mirror of
https://github.com/openstenoproject/qmk
synced 2024-11-15 04:54:43 +00:00
b0a021c07a
* Made DZ60 layout with calculator * Cleaned up and commented, preparing to fix bug with negative in front of open parenthesis as first character * Fixed bug where negative sign infront of parenthesis as first character was parsed incorrectly * Made a better solution for the bug from the previous commit * Modularized and added a userfile so that this code can be used on various keyboards, found in doogle999 * Removed commented code from keymap * Made the layer that is used for calculations a define so that it can be changed per keyboard * Made the readme * Made the readme in the correct place * Revert "Made the readme in the correct place" This reverts commit 7f8b59ed9e59c77401a48be3a7ac1e8fd8e84e32. * Manually synced with qmk upstream * Stopped repeat, made keys print character that they are defined as rather than what the keyboard wants them to do * Added support for numpad, might make all keycodes custom so that there is no need to change doogle999.c if you want to change the keycode that is associated with a function, also made numpad automatically activating an option * Fixed some bugs with backspacing, updated the readme * Fixed some bugs with numlock turning on at the wrong times when a shift key was down * Made the return to layer work automatically instead of just forcing it to layer 0 * fixes and style changes, 20% decreased binary size * Fixed some bugs with double printing and compilation errors on my side * Fixed bug with exceeding the buffer size * Removed changes that added const-ness * Made changes so that backspace does not repeat to remove backspace bugs, still some bugs with recalculating without having typed anything * Fixed obo error with calc main loop * Made includes more accurate in keymap for dz60 * Moved flags to user makefile
460 lines
No EOL
12 KiB
C
460 lines
No EOL
12 KiB
C
#include "doogle999.h"
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static unsigned char inputLocation = 0; // Current index in text input
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static double calc(const char input[CALC_BUFFER_SIZE +1]) // Finds value of input char array, relatively small and fast I think
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{
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char inputToken[CALC_BUFFER_SIZE + 1]; // Input buffer, used when a single token (generally a number) takes up more
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unsigned char inputTokenLocation = 0, inputLocation = 0; // Keep track of indices
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struct Token tokens[CALC_BUFFER_SIZE + 1]; // Input, converted to tokens, one extra large to accomodate for possible negative sign then open parenthesis as first character
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unsigned char tokenCount = 0; // Keep track of index
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bool dashAsMinus = false; // Kind of a hacky solution to determining whether to treat a dash as a minus sign or a negative sign
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while(inputLocation < CALC_BUFFER_SIZE + 1)
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{
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char digit = input[inputLocation];
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if(inputLocation == 0 && input[inputLocation] == CALC_CHAR_SUB && input[inputLocation + 1] == CALC_CHAR_BEG)
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{
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tokens[tokenCount].raw.num = 0;
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tokens[tokenCount].isNum = true;
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tokenCount++;
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dashAsMinus = true;
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}
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if ((digit >= '0' && digit <= '9') || /* valid digit */
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(inputTokenLocation != 0 && input[inputLocation] == CALC_CHAR_DEC) || /* valid floating point */
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(!dashAsMinus && inputTokenLocation == 0 && input[inputLocation] == CALC_CHAR_SUB)) /* - is negative sign */
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{
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inputToken[inputTokenLocation] = input[inputLocation];
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inputTokenLocation++;
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inputLocation++;
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continue;
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}
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if(inputTokenLocation != 0)
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{
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// sscanf(inputToken, "%lf", &tokens[tokenCount].raw.num); // I would like to use sscanf here, but the small version of stdio.h on the chip doesn't allow sscanf or its sister functions to be used to process floats
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tokens[tokenCount].raw.num = atof(inputToken);
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tokens[tokenCount].isNum = true;
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for(unsigned char i = 0; i < inputTokenLocation + 1; i++)
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{
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inputToken[i] = '\0';
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}
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inputTokenLocation = 0;
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tokenCount++;
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dashAsMinus = true;
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continue;
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}
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/* inputTokenLocation == 0 */
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tokens[tokenCount].isNum = false;
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tokens[tokenCount].raw.op.c = input[inputLocation];
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tokens[tokenCount].raw.op.priority = 0;
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tokens[tokenCount].raw.op.ltr = true;
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dashAsMinus = false;
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switch(input[inputLocation])
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{
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case CALC_CHAR_BEG:
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break;
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case CALC_CHAR_END:
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dashAsMinus = true;
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break;
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case CALC_CHAR_ADD:
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tokens[tokenCount].raw.op.priority = CALC_PRIO_ADD;
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break;
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case CALC_CHAR_SUB:
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tokens[tokenCount].raw.op.priority = CALC_PRIO_SUB;
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break;
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case CALC_CHAR_MUL:
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tokens[tokenCount].raw.op.priority = CALC_PRIO_MUL;
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break;
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case CALC_CHAR_DIV:
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tokens[tokenCount].raw.op.priority = CALC_PRIO_DIV;
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break;
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case CALC_CHAR_EXP:
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tokens[tokenCount].raw.op.priority = CALC_PRIO_EXP;
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tokens[tokenCount].raw.op.ltr = false;
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break;
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case CALC_CHAR_SIN:
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case CALC_CHAR_COS:
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case CALC_CHAR_TAN:
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case CALC_CHAR_ASN:
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case CALC_CHAR_ACS:
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case CALC_CHAR_ATN:
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case CALC_CHAR_LGE:
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case CALC_CHAR_LOG:
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case CALC_CHAR_SQT:
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break;
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case CALC_CHAR_EUL:
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tokens[tokenCount].isNum = true;
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tokens[tokenCount].raw.num = CALC_VALU_EUL;
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dashAsMinus = true;
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break;
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case CALC_CHAR_PI:
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tokens[tokenCount].isNum = true;
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tokens[tokenCount].raw.num = CALC_VALU_PI;
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dashAsMinus = true;
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break;
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case '\0':
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tokenCount--;
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inputLocation = CALC_BUFFER_SIZE;
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break;
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default:
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tokenCount--;
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break;
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}
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tokenCount++;
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inputLocation++;
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}
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struct Token output[CALC_BUFFER_SIZE + 1]; // Final output tokens before evaluation
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struct Token opstack[CALC_BUFFER_SIZE + 1]; // Stack of operators
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unsigned char outputLocation = 0, opstackLocation = 0; // Keep track of indices
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unsigned char numBrackets = 0; // The number of parenthesis
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for(unsigned char i = 0; i < tokenCount; i++)
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{
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if(tokens[i].isNum)
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{
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output[outputLocation] = tokens[i];
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outputLocation++;
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}
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else if(tokens[i].raw.op.c == CALC_CHAR_BEG)
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{
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opstack[opstackLocation] = tokens[i];
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opstackLocation++;
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}
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else if(tokens[i].raw.op.c == CALC_CHAR_END)
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{
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while(opstack[opstackLocation - 1].raw.op.c != CALC_CHAR_BEG)
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{
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output[outputLocation] = opstack[opstackLocation - 1];
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outputLocation++;
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opstackLocation--;
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}
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opstackLocation--;
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numBrackets += 2;
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}
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else if(tokens[i].raw.op.priority == 0)
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{
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opstack[opstackLocation] = tokens[i];
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opstackLocation++;
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}
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else
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{
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while(opstackLocation != 0
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&& (opstack[opstackLocation - 1].raw.op.priority == 0
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|| tokens[i].raw.op.priority < opstack[opstackLocation - 1].raw.op.priority
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|| (tokens[i].raw.op.priority == opstack[opstackLocation - 1].raw.op.priority && opstack[opstackLocation - 1].raw.op.ltr))
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&& opstack[opstackLocation - 1].raw.op.c != CALC_CHAR_BEG)
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{
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output[outputLocation] = opstack[opstackLocation - 1];
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outputLocation++;
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opstackLocation--;
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}
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opstack[opstackLocation] = tokens[i];
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opstackLocation++;
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}
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}
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tokenCount -= numBrackets;
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for(signed char i = opstackLocation - 1; i >= 0; i--)
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{
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output[outputLocation] = opstack[i];
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outputLocation++;
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opstackLocation--;
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}
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double answer[CALC_BUFFER_SIZE];
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unsigned char answerLocation = 0;
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for(unsigned char i = 0; i < tokenCount; i++)
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{
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if(output[i].isNum)
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{
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answer[answerLocation] = output[i].raw.num;
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answerLocation++;
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continue;
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}
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if(output[i].raw.op.priority == 0)
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{
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if (answerLocation < 1) { /* not handled here -- ERROR? */ } else
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if(answerLocation >= 1)
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{
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double (*op)(double);
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switch(output[i].raw.op.c)
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{
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case CALC_CHAR_SIN:
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op = sin;
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break;
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case CALC_CHAR_COS:
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op = cos;
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break;
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case CALC_CHAR_TAN:
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op = tan;
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break;
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case CALC_CHAR_ASN:
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op = asin;
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break;
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case CALC_CHAR_ACS:
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op = acos;
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break;
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case CALC_CHAR_ATN:
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op = atan;
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break;
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case CALC_CHAR_LGE:
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op = log;
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break;
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case CALC_CHAR_LOG:
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op = log10;
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break;
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case CALC_CHAR_SQT:
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op = sqrt;
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break;
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default:
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continue; /* invalid input */
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}
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answer[answerLocation - 1] = op(answer[answerLocation - 1]);
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}
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}
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/* priority != 0 */
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else if(answerLocation >= 2)
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{
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switch(output[i].raw.op.c)
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{
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case CALC_CHAR_ADD:
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answer[answerLocation - 2] += answer[answerLocation - 1];
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break;
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case CALC_CHAR_SUB:
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answer[answerLocation - 2] -= answer[answerLocation - 1];
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break;
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case CALC_CHAR_MUL:
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answer[answerLocation - 2] *= answer[answerLocation - 1];
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break;
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case CALC_CHAR_DIV:
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answer[answerLocation - 2] /= answer[answerLocation - 1];
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break;
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case CALC_CHAR_EXP:
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answer[answerLocation - 2] = pow(answer[answerLocation - 2], answer[answerLocation - 1]);
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break;
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}
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answerLocation--;
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}
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}
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return answer[0];
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}
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/*
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* @returns 0 when nothing should happen and QMK should work as usual
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* @returns -1 when invalid input was given, QMK should ignore it
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* @returns -2 when BSP should be done
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* @returns -3 when CALC should be done
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* @returns -4 when ENDCALC should be done
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* @returns positive value of CALC_* when normal input was processed
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*/
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static int process_input(const uint16_t keycode, const uint8_t mods, const keyevent_t event)
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{
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/* handle even when no key was pressed */
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if(!event.pressed)
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{
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switch(keycode)
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{
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/* QMK should handle those */
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case KC_RSFT:
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case KC_LSFT:
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return 0;
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break;
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}
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/* ??? ignore */
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return -1;
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}
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/* when shift key is pressed handle characters differently */
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char characterPressed;
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if((get_mods() & MODS_SHIFT_MASK))
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{
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switch(keycode)
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{
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case KC_9:
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characterPressed = CALC_CHAR_BEG;
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break;
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case KC_0:
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characterPressed = CALC_CHAR_END;
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break;
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case KC_EQUAL:
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characterPressed = CALC_CHAR_ADD;
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break;
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case KC_KP_PLUS:
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characterPressed = CALC_CHAR_ADD;
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break;
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case KC_6:
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characterPressed = CALC_CHAR_EXP;
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break;
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case KC_8:
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characterPressed = CALC_CHAR_MUL;
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break;
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case KC_KP_ASTERISK:
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characterPressed = CALC_CHAR_MUL;
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break;
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case KC_S:
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characterPressed = CALC_CHAR_ASN;
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break;
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case KC_C:
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characterPressed = CALC_CHAR_ACS;
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break;
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case KC_T:
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characterPressed = CALC_CHAR_ATN;
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break;
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case KC_L:
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characterPressed = CALC_CHAR_LOG;
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break;
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default:
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return -1;
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break;
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}
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return characterPressed;
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}
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/* normal key handling: shift not pressed */
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/* digits */
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if (keycode == KC_KP_0 || keycode == KC_0) {
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return '0';
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} else if (keycode >= KC_KP_1 && keycode <= KC_KP_9) {
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return keycode - KC_KP_1 +1 + '0';
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} else if (keycode >= KC_1 && keycode <= KC_9) {
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return keycode - KC_1 +1 + '0';
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}
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/* other tokens */
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switch (keycode) {
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case KC_MINUS:
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case KC_KP_MINUS:
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return characterPressed = CALC_CHAR_SUB;
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case KC_SLASH:
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case KC_KP_SLASH:
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return characterPressed = CALC_CHAR_DIV;
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case KC_S:
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return characterPressed = CALC_CHAR_SIN;
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case KC_C:
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return characterPressed = CALC_CHAR_COS;
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case KC_T:
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return characterPressed = CALC_CHAR_TAN;
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case KC_Q:
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return characterPressed = CALC_CHAR_SQT;
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case KC_L:
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return characterPressed = CALC_CHAR_LGE;
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case KC_DOT:
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case KC_KP_DOT:
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return characterPressed = CALC_CHAR_DEC;
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case KC_P:
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return characterPressed = CALC_CHAR_PI;
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case KC_E:
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return characterPressed = CALC_CHAR_EUL;
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case KC_BSPC:
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return -2;
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case KC_RSFT:
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return 0;
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case KC_LSFT:
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return 0;
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case CALC:
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return -3;
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case ENDCALC:
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return -4;
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default:
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return -1;
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}
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}
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bool process_record_user(uint16_t keycode, keyrecord_t* record)
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{
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static char text[CALC_BUFFER_SIZE + 1]; // Used to store input and then output when ready to print
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static char backspaceText[CALC_BUFFER_SIZE + 1]; // Pretty dumb waste of memory because only backspace characters, used with send_string to backspace and remove input
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if((biton32(layer_state) == CALC_LAYER && CALC_FORCE_NUM_LOCK_INSIDE_CALC) || (biton32(layer_state) != CALC_LAYER && CALC_FORCE_NUM_LOCK_OUTSIDE_CALC))
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{
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bool numpadKeyPressed = record->event.pressed &&
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!(get_mods() & MODS_SHIFT_MASK) &&
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/* KC_KP_1, KC_KP_2, ..., KC_KP_0, KC_KP_DOT */
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(keycode >= KC_KP_1 && keycode <= KC_KP_DOT);
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if(numpadKeyPressed && !(host_keyboard_leds() & (1 << USB_LED_NUM_LOCK)))
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{
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add_key(KC_NLCK);
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send_keyboard_report();
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del_key(KC_NLCK);
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}
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}
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if(biton32(layer_state) != CALC_LAYER) { return true; }
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int action = process_input(keycode, get_mods(), record->event);
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switch(action)
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{
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case 0:
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return true;
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case -1:
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return false;
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case -2:
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if(inputLocation > 0)
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{
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inputLocation--;
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text[inputLocation] = '\0';
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backspaceText[0] = (char)8;
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backspaceText[1] = '\0';
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send_string(backspaceText);
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}
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return false;
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case -3:
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for(int i = 0; i < inputLocation; i++)
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{
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backspaceText[i] = (char)8;
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}
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send_string(backspaceText);
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dtostrf(calc(text), CALC_PRINT_SIZE, CALC_PRINT_SIZE, text);
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send_string(text);
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for(unsigned char i = 0; i < CALC_BUFFER_SIZE; i++)
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{
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text[i] = '\0';
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backspaceText[i] = '\0';
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}
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inputLocation = 0;
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return false;
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case -4:
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for(unsigned char i = 0; i < CALC_BUFFER_SIZE; i++)
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{
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text[i] = '\0';
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backspaceText[i] = '\0';
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}
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inputLocation = 0;
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layer_off(CALC_LAYER);
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return false;
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default:
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break;
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}
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char characterPressed = (char)action;
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if(inputLocation < CALC_BUFFER_SIZE)
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{
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text[inputLocation] = characterPressed;
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inputLocation++;
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char characterToSend[2];
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characterToSend[0] = characterPressed;
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characterToSend[1] = '\0';
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send_string(characterToSend);
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}
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return false;
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} |