Mikroelektronika d.o.o.
WiFi ESP Click Board
WiFi ESP Click Board
Regular price
£21.60
inc VAT
£18.00
exc VAT
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The WiFi ESP Click Board™ carries the ESP-WROOM-02 module that is based on the ESP8266EX.
The WiFi ESP Click Board™ is designed to run on a 3.3V power supply. It communicates with the target microcontroller over UART interface and the following MikroBUS signals: RST, CS.
Software Support
Code examples for the , written for MikroElektronika hardware and compilers are available on Libstock.
CODE SNIPPET
This code snippet configures GPIO ports, initializes the display and prepares the WiFi module. In an endless loop, LED is enabled or disabled by a button, and that information is then sent to the server.
01 void main() {
02
03 // Initialize variables
04 length = 0;
05 state = 0;
06 response_rcvd = 0;
07 responseID = 0;
08 response = 0;
09 i = 0;
10
11 // GPIO Direction
12 GPIO_Digital_Input( &GPIOA_IDR, _GPIO_PINMASK_4 );
13 GPIO_Digital_Output( &GPIOD_BASE, _GPIO_PINMASK_13 );
14 GPIO_Digital_Output( &GPIOC_BASE, _GPIO_PINMASK_2 );
15 GPIO_Digital_Output( &GPIOA_ODR, _GPIO_PINMASK_0 );
16
17 // UART Initialization
18 UART3_Init_Advanced( 115200, _UART_8_BIT_DATA,
19 _UART_NOPARITY,
20 _UART_ONE_STOPBIT,
21 &_GPIO_MODULE_USART3_PD89);
22
23 // Enable Interrupts
24 RXNEIE_USART3_CR1_bit = 1;
25 NVIC_IntEnable( IVT_INT_USART3 );
26 EnableInterrupts();
27
28 display_init();
29
30 // Initialize WiFI module
31 WiFi_Init();
32
33 // Setting WiFi Mode - SoftAP + station mode
34 WiFI_Configure();
35
36 state = 100;
37 i = 0;
38
39 TFT_Write_Text("Please connect to your STAIP...", 50, 100);
40 Delay_ms(20000);
41 WiFi3_Send();
42 TFT_Write_Text("Entering button toggling loop.", 50, 150);
43
44 LED_switching = 1;
45
46 while( 1 )
47 {
48 // detect logical one on PA4 pin
49 if (Button(&GPIOA_IDR, 4, 1, 1))
50 {
51 oldstate_A4 = 1;
52 }
53 // detect logical one-to-zero transition on PA4 pin
54 if (oldstate_A4 && Button(&GPIOA_IDR, 4, 1, 0))
55 {
56 if ( !strcmp(txt_state_A0, "OFF</p>" ))
57 {
58 strncpy( txt_state_A0, "ON </p>", 8 );
59 GPIOA_ODR.B0 = 1;
60 }
61 else
62 {
63 strncpy( txt_state_A0, "OFF</p>", 8 );
64 GPIOA_ODR.B0 = 0;
65 }
66 oldstate_A4 = 0;
67 A0_change = true;
68 WiFi3_Send();
69 }
70 }
71 }
WiFi ESP Click Board
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