Junichi Katsu
編集中のプログラムです。 一時的にパブリッシュしました。 タッチパネル部分は未確認です。 It is a program while editing it. To pass it to the person, it shared.
touch.cpp@0:f5f8e3417215, 2010-11-28 (annotated)
- Committer:
- jksoft
- Date:
- Sun Nov 28 09:17:14 2010 +0000
- Revision:
- 0:f5f8e3417215
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| jksoft | 0:f5f8e3417215 | 1 | /* |
| jksoft | 0:f5f8e3417215 | 2 | Touchpad driver. |
| jksoft | 0:f5f8e3417215 | 3 | |
| jksoft | 0:f5f8e3417215 | 4 | CPV, 3/9/2009 |
| jksoft | 0:f5f8e3417215 | 5 | */ |
| jksoft | 0:f5f8e3417215 | 6 | |
| jksoft | 0:f5f8e3417215 | 7 | #include "touch.h" |
| jksoft | 0:f5f8e3417215 | 8 | |
| jksoft | 0:f5f8e3417215 | 9 | |
| jksoft | 0:f5f8e3417215 | 10 | void TouchpadChannel::initialise(int min, int quantise_step) |
| jksoft | 0:f5f8e3417215 | 11 | { |
| jksoft | 0:f5f8e3417215 | 12 | m_min = min; |
| jksoft | 0:f5f8e3417215 | 13 | m_quantise_step = quantise_step; |
| jksoft | 0:f5f8e3417215 | 14 | m_filter.initialise(8); |
| jksoft | 0:f5f8e3417215 | 15 | m_quantised = -1; |
| jksoft | 0:f5f8e3417215 | 16 | } |
| jksoft | 0:f5f8e3417215 | 17 | |
| jksoft | 0:f5f8e3417215 | 18 | |
| jksoft | 0:f5f8e3417215 | 19 | int TouchpadChannel::quantise(void) |
| jksoft | 0:f5f8e3417215 | 20 | { |
| jksoft | 0:f5f8e3417215 | 21 | m_quantised = -1; |
| jksoft | 0:f5f8e3417215 | 22 | int raw = m_filter(); |
| jksoft | 0:f5f8e3417215 | 23 | |
| jksoft | 0:f5f8e3417215 | 24 | if (raw>m_min) |
| jksoft | 0:f5f8e3417215 | 25 | { |
| jksoft | 0:f5f8e3417215 | 26 | m_quantised = 0; |
| jksoft | 0:f5f8e3417215 | 27 | |
| jksoft | 0:f5f8e3417215 | 28 | while(raw>m_quantise_step) |
| jksoft | 0:f5f8e3417215 | 29 | { |
| jksoft | 0:f5f8e3417215 | 30 | raw -= m_quantise_step; |
| jksoft | 0:f5f8e3417215 | 31 | m_quantised += 1; |
| jksoft | 0:f5f8e3417215 | 32 | } |
| jksoft | 0:f5f8e3417215 | 33 | } |
| jksoft | 0:f5f8e3417215 | 34 | return m_quantised; |
| jksoft | 0:f5f8e3417215 | 35 | } |
| jksoft | 0:f5f8e3417215 | 36 | |
| jksoft | 0:f5f8e3417215 | 37 | |
| jksoft | 0:f5f8e3417215 | 38 | //=============================================== |
| jksoft | 0:f5f8e3417215 | 39 | |
| jksoft | 0:f5f8e3417215 | 40 | |
| jksoft | 0:f5f8e3417215 | 41 | Touchpad::Touchpad(PinName x0, PinName x1, PinName y0, PinName y1) |
| jksoft | 0:f5f8e3417215 | 42 | { |
| jksoft | 0:f5f8e3417215 | 43 | m_x0 = x0; |
| jksoft | 0:f5f8e3417215 | 44 | m_x1 = x1; |
| jksoft | 0:f5f8e3417215 | 45 | m_y0 = y0; |
| jksoft | 0:f5f8e3417215 | 46 | m_y1 = y1; |
| jksoft | 0:f5f8e3417215 | 47 | m_ch_x.initialise(0.1*0xffff,0.16*0xffff); |
| jksoft | 0:f5f8e3417215 | 48 | m_ch_y.initialise(0.1*0xffff,0.22*0xffff); |
| jksoft | 0:f5f8e3417215 | 49 | } |
| jksoft | 0:f5f8e3417215 | 50 | |
| jksoft | 0:f5f8e3417215 | 51 | |
| jksoft | 0:f5f8e3417215 | 52 | int Touchpad::read(PinName drive_hi, PinName drive_lo, PinName read_hi, PinName read_lo) |
| jksoft | 0:f5f8e3417215 | 53 | { |
| jksoft | 0:f5f8e3417215 | 54 | DigitalOut out1(drive_hi); |
| jksoft | 0:f5f8e3417215 | 55 | DigitalOut out0(drive_lo); |
| jksoft | 0:f5f8e3417215 | 56 | AnalogIn in1(read_hi); |
| jksoft | 0:f5f8e3417215 | 57 | AnalogIn in0(read_lo); |
| jksoft | 0:f5f8e3417215 | 58 | out0 = 0; |
| jksoft | 0:f5f8e3417215 | 59 | out1 = 1; |
| jksoft | 0:f5f8e3417215 | 60 | |
| jksoft | 0:f5f8e3417215 | 61 | return in1.read_u16(); |
| jksoft | 0:f5f8e3417215 | 62 | } |
| jksoft | 0:f5f8e3417215 | 63 | |
| jksoft | 0:f5f8e3417215 | 64 | |
| jksoft | 0:f5f8e3417215 | 65 | void Touchpad::tick(void) |
| jksoft | 0:f5f8e3417215 | 66 | { |
| jksoft | 0:f5f8e3417215 | 67 | m_ch_x.tick(read_x()); |
| jksoft | 0:f5f8e3417215 | 68 | m_ch_y.tick(read_y()); |
| jksoft | 0:f5f8e3417215 | 69 | } |