crosstyan/zephyr_llcc68_driver
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feat(llcc68): make payload limit configurable

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Add CONFIG_LLCC68_MAX_PAYLOAD_LENGTH with a default of 128 bytes and a hardware-bounded range of 1..255.

Wire both the C++ and raw C LLCC68 payload buffer constants to the Kconfig value so application builds can tune radio buffer RAM without editing headers.

Rename the fixed-length 100k preset from GMSK to GFSK and expose rx_bandwidth_hz() next to the GfskRxBandwidth enum so applications can report configured bandwidth without carrying driver-specific lookup tables.
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crosstyan
2026-05-20 11:57:37 +08:00
parent f8836dd1b1
commit ce56757dac
4 changed files with 63 additions and 3 deletions
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drivers/llcc68/Kconfig
+11
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@@ -14,6 +14,17 @@ config LLCC68_INIT_PRIORITY
The priority of the LLCC68 initialization. Lower numbers indicate
higher priority.
config LLCC68_MAX_PAYLOAD_LENGTH
int "LLCC68 maximum payload length"
default 128
range 1 255
help
Maximum radio payload length accepted by the LLCC68 driver.
The LLCC68 packet length fields support up to 255 bytes. Keep this
lower when the application has a known payload ceiling to reduce RAM
used by the driver's SPI staging buffers.
config LLCC68_ALWAYS_USE_SX1262_HIGH_PA
bool "LLCC68 Always Use SX1262 High Power Amplifier"
default y