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keybrd
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moved Debouncer_Not to Keybrd lib

tags/v0.5.0
wolfv6 7 years ago
parent
c026df8aa4
commit
9c9bc8d949
7 changed files with 50 additions and 9 deletions
Split View Show Diff Stats
  1. 2
    2
      examples/keybrd_shift_register/keybrd_shift_register.ino
  2. 15
    0
      src/Debouncer_Not.cpp
  3. 21
    0
      src/Debouncer_Not.h
  4. 4
    4
      src/RowScanner_PinsArray.h
  5. 0
    1
      src/RowScanner_SPIShiftRegisters.cpp
  6. 6
    0
      src/RowScanner_SPIShiftRegisters.h
  7. 2
    2
      src/Row_ShiftRegisters.h

+ 2
- 2
examples/keybrd_shift_register/keybrd_shift_register.ino View File

@@ -104,7 +104,7 @@ const uint8_t KEY_R0_COUNT = sizeof(ptrsKeys_R0)/sizeof(*ptrsKeys_R0);
Row_ShiftRegisters row_R0(8, ptrsKeys_R0, KEY_R0_COUNT);
*/

//prints 0 1 2 3 4 5 6 7 8, microseconds_per_scan=87
//prints 0 1 2 3 4 5 6 7 8, microseconds_per_scan=87 with SAMPLE_COUNT 4
Key* ptrsKeys_R0[] = { &s_0, &s_z, &s_z, &s_z, &s_1, &s_z, &s_z, &s_z,
&s_2, &s_z, &s_z, &s_z, &s_3, &s_z, &s_z, &s_z,
&s_4, &s_z, &s_z, &s_z, &s_5, &s_z, &s_z, &s_z,
@@ -163,5 +163,5 @@ void loop()

//delay(100);
//Keyboard.println("");
debug.print_microseconds_per_scan();
//debug.print_microseconds_per_scan();
}

+ 15
- 0
src/Debouncer_Not.cpp View File

@@ -0,0 +1,15 @@
#include "Debouncer_Not.h"

/* debounce() sets debounced and returns debouncedChanged. All variables are bitwise.
For parameters, 1 means pressed, 0 means released.
For return, 1 means debounced changed.
*/
read_pins_t Debouncer_Not::debounce(const read_pins_t rawSignal, read_pins_t& debounced)
{
read_pins_t previousDebounced; //bitwise, 1 means pressed, 0 means released

previousDebounced = debounced;
debounced = rawSignal;
return debounced xor previousDebounced;
}


+ 21
- 0
src/Debouncer_Not.h View File

@@ -0,0 +1,21 @@
#ifndef DEBOUNCER_NOT_H
#define DEBOUNCER_NOT_H
#include <Arduino.h>
#include <inttypes.h>
#include <config_keybrd.h>
#include <DebouncerInterface.h>

/* Debouncer_Not does not debounce.
debounce() returns raw signal, no debouncing is performed.

A keyboard does not need a debouncing if one of the following is true:
* keypad has hardware debouncers
* poling I2C makes scan rate slower than debounce time
* optic switches are used (because they don't bounce)
*/
class Debouncer_Not : public DebouncerInterface
{
public:
virtual read_pins_t debounce(const read_pins_t rawSignal, read_pins_t& debounced);
};
#endif

+ 4
- 4
src/RowScanner_PinsArray.h View File

@@ -14,10 +14,10 @@ Constructor is in RowScanner_PinsArray.cpp
class RowScanner_PinsArray : public RowScannerInterface
{
private:
static const bool ACTIVE_HIGH; //logic level of strobe pin: 0=activeLow, 1=activeHigh
const uint8_t STROBE_PIN; //Arduino pin number connected to this row
const uint8_t* const READ_PINS; //array of read pin numbers
const uint8_t READ_PIN_COUNT; //number of read pins
static const bool ACTIVE_HIGH; //logic level of strobe pin: 0=activeLow, 1=activeHigh
const uint8_t STROBE_PIN; //Arduino pin number connected to this row
const uint8_t* const READ_PINS; //array of read pin numbers
const uint8_t READ_PIN_COUNT; //number of read pins
public:
RowScanner_PinsArray(const uint8_t STROBE_PIN,
const uint8_t READ_PINS[], const uint8_t READ_PIN_COUNT);

+ 0
- 1
src/RowScanner_SPIShiftRegisters.cpp View File

@@ -35,7 +35,6 @@ read_pins_t RowScanner_SPIShiftRegisters::scan(read_pins_mask_t& rowEnd)
digitalWrite(STROBE_PIN, LOW);

rowEnd = ROW_END;
//rowEnd = 1 << 8;

//clear unpowered pins (for testing bb) todo
rowState &= 0b01010001000100010001000100010001; //also 31st key

+ 6
- 0
src/RowScanner_SPIShiftRegisters.h View File

@@ -21,6 +21,12 @@ The shift registers are active high:
10k pull-down resistors are grounded
connect controller's MISO pin to shift register's QH pin

The shift register needs 5 wires.
In addition, each row needs to be connected to a strobe pin from controller.
The two parts of a split keyboard can be connected by one of:
* eSATA cable (has 7 wires, good for 2 rows)
* Ethernet cable (has 8 wires, good for 3 rows)

*/
class RowScanner_SPIShiftRegisters : public RowScannerInterface
{

+ 2
- 2
src/Row_ShiftRegisters.h View File

@@ -4,7 +4,7 @@
#include <RowBase.h>
#include <RowScanner_SPIShiftRegisters.h>
#include <Debouncer_4Samples.h>
//todo #include <Debouncer_Not.h>
//#include <Debouncer_Not.h>

/* Row_DH_IOE is a row connected to an Input/Output Expander.

@@ -29,7 +29,7 @@ class Row_ShiftRegisters : public RowBase
private:
RowScanner_SPIShiftRegisters scanner;
Debouncer_4Samples debouncer;
//Debouncer_Not debouncer; //todo test
//Debouncer_Not debouncer; //tested
public:
Row_ShiftRegisters(const uint8_t STROBE_PIN, Key *const ptrsKeys[], uint8_t KEY_COUNT)
: RowBase(ptrsKeys), scanner(STROBE_PIN, KEY_COUNT) { }