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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