# -*- coding: utf-8 -*-
# @Author: hzf
# @Date: 2019-12-04 18:57:43
# @Last Modified by: hzf
# @Last Modified time: 2019-12-09 12:46:49
# coding=utf-8
import sys
import json
import time
import serial
import os
ser = serial.Serial('/dev/ttyACM1', 9600, timeout = 1)#ls /dev/tty*查看具体端口
IS_PY3 = sys.version_info.major == 3
if IS_PY3:
from urllib.request import urlopen
from urllib.request import Request
from urllib.error import URLError
from urllib.parse import urlencode
from urllib.parse import quote_plus
else:
import urllib.request
from urllib import quote_plus
from urllib.request import urlopen
from urllib.request import Request
from urllib.request import URLError
from urllib import urlencode
API_KEY = 'i0mqgE9uTRziKXWNbyeblOC6'
SECRET_KEY = 'nj1XxxaBqbVQajD3bkgcTT5YE9in9UGv'
TEXT = "欢迎使用"
# 发音人选择, 0为普通女声,1为普通男生,3为情感合成-度逍遥,4为情感合成-度丫丫,默认为普通女声
PER = 4
# 语速,取值0-15,默认为5中语速
SPD = 5
# 音调,取值0-15,默认为5中语调
PIT = 5
# 音量,取值0-9,默认为5中音量
VOL = 5
# 下载的文件格式, 3:mp3(default) 4: pcm-16k 5: pcm-8k 6. wav
AUE = 3
FORMATS = {3: "mp3", 4: "pcm", 5: "pcm", 6: "wav"}
FORMAT = FORMATS[AUE]
CUID = "123456PYTHON"
TTS_URL = 'http://tsn.baidu.com/text2audio'
class DemoError(Exception):
pass
""" TOKEN start """
TOKEN_URL = 'http://openapi.baidu.com/oauth/2.0/token'
SCOPE = 'audio_tts_post' # 有此scope表示有tts能力,没有请在网页里勾选
def fetch_token():
print("fetch token begin")
params = {'grant_type': 'client_credentials',
'client_id': API_KEY,
'client_secret': SECRET_KEY}
post_data = urlencode(params)
if (IS_PY3):
post_data = post_data.encode('utf-8')
req = Request(TOKEN_URL, post_data)
try:
f = urlopen(req, timeout=5)
result_str = f.read()
except URLError as err:
print('token http response http code : ' + str(err.code))
result_str = err.read()
if (IS_PY3):
result_str = result_str.decode()
print(result_str)
result = json.loads(result_str)
print(result)
if ('access_token' in result.keys() and 'scope' in result.keys()):
if not SCOPE in result['scope'].split(' '):
raise DemoError('scope is not correct')
print('SUCCESS WITH TOKEN: %s ; EXPIRES IN SECONDS: %s' % (result['access_token'], result['expires_in']))
return result['access_token']
else:
raise DemoError('MAYBE API_KEY or SECRET_KEY not correct: access_token or scope not found in token response')
def createmp3(TEXT):
token = fetch_token()
tex = quote_plus(TEXT) # 此处TEXT需要两次urlencode
print(tex)
params = {'tok': token, 'tex': tex, 'per': PER, 'spd': SPD, 'pit': PIT, 'vol': VOL, 'aue': AUE, 'cuid': CUID,
'lan': 'zh', 'ctp': 1} # lan ctp 固定参数
data = urlencode(params)
print('test on Web Browser' + TTS_URL + '?' + data)
req = Request(TTS_URL, data.encode('utf-8'))
has_error = False
try:
f = urlopen(req)
result_str = f.read()
headers = dict((name.lower(), value) for name, value in f.headers.items())
has_error = ('content-type' not in headers.keys() or headers['content-type'].find('audio/') < 0)
except URLError as err:
print('asr http response http code : ' + str(err.code))
result_str = err.read()
has_error = True
save_file = "error.txt" if has_error else 'result.' + FORMAT
with open(save_file, 'wb') as of:
of.write(result_str)
if has_error:
if (IS_PY3):
result_str = str(result_str, 'utf-8')
print("tts api error:" + result_str)
print("result saved as :" + save_file)
def Radio():
import subprocess
import shlex
dir = /home/pi/start.mp3
command_line = "omxplayer -o local " + dir
args = shlex.split(command_line)
print(args)
subprocess.Popen(args)
#播放完毕后删除该音频,等待下次重新创建,防止播放错误
try:
os.remove(dir)
except:
os.rmdir(dir)
""" TOKEN end """
texts = ['欢迎使用智能升降椅子','请调整坐姿,您可能需要左边一点点','请调整坐姿,您可能需要又边一点点']
if __name__ == '__main__':
try:
while 1:
result_data = str(ser.read())
if result_data[0:2] == 'A5':#检测到来自于stm32的指令
height = int(result_data[4])*10+int(result_data[5])+0.1*int(result_data[6])
weight = int(result_data[7])*10+int(result_data[8])+0.1*int(result_data[9])
if result_data[2]==1 and result_data[3]==0:
start_t = time.time()#开始计时
createmp3(texts[0])
Radio()
if result_data[2]==0 and result_data[3]==1:
stop_t = time.time()#停止计时
text = '您本次使用时长为:'+str(stop_t-start_t)+'欢迎您下次使用'
createmp3(text)
Radio()
if time.time() - start_t > 20:
text = '长时间工作对身体不好,亲亲,这边建议您休息呢'
createmp3(text)
Radio()
if result_data[0] == 's':
if result_data[1] == 'l':
createmp3(texts[1])
Radio()
else if result_data[1] == 'r':
createmp3(texts[2])
Radio()
except:
ser.close()
树莓派与Stm32通信,生成、播放语音
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转载自blog.csdn.net/qq_41582910/article/details/103491176
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