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fixed ghostkey detection

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This commit is contained in:
Ronald Schaten 2008-11-15 18:55:12 +00:00
parent 5d7ab00387
commit 3ceb3a521a
3 changed files with 17 additions and 10 deletions
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2
firmware/modelibmmodelm.c
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@ -270,7 +270,7 @@ uint8_t scankeys(uint8_t* reportBuffer, uint8_t* oldReportBuffer, uint8_t sizeOf
if (data & (1 << col)) { if (data & (1 << col)) {
key = pgm_read_byte(&keymatrix[row][col]); key = pgm_read_byte(&keymatrix[row][col]);
modifier = pgm_read_byte(&modmatrix[row][col]); modifier = pgm_read_byte(&modmatrix[row][col]);
isghostkey = ghostmatrix[row] & (1 << col); isghostkey = (ghostmatrix[row] & (1 << col)) != 0;
} else { } else {
key = KEY_Reserved; key = KEY_Reserved;
modifier = MOD_NONE; modifier = MOD_NONE;

4
firmware/modelmayhem.c
View File

@ -37,8 +37,6 @@
#define LEDNUM PIND3 ///< address of the num-lock LED #define LEDNUM PIND3 ///< address of the num-lock LED
#define LEDCAPS PIND6 ///< address of the caps-lock LED #define LEDCAPS PIND6 ///< address of the caps-lock LED
#define LEDSCROLL PIND7 ///< address of the scroll-lock LED #define LEDSCROLL PIND7 ///< address of the scroll-lock LED
#define LEDBACK1 PIND4 ///< address of the first backlight LED
#define LEDBACK2 PIND5 ///< address of the second backlight LED
uint8_t curmatrix[16]; ///< contains current state of the keyboard uint8_t curmatrix[16]; ///< contains current state of the keyboard
uint8_t oldmatrix[16]; ///< contains old state of the keyboard uint8_t oldmatrix[16]; ///< contains old state of the keyboard
@ -272,7 +270,7 @@ uint8_t scankeys(uint8_t* reportBuffer, uint8_t* oldReportBuffer, uint8_t sizeOf
if (data & (1 << col)) { if (data & (1 << col)) {
key = pgm_read_byte(&keymatrix[row][col]); key = pgm_read_byte(&keymatrix[row][col]);
modifier = pgm_read_byte(&modmatrix[row][col]); modifier = pgm_read_byte(&modmatrix[row][col]);
isghostkey = ghostmatrix[row] & (1 << col); isghostkey = (ghostmatrix[row] & (1 << col)) != 0;
} else { } else {
key = KEY_Reserved; key = KEY_Reserved;
modifier = MOD_NONE; modifier = MOD_NONE;

21
firmware/modelsuntype5.c
View File

@ -94,7 +94,7 @@ void printMatrix(void) {
} }
void setLeds(uint8_t LEDstate) { void setLeds(uint8_t LEDstate) {
if (LEDstate & LED_NUM) { // light up caps lock if (LEDstate & LED_NUM) { // light up num lock
PORTLEDS &= ~(1 << LEDNUM); PORTLEDS &= ~(1 << LEDNUM);
} else { } else {
PORTLEDS |= (1 << LEDNUM); PORTLEDS |= (1 << LEDNUM);
@ -104,7 +104,7 @@ void setLeds(uint8_t LEDstate) {
} else { } else {
PORTLEDS |= (1 << LEDCAPS); PORTLEDS |= (1 << LEDCAPS);
} }
if (LEDstate & LED_SCROLL) { // light up caps lock if (LEDstate & LED_SCROLL) { // light up scroll lock
PORTLEDS &= ~(1 << LEDSCROLL); PORTLEDS &= ~(1 << LEDSCROLL);
} else { } else {
PORTLEDS |= (1 << LEDSCROLL); PORTLEDS |= (1 << LEDSCROLL);
@ -240,9 +240,18 @@ uint8_t scankeys(uint8_t* reportBuffer, uint8_t* oldReportBuffer, uint8_t sizeOf
debounce--; debounce--;
} }
if (debounce == 1) { if (debounce == 1) {
if (memcmp(oldmatrix, curmatrix, sizeof(curmatrix)) != 0) { memset(ghostmatrix, 0, sizeof(ghostmatrix));
//printMatrix(); for (uint8_t i = 0; i < 21; i++) {
memcpy(oldmatrix, curmatrix, sizeof(curmatrix)); uint16_t keys = (~curmatrix[i]) & 0x1fff;
if (bitcount2(keys)) { // check if 2 or more keys are pressed
for (uint8_t j = i + 1; j < 22; j++) {
uint16_t common_columns = keys & (~curmatrix[j]);
if (bitcount2(common_columns)) { // 2 or more columns in common => ghostkeys
ghostmatrix[i] |= common_columns;
ghostmatrix[j] |= common_columns;
}
}
}
} }
// debounce counter expired, create report // debounce counter expired, create report
uint8_t reportIndex = 2; // reportBuffer[0] contains modifiers uint8_t reportIndex = 2; // reportBuffer[0] contains modifiers
@ -255,7 +264,7 @@ uint8_t scankeys(uint8_t* reportBuffer, uint8_t* oldReportBuffer, uint8_t sizeOf
if (!(data & (1 << col))) { if (!(data & (1 << col))) {
key = pgm_read_byte(&keymatrix[row][col]); key = pgm_read_byte(&keymatrix[row][col]);
modifier = pgm_read_byte(&modmatrix[row][col]); modifier = pgm_read_byte(&modmatrix[row][col]);
isghostkey = ghostmatrix[row] & (1 << col); isghostkey = (ghostmatrix[row] & (1 << col)) != 0;
} else { } else {
key = KEY_Reserved; key = KEY_Reserved;
modifier = MOD_NONE; modifier = MOD_NONE;