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AI-Talk开发板之wifi scan

news 2025/5/15 21:43:13

一、说明

  AI-Talk开发板使用ESP32-C3扩展WIFI通信功能，与CSK6011A通过SPI接口通信。

与处理器的信号连接：

 ESP32-C3需要烧录hosted固件，参考：AI-Talk开发板更新ESP32固件_esp32 固件-CSDN博客

二、工程

1、创建项目

进入examples/目录，执行创建项目的命令：

lisa zep create

选择 wifi_scan_ap，然后确定。此时examples目录下有一个wifi_scan_ap的工程，目录结构如下：

2、设备树

        这个例程是基于csk6011a_c3_nano硬件平台，设备树文件为snap/lisa/x1/.listenai/csk-sdk-v2/csk/boards/arm/csk6011a_c3_nano/csk6011a_c3_nano.dts，但是硬件配置和AI-Talk开发板不一致。这里在项目下创建一个设备树覆盖文件，重新配置SPI、leds、gpio_keys。

在wifi_scan_ap根目录下创建boards目录，并增加csk6011a_c3_nano.overlay设备树配置文件：

wifi_scan_ap
├─boards //设备树板型文件└─csk6011a_c3_nano.overlay  //设备树配置文件
...

在csk6011a_c3_nano.overlay文件中添加spi0节点的配置，具体内容如下：

/** Copyright (c) 2023 Anhui(Shenzhen) Listenai Co., Ltd.** SPDX-License-Identifier: Apache-2.0*/#include <zephyr/dt-bindings/adc/adc.h>/ {aliases {csk6-exmcu = &csk6_ch32v003;};leds {compatible = "gpio-leds";green_led: led1 {gpios = <&exgpioa 2 GPIO_ACTIVE_LOW>;};};gpio_keys {compatible = "gpio-keys";user_button_0: button_0 {gpios = <&gpiob 0 0>;};};                        
};&pinctrl {pinctrl_i2c1_scl_default: i2c1_scl_default{pinctrls = <I2C1_SCL_GPIOB_09>;};pinctrl_i2c1_sda_default: i2c1_sda_default{pinctrls = <I2C1_SDA_GPIOB_08>;};pinctrl_spi0_sclk_default: spi0_sclk_default {pinctrls = <SPI0_CLK_GPIOB_05>;};pinctrl_spi0_miso_default: spi0_miso_default{pinctrls = <SPI0_MISO_GPIOB_03>;}; pinctrl_spi0_mosi_default: spi0_mosi_default {pinctrls = <SPI0_MOSI_GPIOB_02>;};pinctrl_spi0_cs_default: spi0_cs_default {pinctrls = <SPI0_CS_N_GPIOB_04>;};};&spi0 {pinctrl-0 = <&pinctrl_spi0_sclk_default &pinctrl_spi0_mosi_default &pinctrl_spi0_miso_default &pinctrl_spi0_cs_default>;pinctrl-names = "default";status = "okay";wifi_module: esp32c3@0 {compatible = "espressif,esp-hosted";spi-max-frequency = <25000000>;reg = <0>;dataready-gpios = <&gpiob 6 0>;handshake-gpios = <&gpiob 1 0>;reset-gpios = <&exgpioc 3 0>;status = "okay";};
};&i2c1 {status = "okay";pinctrl-0 = <&pinctrl_i2c1_scl_default &pinctrl_i2c1_sda_default>;pinctrl-names = "default";csk6_ch32v003: csk6_ch32v003@6c {/*** Please make sure that the external MCU firmware has been loaded* SCL --> external MCU PC5* SDA --> external MCU PC6*/compatible = "listenai,csk-i2c-ch32v003";reg = <0x6c>;status = "okay";#address-cells = <1>;#size-cells = <0>;/* CH32V003-GPIOA */exgpioa: gpio@0 {compatible = "listenai,csk-gpio-ch32003-port";reg = <0x00>;status = "okay";ngpios = <8>;#gpio-cells = <2>;gpio-controller;pin_mask = <0x00>;};/* CH32V003-GPIOB */exgpiob: gpio@1 {compatible = "listenai,csk-gpio-ch32003-port";reg = <0x01>;status = "okay";ngpios = <8>;#gpio-cells = <2>;gpio-controller;pin_mask = <0x00>;};/* CH32V003-GPIOC */exgpioc: gpio@2 {compatible = "listenai,csk-gpio-ch32003-port";reg = <0x02>;status = "okay";ngpios = <8>;#gpio-cells = <2>;gpio-controller;pin_mask = <0x00>;};/* CH32V003-GPIOD */exgpiod: gpio@3 {compatible = "listenai,csk-gpio-ch32003-port";reg = <0x03>;status = "okay";ngpios = <8>;#gpio-cells = <2>;gpio-controller;pin_mask = <0x00>;};exadc: adc@4 {/*** external adc channel map** CH0 --> PA2* CH1 --> PA1* CH2 --> PC4* CH3 --> PD2* CH4 --> PD3* CH5 --> PD5* CH6 --> PD6* CH7 --> PD4**/compatible = "listenai,csk-adc-ch32v003";reg = <0x4>;status = "okay";#io-channel-cells = <1>;#address-cells = <1>;#size-cells = <0>;channel@2 {reg = <2>;zephyr,gain = "ADC_GAIN_1";zephyr,reference = "ADC_REF_INTERNAL";zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;zephyr,resolution = <10>;};};expwm: pwm-controller@5 {compatible = "listenai,csk-ch32v003-pwm";reg = <0x5>;status = "okay";clock-prescaler = <480>;clock-frequency = <48000000>;#pwm-cells = <4>;};};};

由于snap/lisa/x1/.listenai/csk-sdk-v2/csk/boards/arm/csk6011a_nano/csk6011a_c3_nano.dts文件中定义了wifi_module，与csk6011a_c3_nano.overlay中定义的wifi_module冲突了，将csk6011a_c3_nano.dts中wifi_module相关的注释屏蔽掉：

&spi1 {pinctrl-0 = <&pinctrl_spi1_sclk_default &pinctrl_spi1_mosi_default &pinctrl_spi1_miso_default &pinctrl_spi1_cs_default>; pinctrl-names = "default";status = "okay";
//        wifi_module: esp32c3@0 {
//                compatible = "espressif,esp-hosted";
//		spi-max-frequency = <25000000>;
//		reg = <0>;
//                dataready-gpios = <&gpioa 11 0>;
//                handshake-gpios = <&gpioa 16 0>;
//                reset-gpios = <&gpioa 10 0>;
//                status = "okay";
//        };
};
3、配置文件

prj.conf文件打开GPIO_CSK6_CH32V003的配置：

CONFIG_GPIO_CSK6_CH32V003=y
4、代码

代码不做修改。

三、编译

在wifi_scan_ap目录下执行编译命令：

lisa zep build -b csk6011a_c3_nano

编译生成的固件：examples/wifi_scan_ap/build/zephyr/zephyr.bin  

四、烧录 

固件的烧录及查看运行日志参照：AI-Talk开发板CSK6固件烧录-CSDN博客

五、运行

连接AI-Talk开发板的调试接口，PC端运行终端软件可以接收到如下日志：

[00:00:00.000,000] <inf> csk6_spi: SPI REG ADDR:0x45500000
[00:00:00.000,000] <inf> csk6_spi: SPI REG ADDR:0x45400000
[00:00:00.000,000] <inf> csk6_exmcu_i2c: exmcu addr:0x6C
[00:00:00.040,000] <inf> csk6_exmcu_i2c: exmcu info, chip type:ch32v003, ver:1.3
*** Booting Zephyr OS build zephyr-v3.4.0-46-gb8fcc47cc045 ***
*** ListenAI CSK SDK Version: 2.0.0.0-f097b7f9df ***
[00:00:00.084,000] <dbg> csk_wifi: wifi_obj_set_sm: (97)STA_SM: current[WIFI_SM_ON_STARTUP], next[WIFI_SM_ON_STARTUP]
Firmware Version: 0.4, commit: 77c953e
App EVENT: ESP INIT
[00:00:02.654,000] <dbg> csk_wifi: wifi_obj_set_sm: (97)STA_SM: current[WIFI_SM_ON_STARTUP], next[WIFI_SM_STARTUP_DONE]
[00:00:02.665,000] <dbg> csk_wifi: wifi_obj_set_sm: (97)STA_SM: current[WIFI_SM_STARTUP_DONE], next[WIFI_SM_STA_ON_SCAN]
[00:00:04.555,000] <dbg> csk_wifi: wifi_obj_set_sm: (97)STA_SM: current[WIFI_SM_STA_ON_SCAN], next[WIFI_SM_STA_SCAN_DONE]
[00:00:04.555,000] <dbg> csk_wifi: wifi_command_handler: wifi_scan_list scan_list.count = 11
scan done
--------------------------------------------Scan AP list---------------------------------------------
|ssid: CMCC-2106                         | bssid: 90:76:9f:23:a3:58      | channel: 1    | rssi: -57|
|ssid:                                   | bssid: 92:76:9f:43:a3:58      | channel: 1    | rssi: -58|
|ssid: CMCC-5EnZ                         | bssid: 48:ca:c6:82:5f:84      | channel: 11   | rssi: -68|
|ssid: 1-1-2206                          | bssid: 78:60:5b:f7:bc:ca      | channel: 11   | rssi: -71|
|ssid:                                   | bssid: 82:60:5b:f7:bc:ca      | channel: 11   | rssi: -71|
|ssid: CMCC-QzDF                         | bssid: 94:28:6f:bb:10:9f      | channel: 6    | rssi: -78|
|ssid:                                   | bssid: 96:28:6f:9b:10:9f      | channel: 6    | rssi: -78|
|ssid: TP-LINK_5031                      | bssid: 4c:10:d5:5a:50:31      | channel: 1    | rssi: -81|
|ssid: TPGuest_5031                      | bssid: 4e:10:d5:5b:50:31      | channel: 1    | rssi: -81|
|ssid: Xiaomi_B953                       | bssid: a4:39:b3:89:b9:54      | channel: 1    | rssi: -82|
|ssid:                                   | bssid: 96:28:6f:1b:3e:cb      | channel: 6    | rssi: -85|
-----------------------------------------------------------------------------------------------------
[00:00:05.555,000] <dbg> csk_wifi: wifi_obj_set_sm: (97)STA_SM: current[WIFI_SM_STA_SCAN_DONE], next[WIFI_SM_STA_ON_SCAN]
[00:00:07.444,000] <dbg> csk_wifi: wifi_obj_set_sm: (97)STA_SM: current[WIFI_SM_STA_ON_SCAN], next[WIFI_SM_STA_SCAN_DONE]
[00:00:07.444,000] <dbg> csk_wifi: wifi_command_handler: wifi_scan_list scan_list.count = 11
scan done
--------------------------------------------Scan AP list---------------------------------------------
|ssid: CMCC-2106                         | bssid: 90:76:9f:23:a3:58      | channel: 1    | rssi: -58|
|ssid:                                   | bssid: 92:76:9f:43:a3:58      | channel: 1    | rssi: -58|
|ssid:                                   | bssid: 82:60:5b:f7:bc:ca      | channel: 11   | rssi: -71|
|ssid:                                   | bssid: 96:28:6f:9b:10:9f      | channel: 6    | rssi: -79|
|ssid: TPGuest_5031                      | bssid: 4e:10:d5:5b:50:31      | channel: 1    | rssi: -81|
|ssid: Xiaomi_B953                       | bssid: a4:39:b3:89:b9:54      | channel: 1    | rssi: -83|
|ssid: CMCC-dGN7                         | bssid: 94:28:6f:1b:3e:cb      | channel: 6    | rssi: -84|
|ssid:                                   | bssid: 96:28:6f:1b:3e:cb      | channel: 6    | rssi: -84|
|ssid:                                   | bssid: f6:f6:47:91:c3:7a      | channel: 6    | rssi: -92|
|ssid: CMCC-Uw9e                         | bssid: 80:3e:48:02:81:6c      | channel: 11   | rssi: -92|
|ssid: CMCC-2901                         | bssid: f4:d9:c6:00:6f:6a      | channel: 1    | rssi: -93|
-----------------------------------------------------------------------------------------------------

会不断的扫描周围的路由器，并且显示信号强度。 

六、遇到问题

        由于焊接错误导致CSK6011A的19脚（RST）和20脚（GPIOB_05）短路，造成只要配置SPI0相关的GPIOB_02、GPIOB_03、GPIOB_04、GPIOB_05，芯片就无法启动，并且VDD_CORE的电压为0.54V，正常应该为0.95V。


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