uint8_t matrix_scan(void) {
for (uint8_t col = 0; col < MATRIX_COLS; col++) {
select_col(col);
_delay_us(3);
uint8_t rows = read_rows(col);
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col);
bool curr_bit = rows & (1<<row);
if (prev_bit != curr_bit) {
matrix_debouncing[row] ^= ((matrix_row_t)1<<col);
debouncing = DEBOUNCING_DELAY;
}
}
unselect_cols();
}
if (debouncing) {
if (--debouncing) {
_delay_ms(1);
} else {
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
matrix[i] = matrix_debouncing[i];
}
}
}
matrix_scan_quantum();
return 1;
}
static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) {
bool matrix_changed = false;
// Select col and wait for col selecton to stabilize
select_col(current_col);
wait_us(30);
// For each row...
for (uint8_t row_index = 0; row_index < ROWS_PER_HAND; row_index++) {
// Store last value of row prior to reading
matrix_row_t last_row_value = current_matrix[row_index];
// Check row pin state
if (readPin(row_pins[row_index])) {
// Pin HI, clear col bit
current_matrix[row_index] &= ~(ROW_SHIFTER << current_col);
} else {
// Pin LO, set col bit
current_matrix[row_index] |= (ROW_SHIFTER << current_col);
}
// Determine if the matrix changed state
if ((last_row_value != current_matrix[row_index]) && !(matrix_changed)) {
matrix_changed = true;
}
}
// Unselect col
unselect_col(current_col);
return matrix_changed;
}
uint8_t matrix_scan(void)
{
for (uint8_t col = 0; col < MATRIX_COLS; col++) { // 0-16
select_col(col);
_delay_us(30); // without this wait it won't read stable value.
uint16_t rows = read_rows();
for (uint8_t row = 0; row < MATRIX_ROWS; row++) { // 0-5
bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col);
bool curr_bit = rows & (1<<row);
if (prev_bit != curr_bit) {
matrix_debouncing[row] ^= ((matrix_row_t)1<<col);
if (debouncing) {
dprint("bounce!: "); dprintf("%02X", debouncing); dprintln();
}
debouncing = DEBOUNCE;
}
}
unselect_cols();
}
if (debouncing) {
if (--debouncing) {
_delay_ms(1);
} else {
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
matrix[i] = matrix_debouncing[i];
}
}
}
return 1;
}
uint8_t matrix_scan(void)
{
for (uint8_t col = 0; col < MATRIX_COLS; col++) {
select_col(col);
_delay_us(3); // TODO: Determine the correct value needed here.
uint8_t rows = read_rows();
if((col == 0 && !LAYOUT_MINI) || (col == 2 && LAYOUT_MINI) ) {
rows |= read_caps();
}
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col);
bool curr_bit = rows & (1<<row);
if (prev_bit != curr_bit) {
matrix_debouncing[row] ^= ((matrix_row_t)1<<col);
if (debouncing) {
dprint("bounce!: "); dprintf("%02X", debouncing); dprintln();
}
debouncing = DEBOUNCE;
}
}
unselect_cols();
}
if (debouncing) {
if (--debouncing) {
_delay_ms(1);
} else {
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
matrix[i] = matrix_debouncing[i];
}
}
}
return 1;
}
static void scan_col(uint8_t col)
{
uint8_t row;
uint8_t kb_reg;
select_col(col);
kb_reg = read_max(KB);
write_max(KB, 0);
for (row = 0; row < 4; row++)
update_key(col, row, kb_reg);
}
int main(int args, char* argvs[])
{
int result, col_length;
char col_type[ITEM_TYPE_LEN], col_name[ITEM_NAME_LEN];
struct msg_st string_item;
int msgqid;
char tb_name[TABLE_NAME_LEN];
char tmp[10][ITEM_NAME_LEN];
msgqid = msgget((key_t)3570, 0666 | IPC_CREAT);
if (msgqid == -1) {
ipc_msgget_failed(errno);
}
while (receive(0)) {
switch (*string_item.text) {
case '0':
result=receive(0);
string_item.text[result]='\0';
strcpy(tb_name, string_item.text);
create_table(string_item.text);
result = 0;
while ((result = receive(0)) != -1) {
string_item.text[result]='\0';
if (!strcmp(string_item.text, "TAIL"))
break;
sscanf(string_item.text, "%s %s %s %d", tmp[0], col_type, col_name, &col_length);
if (tmp[0][0] == '0')
create_col(col_name, col_type, col_length, 0);
else create_col(col_name, col_type, col_length, 1);
}
if (-1 == result)
ipc_msgrcv_failed(errno);
create_table_on_close();
printf("CATTYDB : database %s successfully created.\n",tb_name);
break;
case '1':
result=receive(0);
string_item.text[result]='\0';
//printf("%s\n", string_item.text);
describe_table(string_item.text);
break;
case '2':
result = receive(0);
string_item.text[result]='\0';
//printf("%s\n", string_item.text);
insert_on_open(string_item.text);
while ((result=receive(0)) != -1) {
string_item.text[result]='\0';
if (!strcmp(string_item.text, "TAIL"))
break;
insert_item(string_item.text);
}
if (-1 == result)
ipc_msgrcv_failed(errno);
insert_on_close();
break;
case '3':
result = receive(0);
string_item.text[result]='\0';
//printf("%s\n", string_item.text);
delete_on_open(string_item.text);
int i = 0;
while ((result = receive(0)) != -1) {
string_item.text[result]='\0';
if (!strcmp(string_item.text, "TAIL"))
break;
delete(string_item.text);
//strcpy(tmp[i++], string_item.text);
//puts(tmp[i-1]);
}
if (-1 == result)
ipc_msgrcv_failed(errno);
puts("del suc!");
break;
case '6':
puts("bye");
exit(0);
case '7':
result = receive(0);
string_item.text[result]='\0';
printf("%s\n", string_item.text);
show_table(string_item.text);
break;
case '8':
result=receive(0);
string_item.text[result]='\0';
select_where_on_open(string_item.text, "tmp");
result=receive(0);
string_item.text[result]='\0';
select_where(string_item.text);
select_where_on_close();
select_col_on_open("tmp", "tmp2");
result = 0;
while ((result = receive(0)) != -1) {
string_item.text[result]='\0';
if (!strcmp(string_item.text, "TAIL"))
break;
select_col_get_pos(string_item.text);
}
if (-1 == result)
ipc_msgrcv_failed(errno);
select_col();
select_col_on_close();
show_table("tmp2");
break;
case '9':
result = receive(0);
string_item.text[result]='\0';
update_on_open(string_item.text);
result = receive(0);
string_item.text[result]='\0';
strcpy(tmp[0], string_item.text);
result = receive(0);
string_item.text[result]='\0';
update(tmp[0], string_item.text);
break;
case 'a':
result = receive(0);
string_item.text[result]='\0';
strcpy(tmp[0], string_item.text);
result = receive(0);
string_item.text[result]='\0';
equijoins_on_open(tmp[0], string_item.text, "tmp");
result = receive(0);
string_item.text[result]='\0';
equijoins(string_item.text);
equijoins_on_close();
show_table("tmp");
}
}
return 0;
}
