From 0f517fca2b3cf88ba350da0aa1c30dfbf04b63f2 Mon Sep 17 00:00:00 2001 From: Claudio Takahasi Date: Tue, 10 Jul 2012 16:16:55 -0300 Subject: [PATCH] hog: Add read Report Reference descriptor This patch adds the GATT operation to read the value of the Report Reference descriptor of the Report characteristic. --- profiles/input/hog_device.c | 27 +++++++++++++++++++++++---- 1 file changed, 23 insertions(+), 4 deletions(-) diff --git a/profiles/input/hog_device.c b/profiles/input/hog_device.c index b197098d1..0d9d66401 100644 --- a/profiles/input/hog_device.c +++ b/profiles/input/hog_device.c @@ -119,9 +119,27 @@ static void write_ccc(uint16_t handle, gpointer user_data) report_ccc_written_cb, hogdev); } +static void report_reference_cb(guint8 status, const guint8 *pdu, + guint16 plen, gpointer user_data) +{ + if (status != 0) { + error("Read Report Reference descriptor failed: %s", + att_ecode2str(status)); + return; + } + + if (plen != 3) { + error("Malformed ATT read response"); + return; + } + + DBG("Report ID: 0x%02x Report type: 0x%02x", pdu[1], pdu[2]); +} + static void discover_descriptor_cb(guint8 status, const guint8 *pdu, guint16 len, gpointer user_data) { + struct hog_device *hogdev = user_data; struct att_data_list *list; uint8_t format; int i; @@ -147,10 +165,11 @@ static void discover_descriptor_cb(guint8 status, const guint8 *pdu, handle = att_get_u16(value); uuid16 = att_get_u16(&value[2]); - if (uuid16 != GATT_CLIENT_CHARAC_CFG_UUID) - continue; - - write_ccc(handle, user_data); + if (uuid16 == GATT_CLIENT_CHARAC_CFG_UUID) + write_ccc(handle, user_data); + else if (uuid16 == GATT_REPORT_REFERENCE) + gatt_read_char(hogdev->attrib, handle, 0, + report_reference_cb, hogdev); } done: -- 2.47.3