Rev 1343 | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 1343 | Rev 1344 | ||
|---|---|---|---|
| Line 51... | Line 51... | ||
| 51 | int c; |
51 | int c; |
| 52 | ipcarg_t phonead; |
52 | ipcarg_t phonead; |
| 53 | 53 | ||
| 54 | ipcarg_t retval, arg1, arg2; |
54 | ipcarg_t retval, arg1, arg2; |
| 55 | 55 | ||
| - | 56 | /* Counter of unsatisfied calls */ |
|
| 56 | fifo_count_t callers_counter = 0; |
57 | fifo_count_t callers_counter = 0; |
| 57 | - | ||
| - | 58 | /* Fifo with callid's of unsatisfied calls requred for answer */ |
|
| 58 | FIFO_INITIALIZE_STATIC(callers_buffer, ipc_callid_t, KBD_REQUEST_MAX); |
59 | FIFO_INITIALIZE_STATIC(callers_buffer, ipc_callid_t, KBD_REQUEST_MAX); |
| 59 | 60 | ||
| 60 | printf("Uspace kbd service started.\n"); |
61 | printf("Uspace kbd service started.\n"); |
| 61 | 62 | ||
| 62 | /* Initialize arch dependent parts */ |
63 | /* Initialize arch dependent parts */ |
| Line 80... | Line 81... | ||
| 80 | callid = ipc_wait_for_call(&call, 0); |
81 | callid = ipc_wait_for_call(&call, 0); |
| 81 | // printf("%s:Call phone=%lX..", NAME, call.in_phone_hash); |
82 | // printf("%s:Call phone=%lX..", NAME, call.in_phone_hash); |
| 82 | switch (IPC_GET_METHOD(call)) { |
83 | switch (IPC_GET_METHOD(call)) { |
| 83 | case IPC_M_PHONE_HUNGUP: |
84 | case IPC_M_PHONE_HUNGUP: |
| 84 | if (connected) { |
85 | if (connected) { |
| - | 86 | /* If nobody's connected, clear keybuffer and dont store new keys */ |
|
| 85 | if (--connected == 0) { |
87 | if (--connected == 0) { |
| 86 | callers_counter = 0; |
88 | callers_counter = 0; |
| 87 | callers_buffer.head = callers_buffer.tail = 0; |
89 | callers_buffer.head = callers_buffer.tail = 0; |
| 88 | key_buffer_free(); |
90 | key_buffer_free(); |
| 89 | } |
91 | } |
| 90 | } |
- | |
| 91 | 92 | ||
| 92 | printf("%s: Phone hung up.\n", NAME); |
93 | printf("%s: Phone hung up.\n", NAME); |
| - | 94 | } else { |
|
| - | 95 | printf("%s: Oops, got phone hung up, but nobody connected.\n", NAME); |
|
| - | 96 | } |
|
| - | 97 | ||
| 93 | retval = 0; |
98 | retval = 0; |
| 94 | break; |
99 | break; |
| 95 | case IPC_M_CONNECT_TO_ME: |
100 | case IPC_M_CONNECT_TO_ME: |
| 96 | printf("%s: Somebody connecting phid=%zd.\n", NAME, IPC_GET_ARG3(call)); |
101 | printf("%s: Somebody connecting phid=%zd.\n", NAME, IPC_GET_ARG3(call)); |
| 97 | retval = 0; |
102 | retval = 0; |
| 98 | break; |
103 | break; |
| 99 | case IPC_M_CONNECT_ME_TO: |
104 | case IPC_M_CONNECT_ME_TO: |
| 100 | // printf("%s: Connect me (%P) to: %zd\n",NAME, IPC_GET_ARG3(call), IPC_GET_ARG1(call)); |
105 | // printf("%s: Connect me (%P) to: %zd\n",NAME, IPC_GET_ARG3(call), IPC_GET_ARG1(call)); |
| - | 106 | /* Only one connected client allowed */ |
|
| 101 | if (connected) { |
107 | if (connected) { |
| 102 | retval = ELIMIT; |
108 | retval = ELIMIT; |
| 103 | } else { |
109 | } else { |
| 104 | retval = 0; |
110 | retval = 0; |
| 105 | connected = 1; |
111 | connected = 1; |
| 106 | } |
112 | } |
| 107 | break; |
113 | break; |
| 108 | case IPC_M_INTERRUPT: |
114 | case IPC_M_INTERRUPT: |
| 109 | if (connected) { |
115 | if (connected) { |
| - | 116 | /* recode scancode and store it into key buffer */ |
|
| 110 | kbd_arch_process(IPC_GET_ARG2(call)); |
117 | kbd_arch_process(IPC_GET_ARG2(call)); |
| 111 | } |
- | |
| 112 | //printf("%s: GOT INTERRUPT: %c\n", NAME, IPC_GET_ARG2(call)); |
118 | //printf("%s: GOT INTERRUPT: %c\n", NAME, IPC_GET_ARG2(call)); |
| - | 119 | ||
| - | 120 | /* Some callers could awaiting keypress - if its true, we have to send keys to them. |
|
| - | 121 | * One interrupt can store more than one key into buffer. */ |
|
| 113 | if (!callers_counter) |
122 | retval = 0; |
| 114 | break; |
123 | arg2 = 0xbeef; |
| 115 | /* Small trick - interrupt does not need answer so we can change callid to caller awaiting key */ |
124 | while ((callers_counter) && (!key_buffer_empty())) { |
| 116 | callers_counter--; |
125 | callers_counter--; |
| - | 126 | if (!key_buffer_pop((char *)&arg1)) { |
|
| - | 127 | printf("%s: KeyBuffer empty but it should not be.\n"); |
|
| - | 128 | break; |
|
| - | 129 | } |
|
| 117 | callid = fifo_pop(callers_buffer); |
130 | ipc_answer_fast(fifo_pop(callers_buffer), retval, arg1, arg2); |
| - | 131 | } |
|
| - | 132 | } |
|
| - | 133 | break; |
|
| 118 | case KBD_GETCHAR: |
134 | case KBD_GETCHAR: |
| 119 | // printf("%s: Getchar: ", NAME); |
135 | // printf("%s: Getchar: ", NAME); |
| 120 | retval = 0; |
136 | retval = 0; |
| 121 | arg1 = 0; |
137 | arg1 = 0; |
| 122 | if (!key_buffer_pop((char *)&arg1)) { |
138 | if (!key_buffer_pop((char *)&arg1)) { |
| Line 135... | Line 151... | ||
| 135 | default: |
151 | default: |
| 136 | printf("%s: Unknown method: %zd\n", NAME, IPC_GET_METHOD(call)); |
152 | printf("%s: Unknown method: %zd\n", NAME, IPC_GET_METHOD(call)); |
| 137 | retval = ENOENT; |
153 | retval = ENOENT; |
| 138 | break; |
154 | break; |
| 139 | } |
155 | } |
| - | 156 | ||
| 140 | if (! (callid & IPC_CALLID_NOTIFICATION)) { |
157 | if (! (callid & IPC_CALLID_NOTIFICATION)) { |
| 141 | // printf("%s: Answering\n", NAME); |
- | |
| 142 | ipc_answer_fast(callid, retval, arg1, arg2); |
158 | ipc_answer_fast(callid, retval, arg1, arg2); |
| 143 | } |
159 | } |
| 144 | } |
160 | } |
| 145 | } |
161 | } |
| - | 162 | ||