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SIM868, Новый комбо-модуль 2G+GNSS |
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Aug 13 2018, 19:24
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Цитата(jcxz @ Aug 13 2018, 21:57) где-то соединили GNSS_EN с GPIO1. Вобщем - полная анархия и шатание и пренебрежение мануалом на модуль. Похоже только эксперимент покажет истину.... попробую GNSS_EN портом контроллера подёргать, всё остальное уже пробовали.
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Aug 14 2018, 08:32
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Цитата(jcxz @ Aug 13 2018, 21:57) а завели внешний сигнал на GNSS_EN, где-то соединили GNSS_EN с GPIO1. Вобщем - полная анархия и шатание и пренебрежение мануалом на модуль. Похоже только эксперимент покажет истину.... Вобщем - подал фронт ("0"->"1") на GNSS_EN после подачи команды "CGNSPWR=1" и строка от модуля стала: "+CGNSINF: 1,0,20180814085921.000,,,,0.00,0.0,0,,,,,,1,0,,,18,," Проблема была в кривой EVB ( https://www.mikroe.com/gsmgnss-2-click#heading1 - не отладка, а какое-то недоразумение, баг на баге). Но почему-то второй '0' в строке никак не переходит в '1'. Время получаю, а координат нет. Хотя антенна та же, с которой нормально работал SIM808 и лежит она на том же самом месте. PS: Ещё какая-то непонятка с этим GNSS_EN - он работает по абсолютному уровню, или для включения GPS на него нужно импульс подать? В даташите описано это так мутно. А эксперимент показывает, что после подачи фронта на него и появления "1" в начале строки, все последующие манипуляции с ним ни на что не влияют.
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Aug 16 2018, 17:55
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Цитата(CADiLO @ Aug 14 2018, 09:06) >>>У автора проблема не в разбирании, а в том что GPS не включается. В начале строки 0 приходит.
А расскажите мне что у Вас за антенна? Может он тупо не принимает ничего? Если выносная, то как запитываете? Если на плате, то хотелось бы видеть фрагмент печатки ка сделано граунд-плане.
И еще вопрос - как питаете модуль, какое напряжение на Vbat?
И VRTC почему-то никуда не подключено..... Питание 4В. Там всё хорошо, много ёмкости, ток с запасом итд. Антенна керамика 4мм толщиной. Дело не в этом. Если я проводами к МК подключаю юсарт жпс, то у меня всё хорошо. Координаты и время я получаю. Тут вопрос почему я не могу общаться с GSM и GPS по одному юарту. Может кто поделится последовательностью АТ команд при которых всё проверенно заводится? Модули и антенны покупал в ГАММА Украина.
Сообщение отредактировал sabrat - Aug 16 2018, 18:06
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Aug 18 2018, 08:32
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Цитата(sabrat @ Aug 16 2018, 20:55) Может кто поделится последовательностью АТ команд при которых всё проверенно заводится? У меня лог обмена драйвера с SIM868 такой - старт (состояние GNSS_EN = 0; GPIO1 на EVB не соединён с GNSS_EN, поэтому подаю его с МК, а UART2 соединён с UART_GNSS): CODE XX:40:27.62 SIMCOM baudrate: 230407.7 Hz XX:40:36.95 SIMCOM.out: "ATE0" XX:40:36.95 SIMCOM.in: "ATE0" XX:40:36.95 SIMCOM.in: "OK" XX:40:36.95 SIMCOM. Module start. XX:40:36.95 SIMCOM.out: "AT+GMM" XX:40:36.95 SIMCOM.in: "SIMCOM_SIM868" XX:40:36.95 SIMCOM.in: "OK" XX:40:36.95 SIMCOM.out: "AT+IPR=460800" XX:40:36.95 SIMCOM.in: "OK" XX:40:36.96 SIMCOM baudrate: 460815.4 Hz XX:40:36.96 SIMCOM.out: "AT" XX:40:36.96 SIMCOM.in: "OK" XX:40:36.96 SIMCOM.out: "AT" XX:40:36.96 SIMCOM.in: "OK" XX:40:36.96 SIMCOM.out: "AT+IFC?" XX:40:36.96 SIMCOM.in: "+IFC: 0,0" XX:40:36.96 SIMCOM.in: "OK" XX:40:36.96 SIMCOM.out: "AT+CFUN?" XX:40:36.96 SIMCOM.in: "+CFUN: 1" XX:40:36.96 SIMCOM.in: "OK" XX:40:36.96 SIMCOM.out: "AT+CFUN=0" XX:40:37.01 SIMCOM.in: "OK" XX:40:37.01 SIMCOM.out: "AT+CFUN?" XX:40:37.03 SIMCOM.in: "+CFUN: 0" XX:40:37.03 SIMCOM.in: "OK" XX:40:37.03 SIMCOM.out: "AT+BTSTATUS?" XX:40:37.03 SIMCOM.in: "+BTSTATUS: 0" XX:40:37.03 SIMCOM.in: "P: 1,"...",XX:XX:XX:XX:XX:XX" XX:40:37.03 SIMCOM.in: "OK" XX:40:37.03 SIMCOM.out: "AT+BTSPPCFG=MC,2" XX:40:37.03 SIMCOM.in: "+BTSPPCFG: MC,0" XX:40:37.03 SIMCOM.in: "OK" XX:40:37.04 SIMCOM.out: "AT+BTSPPCFG=TT,2" XX:40:37.04 SIMCOM.in: "+BTSPPCFG: TT,0" XX:40:37.04 SIMCOM.in: "OK" XX:40:37.04 SIMCOM.out: "AT+BTPAIRCFG?" XX:40:37.04 SIMCOM.in: "+BTPAIRCFG: 1,XXXX" XX:40:37.04 SIMCOM.in: "OK" XX:40:37.04 SIMCOM.out: "AT+BTCOD?" XX:40:37.04 SIMCOM.in: "+BTCOD: 0,24,04,04" XX:40:37.06 SIMCOM.in: "OK" XX:40:37.06 SIMCOM.out: "AT+BTCOD=1,24,8,2" XX:40:37.06 SIMCOM.in: "OK" XX:40:37.06 SIMCOM.out: "AT+BTCOD?" XX:40:37.06 SIMCOM.in: "+BTCOD: 1,24,08,02" XX:40:37.06 SIMCOM.in: "OK" XX:40:37.06 SIMCOM.out: "AT+BTSPPURC?" XX:40:37.06 SIMCOM.in: "+BTSPPURC: 0, SEND OK, SEND FAIL" XX:40:37.06 SIMCOM.in: "OK" XX:40:37.06 SIMCOM.out: "AT+BTSPPGET?" XX:40:37.06 SIMCOM.in: "+BTSPPGET: 0" XX:40:37.07 SIMCOM.in: "OK" XX:40:37.07 SIMCOM.out: "AT+BTSPPGET=1" XX:40:37.07 SIMCOM.in: "OK" XX:40:37.07 SIMCOM.out: "AT+BTSPPGET?" XX:40:37.07 SIMCOM.in: "+BTSPPGET: 1" XX:40:37.07 SIMCOM.in: "OK" XX:40:37.07 SIMCOM.out: "AT+BTACI?" XX:40:37.07 SIMCOM.in: "+BTACI: 0,0" XX:40:37.07 SIMCOM.in: "OK" XX:40:37.07 SIMCOM.out: "AT+BTPOWER?" XX:40:37.07 SIMCOM.in: "OK" XX:40:37.09 SIMCOM.out: "AT+BTPOWER=1" XX:40:39.01 SIMCOM.in: "OK" XX:40:40.01 SIMCOM.out: "AT+BTSTATUS?" XX:40:40.01 SIMCOM.in: "+BTSTATUS: 5" XX:40:40.03 SIMCOM.in: "P: 1,"...",XX:XX:XX:XX:XX:XX" XX:40:40.03 SIMCOM.in: "OK" XX:40:40.03 SIMCOM.out: "AT+BTVIS?" XX:40:40.03 SIMCOM.in: "+BTVIS: 1" XX:40:40.03 SIMCOM.in: "OK" XX:40:40.03 SIMCOM.out: "AT+CGNSPWR?" XX:40:40.03 SIMCOM.in: "+CGNSPWR: 0" XX:40:40.03 SIMCOM.in: "OK" XX:40:40.03 SIMCOM.out: "AT+CGNSPWR=1" XX:40:40.04 SIMCOM.in: "OK" XX:40:40.04 SIMCOM.out: "AT+CGNSPWR?" XX:40:40.04 SIMCOM.in: "+CGNSPWR: 1" XX:40:40.04 SIMCOM.in: "OK" XX:40:40.04 SIMCOM. BT started. XX:40:40.04 SIMCOM.out: "AT+BTSTATUS?" XX:40:40.04 SIMCOM.in: "+BTSTATUS: 5" XX:40:40.04 SIMCOM.in: "P: 1,"...",XX:XX:XX:XX:XX:XX" XX:40:40.04 SIMCOM.in: "OK" XX:40:42.03 SIMCOM.out: "AT+CGNSINF" XX:40:42.03 SIMCOM.in: "+CGNSINF: 0,,,,,,,,,,,,,,,,,,,," XX:40:42.04 SIMCOM.in: "OK" XX:40:44.03 SIMCOM.out: "AT+CGNSINF" XX:40:44.04 SIMCOM.in: "+CGNSINF: 0,,,,,,,,,,,,,,,,,,,," XX:40:44.04 SIMCOM.in: "OK" XX:40:46.03 SIMCOM.out: "AT+BTSTATUS?" XX:40:46.04 SIMCOM.in: "+BTSTATUS: 5" XX:40:46.06 SIMCOM.in: "P: 1,"...",XX:XX:XX:XX:XX:XX" XX:40:46.06 SIMCOM.in: "OK" XX:40:46.06 SIMCOM.out: "AT+CGNSINF" XX:40:46.06 SIMCOM.in: "+CGNSINF: 0,,,,,,,,,,,,,,,,,,,," XX:40:46.06 SIMCOM.in: "OK" XX:40:48.04 SIMCOM.out: "AT+CGNSINF" XX:40:48.04 SIMCOM.in: "+CGNSINF: 0,,,,,,,,,,,,,,,,,,,," XX:40:48.06 SIMCOM.in: "OK" XX:40:50.04 SIMCOM.out: "AT+CGNSINF" XX:40:50.04 SIMCOM.in: "+CGNSINF: 0,,,,,,,,,,,,,,,,,,,," XX:40:50.06 SIMCOM.in: "OK" XX:40:52.04 SIMCOM.out: "AT+BTSTATUS?" XX:40:52.04 SIMCOM.in: "+BTSTATUS: 5" XX:40:52.04 SIMCOM.in: "P: 1,"...",XX:XX:XX:XX:XX:XX" XX:40:52.04 SIMCOM.in: "OK" XX:40:52.06 SIMCOM.out: "AT+CGNSINF" XX:40:52.06 SIMCOM.in: "+CGNSINF: 0,,,,,,,,,,,,,,,,,,,," XX:40:52.06 SIMCOM.in: "OK" XX:40:54.04 SIMCOM.out: "AT+CGNSINF" XX:40:54.04 SIMCOM.in: "+CGNSINF: 0,,,,,,,,,,,,,,,,,,,," XX:40:54.06 SIMCOM.in: "OK" XX:40:56.04 SIMCOM.out: "AT+CGNSINF" XX:40:56.04 SIMCOM.in: "+CGNSINF: 0,,,,,,,,,,,,,,,,,,,," XX:40:56.04 SIMCOM.in: "OK" XX:40:58.03 SIMCOM.out: "AT+CGNSINF" XX:40:58.03 SIMCOM.in: "+CGNSINF: 0,,,,,,,,,,,,,,,,,,,," XX:40:58.04 SIMCOM.in: "OK" XX:40:58.06 SIMCOM.out: "AT+BTSTATUS?" XX:40:58.06 SIMCOM.in: "+BTSTATUS: 5" XX:40:58.07 SIMCOM.in: "P: 1,"...",XX:XX:XX:XX:XX:XX" XX:40:58.07 SIMCOM.in: "OK" XX:41:00.04 SIMCOM.out: "AT+CGNSINF" XX:41:00.06 SIMCOM.in: "+CGNSINF: 0,,,,,,,,,,,,,,,,,,,," XX:41:00.06 SIMCOM.in: "OK" теперь подаю GNSS_EN = 1: CODE XX:41:02.04 SIMCOM.out: "AT+CGNSINF" XX:41:02.04 SIMCOM.in: "+CGNSINF: 0,,,,,,,,,,,,,,,,,,,," XX:41:02.04 SIMCOM.in: "OK" XX:41:04.04 SIMCOM.out: "AT+CGNSINF" XX:41:04.06 SIMCOM.in: "+CGNSINF: 0,,,,,,,,,,,,,,,,,,,," XX:41:04.06 SIMCOM.in: "OK" XX:41:04.07 SIMCOM.out: "AT+BTSTATUS?" XX:41:04.07 SIMCOM.in: "+BTSTATUS: 5" XX:41:04.07 SIMCOM.in: "P: 1,"...",XX:XX:XX:XX:XX:XX" XX:41:04.07 SIMCOM.in: "OK" XX:41:06.06 SIMCOM.out: "AT+CGNSINF" XX:41:06.06 SIMCOM.in: "+CGNSINF: 1,0,19800105235942.000,,,,0.00,0.0,0,,,,,,0,0,,,,," XX:41:06.06 SIMCOM.in: "OK" XX:41:08.04 SIMCOM.out: "AT+CGNSINF" XX:41:08.04 SIMCOM.in: "+CGNSINF: 1,0,19800105235944.000,,,,0.00,0.0,0,,,,,,1,0,,,27,," XX:41:08.06 SIMCOM.in: "OK" XX:41:10.04 SIMCOM.out: "AT+CGNSINF" XX:41:10.07 SIMCOM.in: "+CGNSINF: 1,0,19800105235946.000,,,,0.00,0.0,0,,,,,,2,0,,,42,," XX:41:10.07 SIMCOM.in: "OK" XX:41:10.09 SIMCOM.out: "AT+BTSTATUS?" XX:41:10.09 SIMCOM.in: "+BTSTATUS: 5" XX:41:10.09 SIMCOM.in: "P: 1,"...",XX:XX:XX:XX:XX:XX" XX:41:10.09 SIMCOM.in: "OK" XX:41:12.04 SIMCOM.out: "AT+CGNSINF" XX:41:12.04 SIMCOM.in: "+CGNSINF: 1,0,19800105235948.000,,,,0.00,0.0,0,,,,,,2,0,,,43,," XX:41:12.04 SIMCOM.in: "OK" XX:41:14.03 SIMCOM.out: "AT+CGNSINF" XX:41:14.06 SIMCOM.in: "+CGNSINF: 1,0,19800105235950.000,,,,0.00,0.0,0,,,,,,2,0,,,42,," XX:41:14.06 SIMCOM.in: "OK" XX:41:16.04 SIMCOM.out: "AT+CGNSINF" XX:41:16.06 SIMCOM.in: "+CGNSINF: 1,0,19800105235952.000,,,,0.00,0.0,0,,,,,,3,0,,,43,," XX:41:16.06 SIMCOM.in: "OK" XX:41:16.07 SIMCOM.out: "AT+BTSTATUS?" XX:41:16.09 SIMCOM.in: "+BTSTATUS: 5" XX:41:16.09 SIMCOM.in: "P: 1,"...",XX:XX:XX:XX:XX:XX" XX:41:16.09 SIMCOM.in: "OK" XX:41:18.04 SIMCOM.out: "AT+CGNSINF" XX:41:18.04 SIMCOM.in: "+CGNSINF: 1,0,19800105235954.000,,,,0.00,0.0,0,,,,,,3,0,,,43,," XX:41:18.06 SIMCOM.in: "OK" XX:41:20.04 SIMCOM.out: "AT+CGNSINF" XX:41:20.04 SIMCOM.in: "+CGNSINF: 1,0,19800108234132.000,,,,0.00,0.0,0,,,,,,3,0,,,45,," XX:41:20.06 SIMCOM.in: "OK" XX:41:22.04 SIMCOM.out: "AT+CGNSINF" XX:41:22.06 SIMCOM.in: "+CGNSINF: 1,0,19800108234134.000,,,,0.00,0.0,0,,,,,,3,0,,,45,," XX:41:22.06 SIMCOM.in: "OK" XX:41:22.10 SIMCOM.out: "AT+BTSTATUS?" XX:41:22.10 SIMCOM.in: "+BTSTATUS: 5" XX:41:22.10 SIMCOM.in: "P: 1,"...",XX:XX:XX:XX:XX:XX" XX:41:22.10 SIMCOM.in: "OK" XX:41:24.06 SIMCOM.out: "AT+CGNSINF" XX:41:24.07 SIMCOM.in: "+CGNSINF: 1,0,19800108234136.000,,,,0.00,0.0,0,,,,,,3,0,,,45,," XX:41:24.07 SIMCOM.in: "OK" XX:41:26.03 SIMCOM.out: "AT+CGNSINF" XX:41:26.04 SIMCOM.in: "+CGNSINF: 1,0,19800108234138.000,,,,0.00,0.0,0,,,,,,3,0,,,45,," XX:41:26.04 SIMCOM.in: "OK" XX:41:28.03 SIMCOM.out: "AT+CGNSINF" XX:41:28.06 SIMCOM.in: "+CGNSINF: 1,0,19800108234140.000,,,,0.00,0.0,0,,,,,,3,0,,,45,," XX:41:28.06 SIMCOM.in: "OK" XX:41:28.10 SIMCOM.out: "AT+BTSTATUS?" XX:41:28.10 SIMCOM.in: "+BTSTATUS: 5" XX:41:28.10 SIMCOM.in: "P: 1,"...",XX:XX:XX:XX:XX:XX" XX:41:28.10 SIMCOM.in: "OK" XX:41:30.04 SIMCOM.out: "AT+CGNSINF" XX:41:30.06 SIMCOM.in: "+CGNSINF: 1,0,19800108234142.000,,,,0.00,0.0,0,,,,,,3,0,,,45,," XX:41:30.06 SIMCOM.in: "OK" XX:41:32.04 SIMCOM.out: "AT+CGNSINF" XX:41:32.06 SIMCOM.in: "+CGNSINF: 1,0,19800108234144.000,,,,0.00,0.0,0,,,,,,3,0,,,44,," XX:41:32.06 SIMCOM.in: "OK" XX:41:34.04 SIMCOM.out: "AT+CGNSINF" XX:41:34.04 SIMCOM.in: "+CGNSINF: 1,0,19800108234146.000,,,,0.00,0.0,0,,,,,,3,0,,,44,," XX:41:34.06 SIMCOM.in: "OK" XX:41:34.10 SIMCOM.out: "AT+BTSTATUS?" XX:41:34.10 SIMCOM.in: "+BTSTATUS: 5" XX:41:34.10 SIMCOM.in: "P: 1,"...",XX:XX:XX:XX:XX:XX" XX:41:34.10 SIMCOM.in: "OK" XX:41:36.04 SIMCOM.out: "AT+CGNSINF" XX:41:36.06 SIMCOM.in: "+CGNSINF: 1,0,19800108234149.000,,,,0.00,0.0,0,,,,,,3,0,,,44,," XX:41:36.06 SIMCOM.in: "OK" XX:41:38.04 SIMCOM.out: "AT+CGNSINF" XX:41:38.06 SIMCOM.in: "+CGNSINF: 1,0,19800108234151.000,,,,0.00,0.0,0,,,,,,3,0,,,44,," XX:41:38.06 SIMCOM.in: "OK" XX:41:40.04 SIMCOM.out: "AT+CGNSINF" XX:41:40.07 SIMCOM.in: "+CGNSINF: 1,0,19800108234153.000,,,,0.00,0.0,0,,,,,,4,0,,,44,," XX:41:40.07 SIMCOM.in: "OK" XX:41:40.12 SIMCOM.out: "AT+BTSTATUS?" XX:41:40.12 SIMCOM.in: "+BTSTATUS: 5" XX:41:40.12 SIMCOM.in: "P: 1,"...",XX:XX:XX:XX:XX:XX" XX:41:40.12 SIMCOM.in: "OK" XX:41:42.06 SIMCOM.out: "AT+CGNSINF" XX:41:42.06 SIMCOM.in: "+CGNSINF: 1,0,20180814234154.000,,,,0.00,0.0,0,,,,,,4,0,,,44,," XX:41:42.06 SIMCOM.in: "OK" XX:41:44.04 SIMCOM.out: "AT+CGNSINF" XX:41:44.06 SIMCOM.in: "+CGNSINF: 1,0,20180814234156.000,,,,0.00,0.0,0,,,,,,4,0,,,44,," XX:41:44.06 SIMCOM.in: "OK" XX:41:46.04 SIMCOM.out: "AT+CGNSINF" XX:41:46.06 SIMCOM.in: "+CGNSINF: 1,0,20180814234158.000,,,,0.00,0.0,0,,,,,,4,0,,,44,," XX:41:46.06 SIMCOM.in: "OK" XX:41:46.14 SIMCOM.out: "AT+BTSTATUS?" XX:41:46.14 SIMCOM.in: "+BTSTATUS: 5" XX:41:46.14 SIMCOM.in: "P: 1,"...",XX:XX:XX:XX:XX:XX" XX:41:46.14 SIMCOM.in: "OK" XX:41:48.06 SIMCOM.out: "AT+CGNSINF" XX:41:48.06 SIMCOM.in: "+CGNSINF: 1,0,20180814234200.000,,,,0.24,0.0,0,,,,,,4,0,,,44,," XX:41:48.06 SIMCOM.in: "OK" XX:41:50.04 SIMCOM.out: "AT+CGNSINF" XX:41:50.06 SIMCOM.in: "+CGNSINF: 1,0,20180814234203.000,,,,0.70,0.0,0,,,,,,4,0,,,44,," XX:41:50.06 SIMCOM.in: "OK" XX:41:52.04 SIMCOM.out: "AT+CGNSINF" XX:41:52.06 SIMCOM.in: "+CGNSINF: 1,0,20180814234205.000,,,,0.00,43.0,0,,,,,,4,0,,,44,," XX:41:52.06 SIMCOM.in: "OK" XX:41:52.14 SIMCOM.out: "AT+BTSTATUS?" XX:41:52.14 SIMCOM.in: "+BTSTATUS: 5" XX:41:52.15 SIMCOM.in: "P: 1,"...",XX:XX:XX:XX:XX:XX" XX:41:52.15 SIMCOM.in: "OK" XX:41:54.04 SIMCOM.out: "AT+CGNSINF" XX:41:54.07 SIMCOM.in: "+CGNSINF: 1,0,20180814234206.000,,,,0.00,54.3,0,,,,,,5,0,,,44,," XX:41:54.07 SIMCOM.in: "OK" XX:41:56.03 SIMCOM.out: "AT+CGNSINF" XX:41:56.04 SIMCOM.in: "+CGNSINF: 1,0,20180814234209.000,,,,0.00,54.3,0,,,,,,5,0,,,44,," XX:41:56.04 SIMCOM.in: "OK" XX:41:58.03 SIMCOM.out: "AT+CGNSINF" XX:41:58.06 SIMCOM.in: "+CGNSINF: 1,1,20180814234210.000,XX.XXXXXX,XX.XXXXXX,XX.XXX,X.XX,XXX.X,1,,1.6,1.9,0.9,,6,8 ,,,44,," XX:41:58.06 SIMCOM.in: "OK" ...
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Sep 24 2018, 06:39
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>>>Есть какие-то отличия по части работы с Bluetooth в модулях SIM868 и SIM800C ? >>>На SIM868 не подключается Bluetooth-гарнитура. На SIM800 всё нормально соединяется. Открываем то что обычно никто не читает SIM800 Series_Bluetooth_Application Note_V1.08.pdf И читаем 1.6 Function Differences The current Bluetooth module series can be divided into four platforms, these two platforms to support the Bluetooth function will be different, divided as follows: MTK6260 platforms: SIM800, SIM800H. MTK6261 platforms: SIM808, SIM800C, SIM800F. MTK2503 platforms:SIM868, SIM868E. support Profile All of the SIM800 series module have four basic profiles, they are OPP, HSP/HFP, SPP. For the MTK6260 platform module, support A2DP, AVRCP, PBAP all the roles. For the MTK6261 and MTK2503 platform module, support PBAP all the roles and only supports A2DP, AVRCP mobile role. For the MTK2503 platform module SIM868E, additionally support BLEFMP, BLEPXP, BLESPP, Customer can also define their own GATT server. Multi-device connection For the MTK6260 platform module, supports simultaneous connection of multiple devices, up to 3. For the MTK6261 and MTK2503 platform module, only supports the simultaneous connection of 1 device. The difference of the AT command For the MTK6260 platform module, access to the phone call status of the AT command is: AT+BTCLCC; the default SPP server mode is AT channel mode; Bluetooth open state will be saved when shutdown. For the MTK6261 and MTK2503 platform module, access to the phone call status of the ATcommand is: AT+BTCLCCS; the default SPP server mode is the APP data mode; Bluetooth open state is not saved when shutdown. AT commands of BLE are supported on MTK2503 platform module SIM868E.
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Не можна втрачати надію. Не можна здаватися до останньої миті. Можливо саме вона, остання мить, принесе весну, яка стане початком нового життя.
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3 чел. читают эту тему (гостей: 3, скрытых пользователей: 0)
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