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Add KeyMatrix_Scan() although don't use it yet. Send every detected scancode to the host of which there are false positives for some reason.

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László Monda
2016-10-10 22:39:22 +02:00
parent 56b8609187
commit c8284fcd6f
3 changed files with 46 additions and 9 deletions
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22
shared/key_matrix.c
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@@ -1,21 +1,33 @@
#include "fsl_gpio.h"
#include "key_matrix.h"
void KeyMatrix_Init(key_matrix_t keyMatrix)
void KeyMatrix_Init(key_matrix_t *keyMatrix)
{
for (uint8_t col_i=0; col_i<keyMatrix.colNum; col_i++) {
key_matrix_pin_t col = keyMatrix.cols[col_i];
for (uint8_t col_i=0; col_i<keyMatrix->colNum; col_i++) {
key_matrix_pin_t col = keyMatrix->cols[col_i];
CLOCK_EnableClock(col.clock);
PORT_SetPinConfig(col.port, col.pin,
&(port_pin_config_t){.pullSelect=kPORT_PullDisable, .mux=kPORT_MuxAsGpio});
GPIO_PinInit(col.gpio, col.pin, &(gpio_pin_config_t){kGPIO_DigitalOutput, 1});
}
for (uint8_t row_i=0; row_i<keyMatrix.rowNum; row_i++) {
key_matrix_pin_t row = keyMatrix.rows[row_i];
for (uint8_t row_i=0; row_i<keyMatrix->rowNum; row_i++) {
key_matrix_pin_t row = keyMatrix->rows[row_i];
CLOCK_EnableClock(row.clock);
PORT_SetPinConfig(row.port, row.pin,
&(port_pin_config_t){.pullSelect=kPORT_PullDown, .mux=kPORT_MuxAsGpio});
GPIO_PinInit(row.gpio, row.pin, &(gpio_pin_config_t){kGPIO_DigitalInput});
}
}
void KeyMatrix_Scan(key_matrix_t *keyMatrix)
{
uint8_t keyId = 0;
for (uint8_t col=0; col<keyMatrix->colNum; col++) {
GPIO_WritePinOutput(keyMatrix->cols[col].gpio, keyMatrix->cols[col].pin, 1);
for (uint8_t row=0; row<keyMatrix->rowNum; row++) {
keyMatrix->keyStates[keyId++] = GPIO_ReadPinInput(keyMatrix->rows[row].gpio, keyMatrix->rows[row].pin);
}
GPIO_WritePinOutput(keyMatrix->cols[col].gpio, keyMatrix->cols[col].pin, 0);
}
}