Report data coming to HAL is in ascii format, HAL sends
data in hex to daemon, so convert to binary.
---
android/hidhost.c | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
diff --git a/android/hidhost.c b/android/hidhost.c
index c7b4114..9b4bb15 100644
--- a/android/hidhost.c
+++ b/android/hidhost.c
@@ -98,6 +98,14 @@ struct hid_device {
uint8_t last_hid_msg;
};
+static void hex2bin(const uint8_t *ascii, int ascii_len, uint8_t *hex)
+{
+ int i;
+
+ for (i = 0; i < ascii_len / 2; i++)
+ sscanf((char *) &ascii[i * 2], "%hhx", &hex[i]);
+}
+
static int device_cmp(gconstpointer s, gconstpointer user_data)
{
const struct hid_device *dev = s;
@@ -900,18 +908,20 @@ static uint8_t bt_hid_set_report(struct hal_cmd_hidhost_set_report *cmd,
return HAL_STATUS_FAILED;
dev = l->data;
- req_size = 1 + cmd->len;
+ /* Report data coming to HAL is in ascii format, HAL sends
+ * data in hex to daemon, so convert to binary. */
+ req_size = 1 + (cmd->len / 2);
req = g_try_malloc0(req_size);
if (!req)
return HAL_STATUS_NOMEM;
req[0] = HID_MSG_SET_REPORT | cmd->type;
- memcpy(req + 1, cmd->data, req_size - 1);
+ hex2bin(cmd->data, cmd->len, (req + 1));
fd = g_io_channel_unix_get_fd(dev->ctrl_io);
if (write(fd, req, req_size) < 0) {
- error("error while querying device protocol");
+ error("error while sending report");
g_free(req);
return HAL_STATUS_FAILED;
}
--
1.8.3.2
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