curuvar commented on code in PR #6850:
URL: https://github.com/apache/incubator-nuttx/pull/6850#discussion_r947134825
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drivers/wireless/ieee80211/bcm43xxx/Kconfig:
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@@ -40,6 +40,35 @@ config IEEE80211_INFINEON_CYW43439
default n
select IEEE80211_BROADCOM_HAVE_CLM
+config CYW43439_FIRMWARE_BIN_PATH
+ string "Path to Infineon 43439 firmware file"
+ depends on IEEE80211_INFINEON_CYW43439
+ default
"${PICO_SDK_PATH}/lib/cyw43-driver/firmware/43439A0-7.95.49.00.combined"
+ ---help---
+ This should be a path to a file containing both the cyw43439
firmware and
+ the CLB blob. The firmware should be padded to a 256 byte
boundary and
+ then the CLM blob should be appended.
+
+ If this file is updated, check the CYW43439_FIRMWARE_LEN and
+ CYW43439_CLM_BLOB_LEN below to make sure they reflect the new,
un-padded
+ lengths of the two parts.
+
+config CYW43439_FIRMWARE_LEN
Review Comment:
The firmware file we get from pico-sdk actually contains two things
concatenated together: the actual firmware and the clm blob. These to parts
are copied to the chip by different methods from different functions. Since the
location of the firmware file is a configurable item, it seemed reasonable that
the length of (at least) the first part was too.
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