Crash_Override/OVMS3-idf
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

HFP HF Client Example

Browse source
This commit is contained in:
weitianhua 2019-10-25 20:17:32 +08:00
parent bcb9ba6783
commit 88c8791b1d
19 changed files with 1806 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
examples/bluetooth/bluedroid/classic_bt/hfp_hf/CMakeLists.txt Normal file
View file

@ -0,0 +1,6 @@
# The following lines of boilerplate have to be in your project's
# CMakeLists in this exact order for cmake to work correctly
cmake_minimum_required(VERSION 3.5)
include($ENV{IDF_PATH}/tools/cmake/project.cmake)
project(hfp_hf)

9
examples/bluetooth/bluedroid/classic_bt/hfp_hf/Makefile Normal file
View file

@ -0,0 +1,9 @@
#
# This is a project Makefile. It is assumed the directory this Makefile resides in is a
# project subdirectory.
#
PROJECT_NAME := hfp_hf
include $(IDF_PATH)/make/project.mk

302
examples/bluetooth/bluedroid/classic_bt/hfp_hf/README.md Normal file
View file

@ -0,0 +1,302 @@
# Hands-Free Unit
This example is to show how to use the APIs of Hands-Free (HF) Unit Component and the effects of them with the help of structured commands. You can use this example to communicate with an Audio Gateway (AG) device (e.g. a smart phone). This example use the UART as a transportation of commands and reserve the GPIO for PCM audio path.
## How to use example
### Hardware Required
If possible, example should be able to run on any commonly available ESP32 development board. And is supposed to connect to _Hands Free Audio Gateway (hfp_ag)_ example in ESP-IDF.
### Configure the project
```
idf.py menuconfig
```
- Enable `Classic Bluetooth`, `Hands Free/Handset` and `Hands Free Unit` under `Component config ---> Bluetooth ---> Bluedroid Options`
- When using PCM as the data path and this example configures PCM audio data to GPIO pins. You can link the GPIO pins to a speaker via i2s port. PCM data path does not support mSBC codec but CVSD codec.
- When using HCI data path, ESP32 support both CVSD and mSBC codec.
### Build and Flash
Build the project and flash it to the board, then run monitor tool to view serial output:
```
idf.py -p PORT flash monitor
```
(Replace PORT with the name of the serial port to use.)
(To exit the serial monitor, type ``Ctrl-]``.)
See the Getting Started Guide for full steps to configure and use ESP-IDF to build projects.
## Example Output
When you run this example, the command help table will print out in the monitor:
```
########################################################################
HF client command usage manual
HF client commands begin with "hf" and ends with ";"
Supported commands are as follows, arguments are embraced with < and >
hf con; -- setup connection with peer device
hf dis; -- release connection with peer device
hf cona; -- setup audio connection with peer device
hf disa; -- release connection with peer device
hf qop; -- query current operator name
hf qc; -- query current call status
hf ac; -- answer incoming call
hf rc; -- reject incoming call
hf d <num>; -- dial <num>, e.g. hf d 11223344
hf rd; -- redial
hf dm <index>; -- dial memory
hf vron; -- start voice recognition
hf vroff; -- stop voice recognition
hf vu <tgt> <vol>; -- volume update
tgt: 0-speaker, 1-microphone
vol: volume gain ranges from 0 to 15
hf rs; -- retrieve subscriber information
hf rv; -- retrieve last voice tag number
hf rh <btrh>; -- response and hold
btrh:
0 - put call on hold,
1 - accept the held call,
2 -reject the held call
hf k <dtmf>; -- send dtmf code.
dtmf: single character in set 0-9, *, #, A-D
hf h; -- show command manual
########################################################################
```
The commands help table will print out in monitor whenever you type `hf h;` or input a command that is not required by the command parse rule.
### Service Level Connection and Disconnection
In this example, type `hf con;` will trigger the HF Unit to establish a service level connection with AG device and log prints like:
```
E (100147) CNSL: Command [hf dis;]
disconnect
W (100427) BT_RFCOMM: port_rfc_closed RFCOMM connection in state 3 closed: Closed (res: 19)
W (100427) BT_APPL: BTA_HF_CLIENT_SCO_SHUTDOWN_ST: Ignoring event 3
E (100427) BT_HF: APP HFP event: CONNECTION_STATE_EVT
E (100437) BT_HF: --connection state disconnected, peer feats 0x0, chld_feats 0x0
```
**Note: Only after HFP service are initiated and a service level connection exists between the HF Unit and AG device that other commands are available.**
And you can type `hf dis;` to disconnect with the connected AG device, and log prints like:
```
E (100147) CNSL: Command [hf dis;]
disconnect
W (100427) BT_RFCOMM: port_rfc_closed RFCOMM connection in state 3 closed: Closed (res: 19)
W (100427) BT_APPL: BTA_HF_CLIENT_SCO_SHUTDOWN_ST: Ignoring event 3
E (100427) BT_HF: APP HFP event: CONNECTION_STATE_EVT
E (100437) BT_HF: --connection state disconnected, peer feats 0x0, chld_feats 0x0
```
### Audio Connection and Disconnection
You can type `hf cona;` to establish the audio connection between HF Unit and AG device. Also, you can type `hf disa;` to close the audio data stream.
#### Situations for Audio Connection
- Answer an incoming call
- Enable voice recognition
- Dial a outgoing call
#### Situations for Audio Disconnection
- Reject an incoming call
- Disable the voice recognition
#### Audio Data path
ESP32 supports two type of audio data pth: PCM and HCI.
- PCM : When using PCM audio data stream is "matrixed" to GPIO pins and you should link these GPIO pins to a speaker via i2s port.
- HCI : When using HCI audio data stream will act in "loopback" mode. For example, you can hear your own voice when you place a call to a phone connected with a ESP32 development borad.
#### Codec
ESP32 support both CVSD and mSBC codec. HF Unit and AG devices determine which encoding to use when establishing a service level connection. The choice of codec method also depends on the user's configuration options for this example. Since CVSD is the default codec method in HFP, the situation using mSBC is showed here:
- If you enable `BT_HFP_WBS_ENABLE` in `menuconfig`, mSBC will be available.
- If both HF Unit and AG support mSBC and `BT_HFP_WBS_ENABLE` is enabled, ESP32 chooses mSBC.
- If you use PCM data path, mSBC is not available.
### Answer or Reject an incoming call
#### Answer an incoming call
You can type `hf ac;` to answer an incoming call and log prints like:
```
E (11278) CNSL: Command [hf ac;]
Answer call
E (754946) BT_HF: APP HFP event: AT_RESPONSE
E (754946) BT_HF: --AT response event, code 0, cme 0
E (755326) BT_HF: APP HFP event: CALL_IND_EVT
E (755326) BT_HF: --Call indicator call in progress
E (755336) BT_HF: APP HFP event: CALL_SETUP_IND_EVT
E (755336) BT_HF: --Call setup indicator NONE
E (755966) BT_HF: APP HFP event: SIGNAL_STRENGTH_IND_EVT
E (755966) BT_HF: -- signal strength: 5 (option)
E (756206) BT_APPL: bta_dm_pm_btm_status hci_status=32
```
#### Reject an incoming call
You can type `hf rc;` to reject an incoming call and log prints like:
```
E (717326) CNSL: Command [hf rc;]
Reject call
E (717356) BT_HF: APP HFP event: AT_RESPONSE
E (717356) BT_HF: --AT response event, code 0, cme 0
E (717666) BT_HF: APP HFP event: AUDIO_STATE_EVT
E (717666) BT_HF: --audio state disconnected
E (717676) BT_HF: APP HFP event: CALL_SETUP_IND_EVT
E (717676) BT_HF: --Call setup indicator NONE
```
#### Dial Number
This example supports three dialing commands, you can choose one from them:
- `hf d <num>;` Dial the specific number.
- `hf rd;` Redial the last number.
- `hf dm <index>` Dial the specific indexed number in the AG memory.
When you type `hf d 186xxxx5549;` your phone will put an outgoing call to 186xxxx5549 and log prints like:
```
E (176927) CNSL: Command [hf d 186xxxx5549;]
Dial number 186xxxx5549
E (15246) BT_HF: APP HFP event: AT_RESPONSE
E (15246) BT_HF: --AT response event, code 0, cme 0
E (15246) BT_HF: APP HFP event: CALL_SETUP_IND_EVT
E (15246) BT_HF: --Call setup indicator OUTGOING_DIALING
E (15736) BT_HF: APP HFP event: CALL_SETUP_IND_EVT
E (15736) BT_HF: --Call setup indicator OUTGOING_ALERTING
E (15816) BT_BTM: btm_sco_connected, handle 180
E (15816) BT_HF: APP HFP event: AUDIO_STATE_EVT
E (15816) BT_HF: --audio state connected_msbc
```
#### Respond and Hold
You can type `hf rh <btrh>;` to respond or hold the current call. The parameter set:
- `<btrh>` : 0 - hold current call, 1 - answer held call, 2 - end held call.
#### Volume Control
You can type `hf vu <tgt> <vol>;` to sync volume gain of headset or microphone. The parameter set:
- `<tgt>` : 0 - headset, 1 - microphone.
- `<vol>` : Integer among 0 - 15.
For example, `hf vu 0 9;` sync the volume of headset and log prints like:
```
E (34827) CNSL: Command [hf vu 0 9;]
volume update
E (35467) BT_HF: APP HFP event: AT_RESPONSE
E (35467) BT_HF: --AT response event, code 0, cme 0
```
And also, `hf vu 1 9;` sync the volume gain of microphone and log prints like:
```
E (39247) CNSL: Command [hf vu 1 9;]
volume updateE (39257)
BT_HF: APP HFP event: AT_RESPONSEE (39257)
BT_HF: --AT response event, code 0, cme 0
```
#### Voice Recognition
You can type `hf vron;` to start the voice recognition of AG and type `hf vroff;` to end the voice recognition. For example, type `hf vron;` and log prints like:
```
E (45002) CNSL: Command [hf vron;]
Start voice recognition
E (25162) BT_HF: APP HFP event: AT_RESPONSE
E (25162) BT_HF: --AT response event, code 0, cme 0
E (25182) BT_HF: APP HFP event: VOLUME_CONTROL_EVT
E (25182) BT_HF: --volume_target: SPEAKER, volume 7
E (191202) BT_HF: --VR state enabled
```
#### Query Current Operator Name
You can type `hf qop;` to query the current operator name and log prints like:
```
E (45002) CNSL: Command [hf qop;]
Query operator
E (393672) BT_HF: APP HFP event: CURRENT_OPERATOR_EVT
E (393672) BT_HF: --operator name: 中国联通
E (393672) BT_HF: APP HFP event: AT_RESPONSE
E (393682) BT_HF: --AT response event, code 0, cme 0
```
#### Retrieve Subscriber Information
You can type `hf rs;` to retrieve subscriber information and log prints like:
```
E (231427) CNSL: Command [hf rs;]
Retrieve subscriber information
E (231447) BT_HF: APP HFP event: SUBSCRIBER_INFO_EVT
E (231447) BT_HF: --subscriber type voice, number +86156xxxx1969
E (231447) BT_HF: APP HFP event: AT_RESPONSE
E (231447) BT_HF: --AT response event, code 0, cme
```
#### Query Current Call Status
You can type `hf qc;` to query current call status and log prints like:
```
E (102837) CNSL: Command [hf qc;]
Query current call status
E (29228) BT_HF: APP HFP event: CLCC_EVT
E (29228) BT_HF: --Current call: idx 1, dir incoming, state active, mpty single, number 186xxxx5549
E (29238) BT_HF: APP HFP event: AT_RESPONSE
E (29238) BT_HF: --AT response event, code 0, cme 0
```
## Troubleshooting
- You should type the command in the terminal according to the format described in the command help table.
- Not all commands in the table are supported by AG device.
- If you want to use HF Unit to establish a service level connection with AG, you should add the MAC address of AG in `hfp_hf/main/bt_app.c`, for example:
```
esp_bd_addr_t peer_addr = {0xb4, 0xe6, 0x2d, 0xeb, 0x09, 0x93};
```
- Use `esp_hf_client_register_callback()` and `esp_hf_client_init();` before establishing a service level connection.
## Example Breakdown
This example has relatively more source files than other bluetooth examples because _Hands Free Profile_ is somehow complex. But we want to show the functions of _Hands Free Profile_ in a simple way, so we use the _Commands and Effects_ scheme to show the usage of APIs of HFP in ESP-IDF.
- The example will respond to user command through UART console. Please go to `hfp_hf/main/console_uart.c` for the configuration details.
- For voice interface, ESP32 has provided PCM input/output signals which can be **matrixed** to GPIOs, please go to `hfp_hf/main/gpio_pcm_config.c` for the configuration details.
- If you want to fix the command table, please refer to `hfp_hf/main/app_hf_msg_set.c`.
- If you want to fix the command parse rules, please refer to `hfp_hf/main/app_hf_msg_prs.c`.
- If you want to fix the responses of HF Unit or want to fix the log, please refer to `hfp_hf/main/bt_app_hf.c`.
- Task configuration part is in `hfp_hf/main/bt_app_core.c`.

8
examples/bluetooth/bluedroid/classic_bt/hfp_hf/main/CMakeLists.txt Normal file
View file

@ -0,0 +1,8 @@
idf_component_register(SRCS "app_hf_msg_prs.c"
"app_hf_msg_set.c"
"bt_app_core.c"
"bt_app_hf.c"
"console_uart.c"
"gpio_pcm_config.c"
"main.c"
INCLUDE_DIRS ".")

167
examples/bluetooth/bluedroid/classic_bt/hfp_hf/main/app_hf_msg_prs.c Normal file
View file

@ -0,0 +1,167 @@
/*
This example code is in the Public Domain (or CC0 licensed, at your option.)
Unless required by applicable law or agreed to in writing, this
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.
*/
#include <ctype.h>
#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include <stdlib.h>
#include "app_hf_msg_prs.h"
#include "app_hf_msg_set.h"
// according to the design, message header length shall be no less than 2.
#define HF_MSG_HDR_LEN (3)
const static char hf_msg_hdr[HF_MSG_HDR_LEN] = {'h', 'f', ' '};
// according to the design, message header length shall be no less than 2.
#define HF_MSG_TAIL_LEN (1)
const static char hf_msg_tail[HF_MSG_TAIL_LEN] = {';'};
void hf_msg_parser_reset_state(hf_msg_prs_cb_t *prs)
{
prs->state = HF_MSG_PRS_IDLE;
prs->cnt = 0;
prs->h_idx = 0;
prs->t_idx = 0;
}
void hf_msg_parser_register_callback(hf_msg_prs_cb_t *prs, hf_msg_callback cb)
{
prs->callback = cb;
}
hf_msg_prs_err_t hf_msg_parse(char c, hf_msg_prs_cb_t *prs)
{
hf_msg_prs_err_t err = HF_MSG_PRS_ERR_IN_PROGRESS;
switch (prs->state) {
case HF_MSG_PRS_IDLE:
{
if (c == hf_msg_hdr[0]) {
prs->state = HF_MSG_PRS_HDR;
prs->buf[0] = c;
prs->cnt = 1;
prs->h_idx = 1;
} else {
err = HF_MSG_PRS_ERR_HDR_UNDETECTED;
}
break;
}
case HF_MSG_PRS_HDR:
{
if (c == hf_msg_hdr[prs->h_idx]) {
prs->buf[prs->cnt++] = c;
if (++(prs->h_idx) == HF_MSG_HDR_LEN) {
prs->state = HF_MSG_PRS_PAYL;
prs->t_idx = 0;
}
} else {
hf_msg_parser_reset_state(prs);
err = HF_MSG_PRS_ERR_HDR_SYNC_FAILED;
}
break;
}
case HF_MSG_PRS_PAYL:
{
prs->buf[prs->cnt++] = c;
if (c == hf_msg_tail[prs->t_idx]) {
if (++(prs->t_idx) == HF_MSG_TAIL_LEN) {
prs->buf[prs->cnt] = '\0';
prs->callback(prs->buf, prs->cnt);
hf_msg_parser_reset_state(prs);
err = HF_MSG_PRS_ERR_OK;
break;
}
} else {
prs->t_idx = 0;
}
if (prs->cnt >= HF_MSG_LEN_MAX) {
hf_msg_parser_reset_state(prs);
err = HF_MSG_PRS_ERR_BUF_OVERFLOW;
}
break;
}
}
return err;
}
void hf_msg_split_args(char *start, char *end, char **argv, int *argn)
{
if (argn == NULL || *argn == 0) {
return;
}
memset(argv, 0, (*argn) * sizeof(void *));
int max_argn = *argn;
*argn = 0;
char *p = start;
for (int i = 0; i < max_argn; ++i) {
while (isspace((int)*p) && p != end) {
++p;
}
if (p == end) {
return;
}
argv[i] = p++;
++(*argn);
while (!isspace((int)*p) && p != end) {
++p;
}
if (p == end) {
return;
} else {
*p = '\0';
++p;
}
}
}
void hf_msg_args_parser(char *buf, int len)
{
char *argv[HF_MSG_ARGS_MAX];
int argn = HF_MSG_ARGS_MAX;
char *start = buf + HF_MSG_HDR_LEN;
// set the command terminator to '\0'
char *end = buf + len - HF_MSG_TAIL_LEN;
*end = '\0';
hf_msg_split_args(start, end, argv, &argn);
if (argn == 0) {
return;
}
bool cmd_supported = false;
hf_msg_hdl_t *cmd_tbl = hf_get_cmd_tbl();
size_t cmd_tbl_size = hf_get_cmd_tbl_size();
for (int i = 0; i < cmd_tbl_size; ++i) {
hf_msg_hdl_t *hdl = &cmd_tbl[i];
if (strcmp(argv[0], hdl->str) == 0) {
if (hdl->handler) {
hdl->handler(argn, argv);
cmd_supported = true;
break;
}
}
}
if (!cmd_supported) {
printf("unsupported command\n");
hf_msg_show_usage();
}
return;
}

48
examples/bluetooth/bluedroid/classic_bt/hfp_hf/main/app_hf_msg_prs.h Normal file
View file

@ -0,0 +1,48 @@
/*
This example code is in the Public Domain (or CC0 licensed, at your option.)
Unless required by applicable law or agreed to in writing, this
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.
*/
#ifndef __APP_HF_MSG_PRS_H__
#define __APP_HF_MSG_PRS_H__
typedef enum {
HF_MSG_PRS_ERR_OK = 0, // a complete message is finished
HF_MSG_PRS_ERR_IN_PROGRESS, // message parsing is in progress
HF_MSG_PRS_ERR_HDR_UNDETECTED, // header not detected
HF_MSG_PRS_ERR_HDR_SYNC_FAILED, // failed to sync header
HF_MSG_PRS_ERR_BUF_OVERFLOW, // exceeds the buffer size: HF_MSG_LEN_MAX
} hf_msg_prs_err_t;
typedef enum {
HF_MSG_PRS_IDLE = 0,
HF_MSG_PRS_HDR,
HF_MSG_PRS_PAYL,
} hf_msg_prs_state_t;
typedef void (*hf_msg_callback)(char *buf, int len);
#define HF_MSG_LEN_MAX (128)
typedef struct {
hf_msg_prs_state_t state;
char buf[HF_MSG_LEN_MAX + 1];
int cnt;
int h_idx;
int t_idx;
hf_msg_callback callback;
} hf_msg_prs_cb_t;
void hf_msg_parser_reset_state(hf_msg_prs_cb_t *prs);
void hf_msg_parser_register_callback(hf_msg_prs_cb_t *prs, hf_msg_callback cb);
hf_msg_prs_err_t hf_msg_parse(char c, hf_msg_prs_cb_t *prs);
void hf_msg_show_usage(void);
#endif /* __APP_HF_MSG_PRS_H__*/

264
examples/bluetooth/bluedroid/classic_bt/hfp_hf/main/app_hf_msg_set.c Normal file
View file

@ -0,0 +1,264 @@
/*
This example code is in the Public Domain (or CC0 licensed, at your option.)
Unless required by applicable law or agreed to in writing, this
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.
*/
#include <stdio.h>
#include <string.h>
#include "esp_hf_client_api.h"
#include "app_hf_msg_set.h"
extern esp_bd_addr_t peer_addr;
void hf_msg_show_usage(void)
{
printf("########################################################################\n");
printf("HF client command usage manual\n");
printf("HF client commands begin with \"hf\" and ends with \";\"\n");
printf("Supported commands are as follows, arguments are embraced with < and >\n");
printf("hf con; -- setup connection with peer device\n");
printf("hf dis; -- release connection with peer device\n");
printf("hf cona; -- setup audio connection with peer device\n");
printf("hf disa; -- release connection with peer device\n");
printf("hf qop; -- query current operator name\n");
printf("hf qc; -- query current call status\n");
printf("hf ac; -- answer incoming call\n");
printf("hf rc; -- reject incoming call\n");
printf("hf d <num>; -- dial <num>, e.g. hf d 11223344\n");
printf("hf rd; -- redial\n");
printf("hf dm <index>; -- dial memory\n");
printf("hf vron; -- start voice recognition\n");
printf("hf vroff; -- stop voice recognition\n");
printf("hf vu <tgt> <vol>; -- volume update, tgt: 0-speaker, 1-microphone\n");
printf(" vol: volume gain ranges from 0 to 15\n");
printf("hf rs; -- retrieve subscriber information\n");
printf("hf rv; -- retrieve last voice tag number\n");
printf("hf rh <btrh>; -- response and hold, btrh: 0 - put call on hold,\n");
printf(" 1 - accept the held call, 2 -reject the held call\n");
printf("hf k <dtmf>; -- send dtmf code. dtmf: single character in set \n");
printf(" 0-9, *, #, A-D\n");
printf("hf h; -- show command manual\n");
printf("########################################################################\n");
}
#define HF_CMD_HANDLER(cmd) static void hf_##cmd##_handler(int argn, char **argv)
HF_CMD_HANDLER(help)
{
hf_msg_show_usage();
}
HF_CMD_HANDLER(conn)
{
printf("connect\n");
esp_hf_client_connect(peer_addr);
}
HF_CMD_HANDLER(disc)
{
printf("disconnect\n");
esp_hf_client_disconnect(peer_addr);
}
HF_CMD_HANDLER(conn_audio)
{
printf("connect audio\n");
esp_hf_client_connect_audio(peer_addr);
}
HF_CMD_HANDLER(disc_audio)
{
printf("disconnect audio\n");
esp_hf_client_disconnect_audio(peer_addr);
}
HF_CMD_HANDLER(query_op)
{
printf("Query operator\n");
esp_hf_client_query_current_operator_name();
}
HF_CMD_HANDLER(answer)
{
printf("Answer call\n");
esp_hf_client_answer_call();
}
HF_CMD_HANDLER(reject)
{
printf("Reject call\n");
esp_hf_client_reject_call();
}
HF_CMD_HANDLER(dial)
{
if (argn != 2) {
printf("Insufficient number of arguments");
} else {
printf("Dial number %s\n", argv[1]);
esp_hf_client_dial(argv[1]);
}
}
HF_CMD_HANDLER(redial)
{
printf("Dial number\n");
esp_hf_client_dial(NULL);
}
HF_CMD_HANDLER(dial_mem)
{
if (argn != 2) {
printf("Insufficient number of arguments");
return;
}
int index;
if (sscanf(argv[1], "%d", &index) != 1) {
printf("Invalid argument %s\n", argv[1]);
return;
}
printf("Dial memory %d\n", index);
esp_hf_client_dial_memory(index);
}
HF_CMD_HANDLER(start_vr)
{
printf("Start voice recognition\n");
esp_hf_client_start_voice_recognition();
}
HF_CMD_HANDLER(stop_vr)
{
printf("Stop voice recognition\n");
esp_hf_client_stop_voice_recognition();
}
HF_CMD_HANDLER(volume_update)
{
if (argn != 3) {
printf("Insufficient number of arguments");
return;
}
int target, volume;
if (sscanf(argv[1], "%d", &target) != 1 ||
(target != ESP_HF_VOLUME_CONTROL_TARGET_SPK &&
target != ESP_HF_VOLUME_CONTROL_TARGET_MIC)) {
printf("Invalid argument for target %s\n", argv[1]);
return;
}
if (sscanf(argv[2], "%d", &volume) != 1 ||
(volume < 0 || volume > 15)) {
printf("Invalid argument for volume %s\n", argv[2]);
return;
}
printf("volume update\n");
esp_hf_client_volume_update(target, volume);
}
HF_CMD_HANDLER(query_call)
{
printf("Query current call status\n");
esp_hf_client_query_current_calls();
}
HF_CMD_HANDLER(retrieve_subscriber)
{
printf("Retrieve subscriber information\n");
esp_hf_client_retrieve_subscriber_info();
}
HF_CMD_HANDLER(request_last_voice_tag)
{
printf("Request last voice tag\n");
esp_hf_client_request_last_voice_tag_number();
}
HF_CMD_HANDLER(btrh)
{
if (argn != 2) {
printf("Insufficient number of arguments");
return;
}
int btrh;
if (sscanf(argv[1], "%d", &btrh) != 1) {
printf("Invalid argument %s\n", argv[1]);
return;
}
if (btrh < ESP_HF_BTRH_CMD_HOLD || btrh > ESP_HF_BTRH_CMD_REJECT) {
printf("Invalid argument %s\n", argv[1]);
return;
}
printf("respond and hold command: %d\n", btrh);
esp_hf_client_send_btrh_cmd(btrh);
}
static bool is_dtmf_code(char c)
{
if (c >= '0' && c <= '9') {
return true;
}
if (c == '#' || c == '*') {
return true;
}
if (c >= 'A' && c <= 'D') {
return true;
}
return false;
}
HF_CMD_HANDLER(dtmf)
{
if (argn != 2) {
printf("Insufficient number of arguments");
return;
}
if (strlen(argv[1]) != 1 || !is_dtmf_code(argv[1][0])) {
printf("Invalid argument %s\n", argv[1]);
return;
}
printf("send dtmf code: %s\n", argv[1]);
esp_hf_client_send_dtmf(argv[1][0]);
}
static hf_msg_hdl_t hf_cmd_tbl[] = {
{0, "h", hf_help_handler},
{5, "con", hf_conn_handler},
{10, "dis", hf_disc_handler},
{20, "cona", hf_conn_audio_handler},
{30, "disa", hf_disc_audio_handler},
{40, "qop", hf_query_op_handler},
{120, "qc", hf_query_call_handler},
{50, "ac", hf_answer_handler},
{60, "rc", hf_reject_handler},
{70, "d", hf_dial_handler},
{80, "rd", hf_redial_handler},
{85, "dm", hf_dial_mem_handler},
{90, "vron", hf_start_vr_handler},
{100, "vroff", hf_stop_vr_handler},
{110, "vu", hf_volume_update_handler},
{130, "rs", hf_retrieve_subscriber_handler},
{140, "rv", hf_request_last_voice_tag_handler},
{150, "rh", hf_btrh_handler},
{160, "k", hf_dtmf_handler},
};
hf_msg_hdl_t *hf_get_cmd_tbl(void)
{
return hf_cmd_tbl;
}
size_t hf_get_cmd_tbl_size(void)
{
return sizeof(hf_cmd_tbl) / sizeof(hf_msg_hdl_t);
}

26
examples/bluetooth/bluedroid/classic_bt/hfp_hf/main/app_hf_msg_set.h Normal file
View file

@ -0,0 +1,26 @@
/*
This example code is in the Public Domain (or CC0 licensed, at your option.)
Unless required by applicable law or agreed to in writing, this
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.
*/
#ifndef __APP_HF_MSG_SET_H__
#define __APP_HF_MSG_SET_H__
#define HF_MSG_ARGS_MAX (5)
typedef void (* hf_cmd_handler)(int argn, char **argv);
typedef struct {
uint16_t opcode;
const char *str;
hf_cmd_handler handler;
} hf_msg_hdl_t;
extern hf_msg_hdl_t *hf_get_cmd_tbl(void);
extern size_t hf_get_cmd_tbl_size(void);
void hf_msg_show_usage(void);
#endif /* __APP_HF_MSG_SET_H__*/

116
examples/bluetooth/bluedroid/classic_bt/hfp_hf/main/bt_app_core.c Normal file
View file

@ -0,0 +1,116 @@
/*
This example code is in the Public Domain (or CC0 licensed, at your option.)
Unless required by applicable law or agreed to in writing, this
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.
*/
#include <stdint.h>
#include <string.h>
#include <stdbool.h>
#include "freertos/xtensa_api.h"
#include "freertos/FreeRTOSConfig.h"
#include "freertos/FreeRTOS.h"
#include "freertos/queue.h"
#include "freertos/task.h"
#include "esp_log.h"
#include "bt_app_core.h"
static void bt_app_task_handler(void *arg);
static bool bt_app_send_msg(bt_app_msg_t *msg);
static void bt_app_work_dispatched(bt_app_msg_t *msg);
static xQueueHandle bt_app_task_queue = NULL;
static xTaskHandle bt_app_task_handle = NULL;
bool bt_app_work_dispatch(bt_app_cb_t p_cback, uint16_t event, void *p_params, int param_len, bt_app_copy_cb_t p_copy_cback)
{
ESP_LOGD(BT_APP_CORE_TAG, "%s event 0x%x, param len %d", __func__, event, param_len);
bt_app_msg_t msg;
memset(&msg, 0, sizeof(bt_app_msg_t));
msg.sig = BT_APP_SIG_WORK_DISPATCH;
msg.event = event;
msg.cb = p_cback;
if (param_len == 0) {
return bt_app_send_msg(&msg);
} else if (p_params && param_len > 0) {
if ((msg.param = malloc(param_len)) != NULL) {
memcpy(msg.param, p_params, param_len);
/* check if caller has provided a copy callback to do the deep copy */
if (p_copy_cback) {
p_copy_cback(&msg, msg.param, p_params);
}
return bt_app_send_msg(&msg);
}
}
return false;
}
static bool bt_app_send_msg(bt_app_msg_t *msg)
{
if (msg == NULL) {
return false;
}
if (xQueueSend(bt_app_task_queue, msg, 10 / portTICK_RATE_MS) != pdTRUE) {
ESP_LOGE(BT_APP_CORE_TAG, "%s xQueue send failed", __func__);
return false;
}
return true;
}
static void bt_app_work_dispatched(bt_app_msg_t *msg)
{
if (msg->cb) {
msg->cb(msg->event, msg->param);
}
}
static void bt_app_task_handler(void *arg)
{
bt_app_msg_t msg;
for (;;) {
if (pdTRUE == xQueueReceive(bt_app_task_queue, &msg, (portTickType)portMAX_DELAY)) {
ESP_LOGD(BT_APP_CORE_TAG, "%s, sig 0x%x, 0x%x", __func__, msg.sig, msg.event);
switch (msg.sig) {
case BT_APP_SIG_WORK_DISPATCH:
{
bt_app_work_dispatched(&msg);
break;
}
default:
ESP_LOGW(BT_APP_CORE_TAG, "%s, unhandled sig: %d", __func__, msg.sig);
break;
} // switch (msg.sig)
if (msg.param) {
free(msg.param);
}
}
}
}
void bt_app_task_start_up(void)
{
bt_app_task_queue = xQueueCreate(10, sizeof(bt_app_msg_t));
xTaskCreate(bt_app_task_handler, "BtAppT", 2048, NULL, configMAX_PRIORITIES - 3, &bt_app_task_handle);
return;
}
void bt_app_task_shut_down(void)
{
if (bt_app_task_handle) {
vTaskDelete(bt_app_task_handle);
bt_app_task_handle = NULL;
}
if (bt_app_task_queue) {
vQueueDelete(bt_app_task_queue);
bt_app_task_queue = NULL;
}
}

47
examples/bluetooth/bluedroid/classic_bt/hfp_hf/main/bt_app_core.h Normal file
View file

@ -0,0 +1,47 @@
/*
This example code is in the Public Domain (or CC0 licensed, at your option.)
Unless required by applicable law or agreed to in writing, this
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.
*/
#ifndef __BT_APP_CORE_H__
#define __BT_APP_CORE_H__
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#define BT_APP_CORE_TAG "BT_APP_CORE"
#define BT_APP_SIG_WORK_DISPATCH (0x01)
/**
* @brief handler for the dispatched work
*/
typedef void (* bt_app_cb_t) (uint16_t event, void *param);
/* message to be sent */
typedef struct {
uint16_t sig; /*!< signal to bt_app_task */
uint16_t event; /*!< message event id */
bt_app_cb_t cb; /*!< context switch callback */
void *param; /*!< parameter area needs to be the last */
} bt_app_msg_t;
/**
* @brief parameter deep-copy function to be customized
*/
typedef void (* bt_app_copy_cb_t) (bt_app_msg_t *msg, void *p_dest, void *p_src);
/**
* @brief work dispatcher for the application task
*/
bool bt_app_work_dispatch(bt_app_cb_t p_cback, uint16_t event, void *p_params, int param_len, bt_app_copy_cb_t p_copy_cback);
void bt_app_task_start_up(void);
void bt_app_task_shut_down(void);
#endif /* __BT_APP_CORE_H__ */

407
examples/bluetooth/bluedroid/classic_bt/hfp_hf/main/bt_app_hf.c Normal file
View file

@ -0,0 +1,407 @@
/*
This example code is in the Public Domain (or CC0 licensed, at your option.)
Unless required by applicable law or agreed to in writing, this
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.
*/
#include <stdint.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include "esp_log.h"
#include "bt_app_core.h"
#include "bt_app_hf.h"
#include "esp_bt_main.h"
#include "esp_bt_device.h"
#include "esp_gap_bt_api.h"
#include "esp_hf_client_api.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/queue.h"
#include "freertos/semphr.h"
#include "freertos/ringbuf.h"
#include "time.h"
#include "sys/time.h"
#include "sdkconfig.h"
const char *c_hf_evt_str[] = {
"CONNECTION_STATE_EVT", /*!< connection state changed event */
"AUDIO_STATE_EVT", /*!< audio connection state change event */
"VR_STATE_CHANGE_EVT", /*!< voice recognition state changed */
"CALL_IND_EVT", /*!< call indication event */
"CALL_SETUP_IND_EVT", /*!< call setup indication event */
"CALL_HELD_IND_EVT", /*!< call held indicator event */
"NETWORK_STATE_EVT", /*!< network state change event */
"SIGNAL_STRENGTH_IND_EVT", /*!< signal strength indication event */
"ROAMING_STATUS_IND_EVT", /*!< roaming status indication event */
"BATTERY_LEVEL_IND_EVT", /*!< battery level indication event */
"CURRENT_OPERATOR_EVT", /*!< current operator name event */
"RESP_AND_HOLD_EVT", /*!< response and hold event */
"CLIP_EVT", /*!< Calling Line Identification notification event */
"CALL_WAITING_EVT", /*!< call waiting notification */
"CLCC_EVT", /*!< listing current calls event */
"VOLUME_CONTROL_EVT", /*!< audio volume control event */
"AT_RESPONSE", /*!< audio volume control event */
"SUBSCRIBER_INFO_EVT", /*!< subscriber information event */
"INBAND_RING_TONE_EVT", /*!< in-band ring tone settings */
"LAST_VOICE_TAG_NUMBER_EVT", /*!< requested number from AG event */
"RING_IND_EVT", /*!< ring indication event */
};
// esp_hf_client_connection_state_t
const char *c_connection_state_str[] = {
"disconnected",
"connecting",
"connected",
"slc_connected",
"disconnecting",
};
// esp_hf_client_audio_state_t
const char *c_audio_state_str[] = {
"disconnected",
"connecting",
"connected",
"connected_msbc",
};
/// esp_hf_vr_state_t
const char *c_vr_state_str[] = {
"disabled",
"enabled",
};
// esp_hf_service_availability_status_t
const char *c_service_availability_status_str[] = {
"unavailable",
"available",
};
// esp_hf_roaming_status_t
const char *c_roaming_status_str[] = {
"inactive",
"active",
};
// esp_hf_client_call_state_t
const char *c_call_str[] = {
"NO call in progress",
"call in progress",
};
// esp_hf_client_callsetup_t
const char *c_call_setup_str[] = {
"NONE",
"INCOMING",
"OUTGOING_DIALING",
"OUTGOING_ALERTING"
};
// esp_hf_client_callheld_t
const char *c_call_held_str[] = {
"NONE held",
"Held and Active",
"Held",
};
// esp_hf_response_and_hold_status_t
const char *c_resp_and_hold_str[] = {
"HELD",
"HELD ACCEPTED",
"HELD REJECTED",
};
// esp_hf_client_call_direction_t
const char *c_call_dir_str[] = {
"outgoing",
"incoming",
};
// esp_hf_client_call_state_t
const char *c_call_state_str[] = {
"active",
"held",
"dialing",
"alerting",
"incoming",
"waiting",
"held_by_resp_hold",
};
// esp_hf_current_call_mpty_type_t
const char *c_call_mpty_type_str[] = {
"single",
"multi",
};
// esp_hf_volume_control_target_t
const char *c_volume_control_target_str[] = {
"SPEAKER",
"MICROPHONE"
};
// esp_hf_at_response_code_t
const char *c_at_response_code_str[] = {
"OK",
"ERROR"
"ERR_NO_CARRIER",
"ERR_BUSY",
"ERR_NO_ANSWER",
"ERR_DELAYED",
"ERR_BLACKLILSTED",
"ERR_CME",
};
// esp_hf_subscriber_service_type_t
const char *c_subscriber_service_type_str[] = {
"unknown",
"voice",
"fax",
};
// esp_hf_client_in_band_ring_state_t
const char *c_inband_ring_state_str[] = {
"NOT provided",
"Provided",
};
esp_bd_addr_t peer_addr;
// If you want to use a specific MAC address just define peer_address here
// esp_bd_addr_t peer_addr = {0xb4, 0xe6, 0x2d, 0xeb, 0x09, 0x93};
#if CONFIG_BTDM_CONTROLLER_BR_EDR_SCO_DATA_PATH_HCI
#define ESP_HFP_RINGBUF_SIZE 3600
static RingbufHandle_t m_rb = NULL;
static void bt_app_hf_client_audio_open(void)
{
if (!m_rb) {
return 0;
}
m_rb = xRingbufferCreate(ESP_HFP_RINGBUF_SIZE, RINGBUF_TYPE_BYTEBUF);
}
static void bt_app_hf_client_audio_close(void)
{
if (!m_rb) {
return 0;
}
vRingbufferDelete(m_rb);
}
static uint32_t bt_app_hf_client_outgoing_cb(uint8_t *p_buf, uint32_t sz)
{
if (!m_rb) {
return 0;
}
size_t item_size = 0;
uint8_t *data = xRingbufferReceiveUpTo(m_rb, &item_size, 0, sz);
if (item_size == sz) {
memcpy(p_buf, data, item_size);
vRingbufferReturnItem(m_rb, data);
return sz;
} else if (0 < item_size) {
vRingbufferReturnItem(m_rb, data);
return 0;
} else {
// data not enough, do not read
return 0;
}
}
static void bt_app_hf_client_incoming_cb(const uint8_t *buf, uint32_t sz)
{
if (! m_rb) {
return;
}
BaseType_t done = xRingbufferSend(m_rb, (uint8_t *)buf, sz, 0);
if (! done) {
ESP_LOGI(BT_HF_TAG, "rb send fail");
}
esp_hf_client_outgoing_data_ready();
}
#endif /* #if CONFIG_BTDM_CONTROLLER_BR_EDR_SCO_DATA_PATH_HCI */
/* callback for HF_CLIENT */
void bt_app_hf_client_cb(esp_hf_client_cb_event_t event, esp_hf_client_cb_param_t *param)
{
if (event <= ESP_HF_CLIENT_RING_IND_EVT) {
ESP_LOGE(BT_HF_TAG, "APP HFP event: %s", c_hf_evt_str[event]);
} else {
ESP_LOGE(BT_HF_TAG, "APP HFP invalid event %d", event);
}
switch (event) {
case ESP_HF_CLIENT_CONNECTION_STATE_EVT:
{
ESP_LOGE(BT_HF_TAG, "--connection state %s, peer feats 0x%x, chld_feats 0x%x",
c_connection_state_str[param->conn_stat.state],
param->conn_stat.peer_feat,
param->conn_stat.chld_feat);
memcpy(peer_addr,param->conn_stat.remote_bda,ESP_BD_ADDR_LEN);
break;
}
case ESP_HF_CLIENT_AUDIO_STATE_EVT:
{
ESP_LOGE(BT_HF_TAG, "--audio state %s",
c_audio_state_str[param->audio_stat.state]);
#if CONFIG_BTDM_CONTROLLER_BR_EDR_SCO_DATA_PATH_HCI
if (param->audio_stat.state == ESP_HF_CLIENT_AUDIO_STATE_CONNECTED ||
param->audio_stat.state == ESP_HF_CLIENT_AUDIO_STATE_CONNECTED_MSBC) {
esp_hf_client_register_data_callback(bt_app_hf_client_incoming_cb,
bt_app_hf_client_outgoing_cb);
bt_app_hf_client_audio_open();
} else if (param->audio_stat.state == ESP_HF_CLIENT_AUDIO_STATE_DISCONNECTED) {
bt_app_hf_client_audio_close();
}
#endif /* #if CONFIG_BTDM_CONTROLLER_BR_EDR_SCO_DATA_PATH_HCI */
break;
}
case ESP_HF_CLIENT_BVRA_EVT:
{
ESP_LOGE(BT_HF_TAG, "--VR state %s",
c_vr_state_str[param->bvra.value]);
break;
}
case ESP_HF_CLIENT_CIND_SERVICE_AVAILABILITY_EVT:
{
ESP_LOGE(BT_HF_TAG, "--NETWORK STATE %s",
c_service_availability_status_str[param->service_availability.status]);
break;
}
case ESP_HF_CLIENT_CIND_ROAMING_STATUS_EVT:
{
ESP_LOGE(BT_HF_TAG, "--ROAMING: %s",
c_roaming_status_str[param->roaming.status]);
break;
}
case ESP_HF_CLIENT_CIND_SIGNAL_STRENGTH_EVT:
{
ESP_LOGE(BT_HF_TAG, "-- signal strength: %d",
param->signal_strength.value);
break;
}
case ESP_HF_CLIENT_CIND_BATTERY_LEVEL_EVT:
{
ESP_LOGE(BT_HF_TAG, "--battery level %d",
param->battery_level.value);
break;
}
case ESP_HF_CLIENT_COPS_CURRENT_OPERATOR_EVT:
{
ESP_LOGE(BT_HF_TAG, "--operator name: %s",
param->cops.name);
break;
}
case ESP_HF_CLIENT_CIND_CALL_EVT:
{
ESP_LOGE(BT_HF_TAG, "--Call indicator %s",
c_call_str[param->call.status]);
break;
}
case ESP_HF_CLIENT_CIND_CALL_SETUP_EVT:
{
ESP_LOGE(BT_HF_TAG, "--Call setup indicator %s",
c_call_setup_str[param->call_setup.status]);
break;
}
case ESP_HF_CLIENT_CIND_CALL_HELD_EVT:
{
ESP_LOGE(BT_HF_TAG, "--Call held indicator %s",
c_call_held_str[param->call_held.status]);
break;
}
case ESP_HF_CLIENT_BTRH_EVT:
{
ESP_LOGE(BT_HF_TAG, "--response and hold %s",
c_resp_and_hold_str[param->btrh.status]);
break;
}
case ESP_HF_CLIENT_CLIP_EVT:
{
ESP_LOGE(BT_HF_TAG, "--clip number %s",
(param->clip.number == NULL) ? "NULL" : (param->clip.number));
break;
}
case ESP_HF_CLIENT_CCWA_EVT:
{
ESP_LOGE(BT_HF_TAG, "--call_waiting %s",
(param->ccwa.number == NULL) ? "NULL" : (param->ccwa.number));
break;
}
case ESP_HF_CLIENT_CLCC_EVT:
{
ESP_LOGE(BT_HF_TAG, "--Current call: idx %d, dir %s, state %s, mpty %s, number %s",
param->clcc.idx,
c_call_dir_str[param->clcc.dir],
c_call_state_str[param->clcc.status],
c_call_mpty_type_str[param->clcc.mpty],
(param->clcc.number == NULL) ? "NULL" : (param->clcc.number));
break;
}
case ESP_HF_CLIENT_VOLUME_CONTROL_EVT:
{
ESP_LOGE(BT_HF_TAG, "--volume_target: %s, volume %d",
c_volume_control_target_str[param->volume_control.type],
param->volume_control.volume);
break;
}
case ESP_HF_CLIENT_AT_RESPONSE_EVT:
{
ESP_LOGE(BT_HF_TAG, "--AT response event, code %d, cme %d",
param->at_response.code, param->at_response.cme);
break;
}
case ESP_HF_CLIENT_CNUM_EVT:
{
ESP_LOGE(BT_HF_TAG, "--subscriber type %s, number %s",
c_subscriber_service_type_str[param->cnum.type],
(param->cnum.number == NULL) ? "NULL" : param->cnum.number);
break;
}
case ESP_HF_CLIENT_BSIR_EVT:
{
ESP_LOGE(BT_HF_TAG, "--inband ring state %s",
c_inband_ring_state_str[param->bsir.state]);
break;
}
case ESP_HF_CLIENT_BINP_EVT:
{
ESP_LOGE(BT_HF_TAG, "--last voice tag number: %s",
(param->binp.number == NULL) ? "NULL" : param->binp.number);
break;
}
default:
ESP_LOGE(BT_HF_TAG, "HF_CLIENT EVT: %d", event);
break;
}
}

24
examples/bluetooth/bluedroid/classic_bt/hfp_hf/main/bt_app_hf.h Normal file
View file

@ -0,0 +1,24 @@
/*
This example code is in the Public Domain (or CC0 licensed, at your option.)
Unless required by applicable law or agreed to in writing, this
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.
*/
#ifndef __BT_APP_HF_H__
#define __BT_APP_HF_H__
#include <stdint.h>
#include "esp_hf_client_api.h"
#define BT_HF_TAG "BT_HF"
/**
* @brief callback function for HF client
*/
void bt_app_hf_client_cb(esp_hf_client_cb_event_t event, esp_hf_client_cb_param_t *param);
#endif /* __BT_APP_HF_H__*/

5
examples/bluetooth/bluedroid/classic_bt/hfp_hf/main/component.mk Normal file
View file

@ -0,0 +1,5 @@
#
# "main" pseudo-component makefile.
#
# (Uses default behaviour of compiling all source files in directory, adding include to include path.)

119
examples/bluetooth/bluedroid/classic_bt/hfp_hf/main/console_uart.c Normal file
View file

@ -0,0 +1,119 @@
/*
This example code is in the Public Domain (or CC0 licensed, at your option.)
Unless required by applicable law or agreed to in writing, this
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.
*/
#include "driver/uart.h"
#include "freertos/xtensa_api.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/queue.h"
#include "esp_log.h"
#include "console_uart.h"
#include "app_hf_msg_prs.h"
#define CONSOLE_UART_NUM UART_NUM_0
static QueueHandle_t uart_queue;
static hf_msg_prs_cb_t hf_msg_parser;
static const uart_config_t uart_cfg = {
.baud_rate = 115200, //1.5M
.data_bits = UART_DATA_8_BITS,
.parity = UART_PARITY_DISABLE,
.stop_bits = UART_STOP_BITS_1,
.flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
.rx_flow_ctrl_thresh = 127,
};
extern void hf_msg_args_parser(char *buf, int len);
void hf_msg_handler(char *buf, int len)
{
ESP_LOGE(TAG_CNSL, "Command [%s]", buf);
hf_msg_args_parser(buf, len);
}
static void console_uart_task(void *pvParameters)
{
int len;
uart_event_t event;
hf_msg_prs_cb_t *parser = &hf_msg_parser;
hf_msg_parser_reset_state(parser);
hf_msg_parser_register_callback(parser, hf_msg_handler);
hf_msg_show_usage();
#define TMP_BUF_LEN 128
uint8_t tmp_buf[128] = {0};
for (;;) {
//Waiting for UART event.
if (xQueueReceive(uart_queue, (void * )&event, (portTickType)portMAX_DELAY)) {
switch (event.type) {
//Event of UART receving data
case UART_DATA:
{
len = uart_read_bytes(CONSOLE_UART_NUM, tmp_buf, TMP_BUF_LEN, 0);
for (int i = 0; i < len; i++) {
hf_msg_parse(tmp_buf[i], parser);
}
break;
}
//Event of HW FIFO overflow detected
case UART_FIFO_OVF:
{
ESP_LOGI(TAG_CNSL, "hw fifo overflow\n");
break;
}
//Event of UART ring buffer full
case UART_BUFFER_FULL:
{
ESP_LOGI(TAG_CNSL, "ring buffer full\n");
break;
}
//Event of UART RX break detected
case UART_BREAK:
{
ESP_LOGI(TAG_CNSL, "uart rx break\n");
break;
}
//Event of UART parity check error
case UART_PARITY_ERR:
{
ESP_LOGI(TAG_CNSL, "uart parity error\n");
break;
}
//Event of UART frame error
case UART_FRAME_ERR:
{
ESP_LOGI(TAG_CNSL, "uart frame error\n");
break;
}
//Others
default:
break;
}
}
}
vTaskDelete(NULL);
}
esp_err_t console_uart_init(void)
{
esp_err_t ret;
ret = uart_param_config(CONSOLE_UART_NUM, &uart_cfg);
if (ret != ESP_OK) {
ESP_LOGE(TAG_CNSL, "Uart %d initialize err %04x\n", CONSOLE_UART_NUM, ret);
return ret;
}
uart_set_pin(CONSOLE_UART_NUM, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE);
uart_driver_install(CONSOLE_UART_NUM, 1024, 1024, 8, &uart_queue, 0);
xTaskCreate(console_uart_task, "uTask", 2048, NULL, 8, NULL);
return ESP_OK;
}

19
examples/bluetooth/bluedroid/classic_bt/hfp_hf/main/console_uart.h Normal file
View file

@ -0,0 +1,19 @@
/*
This example code is in the Public Domain (or CC0 licensed, at your option.)
Unless required by applicable law or agreed to in writing, this
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.
*/
#ifndef __CONSOLE_UART_H__
#define __CONSOLE_UART_H__
#define TAG_CNSL "CNSL"
/**
* @brief configure uart console for command input and process
*/
esp_err_t console_uart_init(void);
#endif /* __BT_APP_HF_H__*/

92
examples/bluetooth/bluedroid/classic_bt/hfp_hf/main/gpio_pcm_config.c Normal file
View file

@ -0,0 +1,92 @@
/*
This example code is in the Public Domain (or CC0 licensed, at your option.)
Unless required by applicable law or agreed to in writing, this
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.
*/
#include "driver/gpio.h"
#include "soc/gpio_reg.h"
#include "soc/gpio_sig_map.h"
#include "gpio_pcm_config.h"
#define GPIO_OUTPUT_PCM_FSYNC (25)
#define GPIO_OUTPUT_PCM_CLK_OUT (5)
#define GPIO_OUTPUT_PCM_DOUT (26)
#define GPIO_INPUT_PCM_DIN (35)
#define GPIO_OUTPUT_PCM_PIN_SEL ((1ULL<<GPIO_OUTPUT_PCM_FSYNC) | (1ULL<<GPIO_OUTPUT_PCM_CLK_OUT) | (1ULL<<GPIO_OUTPUT_PCM_DOUT))
#define GPIO_INPUT_PCM_PIN_SEL (1ULL<<GPIO_INPUT_PCM_DIN)
void app_gpio_pcm_io_cfg(void)
{
gpio_config_t io_conf;
/// configure the PCM output pins
//disable interrupt
io_conf.intr_type = GPIO_PIN_INTR_DISABLE;
//set as output mode
io_conf.mode = GPIO_MODE_OUTPUT;
//bit mask of the pins that you want to set,e.g.GPIO18/19
io_conf.pin_bit_mask = GPIO_OUTPUT_PCM_PIN_SEL;
//disable pull-down mode
io_conf.pull_down_en = 0;
//disable pull-up mode
io_conf.pull_up_en = 0;
//configure GPIO with the given settings
gpio_config(&io_conf);
/// configure the PCM input pin
//interrupt of rising edge
io_conf.intr_type = GPIO_PIN_INTR_DISABLE;
//bit mask of the pins, use GPIO4/5 here
io_conf.pin_bit_mask = GPIO_INPUT_PCM_PIN_SEL;
//set as input mode
io_conf.mode = GPIO_MODE_INPUT;
//enable pull-up mode
io_conf.pull_up_en = 0;
io_conf.pull_down_en = 0;
//configure GPIO with the given settings
gpio_config(&io_conf);
/// matrix out | in the internal PCM signals to the GPIOs
gpio_matrix_out(GPIO_OUTPUT_PCM_FSYNC, PCMFSYNC_OUT_IDX, false, false);
gpio_matrix_out(GPIO_OUTPUT_PCM_CLK_OUT, PCMCLK_OUT_IDX, false, false);
gpio_matrix_out(GPIO_OUTPUT_PCM_DOUT, PCMDOUT_IDX, false, false);
gpio_matrix_in(GPIO_INPUT_PCM_DIN, PCMDIN_IDX, false);
}
#if ACOUSTIC_ECHO_CANCELLATION_ENABLE
#define GPIO_OUTPUT_AEC_1 (19)
#define GPIO_OUTPUT_AEC_2 (21)
#define GPIO_OUTPUT_AEC_3 (22)
#define GPIO_OUTPUT_AEC_PIN_SEL ((1ULL<<GPIO_OUTPUT_AEC_1) | (1ULL<<GPIO_OUTPUT_AEC_2) | (1ULL<<GPIO_OUTPUT_AEC_3))
void app_gpio_aec_io_cfg(void)
{
gpio_config_t io_conf;
//disable interrupt
io_conf.intr_type = GPIO_PIN_INTR_DISABLE;
//set as output mode
io_conf.mode = GPIO_MODE_OUTPUT;
//bit mask of the pins that you want to set,e.g.GPIO18/19
io_conf.pin_bit_mask = GPIO_OUTPUT_AEC_PIN_SEL;
//disable pull-down mode
io_conf.pull_down_en = 0;
//disable pull-up mode
io_conf.pull_up_en = 0;
//configure GPIO with the given settings
gpio_config(&io_conf);
// set the output pins
gpio_set_level(GPIO_OUTPUT_AEC_2, 0);
gpio_set_level(GPIO_OUTPUT_AEC_1, 0);
gpio_set_level(GPIO_OUTPUT_AEC_1, 1);
gpio_set_level(GPIO_OUTPUT_AEC_3, 1);
}
#endif /* ACOUSTIC_ECHO_CANCELLATION_ENABLE */

20
examples/bluetooth/bluedroid/classic_bt/hfp_hf/main/gpio_pcm_config.h Normal file
View file

@ -0,0 +1,20 @@
/*
This example code is in the Public Domain (or CC0 licensed, at your option.)
Unless required by applicable law or agreed to in writing, this
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.
*/
#ifndef __GPIO_PCM_CONFIG_H__
#define __GPIO_PCM_CONFIG_H__
#define ACOUSTIC_ECHO_CANCELLATION_ENABLE 1
void app_gpio_pcm_io_cfg(void);
#if ACOUSTIC_ECHO_CANCELLATION_ENABLE
void app_gpio_aec_io_cfg(void);
#endif /* ACOUSTIC_ECHO_CANCELLATION_ENABLE */
#endif /* #define __GPIO_PCM_CONFIG_H__ */

118
examples/bluetooth/bluedroid/classic_bt/hfp_hf/main/main.c Normal file
View file

@ -0,0 +1,118 @@
/*
This example code is in the Public Domain (or CC0 licensed, at your option.)
Unless required by applicable law or agreed to in writing, this
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "nvs.h"
#include "nvs_flash.h"
#include "esp_system.h"
#include "esp_log.h"
#include "esp_bt.h"
#include "bt_app_core.h"
#include "esp_bt_main.h"
#include "esp_bt_device.h"
#include "esp_gap_bt_api.h"
#include "esp_hf_client_api.h"
#include "bt_app_hf.h"
#include "gpio_pcm_config.h"
#include "console_uart.h"
/* event for handler "bt_av_hdl_stack_up */
enum {
BT_APP_EVT_STACK_UP = 0,
};
/* handler for bluetooth stack enabled events */
static void bt_hf_client_hdl_stack_evt(uint16_t event, void *p_param);
void app_main(void)
{
/* Initialize NVS — it is used to store PHY calibration data */
esp_err_t ret = nvs_flash_init();
if (ret == ESP_ERR_NVS_NO_FREE_PAGES) {
ESP_ERROR_CHECK(nvs_flash_erase());
ret = nvs_flash_init();
}
ESP_ERROR_CHECK( ret );
ESP_ERROR_CHECK(esp_bt_controller_mem_release(ESP_BT_MODE_BLE));
esp_err_t err;
esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();
if ((err = esp_bt_controller_init(&bt_cfg)) != ESP_OK) {
ESP_LOGE(BT_HF_TAG, "%s initialize controller failed: %s\n", __func__, esp_err_to_name(ret));
return;
}
if ((err = esp_bt_controller_enable(ESP_BT_MODE_CLASSIC_BT)) != ESP_OK) {
ESP_LOGE(BT_HF_TAG, "%s enable controller failed: %s\n", __func__, esp_err_to_name(ret));
return;
}
if ((err = esp_bluedroid_init()) != ESP_OK) {
ESP_LOGE(BT_HF_TAG, "%s initialize bluedroid failed: %s\n", __func__, esp_err_to_name(ret));
return;
}
if ((err = esp_bluedroid_enable()) != ESP_OK) {
ESP_LOGE(BT_HF_TAG, "%s enable bluedroid failed: %s\n", __func__, esp_err_to_name(ret));
return;
}
/* create application task */
bt_app_task_start_up();
/* Bluetooth device name, connection mode and profile set up */
bt_app_work_dispatch(bt_hf_client_hdl_stack_evt, BT_APP_EVT_STACK_UP, NULL, 0, NULL);
/* initialize console via UART */
console_uart_init();
/* configure the PCM interface and PINs used */
app_gpio_pcm_io_cfg();
/* configure externel chip for acoustic echo cancellation */
#if ACOUSTIC_ECHO_CANCELLATION_ENABLE
app_gpio_aec_io_cfg();
#endif /* ACOUSTIC_ECHO_CANCELLATION_ENABLE */
}
static void bt_hf_client_hdl_stack_evt(uint16_t event, void *p_param)
{
ESP_LOGD(BT_HF_TAG, "%s evt %d", __func__, event);
switch (event) {
case BT_APP_EVT_STACK_UP: {
/* set up device name */
char *dev_name = "ESP_HFP_HF";
esp_bt_dev_set_device_name(dev_name);
esp_hf_client_register_callback(bt_app_hf_client_cb);
esp_hf_client_init();
esp_bt_pin_type_t pin_type = ESP_BT_PIN_TYPE_FIXED;
esp_bt_pin_code_t pin_code;
pin_code[0] = '0';
pin_code[1] = '0';
pin_code[2] = '0';
pin_code[3] = '0';
esp_bt_gap_set_pin(pin_type, 4, pin_code);
/* set discoverable and connectable mode, wait to be connected */
esp_bt_gap_set_scan_mode(ESP_BT_CONNECTABLE, ESP_BT_GENERAL_DISCOVERABLE);
break;
}
default:
ESP_LOGE(BT_HF_TAG, "%s unhandled evt %d", __func__, event);
break;
}
}

9
examples/bluetooth/bluedroid/classic_bt/hfp_hf/sdkconfig.defaults Normal file
View file

@ -0,0 +1,9 @@
# Override some defaults so BT stack is enabled and
# Classic BT is enabled and BT_DRAM_RELEASE is disabled
CONFIG_BT_ENABLED=y
CONFIG_BT_BLE_ENABLED=n
CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=y
CONFIG_BT_BLUEDROID_ENABLED=y
CONFIG_BT_CLASSIC_ENABLED=y
CONFIG_BT_HFP_ENABLE=y
CONFIG_BT_HFP_CLIENT_ENABLE=y