mirror of
https://github.com/meshtastic/firmware.git
synced 2025-12-17 16:22:48 +00:00
5b1b420cad
* Add initial support for Hackaday Communicator * Fork it! * Trunk * Remove unused elements from the HackadayCommunicatorKeyboard * Don't divide by zero.
217 lines
9.9 KiB
C++
217 lines
9.9 KiB
C++
#if defined(HACKADAY_COMMUNICATOR)
|
|
|
|
#include "HackadayCommunicatorKeyboard.h"
|
|
#include "main.h"
|
|
|
|
#define _TCA8418_COLS 10
|
|
#define _TCA8418_ROWS 8
|
|
#define _TCA8418_NUM_KEYS 80
|
|
|
|
#define _TCA8418_MULTI_TAP_THRESHOLD 1500
|
|
|
|
using Key = TCA8418KeyboardBase::TCA8418Key;
|
|
|
|
constexpr uint8_t modifierRightShiftKey = 30;
|
|
constexpr uint8_t modifierRightShift = 0b0001;
|
|
constexpr uint8_t modifierLeftShiftKey = 76; // keynum -1
|
|
constexpr uint8_t modifierLeftShift = 0b0001;
|
|
// constexpr uint8_t modifierSymKey = 42;
|
|
// constexpr uint8_t modifierSym = 0b0010;
|
|
|
|
// Num chars per key, Modulus for rotating through characters
|
|
static uint8_t HackadayCommunicatorTapMod[_TCA8418_NUM_KEYS] = {
|
|
0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
0, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 0, 0, 0, 1, 2, 2, 2, 1, 2, 2, 0, 0, 0, 2, 1, 2, 2, 0, 1, 1, 0,
|
|
};
|
|
|
|
static unsigned char HackadayCommunicatorTapMap[_TCA8418_NUM_KEYS][2] = {{},
|
|
{},
|
|
{'+'},
|
|
{'9'},
|
|
{'8'},
|
|
{'7'},
|
|
{'2'},
|
|
{'3'},
|
|
{'4'},
|
|
{'5'},
|
|
{Key::ESC},
|
|
{'q', 'Q'},
|
|
{'w', 'W'},
|
|
{'e', 'E'},
|
|
{'r', 'R'},
|
|
{'t', 'T'},
|
|
{'y', 'Y'},
|
|
{'u', 'U'},
|
|
{'i', 'I'},
|
|
{'o', 'O'},
|
|
{Key::TAB},
|
|
{'a', 'A'},
|
|
{'s', 'S'},
|
|
{'d', 'D'},
|
|
{'f', 'F'},
|
|
{'g', 'G'},
|
|
{'h', 'H'},
|
|
{'j', 'J'},
|
|
{'k', 'K'},
|
|
{'l', 'L'},
|
|
{},
|
|
{'z', 'Z'},
|
|
{'x', 'X'},
|
|
{'c', 'C'},
|
|
{'v', 'V'},
|
|
{'b', 'B'},
|
|
{'n', 'N'},
|
|
{'m', 'M'},
|
|
{',', '<'},
|
|
{'.', '>'},
|
|
{},
|
|
{},
|
|
{},
|
|
{'\\'},
|
|
{' '},
|
|
{},
|
|
{Key::RIGHT},
|
|
{Key::DOWN},
|
|
{Key::LEFT},
|
|
{},
|
|
{},
|
|
{},
|
|
{'-'},
|
|
{'6', '^'},
|
|
{'5', '%'},
|
|
{'4', '$'},
|
|
{'[', '{'},
|
|
{']', '}'},
|
|
{'p', 'P'},
|
|
{},
|
|
{},
|
|
{},
|
|
{'*'},
|
|
{'3', '#'},
|
|
{'2', '@'},
|
|
{'1', '!'},
|
|
{Key::SELECT},
|
|
{'\'', '"'},
|
|
{';', ':'},
|
|
{},
|
|
{},
|
|
{},
|
|
{'/', '?'},
|
|
{'='},
|
|
{'.', '>'},
|
|
{'0', ')'},
|
|
{},
|
|
{Key::UP},
|
|
{Key::BSP},
|
|
{}};
|
|
|
|
HackadayCommunicatorKeyboard::HackadayCommunicatorKeyboard()
|
|
: TCA8418KeyboardBase(_TCA8418_ROWS, _TCA8418_COLS), modifierFlag(0), last_modifier_time(0), last_key(-1), next_key(-1),
|
|
last_tap(0L), char_idx(0), tap_interval(0)
|
|
{
|
|
reset();
|
|
}
|
|
|
|
void HackadayCommunicatorKeyboard::reset(void)
|
|
{
|
|
TCA8418KeyboardBase::reset();
|
|
enableInterrupts();
|
|
}
|
|
|
|
// handle multi-key presses (shift and alt)
|
|
void HackadayCommunicatorKeyboard::trigger()
|
|
{
|
|
uint8_t count = keyCount();
|
|
if (count == 0)
|
|
return;
|
|
for (uint8_t i = 0; i < count; ++i) {
|
|
uint8_t k = readRegister(TCA8418_REG_KEY_EVENT_A + i);
|
|
uint8_t key = k & 0x7F;
|
|
if (k & 0x80) {
|
|
pressed(key);
|
|
} else {
|
|
released();
|
|
state = Idle;
|
|
}
|
|
}
|
|
}
|
|
|
|
void HackadayCommunicatorKeyboard::pressed(uint8_t key)
|
|
{
|
|
if (state == Init || state == Busy) {
|
|
return;
|
|
}
|
|
|
|
if (modifierFlag && (millis() - last_modifier_time > _TCA8418_MULTI_TAP_THRESHOLD)) {
|
|
modifierFlag = 0;
|
|
}
|
|
|
|
uint8_t next_key = 0;
|
|
int row = (key - 1) / 10;
|
|
int col = (key - 1) % 10;
|
|
if (row >= _TCA8418_ROWS || col >= _TCA8418_COLS) {
|
|
return; // Invalid key
|
|
}
|
|
|
|
next_key = row * _TCA8418_COLS + col;
|
|
state = Held;
|
|
|
|
uint32_t now = millis();
|
|
tap_interval = now - last_tap;
|
|
|
|
updateModifierFlag(next_key);
|
|
if (isModifierKey(next_key)) {
|
|
last_modifier_time = now;
|
|
}
|
|
|
|
if (tap_interval < 0) {
|
|
last_tap = 0;
|
|
state = Busy;
|
|
return;
|
|
}
|
|
|
|
if (next_key != last_key || tap_interval > _TCA8418_MULTI_TAP_THRESHOLD) {
|
|
char_idx = 0;
|
|
} else {
|
|
char_idx += 1;
|
|
}
|
|
|
|
last_key = next_key;
|
|
last_tap = now;
|
|
}
|
|
|
|
void HackadayCommunicatorKeyboard::released()
|
|
{
|
|
if (state != Held) {
|
|
return;
|
|
}
|
|
|
|
if (last_key < 0 || last_key >= _TCA8418_NUM_KEYS) {
|
|
last_key = -1;
|
|
state = Idle;
|
|
return;
|
|
}
|
|
|
|
uint32_t now = millis();
|
|
last_tap = now;
|
|
if (HackadayCommunicatorTapMod[last_key])
|
|
queueEvent(HackadayCommunicatorTapMap[last_key][modifierFlag % HackadayCommunicatorTapMod[last_key]]);
|
|
if (isModifierKey(last_key) == false)
|
|
modifierFlag = 0;
|
|
}
|
|
|
|
void HackadayCommunicatorKeyboard::updateModifierFlag(uint8_t key)
|
|
{
|
|
if (key == modifierRightShiftKey) {
|
|
modifierFlag ^= modifierRightShift;
|
|
} else if (key == modifierLeftShiftKey) {
|
|
modifierFlag ^= modifierLeftShift;
|
|
}
|
|
}
|
|
|
|
bool HackadayCommunicatorKeyboard::isModifierKey(uint8_t key)
|
|
{
|
|
return (key == modifierRightShiftKey || key == modifierLeftShiftKey);
|
|
}
|
|
|
|
#endif |