[问答]

怎样去配置USB-WiFi模块呢

问答对人有帮助，内容完整，我也想知道答案 0 USB-WiFi的原理是什么？怎样去配置USB-WiFi模块呢？有哪些配置步骤呢？ 0
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答案对人有帮助，有参考价值 0 原理图上图为USB-WiFi rk3568kernelarcharm64bootdtsrockchiprk3568-evb.dtsi wireless_wlan: wireless-wlan { compatible = "wlan-platdata"; rockchip,grf = <&grf>; wifi_chip_type = ""; //rtl8821cu WIFI,vbat_gpio = <&gpio0 RK_PC1 GPIO_ACTIVE_LOW>; //电源引脚 status = "okay"; }; 第一步，配置WIFI,vbat_gpio = <&gpio0 RK_PC1 GPIO_ACTIVE_LOW>; 可以看到WIFI模块有供电了第二步，串口输入lsu*** 第三步路径：kernelarcharm64bootdtsrockchiprk3568-evb1-ddr4-v10.dtsi 删除sdio-pwrseq,sdmmc1/2和wireless_bluetooth 第四步移植驱动 1.修改成 “rtl8821cu” 放在路径：rk3568kerneldriversnetwirelessrockchip_wlan 2.路径：.kerneldriversnetwirelessrockchip_wlanMakefile obj-$(CONFIG_RTL8821CS) += rtl8821cs/ +obj-$(CONFIG_RTL8821CU) += rtl8821cu/ obj-$(CONFIG_RTL8822BS) += rtl8822bs/ 3.路径：.kerneldriversnetwirelessrockchip_wlanKconfig source "drivers/net/wireless/rockchip_wlan/rtl8821cs/Kconfig" +source "drivers/net/wireless/rockchip_wlan/rtl8821cu/Kconfig" source "drivers/net/wireless/rockchip_wlan/rtl8822bs/Kconfig" 4.路径：.kernelarcharm64configsrockchip_defconfig CONFIG_RTC_DRV_HYM8563=y +CONFIG_BT_RTKBTUSB=y +CONFIG_RTL8821CU=m 5.路径：kerneldriversnetwirelessrockchip_wlanrtl8821cuMakefile ########################## Android ########################### # CONFIG_RTW_ANDROID - 0: no Android, 4/5/6/7/8/9/10/11 : Android version CONFIG_RTW_ANDROID = 11 ifeq ($(shell test $(CONFIG_RTW_ANDROID) -gt 0; echo $$?), 0) EXTRA_CFLAGS += -DCONFIG_RTW_ANDROID=$(CONFIG_RTW_ANDROID) endif ########################## Debug ########################### CONFIG_RTW_DEBUG = y # default log level is _DRV_INFO_ = 4, # please refer to "How_to_set_driver_debug_log_level.doc" to set the available level. CONFIG_RTW_LOG_LEVEL = 2 # enable /proc/net/rtlxxxx/ debug interfaces CONFIG_PROC_DEBUG = y ######################## Wake On Lan ########################## CONFIG_WOWLAN = y #bit3: ARP enable, bit2: deauth, bit1: unicast, bit0: magic pkt. CONFIG_WAKEUP_TYPE = 0xf CONFIG_WOW_LPS_MODE = default #bit0: disBBRF off, #bit1: Wireless remote controller (WRC) CONFIG_SUSPEND_TYPE = 0 CONFIG_WOW_STA_MIX = n CONFIG_GPIO_WAKEUP = y ##### Platform Related ####################### CONFIG_PLATFORM_I386_PC = n CONFIG_PLATFORM_ANDROID_X86 = n CONFIG_PLATFORM_ANDROID_INTEL_X86 = n CONFIG_PLATFORM_JB_X86 = n CONFIG_PLATFORM_ARM_S3C2K4 = n CONFIG_PLATFORM_ARM_PXA2XX = n CONFIG_PLATFORM_ARM_S3C6K4 = n CONFIG_PLATFORM_MIPS_RMI = n CONFIG_PLATFORM_RTD2880B = n CONFIG_PLATFORM_MIPS_AR9132 = n CONFIG_PLATFORM_RTK_DMP = n CONFIG_PLATFORM_MIPS_PLM = n CONFIG_PLATFORM_MSTAR389 = n CONFIG_PLATFORM_MT53XX = n CONFIG_PLATFORM_ARM_MX51_241H = n CONFIG_PLATFORM_FS_MX61 = n CONFIG_PLATFORM_ACTIONS_ATJ227X = n CONFIG_PLATFORM_TEGRA3_CARDHU = n CONFIG_PLATFORM_TEGRA4_DALMORE = n CONFIG_PLATFORM_ARM_TCC8900 = n CONFIG_PLATFORM_ARM_TCC8920 = n CONFIG_PLATFORM_ARM_TCC8920_JB42 = n CONFIG_PLATFORM_ARM_TCC8930_JB42 = n CONFIG_PLATFORM_ARM_RK2818 = n CONFIG_PLATFORM_ARM_RK3066 = n CONFIG_PLATFORM_ARM_RK3188 = y CONFIG_PLATFORM_ARM_URBETTER = n #EFUSE_MAP_PATH USER_EFUSE_MAP_PATH ?= ifneq ($(USER_EFUSE_MAP_PATH),) EXTRA_CFLAGS += -DEFUSE_MAP_PATH="$(USER_EFUSE_MAP_PATH)" else ifeq ($(MODULE_NAME), 8189es) EXTRA_CFLAGS += -DEFUSE_MAP_PATH="/system/etc/wifi/wifi_efuse_8189e.map" else ifeq ($(MODULE_NAME), 8723bs) EXTRA_CFLAGS += -DEFUSE_MAP_PATH="/system/etc/wifi/wifi_efuse_8723bs.map" else EXTRA_CFLAGS += -DEFUSE_MAP_PATH="/vendor/etc/firmware/wifi_efuse_$(MODULE_NAME).map" endif ifeq ($(CONFIG_PLATFORM_ARM_RK3188), y) EXTRA_CFLAGS += -DCONFIG_LITTLE_ENDIAN -DCONFIG_PLATFORM_ANDROID -DCONFIG_PLATFORM_ROCKCHIPS # default setting for Android 4.1, 4.2, 4.3, 4.4 EXTRA_CFLAGS += -DCONFIG_IOCTL_CFG80211 -DRTW_USE_CFG80211_STA_EVENT EXTRA_CFLAGS += -DCONFIG_CONCURRENT_MODE EXTRA_CFLAGS += -DCONFIG_RESUME_IN_WORKQUEUE # default setting for Power control #EXTRA_CFLAGS += -DRTW_ENABLE_WIFI_CONTROL_FUNC ifeq ($(CONFIG_SDIO_HCI), y) EXTRA_CFLAGS += -DRTW_SUPPORT_PLATFORM_SHUTDOWN endif # default setting for Special function ARCH := arm CROSS_COMPILE := /home/android_sdk/Rockchip/Rk3188/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/bin/arm-eabi- KSRC := /home/android_sdk/Rockchip/Rk3188/kernel MODULE_NAME := 8821cu endif 第五步：添加设备ID 路径： static wifi_device supported_wifi_devices[] = { {"RTL8812AU", "0bda:8812"}, {"RTL8821CS", "024c:c821"}, + {"RTL8821CU", "0bda:c820"}, {"RTL8822CU", "0bda:c82c"}, ...... } 第六步：添加模块加载的宏定义路径：.frameworksoptnetwifilibwifi_halwifi_hal_common.cpp #define RTL8821CS_DRIVER_MODULE_PATH WIFI_MODULE_PATH"8821cs.ko" +#define RTL8821CU_DRIVER_MODULE_PATH WIFI_MODULE_PATH"8821cu.ko" #define RTL8822CU_DRIVER_MODULE_PATH WIFI_MODULE_PATH"8822cu.ko" #define RTL8821CS_DRIVER_MODULE_NAME "8821cs" +#define RTL8821CU_DRIVER_MODULE_NAME "8821cu" #define RTL8822CU_DRIVER_MODULE_NAME "8822cu" wifi_ko_file_name module_list[] = {"RTL8821CS", RTL8821CS_DRIVER_MODULE_NAME, RTL8821CS_DRIVER_MODULE_PATH, UNKKOWN_DRIVER_MODULE_ARG}, + {"RTL8821CU", RTL8821CU_DRIVER_MODULE_NAME, RTL8821CU_DRIVER_MODULE_PATH, UNKKOWN_DRIVER_MODULE_ARG}, {"RTL8822CU", RTL8822CU_DRIVER_MODULE_NAME, RTL8822CU_DRIVER_MODULE_PATH, UNKKOWN_DRIVER_MODULE_ARG}, 第七步：修改加载设备节点路径：hardwarerealtekrtkbtvendoretcbluetoothrtkbt.conf #Indicate USB or UART driver bluetooth +BtDeviceNode=/dev/rtkbt_dev +#BtDeviceNode=?/dev/ttyS1:H5 第八步：本机蓝牙设备名称：（默认为rk3566,更改为rk3568:）路径：devicerockchiprk356xbluetoothbdroid_buildcfg.h + //#define BTM_DEF_LOCAL_NAME "rk3566" + #define BTM_DEF_LOCAL_NAME "rk3568"

2022-2-18 11:36:24 评论举报刘悌耀