bit two's complement signed values. */ 70 dx = (udx & 0x40) ? (udx - 0x80) : udx; 71 dy = (udy & 0x40) ? (udy - 0x80) : udy; 72 73 if (b1 != b1_pressed) { 74 mouse_push_event_button(mouse_dev, 1, b1); 75 b1_pressed = b1; 76 } 77 78 if (b2 != b2_pressed) { 79 mouse_push_event_button(mouse_dev, 2, b2); 80 b1_pressed = b1; 81 } 82 83 if (dx != 0 || dy != 0) 84 mouse_push_event_move(mouse_dev, dx, dy, 0); 85 } 53 #endif 86 54 87 mouse_proto_ops_t adb_proto = { 88 .parse = adb_proto_parse, 89 .init = adb_proto_init 90 }; 91 92 /** 93 * @} 55 /** @} 94 56 */
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