uhk/firmware
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add back the code of the old KeyMatrix functions via ifdefs.

Browse Source
This commit is contained in:
László Monda
2016-10-20 20:54:14 +02:00
parent a08bdbf124
commit 05359dc320
1 changed files with 41 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
shared/key_matrix.c
View File

@@ -1,6 +1,45 @@
#include "fsl_gpio.h"
#include "key_matrix.h"
#ifdef OLD_MATRIX
// This ifdef clause will be completely erased as soon as Santiago's prototype will be out of use.
// Since the creation of his v6.0 prototype the diodes of the key matrix have been reversed in order
// to optimize the key scanning algorithm.
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];
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, 0});
}
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)
{
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[row*keyMatrix->colNum + col] = GPIO_ReadPinInput(keyMatrix->rows[row].gpio, keyMatrix->rows[row].pin);
}
GPIO_WritePinOutput(keyMatrix->cols[col].gpio, keyMatrix->cols[col].pin, 0);
for (volatile uint32_t i=0; i<100; i++); // Wait for the new port state to settle. This avoid bogus key state detection.
}
}
#else
void KeyMatrix_Init(key_matrix_t *keyMatrix)
{
for (key_matrix_pin_t *row = keyMatrix->rows; row < keyMatrix->rows + keyMatrix->rowNum; row++) {
@@ -37,3 +76,5 @@ void KeyMatrix_Scan(key_matrix_t *keyMatrix)
for (volatile uint32_t i=0; i<100; i++); // Wait for the new port state to settle. This avoid bogus key state detection.
}
}
#endif