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authorAmaury Pouly <amaury.pouly@gmail.com>2013-07-02 00:42:10 +0200
committerAmaury Pouly <amaury.pouly@gmail.com>2013-07-02 00:45:00 +0200
commit20ee453edce207a4285638f0399926b0b9f506df (patch)
treee5a035e8a841fee8fee3a14a607e31290e48ed28 /apps/plugins/lua/ldebug.h
parentd8024df1052966aa554424d88712244ae5978f2a (diff)
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imx233: fix sd init sequence
Implement the switch function as specified by the specification, that is wait for the response AND transfer 64 bytes of data. This fixes some issue when the SD card take a long time to switch. In particular waiting 100ms (max per spec) will not work if no data is transfered in some cases. Change-Id: Ia22350468018b842e57ce6f6c1a8d676eba97fb8
Diffstat (limited to 'apps/plugins/lua/ldebug.h')
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--[[
             __________               __   ___.
   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
                     \/            \/     \/    \/            \/
 $Id$

 Port of Stopwatch to Lua for touchscreen targets.
 Original copyright: Copyright (C) 2004 Mike Holden

 Copyright (C) 2009 by Maurus Cuelenaere

 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.

 This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 KIND, either express or implied.

]]--

require "actions"
require "buttons"

STOPWATCH_FILE = rb.PLUGIN_APPS_DATA_DIR .. "/stopwatch.dat"


local LapsView = {
    lapTimes = {},
    timer = {
        counting = false,
        prevTotal = 0,
        startAt = 0,
        current = 0
    },
    vp = {
        x = 80,
        y = 0,
        width = rb.LCD_WIDTH - 80,
        height = rb.LCD_HEIGHT,
        font = rb.FONT_UI,
        fg_pattern = rb.lcd_get_foreground()
    },
    scroll = {
        prevY = 0,
        cursorPos = 0
    }
}

function LapsView:init()
    local _, _, h = rb.font_getstringsize("", self.vp.font)

    self.vp.maxLaps = self.vp.height / h
    self.vp.lapHeight = h

    self:loadState()
end

function LapsView:display()
    rb.set_viewport(self.vp)
    rb.clear_viewport()

    local nrOfLaps =  math.min(self.vp.maxLaps, #self.lapTimes)
    rb.lcd_puts_scroll(0, 0, ticksToString(self.timer.current))

    for i=1, nrOfLaps do
        local idx = #self.lapTimes - self.scroll.cursorPos - i + 1
        if self.lapTimes[idx] ~= nil then
            rb.lcd_puts_scroll(0, i, ticksToString(self.lapTimes, idx))
        end
    end

    rb.set_viewport(nil)
end

function LapsView:checkForScroll(btn, x, y)
    if x > self.vp.x and x < self.vp.x + self.vp.width and
       y > self.vp.y and y < self.vp.y + self.vp.height then

        if bit.band(btn, rb.buttons.BUTTON_REL) == rb.buttons.BUTTON_REL then
            self.scroll.prevY = 0
        else
            if #self.lapTimes > self.vp.maxLaps and self.scroll.prevY ~= 0 then
                self.scroll.cursorPos = self.scroll.cursorPos -
                                        (y - self.scroll.prevY) / self.vp.lapHeight

                local maxLaps =  math.min(self.vp.maxLaps, #self.lapTimes)
                if self.scroll.cursorPos < 0 then
                    self.scroll.cursorPos = 0
                elseif self.scroll.cursorPos >= maxLaps then
                    self.scroll.cursorPos = maxLaps
                end
            end

            self.scroll.prevY = y
        end

       return true
    else
        return false
    end
end

function LapsView:incTimer()
    if self.timer.counting then
        self.timer.current = self.timer.prevTotal + rb.current_tick()
                                                  - self.timer.startAt
    else
        self.timer.current = self.timer.prevTotal
    end
end

function LapsView:startTimer()
    self.timer.startAt = rb.current_tick()
    self.timer.currentLap = self.timer.prevTotal
    self.timer.counting = true
end

function LapsView:stopTimer()
    self.timer.prevTotal = self.timer.prevTotal + rb.current_tick()
                                                - self.timer.startAt
    self.timer.counting = false
end

function LapsView:newLap()
    table.insert(self.lapTimes, self.timer.current)
end

function LapsView:resetTimer()
    self.lapTimes = {}
    self.timer.counting = false
    self.timer.current, self.timer.prevTotal, self.timer.startAt = 0, 0, 0
    self.scroll.cursorPos = 0
end

function LapsView:saveState()
    local fd = assert(io.open(STOPWATCH_FILE, "w"))

    for _, v in ipairs({"current", "startAt", "prevTotal", "counting"}) do
        assert(fd:write(tostring(self.timer[v]) .. "\n"))
    end
    for _, v in ipairs(self.lapTimes) do
        assert(fd:write(tostring(v) .. "\n"))
    end

    fd:close()
end

function LapsView:loadState()
    local fd = io.open(STOPWATCH_FILE, "r")
    if fd == nil then return end

    for _, v in ipairs({"current", "startAt", "prevTotal"}) do
        self.timer[v] = tonumber(fd:read("*line"))
    end
    self.timer.counting = toboolean(fd:read("*line"))

    local line = fd:read("*line")
    while line do
        table.insert(self.lapTimes, tonumber(line))
        line = fd:read("*line")
    end

    fd:close()
end