Heon Jeong
Dependencies: EthernetNetIf TextLCD mbed HTTPClient
Revision 0:d73b14dd8351, committed 2011-06-01
- Comitter:
- blmarket
- Date:
- Wed Jun 01 00:49:54 2011 +0000
- Commit message:
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/CSVParser.cpp Wed Jun 01 00:49:54 2011 +0000
@@ -0,0 +1,25 @@
+#include "CSVParser.h"
+
+using namespace std;
+
+std::vector<std::pair<std::string,std::string> > CSVParser::fields; // field id, description pair vector.
+
+StockData* CSVParser::parseResult(const char *indata)
+{
+ StockData *ret = new StockData;
+
+ memcpy(ret->buffer, indata, 256);
+ ret->buffer[255] = 0;
+
+ char *ptr = strtok(ret->buffer, ",");
+ for(int i=0;i<fields.size();i++)
+ {
+ if(ptr == NULL) break;
+
+ printf("%s : %s\n", fields[i].second.c_str(), ptr);
+ ret->field[i] = ptr;
+ ptr = strtok(NULL, ",");
+ }
+
+ return ret;
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/CSVParser.h Wed Jun 01 00:49:54 2011 +0000
@@ -0,0 +1,28 @@
+#include "mbed.h"
+#include <string>
+#include <vector>
+
+struct StockData;
+
+class CSVParser
+{
+public:
+ static std::vector<std::pair<std::string,std::string> > fields; // field id, description pair vector.
+ static StockData* parseResult(const char *data);
+
+ static const int nFields = 7;
+};
+
+struct StockData
+{
+private:
+ char buffer[256];
+
+public:
+ char *field[CSVParser::nFields];
+
+ friend class CSVParser;
+};
+
+
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EthernetNetIf.lib Wed Jun 01 00:49:54 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mamezu/code/EthernetNetIf/#0f6c82fcde82
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/HTTPClient.lib Wed Jun 01 00:49:54 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mamezu/code/HTTPClient/#62fac7f06c8d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Wed Jun 01 00:49:54 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/dreschpe/code/TextLCD/#a7c74d4c6911
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Jun 01 00:49:54 2011 +0000
@@ -0,0 +1,262 @@
+#include "mbed.h"
+#include "CSVParser.h"
+#include "EthernetNetIf.h"
+#include "HTTPClient.h"
+#include "TextLCD.h"
+#include <vector>
+#include <functional>
+
+#define ARRAYSIZE(arr) (int)(sizeof(arr) / sizeof(arr[0]))
+#define min(a,b) (((a)<(b))?(a):(b))
+
+typedef void (*menuftn)(void *);
+
+using namespace std;
+
+DigitalOut myled(LED1);
+Serial pc(USBTX, USBRX);
+EthernetNetIf eth;
+/*
+(
+ IpAddr(110,76,72,244), //IP Address
+ IpAddr(255,255,255,0), //Network Mask
+ IpAddr(110,76,72,1), //Gateway
+ IpAddr(143,248,1,177) //DNS
+);
+*/
+HTTPClient http;
+TextLCD lcd(p21, p23, p22, p27, p28, p29, p30); // rs, rw, e, d0-d3
+
+vector<StockData *> stocks;
+
+void donothing(void *) {}
+
+void fetchStockData(void *)
+{
+ lcd.cls();
+ lcd.printf("Fetching...");
+ stocks.clear();
+
+ HTTPText txt;
+ HTTPResult r2 = http.get("http://download.finance.yahoo.com/d/quotes.csv?f=snl1d1c1p2&e=.csv&s=000660.KS,067250.KS", &txt);
+ if(r2 == HTTP_OK)
+ {
+ printf("HTTP_OK\n");
+
+ char data[1024];
+ int len = strlen(txt.gets());
+
+ if(len >= 1024)
+ {
+ pc.printf("Result too Long!\n");
+ return;
+ }
+
+ strcpy(data, txt.gets());
+ int prevpos = 0;
+ for(int i=0;i<len;i++)
+ {
+ if(data[i] == 13 && data[i+1] == 10)
+ {
+ data[i]=0;
+ stocks.push_back(CSVParser::parseResult(data + prevpos)); // needs to be freed using delete
+ prevpos = i+2;
+ }
+ }
+ }
+ else
+ {
+ pc.printf("Error %d\n", r2);
+ }
+}
+
+void clearStocks() { for(int i=0;i<stocks.size();i++) delete stocks[i]; stocks.clear(); }
+
+void showMenu(int menucnt, const char *menus[], int cursor, int screenpos)
+{
+ if(menucnt == 0) return;
+ lcd.cls();
+ lcd.printf("%s\n", menus[screenpos]);
+ lcd.printf("%s\n", menus[(screenpos+1)%menucnt]);
+ lcd.locate(15, cursor==screenpos?0:1);
+ lcd.putc(0);
+}
+
+void showStock(StockData *data)
+{
+ char menu[20][50];
+ char *menuptr[20];
+
+ int menucnt = min(CSVParser::fields.size(),20);
+
+ for(int i=0;i<menucnt;i++)
+ {
+ sprintf(menu[i], "%s : %s", CSVParser::fields[i].second.c_str(), data->field[i]);
+ menuptr[i] = menu[i];
+ }
+
+ int cursor = 0;
+ while(true)
+ {
+ lcd.cls();
+ lcd.printf("%s\n", menuptr[cursor]);
+ char ch = getchar();
+ switch(ch)
+ {
+ case 'i':
+ return;
+ case 'j':
+ cursor = (cursor + 1) % menucnt;
+ break;
+ case 'k':
+ cursor = (cursor - 1 + menucnt) % menucnt;
+ break;
+ }
+ }
+ return;
+}
+
+void listStocks(void *)
+{
+ const char *menu[20];
+ int menucnt = stocks.size();
+ for(int i=0;i<menucnt;i++)
+ menu[i] = stocks[i]->field[1];
+
+ if(menucnt == 0) return;
+
+ int cursor = 0, screenpos = 0;
+ while(true)
+ {
+ showMenu(menucnt, menu, cursor, screenpos);
+ char ch = getchar();
+ switch(ch)
+ {
+ case 'i':
+ return;
+ case 'j':
+ if(screenpos != cursor)
+ {
+ screenpos = (screenpos + 1) % menucnt;
+ }
+ cursor = (cursor + 1) % menucnt;
+ break;
+ case 'k':
+ if(screenpos == cursor)
+ {
+ cursor = (cursor - 1 + menucnt) % menucnt;
+ screenpos = cursor;
+ }
+ else
+ {
+ cursor = (cursor - 1 + menucnt) % menucnt;
+ }
+ break;
+ case 32: // space
+ showStock(stocks[cursor]);
+ break;
+ }
+ }
+}
+
+void startMenu(void *)
+{
+ int pattern[8];
+ pattern[0] = 0x1;
+ pattern[1] = 0x3;
+ pattern[2] = 0x7;
+ pattern[3] = 0xf;
+ pattern[4] = 0xf;
+ pattern[5] = 0x7;
+ pattern[6] = 0x3;
+ pattern[7] = 0x1;
+
+ lcd.writeCGRAM(0, pattern);
+
+ //lcd.locate(15,0);
+ //lcd.putc(0); // user pattern 0
+
+ const char *menu[] = { "Get Data", "List Data", "Do Some", "Menu Test" };
+ menuftn ftn[] = { fetchStockData, listStocks, donothing, donothing };
+ int menucnt = 4;
+
+ int cursor = 0, screenpos = 0;
+
+ while(true)
+ {
+ showMenu(menucnt, menu, cursor, screenpos);
+
+ char ch = getchar();
+ switch(ch)
+ {
+ case 'j':
+ if(screenpos != cursor)
+ {
+ screenpos = (screenpos + 1) % menucnt;
+ }
+ cursor = (cursor + 1) % menucnt;
+ break;
+ case 'k':
+ if(screenpos == cursor)
+ {
+ cursor = (cursor - 1 + menucnt) % menucnt;
+ screenpos = cursor;
+ }
+ else
+ {
+ cursor = (cursor - 1 + menucnt) % menucnt;
+ }
+ break;
+ case 32: // space
+ ftn[cursor](NULL);
+ break;
+ }
+ }
+}
+
+int main()
+{
+ lcd.cls();
+ /* setting fields information of Yahoo! finance */
+ char *fields[] = { "s", "n", "l1", "d1", "c1", "p2" };
+ char *desc[] = { "Symbol", "Name", "Last Trade", "Last Trade Date", "Change", "Change in Percent" };
+
+ lcd.printf("Init...");
+
+ pc.baud(9600);
+ EthernetErr ethErr = eth.setup();
+ if(ethErr)
+ {
+ pc.printf("Error %d in setup.\n", ethErr);
+ return -1;
+ }
+ pc.printf("\r\nSetup OK\r\n");
+
+ pc.printf("CSVParser Fields Input\r\n");
+
+ CSVParser::fields.clear();
+
+ for(int i=0;i<ARRAYSIZE(fields);i++)
+ {
+ pc.printf("pushing %s %s\n", fields[i], desc[i]);
+ CSVParser::fields.push_back(make_pair(fields[i], desc[i]));
+ }
+
+ pc.printf("CSVParser Setup OK\r\n");
+
+ lcd.cls();
+
+ startMenu(NULL);
+
+/*
+ for(int i=0;i<min(2, stocks.size());i++)
+ {
+ StockData *data = stocks[stocks.size()-1-i];
+ lcd.printf("%s\n",data->field[1]);
+ }
+*/
+
+ clearStocks();
+
+ while(1) {}
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Jun 01 00:49:54 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/63bcd7ba4912