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[Qemu-devel] [PATCH 17/17] wctablet: implement ST and SP commands
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PATCH 17/17] wctablet: implement ST and SP commands |
Date: |
Fri, 6 Jan 2017 09:55:45 +0100 |
ST == start sending events
Sp == stop sending events
Signed-off-by: Gerd Hoffmann <address@hidden>
---
backends/trace-events | 2 ++
backends/wctablet.c | 20 +++++++++++++++++++-
2 files changed, 21 insertions(+), 1 deletion(-)
diff --git a/backends/trace-events b/backends/trace-events
index f8a2e2b..8c3289a 100644
--- a/backends/trace-events
+++ b/backends/trace-events
@@ -3,6 +3,8 @@
# backends/wctablet.c
wct_init(void) ""
wct_cmd_re(void) ""
+wct_cmd_st(void) ""
+wct_cmd_sp(void) ""
wct_cmd_ts(int input) "0x%02x"
wct_cmd_other(const char *cmd) "%s"
wct_speed(int speed) "%d"
diff --git a/backends/wctablet.c b/backends/wctablet.c
index 97f1996..f9f4c80 100644
--- a/backends/wctablet.c
+++ b/backends/wctablet.c
@@ -81,6 +81,7 @@ typedef struct {
int outlen;
int line_speed;
+ bool send_events;
int axis[INPUT_AXIS__MAX];
bool btns[INPUT_BUTTON__MAX];
@@ -111,6 +112,8 @@ static void wctablet_reset(TabletState *tablet)
/* clear buffers */
tablet->query_index = 0;
tablet->outlen = 0;
+ /* reset state */
+ tablet->send_events = false;
}
static void wctablet_queue_event(TabletState *tablet)
@@ -167,7 +170,9 @@ static void wctablet_input_sync(DeviceState *dev)
{
TabletState *tablet = (TabletState *)dev;
- wctablet_queue_event(tablet);
+ if (tablet->send_events) {
+ wctablet_queue_event(tablet);
+ }
}
static QemuInputHandler wctablet_handler = {
@@ -248,6 +253,19 @@ static int wctablet_chr_write(struct CharDriverState *s,
wctablet_queue_output(tablet, WC_CONFIG_STRING,
WC_CONFIG_STRING_LENGTH);
+ } else if (strncmp((char *)tablet->query, "ST", 2) == 0 &&
+ clen == 2) {
+ trace_wct_cmd_st();
+ wctablet_shift_input(tablet, 3);
+ tablet->send_events = true;
+ wctablet_queue_event(tablet);
+
+ } else if (strncmp((char *)tablet->query, "SP", 2) == 0 &&
+ clen == 2) {
+ trace_wct_cmd_sp();
+ wctablet_shift_input(tablet, 3);
+ tablet->send_events = false;
+
} else if (strncmp((char *)tablet->query, "TS", 2) == 0 &&
clen == 3) {
unsigned int input = tablet->query[2];
--
1.8.3.1
- Re: [Qemu-devel] [PATCH 01/17] Add wctablet device, (continued)
- [Qemu-devel] [PATCH 07/17] wctablet: operate on line speed 9600, Gerd Hoffmann, 2017/01/06
- [Qemu-devel] [PATCH 09/17] wctablet: add wctablet_shift_input, Gerd Hoffmann, 2017/01/06
- [Qemu-devel] [PATCH 15/17] wctablet: switch to new input interface, Gerd Hoffmann, 2017/01/06
- [Qemu-devel] [PATCH 06/17] wctablet: track line speed, reset on speed changes, Gerd Hoffmann, 2017/01/06
- [Qemu-devel] [PATCH 10/17] wctablet: move init/detect sequence, Gerd Hoffmann, 2017/01/06
- [Qemu-devel] [PATCH 16/17] wctablet: update file comment, Gerd Hoffmann, 2017/01/06
- [Qemu-devel] [PATCH 13/17] wctablet: drop DPRINTF, add trace events instead, Gerd Hoffmann, 2017/01/06
- [Qemu-devel] [PATCH 17/17] wctablet: implement ST and SP commands,
Gerd Hoffmann <=
- [Qemu-devel] [PATCH 04/17] wctablet: drop wctablet_commands_names, Gerd Hoffmann, 2017/01/06
- [Qemu-devel] [PATCH 12/17] wctablet: drop timer, hook into chr->accept_input instead, Gerd Hoffmann, 2017/01/06
- [Qemu-devel] [PATCH 11/17] wctablet: revamp command parser., Gerd Hoffmann, 2017/01/06
- Re: [Qemu-devel] [PATCH 00/17] add serial wacom tablet emulation (gsoc 2016), no-reply, 2017/01/06