Return-Path: From: Vikrampal Yadav To: linux-bluetooth@vger.kernel.org Cc: luiz.dentz@gmail.com, d.kasatkin@samsung.com, vikram.pal@samsung.com Subject: [PATCH 3/6] monitor: Handle AVRCP specific AV/C PDUs Date: Mon, 11 Aug 2014 19:56:39 +0530 Message-id: <1407767202-7693-3-git-send-email-vikram.pal@samsung.com> In-reply-to: <1407767202-7693-1-git-send-email-vikram.pal@samsung.com> References: <1407767202-7693-1-git-send-email-vikram.pal@samsung.com> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Added handling of AVRCP specific AV/C PDUs. --- monitor/avctp.c | 188 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 188 insertions(+) diff --git a/monitor/avctp.c b/monitor/avctp.c index 2a41a7c..8eca5da 100644 --- a/monitor/avctp.c +++ b/monitor/avctp.c @@ -163,13 +163,201 @@ static const char *opcode2str(uint8_t opcode) } } +static const char *pdu2str(uint8_t pduid) +{ + return "Unknown"; +} + +static const char *pt2str(uint8_t pt) +{ + return "Unknown"; +} + static void avrcp_passthrough_packet(const struct l2cap_frame *frame) { } +static void avrcp_get_capabilities(const struct l2cap_frame *frame, + uint8_t ctype, uint8_t len, + uint8_t indent) +{ +} + +static void avrcp_list_player_attributes(const struct l2cap_frame *frame, + uint8_t ctype, uint8_t len, + uint8_t indent) +{ +} + +static void avrcp_list_player_values(const struct l2cap_frame *frame, + uint8_t ctype, uint8_t len, + uint8_t indent) +{ +} + +static void avrcp_get_current_player_value(const struct l2cap_frame *frame, + uint8_t ctype, uint8_t len, + uint8_t indent) +{ +} + +static void avrcp_set_player_value(const struct l2cap_frame *frame, + uint8_t ctype, uint8_t len, + uint8_t indent) +{ +} + +static void avrcp_get_player_attribute_text(const struct l2cap_frame *frame, + uint8_t ctype, uint8_t len, + uint8_t indent) +{ +} + +static void avrcp_get_player_value_text(const struct l2cap_frame *frame, + uint8_t ctype, uint8_t len, + uint8_t indent) +{ +} + +static void avrcp_displayable_charset(const struct l2cap_frame *frame, + uint8_t ctype, uint8_t len, + uint8_t indent) +{ +} + +static void avrcp_ct_battery_status(const struct l2cap_frame *frame, + uint8_t ctype, uint8_t len, + uint8_t indent) +{ +} + +static void avrcp_get_element_attributes(const struct l2cap_frame *frame, + uint8_t ctype, uint8_t len, + uint8_t indent) +{ +} + +static void avrcp_get_play_status(const struct l2cap_frame *frame, + uint8_t ctype, uint8_t len, + uint8_t indent) +{ +} + +static void avrcp_register_notification(const struct l2cap_frame *frame, + uint8_t ctype, uint8_t len, + uint8_t indent) +{ +} + +static void avrcp_set_absolute_volume(const struct l2cap_frame *frame, + uint8_t ctype, uint8_t len, + uint8_t indent) +{ +} + +static void avrcp_set_addressed_player(const struct l2cap_frame *frame, + uint8_t ctype, uint8_t len, + uint8_t indent) +{ +} + +static void avrcp_play_item(const struct l2cap_frame *frame, + uint8_t ctype, uint8_t len, + uint8_t indent) +{ +} + +static void avrcp_add_to_now_playing(const struct l2cap_frame *frame, + uint8_t ctype, uint8_t len, + uint8_t indent) +{ +} + +struct avrcp_ctrl_pdu_data { + uint8_t pduid; + void (*func) (const struct l2cap_frame *frame, uint8_t ctype, + uint8_t len, uint8_t indent); +}; + +static const struct avrcp_ctrl_pdu_data avrcp_ctrl_pdu_table[] = { + { 0x10, avrcp_get_capabilities }, + { 0x11, avrcp_list_player_attributes }, + { 0x12, avrcp_list_player_values }, + { 0x13, avrcp_get_current_player_value }, + { 0x14, avrcp_set_player_value }, + { 0x15, avrcp_get_player_attribute_text }, + { 0x16, avrcp_get_player_value_text }, + { 0x17, avrcp_displayable_charset }, + { 0x18, avrcp_ct_battery_status }, + { 0x20, avrcp_get_element_attributes }, + { 0x30, avrcp_get_play_status }, + { 0x31, avrcp_register_notification }, + { 0x50, avrcp_set_absolute_volume }, + { 0x60, avrcp_set_addressed_player }, + { 0x74, avrcp_play_item }, + { 0x90, avrcp_add_to_now_playing }, + { } +}; + +static void avrcp_rejected_packet(const struct l2cap_frame *frame) +{ +} + static void avrcp_pdu_packet(const struct l2cap_frame *frame, uint8_t ctype, uint8_t indent) { + uint8_t pduid, pt; + uint16_t len; + int i; + const struct avrcp_ctrl_pdu_data *ctrl_pdu_data = NULL; + const char *ctrl_pdu_data_color; + struct l2cap_frame avrcp_frame; + + pduid = *((uint8_t *) frame->data); + pt = *((uint8_t *) (frame->data + 1)); + len = get_be16(frame->data + 2); + + print_indent(indent, ctrl_pdu_data_color, "AVRCP: ", pdu2str(pduid), + COLOR_OFF, " pt %s len 0x%04x", + pt2str(pt), len); + + if ((frame->size < 4) || ((frame->size - 4) != len)) { + print_text(COLOR_ERROR, "PDU malformed"); + packet_hexdump(frame->data, frame->size); + return; + } + + if (ctype == 0xA) { + avrcp_rejected_packet(frame); + return; + } + + for (i = 0; avrcp_ctrl_pdu_table[i].func; i++) { + if (avrcp_ctrl_pdu_table[i].pduid == pduid) { + ctrl_pdu_data = &avrcp_ctrl_pdu_table[i]; + break; + } + } + + if (ctrl_pdu_data) { + if (ctrl_pdu_data->func) { + if (frame->in) + ctrl_pdu_data_color = COLOR_MAGENTA; + else + ctrl_pdu_data_color = COLOR_BLUE; + } else + ctrl_pdu_data_color = COLOR_WHITE_BG; + } else { + ctrl_pdu_data_color = COLOR_WHITE_BG; + } + + if (!ctrl_pdu_data || !ctrl_pdu_data->func) { + packet_hexdump(frame->data + 4, frame->size - 4); + return; + } + + l2cap_frame_pull(&avrcp_frame, frame, 4); + ctrl_pdu_data->func(&avrcp_frame, ctype, len, indent + 2); } static void avrcp_control_packet(const struct l2cap_frame *frame) -- 1.9.1