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readme: sco-over-hci works on esp32 at least since esp-idf 4.3

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Matthias Ringwald 2021-07-08 15:21:23 +02:00
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README.md
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@ -93,7 +93,7 @@ Cypress CYW43xxx | Dual mode + Wifi | H4, H5 | Don't know |
Cypress PSoC 4 | LE | H4 | n.a. | | HCI Firmware part of PSoC Creator kit examples
Dialog Semiconductor DA14581, DA14585 | LE | H4, SPI | n.a. | da14581 | Official HCI firmware used
Dialog Semiconductor DA1469x | LE | H4, SPI | n.a | | HCI Firmware part of DA1469x SDK
Espressif ESP32 | Dual mode | VHCI | Not yet | | SoC with Bluetooth and Wifi
Espressif ESP32 | Dual mode | VHCI | Yes | | SoC with Bluetooth and Wifi
EM 9301, 9304 | LE | SPI | n.a. | em9301 | Custom HCI SPI implementation
Intel Dual Wireless 3165, 8260, 8265 | Dual mode | USB | Probably | intel | Firmware size: 400 kB
Nordic nRF | LE | H4 | n.a. | | Requires custom HCI firmware

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chipset/README.md
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@ -67,7 +67,7 @@ Cypress PSoC 4 | LE | H4 | Don't know | n.a.
Dialog DA14581 | LE | H4, SPI | No | n.a. | No | No | n.a. | Don't know | da14581 | Official HCI firmware included in BTstack
Dialog DA14585 | LE | H4, SPI | No | n.a. | Yes | Yes | n.a. | Yes | da14581 | Official HCI firmware included in BTstack
Dialog DA1469x | LE | H4, SPI | No | n.a. | Yes | Yes | n.a. | Yes | da14581 | HCI Firmware part of DA1469x SDK
Espressif ESP32 | Dual mode + Wifi | VHCI | Yes | Not yet | Yes | Yes | Yes | Don't know | | SoC with Bluetooth and Wifi
Espressif ESP32 | Dual mode + Wifi | VHCI | Yes | Yes | Yes | Yes | Yes | Don't know | | SoC with Bluetooth and Wifi
EM 9301 | LE | SPI, H4 | No | n.a. | No | No | n.a. | Don't know | em9301 | Custom HCI SPI implementation
EM 9304 | LE | SPI, H4 | Yes | n.a. | Yes | Yes | n.a. | Don't know | em9301 | Custom HCI SPI implementation
Intel Dual Wireless 3165, 8260, 8265 | Dual mode | USB | Yes | Probably | Don't know | Don't know | Don't know | Don't know | intel | Firmware size: 400 kB
@ -171,7 +171,8 @@ The newer DA1469x uses an external flash. The DA 1469x SDK contains a HCI firmwa
## Espressif ESP32
The ESP32 is a SoC with a built-in Dual mode Bluetooth and Wifi radio. The HCI Controller is implemented in software and accessed via a so called Virtual HCI (VHCI) interface. It supports both LE Data Length Extensions (DLE) as well as multiple LE roles. SCO isn't supported currently, but [Espressif is working on it](https://github.com/espressif/esp-idf/issues/1118).
The ESP32 is a SoC with a built-in Dual mode Bluetooth and Wifi radio. The HCI Controller is implemented in software and accessed via a so called Virtual HCI (VHCI) interface.
It supports both LE Data Length Extensions (DLE) as well as multiple LE roles. Since ESP-IDF v4.3, SCO-over-HCI is usable for HSP/HFP.
## EM Microelectronic Marin