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Dependencies: 4DGL-uLCD-SE SDFileSystem
main.cpp
- Committer:
- kswanson31
- Date:
- 2016-09-23
- Revision:
- 3:99acbebbed6c
- Parent:
- 2:20b2a7eb4bd8
- Child:
- 4:f5bc5d9a790b
File content as of revision 3:99acbebbed6c:
#include "mbed.h" AnalogOut aout(p18); AnalogIn ain(p15); DigitalOut led1(LED1); DigitalOut led2(LED2); DigitalOut led3(LED3); DigitalOut led4(LED4); int main() { // part 1 const double pi = 3.141592653589793238462; const double amplitude = 1.0f; const double offset = 65535/2; // 0xFFFF/2 double rads = 0.0; uint16_t sample = 0; while(1) { // analog out for (int i = 0; i < 720; i++) { rads = (pi * i) / 180.0f; sample = (uint16_t)(amplitude * (offset * (cos(rads + pi))) + offset); aout.write_u16(sample); } // analog in led1 = (ain > 0.2f) ? 1 : 0; led2 = (ain > 0.4f) ? 1 : 0; led3 = (ain > 0.6f) ? 1 : 0; led4 = (ain > 0.8f) ? 1 : 0; wait(.01); } /* part 5 // demo from https://docs.mbed.com/docs/mbed-os-api-reference/en/5.1/APIs/communication/network_sockets/ printf("Example network-socket HTTP client\n"); // Brings up the network interface eth.connect(); const char *ip = eth.get_ip_address(); const char *mac = eth.get_mac_address(); printf("IP address is: %s\n", ip ? ip : "No IP"); printf("MAC address is: %s\n", mac ? mac : "No MAC"); // Open a socket on the network interface, and create a TCP connection to mbed.org socket.open(ð); socket.connect("developer.mbed.org", 80); // Send a simple http request char sbuffer[] = "GET / HTTP/1.1\r\nHost: developer.mbed.org\r\n\r\n"; int scount = socket.send(sbuffer, sizeof sbuffer); printf("sent %d [%.*s]\r\n", scount, strstr(sbuffer, "\r\n")-sbuffer, sbuffer); // Recieve a simple http response and print out the response line char rbuffer[64]; int rcount = socket.recv(rbuffer, sizeof rbuffer); printf("recv %d [%.*s]\r\n", rcount, strstr(rbuffer, "\r\n")-rbuffer, rbuffer); // Close the socket to return its memory and bring down the network interface socket.close(); eth.disconnect(); printf("Done\n"); */ }