Jovan Jovanovic 2019/0469
Dependencies: 19E042PIM_MB_PINS
Revision 0:01c4b34da6d2, committed 2022-01-17
- Comitter:
- dzombah
- Date:
- Mon Jan 17 16:12:11 2022 +0000
- Commit message:
- ; Jovan Jovanovic 2019/0469
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/19E042PIM_MB_PINS.lib Mon Jan 17 16:12:11 2022 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/tzwell/code/19E042PIM_MB_PINS/#5722459a201f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main1.txt Mon Jan 17 16:12:11 2022 +0000 @@ -0,0 +1,97 @@ +// biblioteke za uvoz: +#include "mbed.h" + +//pinovi +#define A PA_10 +#define B PA_9 +#define C PA_8 +#define D PB_10 +#define E PB_5 +#define F PB_4 +#define G PB_3 +#define SEL1 PB_6 +#define SEL2 PC_7 +#define SW1 PC_9 +#define SW2 PC_8 + +//makroi: +#define WAITTIME_MS 1 + +// globalne promenjive: +BusOut display (A,B,C,D,E,F,G); +BusOut select (SEL2,SEL1); +DigitalIn Dugme1 (SW1); +DigitalIn Dugme2 (SW2); + +//definicije funkcija: +void konvertor (int num){ + switch(num){ + case 0:display = 0b1000000;break; + case 1:display = 0b1111001;break; + case 2:display = 0b0100100;break; + case 3:display = 0b0110000;break; + case 4:display = 0b0011001;break; + case 5:display = 0b0010010;break; + case 6:display = 0b0000010;break; + case 7:display = 0b1111000;break; + case 8:display = 0b0000000;break; + case 9:display = 0b0010000;break; + default:display = 0x7f; break; + } + } + + +void ispisi(int num){ + int j = num%10, d = num/10; + if(d==0) + konvertor(-1); + else + konvertor(d); + select = 01; + wait_ms(WAITTIME_MS); + konvertor(j); + select = 10; + wait_ms(WAITTIME_MS); +} + + + + +//pomocne promenjive +int lastDugme1=1,lastDugme2=1; +int lastlastDugme1=1,lastlastDugme2=1; +int brojac=0; + + +// glavna funkcija: + +int main(){ + //Default vrednosti za sve ugaseno + display = 1111111; + select = 111; + + while(1){ + + ispisi(brojac); + + + if(lastlastDugme1==0 && lastDugme1==0 && Dugme1==1) + brojac=(brojac+1)%11; + + if(lastlastDugme2==0 && lastDugme2==0 && Dugme2==1) + brojac=(brojac+10)%11; + + + lastlastDugme1=lastDugme1; + lastlastDugme2=lastDugme2; + + lastDugme1=Dugme1; + lastDugme2=Dugme2; + + } + + } + + + + \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main2.txt Mon Jan 17 16:12:11 2022 +0000 @@ -0,0 +1,99 @@ +// biblioteke za uvoz: +#include "mbed.h" + +//makroi: + +#define WAITTIME_MS 1 + + +const int n = 5000; +const int k = -4995; + +//Pinovi: +#define A PA_10 +#define B PA_9 +#define C PA_8 +#define D PB_10 +#define E PB_5 +#define F PB_4 +#define G PB_3 +#define SEL1 PB_6 +#define SEL2 PC_7 +#define SW1 PC_9 +#define POT1 PA_0 +#define POT2 PA_1 +#define BUZZ PA_11 +#define LD2 PB_15 + +//Promenjive: +PwmOut buzzer (BUZZ); +InterruptIn sw1 (SW1); +AnalogIn pot1 (POT1); +AnalogIn pot2 (POT2); +BusOut display (A,B,C,D,E,F,G); +BusOut select (SEL2,SEL1); + + + + + +//Definisanje funkcija: + + + +void konvertor (int num){ + switch(num){ + case 0:display = 0b1000000;break; + case 1:display = 0b1111001;break; + case 2:display = 0b0100100;break; + case 3:display = 0b0110000;break; + case 4:display = 0b0011001;break; + case 5:display = 0b0010010;break; + case 6:display = 0b0000010;break; + case 7:display = 0b1111000;break; + case 8:display = 0b0000000;break; + case 9:display = 0b0010000;break; + default:display = 0x7f; break; + + } +} + + +void ispisi(int num){ + int j = num%10,d = num/10; + if(d==0) + konvertor(-1); + else + konvertor(d); + select = 0b01; + wait_ms(WAITTIME_MS); + konvertor(j); + select = 0b10; + wait_ms(WAITTIME_MS); + +} + +void ISR_sw1(){ + + ispisi(pot1* 10); +} + + + +//Glavna funkcija: +int main(){ + + + + + + + while(1){ + + buzzer=pot1.read(); + buzzer.period_us(n + k*pot2.read()); + wait_ms(50); + + sw1.fall(&ISR_sw1); + } +} \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main3.txt Mon Jan 17 16:12:11 2022 +0000 @@ -0,0 +1,206 @@ +/* + * Program implements MQTT client on a NUCLEO-L476RG board + * using arm mbed-mqtt library and ESP-WROOM-02 WiFi modem. + * + * University of Belgrade - School of Electrical Engineering + * Department of Electronics + * Bulevar Kralja Aleksandra 73, 11120 Belgrade, Serbia + * + * November 2021. + * + */ + +#include "mbed.h" +#include "mb_pins.h" +#include "platform/mbed_thread.h" +#include "MQTTClientMbedOs.h" + + +// LED2 blinking rate: +#define BLINKING_RATE_MS 250 +// Scaler to 3v3L +#define VOLTAGE_SCALER 3.3f +// Client yield timeout in miliseconds: +#define YIELD_TIMEOUT_MS 1000 +// Maximum number of networks to scan for: +#define MAX_NETWORKS 15 +// Small delay for network information printing: +#define PRINTF_DELAY_MS 10 + + +// Left potentiometer: +AnalogIn pot1(MB_POT1); +// Left button on the motherboard: +InterruptIn sw1(MB_SW1); +// Right LED on the motherboard: +DigitalOut led2(MB_LED2); +// Pointer to a WiFi network object: +WiFiInterface *wifi; +// Creating TCP socket: +TCPSocket socket; +// Creating MQTT client using the TCP socket; +MQTTClient client(&socket); +// Message handler: +MQTT::Message message; + +char* topic = " pubpim"; +char* topic_sub = " subpim"; +// Counter of arrived messages: +int arrivedcount = 0; +// Flag indicating that button is not pressed: +int button_pressed=0; +// HiveMQ broker connectivity information: +const char* hostname = "pim-24"; +int port = 1883; +// Returning a string for a provided network encryption: +const char *sec2str(nsapi_security_t sec) +{ + switch (sec) + { + case NSAPI_SECURITY_NONE: + return "None"; + case NSAPI_SECURITY_WEP: + return "WEP"; + case NSAPI_SECURITY_WPA: + return "WPA"; + case NSAPI_SECURITY_WPA2: + return "WPA2"; + case NSAPI_SECURITY_WPA_WPA2: + return "WPA/WPA2"; + case NSAPI_SECURITY_UNKNOWN: + default: + return "Unknown"; + } +} + +int scan_networks(WiFiInterface *wifi) +{ + printf("Scan:\n"); + + // Scan only for the number of networks, first parameter is NULL: + int count = wifi->scan(NULL, 0); + // If there are no networks, count == 0, if there is an error, counter < 0: + if (count <= 0) + { + printf("scan() failed with return value: %d\n", count); + return 0; + } + + // Limit number of network arbitrary to some reasonable number: + count = count < MAX_NETWORKS ? count : MAX_NETWORKS; + + // Create a local pointer to an object, which is an array of WiFi APs: + WiFiAccessPoint *ap = new WiFiAccessPoint[count]; + // Now scan again for 'count' networks and populate the array of APs: + count = wifi->scan(ap, count); + + // This time, the number of entries to 'ap' is returned: + if (count <= 0) + { + printf("scan() failed with return value: %d\n", count); + return 0; + } + + // Print out the parameters of each AP: + for (int i = 0; i < count; i++) + { + printf("Network: %s secured: %s BSSID: %hhX:%hhX:%hhX:%hhx:%hhx:%hhx RSSI: %hhd Ch: %hhd\n", ap[i].get_ssid(), + sec2str(ap[i].get_security()), ap[i].get_bssid()[0], ap[i].get_bssid()[1], ap[i].get_bssid()[2], + ap[i].get_bssid()[3], ap[i].get_bssid()[4], ap[i].get_bssid()[5], ap[i].get_rssi(), ap[i].get_channel()); + thread_sleep_for(PRINTF_DELAY_MS); + } + printf("%d networks available.\n", count); + + // Since 'ap' is dynamically allocated pointer to the array of objects, it + // needs to be deleted: + delete[] ap; + return count; +} + +void messageArrived(MQTT::MessageData& md) +{ + MQTT::Message &message = md.message; + //printf("Message arrived: qos %d, retained %d, dup %d, packetid %d\r\n", message.qos, message.retained, message.dup, message.id); + printf("Message from the browser: %.*s\r\n", message.payloadlen, (char*)message.payload); + ++arrivedcount; +} + +void buttonFunction() { + + button_pressed=1; + +} + +int main() +{ + // Set the interrupt event: + sw1.fall(&buttonFunction); + + // Create a default network interface: + wifi = WiFiInterface::get_default_instance(); + if (!wifi) { + printf("ERROR: No WiFiInterface found.\n"); + return -1; + } + + // Scan for available networks and aquire information about Access Points: + int count = scan_networks(wifi); + if (count == 0) { + printf("No WIFI APs found - can't continue further.\n"); + return -1; + } + + // Connect to the network with the parameters specified in 'mbed_app.json': + printf("\nConnecting to %s...\n", MBED_CONF_APP_WIFI_SSID); + int ret = wifi->connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2); + if (ret != 0) { + printf("\nConnection error: %d\n", ret); + return -1; + } + + // Print out the information aquired: + printf("Success\n\n"); + printf("MAC: %s\n", wifi->get_mac_address()); + printf("IP: %s\n", wifi->get_ip_address()); + printf("Netmask: %s\n", wifi->get_netmask()); + printf("Gateway: %s\n", wifi->get_gateway()); + printf("RSSI: %d\n\n", wifi->get_rssi()); + + // Open TCP socket using WiFi network interface: + socket.open(wifi); + // Connect to the HiveMQ broker: + socket.connect(hostname, port); + // Fill connect data with default values: + MQTTPacket_connectData data = MQTTPacket_connectData_initializer; + // Change only ID and protocol version: + data.MQTTVersion = 3; + data.clientID.cstring = "NUCLEO-L476RG-60"; + + // Connect the + int rc = 0; + if ((rc = client.connect(data)) != 0) + printf("rc from MQTT connect is %d\r\n", rc); + + if ((rc = client.subscribe(topic_sub, MQTT::QOS2, messageArrived)) != 0) + printf("rc from MQTT subscribe is %d\r\n", rc); + + while (true) { + // Show that the loop is running by switching motherboard LED2: + led2 = !led2; + thread_sleep_for(BLINKING_RATE_MS); + if (button_pressed==1) { + button_pressed=0; + // QoS 0 + char buf[100]; + sprintf(buf, "V(POT1) = %1.2f\r\n", pot1*VOLTAGE_SCALER); + message.qos = MQTT::QOS0; + message.retained = false; + message.dup = false; + message.payload = (void*)buf; + message.payloadlen = strlen(buf)+1; + client.publish(topic, message); + } + // Need to call yield API to maintain connection: + client.yield(YIELD_TIMEOUT_MS); + } +} \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-mqtt.lib Mon Jan 17 16:12:11 2022 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-mqtt/#7fa219e87b3355e8a6fd281659697fe3a0c87630
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Mon Jan 17 16:12:11 2022 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#e4b81f67f939a0c0b11c147ce74aa367271e1279
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed_app.json Mon Jan 17 16:12:11 2022 +0000 @@ -0,0 +1,25 @@ +{ + "config": { + "wifi-ssid": { + "help": "WIFI SSID", + "value": "\"cvele97\"" + }, + "wifi-password": { + "help": "Wifi Password", + "value": "\"ekonomskitigar2022\"" + } + }, + "target_overrides": { + "*": { + "platform.stdio-convert-newlines": true + }, + "NUCLEO_L476RG": { + "target.network-default-interface-type": "WIFI", + "esp8266.tx" : "PC_4", + "esp8266.rx" : "PC_5", + "esp8266.provide-default" : true, + "drivers.uart-serial-rxbuf-size" : 1024, + "drivers.uart-serial-txbuf-size" : 1024 + } + } +} \ No newline at end of file