“ESP 32 Examples Study”的版本间的差异

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第10行： 第10行：
  
 
== station ==
 
== station ==
 +
Programing flow
 +
<source lang="c">
 +
static esp_err_t event_handler(void *ctx, system_event_t *event)
 +
{
 +
    switch(event->event_id) {
 +
    case SYSTEM_EVENT_STA_START:
 +
        esp_wifi_connect();
 +
        break;
 +
    case SYSTEM_EVENT_STA_GOT_IP:
 +
        ESP_LOGI(TAG, "got ip:%s",
 +
                ip4addr_ntoa(&event->event_info.got_ip.ip_info.ip));
 +
        s_retry_num = 0;
 +
        xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
 +
        break;
 +
    case SYSTEM_EVENT_STA_DISCONNECTED:
 +
        {
 +
            if (s_retry_num < EXAMPLE_ESP_MAXIMUM_RETRY) {
 +
                esp_wifi_connect();
 +
                xEventGroupClearBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
 +
                s_retry_num++;
 +
                ESP_LOGI(TAG,"retry to connect to the AP");
 +
            }
 +
            ESP_LOGI(TAG,"connect to the AP fail\n");
 +
            break;
 +
        }
 +
    default:
 +
        break;
 +
    }
 +
    return ESP_OK;
 +
}
 +
 +
wifi_station_init() {
 +
    s_wifi_event_group = xEventGroupCreate();
 +
 +
    tcpip_adapter_init();
 +
    esp_event_loop_init(event_handler, NULL);
 +
 +
    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
 +
    esp_wifi_init(&cfg);
 +
 +
    wifi_config_t wifi_config = {
 +
        .sta = {
 +
            .ssid = EXAMPLE_ESP_WIFI_SSID,
 +
            .password = EXAMPLE_ESP_WIFI_PASS
 +
        },
 +
    };
 +
 +
    esp_wifi_set_mode(WIFI_MODE_STA);
 +
    esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config);
 +
    esp_wifi_start();
 +
}
 +
</source>
 
Log:
 
Log:
 
<source lang="c">
 
<source lang="c">
第105行： 第157行：
  
 
== softwareAp ==
 
== softwareAp ==
 +
programong flow
 +
<source lang="c">
 +
static esp_err_t event_handler(void *ctx, system_event_t *event)
 +
{
 +
    switch(event->event_id) {
 +
    case SYSTEM_EVENT_AP_STACONNECTED:
 +
        ESP_LOGI(TAG, "station:"MACSTR" join, AID=%d",
 +
                MAC2STR(event->event_info.sta_connected.mac),
 +
                event->event_info.sta_connected.aid);
 +
        break;
 +
    case SYSTEM_EVENT_AP_STADISCONNECTED:
 +
        ESP_LOGI(TAG, "station:"MACSTR"leave, AID=%d",
 +
                MAC2STR(event->event_info.sta_disconnected.mac),
 +
                event->event_info.sta_disconnected.aid);
 +
        break;
 +
    default:
 +
        break;
 +
    }
 +
    return ESP_OK;
 +
}
 +
 +
void wifi_init_softap()
 +
{
 +
    s_wifi_event_group = xEventGroupCreate();
 +
 +
    tcpip_adapter_init();
 +
    esp_event_loop_init(event_handler, NULL);
 +
 +
    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
 +
    ESP_ERROR_CHECK(esp_wifi_init(&cfg));
 +
 +
    wifi_config_t wifi_config = {
 +
        .ap = {
 +
            .ssid = EXAMPLE_ESP_WIFI_SSID,
 +
            .ssid_len = strlen(EXAMPLE_ESP_WIFI_SSID),
 +
            .password = EXAMPLE_ESP_WIFI_PASS,
 +
            .max_connection = EXAMPLE_MAX_STA_CONN,
 +
            .authmode = WIFI_AUTH_WPA_WPA2_PSK
 +
        },
 +
    };
 +
    if (strlen(EXAMPLE_ESP_WIFI_PASS) == 0) {
 +
        wifi_config.ap.authmode = WIFI_AUTH_OPEN;
 +
    }
 +
 +
    esp_wifi_set_mode(WIFI_MODE_AP);
 +
    esp_wifi_set_config(ESP_IF_WIFI_AP, &wifi_config);
 +
    esp_wifi_start();
 +
 +
}
 +
</source>
 
Log
 
Log
 
<source lang="c">
 
<source lang="c">

2020年3月1日 (日) 22:30的最后版本

Blink

GPIO demo 

gpio_pad_select_gpio(BLINK_GPIO);
gpio_set_direction(BLINK_GPIO, GPIO_MODE_OUTPUT);
gpio_set_level(BLINK_GPIO, 0);

modify main/Kconfig.projbuild 

#define BLINK_GPIO CONFIG_BLINK_GPIO
  range 0 34
  default 5	==> 21 for my EVB

station

Programing flow 

static esp_err_t event_handler(void *ctx, system_event_t *event)
{
    switch(event->event_id) {
    case SYSTEM_EVENT_STA_START:
        esp_wifi_connect();
        break;
    case SYSTEM_EVENT_STA_GOT_IP:
        ESP_LOGI(TAG, "got ip:%s",
                 ip4addr_ntoa(&event->event_info.got_ip.ip_info.ip));
        s_retry_num = 0;
        xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
        break;
    case SYSTEM_EVENT_STA_DISCONNECTED:
        {
            if (s_retry_num < EXAMPLE_ESP_MAXIMUM_RETRY) {
                esp_wifi_connect();
                xEventGroupClearBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
                s_retry_num++;
                ESP_LOGI(TAG,"retry to connect to the AP");
            }
            ESP_LOGI(TAG,"connect to the AP fail\n");
            break;
        }
    default:
        break;
    }
    return ESP_OK;
}
 
wifi_station_init() {
    s_wifi_event_group = xEventGroupCreate();
 
    tcpip_adapter_init();
    esp_event_loop_init(event_handler, NULL);
 
    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
    esp_wifi_init(&cfg);
 
    wifi_config_t wifi_config = {
        .sta = {
            .ssid = EXAMPLE_ESP_WIFI_SSID,
            .password = EXAMPLE_ESP_WIFI_PASS
        },
    };
 
    esp_wifi_set_mode(WIFI_MODE_STA);
    esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config);
    esp_wifi_start();
}

Log: 

rst:0x1 (POWERON_RESET),boot:0x12 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:2
load:0x3fff0018,len:4
load:0x3fff001c,len:6804
load:0x40078000,len:14076
load:0x40080400,len:4304
entry 0x400806e8
I (71) boot: Chip Revision: 1
I (72) boot_comm: chip revision: 1, min. bootloader chip revision: 0
I (40) boot: ESP-IDF v4.0-dirty 2nd stage bootloader
I (40) boot: compile time 00:25:36
I (40) boot: Enabling RNG early entropy source...
I (45) boot: SPI Speed      : 40MHz
I (49) boot: SPI Mode       : DIO
I (53) boot: SPI Flash Size : 2MB
I (57) boot: Partition Table:
I (61) boot: ## Label            Usage          Type ST Offset   Length
I (68) boot:  0 nvs              WiFi data        01 02 00009000 00006000
I (75) boot:  1 phy_init         RF data          01 01 0000f000 00001000
I (83) boot:  2 factory          factory app      00 00 00010000 00100000
I (90) boot: End of partition table
I (94) boot_comm: chip revision: 1, min. application chip revision: 0
I (101) esp_image: segment 0: paddr=0x00010020 vaddr=0x3f400020 size=0x1494c ( 84300) map
I (141) esp_image: segment 1: paddr=0x00024974 vaddr=0x3ffb0000 size=0x0326c ( 12908) load
I (146) esp_image: segment 2: paddr=0x00027be8 vaddr=0x40080000 size=0x00400 (  1024) load
0x40080000: _WindowOverflow4 at C:/esp-idf/components/freertos/xtensa_vectors.S:1778
 
I (148) esp_image: segment 3: paddr=0x00027ff0 vaddr=0x40080400 size=0x08020 ( 32800) load
I (170) esp_image: segment 4: paddr=0x00030018 vaddr=0x400d0018 size=0x65424 (414756) map
0x400d0018: _stext at ??:?
 
I (319) esp_image: segment 5: paddr=0x00095444 vaddr=0x40088420 size=0x0ccac ( 52396) load
0x40088420: ppRxPkt at ??:?
 
I (354) boot: Loaded app from partition at offset 0x10000
I (354) boot: Disabling RNG early entropy source...
I (354) cpu_start: Pro cpu up.
I (358) cpu_start: Application information:
I (363) cpu_start: Project name:     wifi_station
I (368) cpu_start: App version:      v4.0-dirty
I (373) cpu_start: Compile time:     Feb 24 2020 00:25:18
I (380) cpu_start: ELF file SHA256:  2518224bf889f5ed...
I (386) cpu_start: ESP-IDF:          v4.0-dirty
I (391) cpu_start: Starting app cpu, entry point is 0x40081260
0x40081260: call_start_cpu1 at C:/esp-idf/components/esp32/cpu_start.c:272
 
I (0) cpu_start: App cpu up.
I (401) heap_init: Initializing. RAM available for dynamic allocation:
I (408) heap_init: At 3FFAE6E0 len 00001920 (6 KiB): DRAM
I (414) heap_init: At 3FFB9198 len 00026E68 (155 KiB): DRAM
I (420) heap_init: At 3FFE0440 len 00003AE0 (14 KiB): D/IRAM
I (427) heap_init: At 3FFE4350 len 0001BCB0 (111 KiB): D/IRAM
I (433) heap_init: At 400950CC len 0000AF34 (43 KiB): IRAM
I (439) cpu_start: Pro cpu start user code
I (458) spi_flash: detected chip: generic
I (458) spi_flash: flash io: dio
W (458) spi_flash: Detected size(4096k) larger than the size in the binary image header(2048k). Using the size in the binary image header.
I (469) cpu_start: Starting scheduler on PRO CPU.
I (0) cpu_start: Starting scheduler on APP CPU.
I (543) wifi station: ESP_WIFI_MODE_STA
I (563) wifi: wifi driver task: 3ffc0b14, prio:23, stack:3584, core=0
I (563) system_api: Base MAC address is not set, read default base MAC address from BLK0 of EFUSE
I (563) system_api: Base MAC address is not set, read default base MAC address from BLK0 of EFUSE
I (593) wifi: wifi firmware version: 581f422
I (593) wifi: config NVS flash: enabled
I (593) wifi: config nano formating: disabled
I (593) wifi: Init dynamic tx buffer num: 32
I (593) wifi: Init data frame dynamic rx buffer num: 32
I (603) wifi: Init management frame dynamic rx buffer num: 32
I (603) wifi: Init management short buffer num: 32
I (613) wifi: Init static rx buffer size: 1600
I (613) wifi: Init static rx buffer num: 10
I (623) wifi: Init dynamic rx buffer num: 32
I (713) phy: phy_version: 4180, cb3948e, Sep 12 2019, 16:39:13, 0, 0
I (713) wifi: mode : sta (bc:dd:c2:d0:20:90)
I (723) wifi station: wifi_init_sta finished.
I (843) wifi: new:<3,1>, old:<1,0>, ap:<255,255>, sta:<3,1>, prof:1
I (843) wifi: state: init -> auth (b0)
I (843) wifi: state: auth -> assoc (0)
I (853) wifi: state: assoc -> run (10)
I (1303) wifi: connected with ASUS81951, aid = 5, channel 3, 40U, bssid = 30:5a:3a:a1:e0:48
I (1303) wifi: security type: 3, phy: bgn, rssi: -42
I (1303) wifi: pm start, type: 1
 
I (1333) wifi: AP's beacon interval = 102400 us, DTIM period = 1
I (2043) tcpip_adapter: sta ip: 172.17.0.123, mask: 255.255.255.0, gw: 172.17.0.1
I (2043) wifi station: got ip:172.17.0.123
I (2043) wifi station: connected to ap SSID:ASUS81951 password:0282214863

softwareAp

programong flow 

static esp_err_t event_handler(void *ctx, system_event_t *event)
{
    switch(event->event_id) {
    case SYSTEM_EVENT_AP_STACONNECTED:
        ESP_LOGI(TAG, "station:"MACSTR" join, AID=%d",
                 MAC2STR(event->event_info.sta_connected.mac),
                 event->event_info.sta_connected.aid);
        break;
    case SYSTEM_EVENT_AP_STADISCONNECTED:
        ESP_LOGI(TAG, "station:"MACSTR"leave, AID=%d",
                 MAC2STR(event->event_info.sta_disconnected.mac),
                 event->event_info.sta_disconnected.aid);
        break;
    default:
        break;
    }
    return ESP_OK;
}
 
void wifi_init_softap()
{
    s_wifi_event_group = xEventGroupCreate();
 
    tcpip_adapter_init();
    esp_event_loop_init(event_handler, NULL);
 
    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
    ESP_ERROR_CHECK(esp_wifi_init(&cfg));
 
    wifi_config_t wifi_config = {
        .ap = {
            .ssid = EXAMPLE_ESP_WIFI_SSID,
            .ssid_len = strlen(EXAMPLE_ESP_WIFI_SSID),
            .password = EXAMPLE_ESP_WIFI_PASS,
            .max_connection = EXAMPLE_MAX_STA_CONN,
            .authmode = WIFI_AUTH_WPA_WPA2_PSK
        },
    };
    if (strlen(EXAMPLE_ESP_WIFI_PASS) == 0) {
        wifi_config.ap.authmode = WIFI_AUTH_OPEN;
    }
 
    esp_wifi_set_mode(WIFI_MODE_AP);
    esp_wifi_set_config(ESP_IF_WIFI_AP, &wifi_config);
    esp_wifi_start();
 
}

Log 

rst:0x1 (POWERON_RESET),boot:0x12 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:2
load:0x3fff0018,len:4
load:0x3fff001c,len:6804
load:0x40078000,len:14076
load:0x40080400,len:4304
entry 0x400806e8
I (71) boot: Chip Revision: 1
I (71) boot_comm: chip revision: 1, min. bootloader chip revision: 0
I (39) boot: ESP-IDF v4.0-dirty 2nd stage bootloader
I (39) boot: compile time 00:44:22
I (40) boot: Enabling RNG early entropy source...
I (44) boot: SPI Speed      : 40MHz
I (49) boot: SPI Mode       : DIO
I (53) boot: SPI Flash Size : 2MB
I (57) boot: Partition Table:
I (60) boot: ## Label            Usage          Type ST Offset   Length
I (67) boot:  0 nvs              WiFi data        01 02 00009000 00006000
I (75) boot:  1 phy_init         RF data          01 01 0000f000 00001000
I (82) boot:  2 factory          factory app      00 00 00010000 00100000
I (90) boot: End of partition table
I (94) boot_comm: chip revision: 1, min. application chip revision: 0
I (101) esp_image: segment 0: paddr=0x00010020 vaddr=0x3f400020 size=0x147cc ( 83916) map
I (140) esp_image: segment 1: paddr=0x000247f4 vaddr=0x3ffb0000 size=0x0326c ( 12908) load
I (146) esp_image: segment 2: paddr=0x00027a68 vaddr=0x40080000 size=0x00400 (  1024) load
0x40080000: _WindowOverflow4 at C:/esp-idf/components/freertos/xtensa_vectors.S:1778
 
I (147) esp_image: segment 3: paddr=0x00027e70 vaddr=0x40080400 size=0x081a0 ( 33184) load
I (170) esp_image: segment 4: paddr=0x00030018 vaddr=0x400d0018 size=0x651e8 (414184) map
0x400d0018: _stext at ??:?
 
I (318) esp_image: segment 5: paddr=0x00095208 vaddr=0x400885a0 size=0x0cb2c ( 52012) load
0x400885a0: ppCalTxAMPDULength at ??:?
 
I (353) boot: Loaded app from partition at offset 0x10000
I (353) boot: Disabling RNG early entropy source...
I (354) cpu_start: Pro cpu up.
I (357) cpu_start: Application information:
I (362) cpu_start: Project name:     wifi_softAP
I (367) cpu_start: App version:      v4.0-dirty
I (373) cpu_start: Compile time:     Feb 24 2020 00:43:56
I (379) cpu_start: ELF file SHA256:  f91187939d235192...
I (385) cpu_start: ESP-IDF:          v4.0-dirty
I (390) cpu_start: Starting app cpu, entry point is 0x40081260
0x40081260: call_start_cpu1 at C:/esp-idf/components/esp32/cpu_start.c:272
 
I (0) cpu_start: App cpu up.
I (400) heap_init: Initializing. RAM available for dynamic allocation:
I (407) heap_init: At 3FFAE6E0 len 00001920 (6 KiB): DRAM
I (413) heap_init: At 3FFB9180 len 00026E80 (155 KiB): DRAM
I (420) heap_init: At 3FFE0440 len 00003AE0 (14 KiB): D/IRAM
I (426) heap_init: At 3FFE4350 len 0001BCB0 (111 KiB): D/IRAM
I (432) heap_init: At 400950CC len 0000AF34 (43 KiB): IRAM
I (438) cpu_start: Pro cpu start user code
I (457) spi_flash: detected chip: generic
I (457) spi_flash: flash io: dio
W (457) spi_flash: Detected size(4096k) larger than the size in the binary image header(2048k). Using the size in the binary image header.
I (468) cpu_start: Starting scheduler on PRO CPU.
I (0) cpu_start: Starting scheduler on APP CPU.
I (540) wifi softAP: ESP_WIFI_MODE_AP
I (560) wifi: wifi driver task: 3ffc0b5c, prio:23, stack:3584, core=0
I (560) system_api: Base MAC address is not set, read default base MAC address from BLK0 of EFUSE
I (560) system_api: Base MAC address is not set, read default base MAC address from BLK0 of EFUSE
I (590) wifi: wifi firmware version: 581f422
I (590) wifi: config NVS flash: enabled
I (590) wifi: config nano formating: disabled
I (590) wifi: Init dynamic tx buffer num: 32
I (590) wifi: Init data frame dynamic rx buffer num: 32
I (600) wifi: Init management frame dynamic rx buffer num: 32
I (600) wifi: Init management short buffer num: 32
I (610) wifi: Init static rx buffer size: 1600
I (610) wifi: Init static rx buffer num: 10
I (610) wifi: Init dynamic rx buffer num: 32
I (720) phy: phy_version: 4180, cb3948e, Sep 12 2019, 16:39:13, 0, 0
I (720) wifi: mode : softAP (bc:dd:c2:d0:20:91)
I (720) wifi: Total power save buffer number: 16
I (720) wifi: Init max length of beacon: 752/752
I (730) wifi: Init max length of beacon: 752/752
I (730) wifi softAP: wifi_init_softap finished. SSID:myssid password:mypassword	
		-- when connect device --
I (75750) wifi: new:<1,1>, old:<1,0>, ap:<1,1>, sta:<255,255>, prof:1
I (75750) wifi: station: 14:a5:1a:23:8c:a3 join, AID=1, bgn, 40U
I (75810) wifi softAP: station 14:a5:1a:23:8c:a3 join, AID=1
I (76290) tcpip_adapter: softAP assign IP to station,IP is: 192.168.4.2
来自“https://www.mywiki.cn/free6d1823/index.php?title=ESP_32_Examples_Study&oldid=48619”