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// Dash Interface |
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// |
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// Douglas Thrift |
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// |
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// $Id$ |
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|
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#include <iomanip> |
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#include <iostream> |
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#include <sstream> |
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|
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#include <foreach.hpp> |
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#include <hash.hpp> |
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#include <regex.hpp> |
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#include <scopes.hpp> |
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#include <timing.hpp> |
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|
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#include <Audacious.hpp> |
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#include <GPS.hpp> |
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|
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#include <sys/types.h> |
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#include <sys/sysctl.h> |
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#include <sys/utsname.h> |
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|
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#include <sqlite3.h> |
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|
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#include "Display.hpp" |
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|
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bool debug(false); |
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|
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class DashInterface |
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{ |
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enum Mode { Uname, Music, English, Metric, Nautical, Menu } mode; |
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enum { Running }; |
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Timing::Time now; |
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Display display; |
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Pthreads::ThreadMutex displayLock; |
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//Audacious::Audacious audacious; |
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//GPS::GPS gps; |
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|
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void Mode_(bool change = false) |
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{ |
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switch (mode) |
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{ |
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case Uname: |
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Uname_(change); |
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|
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break; |
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case Music: |
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case English: |
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case Metric: |
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case Nautical: |
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case Menu: |
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break; |
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} |
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} |
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|
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void Uname_(bool change = false) |
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{ |
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if (!now || change) |
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{ |
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utsname os; |
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|
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::uname(&os); |
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|
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static Pcre::RegEx version(_B("^(\\d+\\.\\d+)-([A-Z])[A-Z]*(-p\\d+)?.*$")); |
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Pcre::RegEx::Match match(version(os.release)); |
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|
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display.Set(0, 1, os.sysname + _B(" ") + match[1] + match[2] + match[3]); |
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} |
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|
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int mib[] = { CTL_KERN, KERN_BOOTTIME }; |
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timeval boottime; |
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size_t size(sizeof (boottime)); |
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|
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if (now && ::sysctl(mib, 2, &boottime, &size, NULL, 0) != -1 && boottime.tv_sec != 0) |
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{ |
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time_t uptime(now - boottime.tv_sec); |
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|
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if (uptime > 60) |
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uptime += 30; |
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|
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char *when; |
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int days(uptime / 86400); |
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|
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uptime %= 86400; |
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|
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int hours(uptime / 3600); |
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|
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uptime %= 3600; |
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|
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int minutes(uptime / 60), seconds(uptime % 60); |
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|
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::asprintf(&when, "%i+%02i:%02i:%02i", days, hours, minutes, seconds); |
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|
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std::string then(when); |
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|
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then.append(17 - std::strlen(when), ' '); |
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|
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std::free(when); |
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|
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if (change) |
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display.Set(0, 2, _B("up ") + then); |
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else |
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display.Set(3, 2, then); |
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} |
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else |
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display.Set(0, 2, _B("up -+--:--:-- ")); |
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|
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double averages[3]; |
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|
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if (::getloadavg(averages, 3) == -1 || !now) |
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display.Set(0, 3, _B("-.--, -.--, -.-- ")); |
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else |
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{ |
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char *load; |
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|
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::asprintf(&load, "%.2f, %.2f, %.2f", averages[0], averages[1] , averages[2]); |
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|
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display.Set(0, 3, load + std::string(20 - std::strlen(load), ' ')); |
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|
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std::free(load); |
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} |
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} |
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|
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void Buttons(Display::KeyActivity activity) |
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{ |
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_synchronized (displayLock) |
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if (mode != Menu) |
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{ |
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bool change(false); |
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|
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switch (activity) |
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{ |
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case Display::UpPress: |
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--mode; |
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|
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goto change; |
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case Display::DownPress: |
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++mode; |
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|
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goto change; |
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case Display::LeftPress: |
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std::cerr << _B("Previous") << std::endl; |
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|
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goto update; |
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case Display::RightPress: |
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std::cerr << _B("Next") << std::endl; |
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|
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goto update; |
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case Display::EnterPress: |
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std::cerr << _B("Menu") << std::endl; |
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|
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mode = Menu; |
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|
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goto change; |
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case Display::ExitPress: |
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std::cerr << _B("Play/Pause") << std::endl; |
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|
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goto update; |
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default: |
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return; |
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} |
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|
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change: change = true; |
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|
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update: Mode_(change); |
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} |
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else |
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return; |
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} |
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|
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public: |
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DashInterface(const std::string &device) : mode(Uname), display(device, reinterpret_cast<Display::Callback>(::Buttons), this) |
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{ |
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_synchronized (displayLock) |
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{ |
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display.Clear(); |
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display.SetBacklight(100); |
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display.Set(2, 0, _B("--:--:-- -- ---")); |
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|
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display.Set(Running, Display::Green, 0); |
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display.Set(Running, Display::Red, 100); |
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|
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uint8_t mask(Display::Up | Display::Enter | Display::Cancel | Display::Left | Display::Right | Display::Down); |
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|
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display.KeyReporting(mask, mask); |
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|
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Uname_(); |
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|
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display.Store(); |
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display.Set(Running, Display::Green, 100); |
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display.Set(Running, Display::Red, 0); |
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} |
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} |
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|
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void Run() |
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{ |
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_forever |
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{ |
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_synchronized (displayLock) |
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{ |
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now = Timing::GetTimeOfDay(); |
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|
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if (mode != Menu) |
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{ |
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char when[16]; |
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|
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std::strftime(when, sizeof (when), "%l:%M:%S %p %Z", std::localtime(now)); |
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|
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display.Set(2, 0, when); |
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} |
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|
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Mode_(); |
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} |
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|
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Timing::NanoSleep(Timing::Time(1) -= Timing::GetTimeOfDay().GetNanoseconds()); |
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} |
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} |
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|
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friend void Buttons(Display::KeyActivity activity, DashInterface *interface) |
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{ |
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interface->Buttons(activity); |
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} |
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|
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inline friend Mode &operator ++(Mode &mode) |
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{ |
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return mode = Mode((mode + 1) % Menu); |
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} |
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|
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inline friend Mode &operator --(Mode &mode) |
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{ |
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return mode = Mode((Menu + mode - 1) % Menu); |
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} |
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}; |
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|
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int main(int argc, char *argv[]) |
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{ |
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std::string device; |
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|
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{ |
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Pcre::RegEx devicePath(_B("^-device=(/.+)$")); |
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Pcre::RegEx deviceNumber(_B("^-device=([0-9]+)$")); |
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Pcre::RegEx deviceName(_B("^-device=(.+)$")); |
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|
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for (char **arg = argv + 1; *arg; ++arg) |
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{ |
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Pcre::RegEx::Match match; |
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|
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if (*arg == _B("-debug")) |
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debug = true; |
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else if (match = devicePath(*arg)) |
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device = match[1]; |
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else if (match = deviceNumber(*arg)) |
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device = _B("/dev/cuaU") + match[1]; |
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else if (match = deviceName(*arg)) |
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device = _B("/dev/") + match[1]; |
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else |
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goto usage; |
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} |
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} |
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|
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if (device.empty()) |
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{ |
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usage: std::cout << _B("Usage: ") << argv[0] << _B(" [-debug] [-device=device]") << std::endl; |
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|
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return 2; |
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} |
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|
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try |
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{ |
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DashInterface interface(device); |
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|
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interface.Run(); |
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} |
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catch (const std::exception &exception) |
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{ |
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std::cerr << argv[0] << _B(": ") << exception.what() << std::endl; |
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|
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return 1; |
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} |
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|
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return 0; |
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} |
