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Hi,
I have a MCU to connect Cybt-343026-01 via puart. I want to upgrade bt modul’s FW. For example, puart receive a defined command, then transmit the needed fw data via puart. Is it Ok? I know I can use HCI uart command, but now I just connect mcu to bt via puart. and I see “wicked-hci-protocol” and “hci-uar-spi-bridge“ exampl, need SPI? I’m confuse.just connect mcu to bt via puart ok or no? or need other hardware pin needed?
Solved! Go to Solution.
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Yes. It should be OK. Please be aware that the puart can only be used for upgrade. If you want to download FW, you must use the HCI UART with flow control.
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You can upgrade the FW through OTA, SPI or UART. But we only have code example for OTA.
Please refer to the doc/WICED Firmware Upgrade Library.pdf in the SDK for some details.
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I see. So MCU with cybt343026-01 only connect with puart is OK(four pins). Right? No need other hardware connection?
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Yes. It should be OK. Please be aware that the puart can only be used for upgrade. If you want to download FW, you must use the HCI UART with flow control.