Switch mouse keys to use integer math. This removes the last use of floating point math in the Model 01 core, saving us a good few K of program space

pull/85/head
Jesse Vincent 8 years ago
parent 84613fbd4d
commit 7b2cc10d4a

@ -5,19 +5,27 @@
#include "KeyboardioFirmware.h"
static void handle_mouse_key_event(Key mappedKey, uint8_t keyState) {
if (key_toggled_off(keyState)) {
if (mappedKey.keyCode & KEY_MOUSE_UP || mappedKey.keyCode & KEY_MOUSE_DOWN) {
MouseWrapper.mouseActiveForCyclesY=0;
}
if (mappedKey.keyCode & KEY_MOUSE_LEFT || mappedKey.keyCode & KEY_MOUSE_RIGHT) {
MouseWrapper.mouseActiveForCyclesX=0;
}
}
if (!key_is_pressed(keyState))
return;
if (mappedKey.keyCode & KEY_MOUSE_UP) {
MouseWrapper.move(0,-1);
}
if (mappedKey.keyCode & KEY_MOUSE_DOWN) {
} else if (mappedKey.keyCode & KEY_MOUSE_DOWN) {
MouseWrapper.move(0,1);
}
if (mappedKey.keyCode & KEY_MOUSE_LEFT) {
MouseWrapper.move(-1,0);
}
if (mappedKey.keyCode & KEY_MOUSE_RIGHT) {
} else if (mappedKey.keyCode & KEY_MOUSE_RIGHT) {
MouseWrapper.move(1,0);
}
}

@ -77,43 +77,43 @@ void MouseWrapper_::warp(uint8_t warp_cmd) {
}
// cubic wave function based on code from FastLED
uint8_t MouseWrapper_::acceleration(uint8_t cycles) {
uint8_t i = cycles;
double MouseWrapper_::acceleration (double cycles) {
double accel = (atan((cycles * ACCELERATION_CLIMB_SPEED)-ACCELERATION_RUNWAY) + ATAN_LIMIT) * ACCELERATION_MULTIPLIER;
if (accel < ACCELERATION_FLOOR) {
accel = ACCELERATION_FLOOR;
if( i & 0x80) {
i = 255 - i;
}
return accel;
i = i << 1;
uint8_t ii = (i*i) >> 8;
uint8_t iii = (ii*i) >> 8;
i = (( (3 * (uint16_t)(ii)) - ( 2 * (uint16_t)(iii))) / 2) + ACCELERATION_FLOOR;
if ( i > ACCELERATION_CEIL) {
i = ACCELERATION_CEIL;
}
return i;
}
void MouseWrapper_::move( int8_t x, int8_t y) {
int16_t moveX =0;
int16_t moveY = 0;
if (x != 0 ) {
if (mouseActiveForCyclesX < 255) { mouseActiveForCyclesX++;}
moveX = (x * acceleration(mouseActiveForCyclesX));
}
if (y != 0) {
if (mouseActiveForCyclesY < 255) { mouseActiveForCyclesY++;}
moveY = (y * acceleration(mouseActiveForCyclesY));
if (x != 0 || y != 0) {
mouseActiveForCycles++;
double accel = (double) acceleration(mouseActiveForCycles);
float moveX = 0;
float moveY = 0;
if (x > 0) {
moveX = (x * accel) + carriedOverX;
carriedOverX = moveX - floor(moveX);
} else if (x < 0) {
moveX = (x * accel) - carriedOverX;
carriedOverX = ceil(moveX) - moveX;
}
if (y > 0) {
moveY = (y * accel) + carriedOverY;
carriedOverY = moveY - floor(moveY);
} else if (y < 0) {
moveY = (y * accel) - carriedOverY;
carriedOverY = ceil(moveY) - moveY;
}
}
end_warping();
Mouse.move(moveX, moveY, 0);
} else {
mouseActiveForCycles = 0;
}
}

@ -26,16 +26,8 @@
// we want the whole s curve, not just the bit
// that's usually above the x and y axes;
#define ATAN_LIMIT 1.57079633
#define ACCELERATION_FLOOR 0.25
#define ACCELERATION_MULTIPLIER 5
#define ACCELERATION_RUNWAY 5
// Climb speed is how fast we get to max speed
// 1 is "instant"
// 0.05 is just right
// 0.001 is insanely slow
#define ACCELERATION_CLIMB_SPEED 0.05
#define ACCELERATION_FLOOR 2
#define ACCELERATION_CEIL 50
class MouseWrapper_ {
@ -45,20 +37,17 @@ class MouseWrapper_ {
void warp(uint8_t warp_cmd);
void press_button(uint8_t button);
void release_button(uint8_t button);
uint8_t mouseActiveForCyclesX = 0;
uint8_t mouseActiveForCyclesY = 0;
private:
double mouseActiveForCycles = 0;
float carriedOverX = 0;
float carriedOverY = 0;
uint16_t next_width = 0;
uint16_t next_height = 0;
uint16_t section_top = 0;
uint16_t section_left = 0;
boolean is_warping = false;
double acceleration (double cycles);
uint8_t acceleration (uint8_t cycles);
void begin_warping();
void end_warping();
void warp_jump(long left, long top, long height, long width);

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