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Make the BlackBerry trackball work in one direction.

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This commit is contained in:
László Monda
2019-06-12 01:44:27 +02:00
parent 6c0ebc3223
commit 60dade7e18
4 changed files with 52 additions and 2 deletions
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19
keycluster/src/blackberry_trackball.c Normal file
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@@ -0,0 +1,19 @@
#include "fsl_gpio.h"
#include "fsl_port.h"
#include "blackberry_trackball.h"
pointer_delta_t BlackBerryTrackball_PointerDelta;
void BlackberryTrackball_Init(void)
{
CLOCK_EnableClock(BLACKBERRY_TRACKBALL_LEFT_CLOCK);
PORT_SetPinMux(BLACKBERRY_TRACKBALL_LEFT_PORT, BLACKBERRY_TRACKBALL_LEFT_PIN, kPORT_MuxAsGpio);
PORT_SetPinInterruptConfig(BLACKBERRY_TRACKBALL_LEFT_PORT, BLACKBERRY_TRACKBALL_LEFT_PIN, kPORT_InterruptEitherEdge);
NVIC_EnableIRQ(BLACKBERRY_TRACKBALL_LEFT_IRQ);
}
void BLACKBERRY_TRACKBALL_IRQ_HANDLER(void)
{
GPIO_ClearPinsInterruptFlags(BLACKBERRY_TRACKBALL_LEFT_GPIO, 1U << BLACKBERRY_TRACKBALL_LEFT_PIN);
BlackBerryTrackball_PointerDelta.x++;
}

26
keycluster/src/blackberry_trackball.h Normal file
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@@ -0,0 +1,26 @@
#ifndef __BLACKBERRY_TRACKBALL_H__
#define __BLACKBERRY_TRACKBALL_H__
// Includes:
#include "slave_protocol.h"
// Macros:
#define BLACKBERRY_TRACKBALL_LEFT_PORT PORTB
#define BLACKBERRY_TRACKBALL_LEFT_GPIO GPIOB
#define BLACKBERRY_TRACKBALL_LEFT_IRQ PORTB_IRQn
#define BLACKBERRY_TRACKBALL_LEFT_CLOCK kCLOCK_PortB
#define BLACKBERRY_TRACKBALL_LEFT_PIN 6
#define BLACKBERRY_TRACKBALL_IRQ_HANDLER PORTB_IRQHandler
// Variables:
extern pointer_delta_t BlackBerryTrackball_PointerDelta;
// Functions:
void BlackberryTrackball_Init(void);
#endif

2
keycluster/src/init_peripherals.c
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@@ -11,6 +11,7 @@
#include "i2c_watchdog.h"
#include "main.h"
#include "module.h"
#include "blackberry_trackball.h"
i2c_slave_config_t slaveConfig;
i2c_slave_handle_t slaveHandle;
@@ -86,4 +87,5 @@ void InitPeripherals(void)
TestLed_Init();
LedPwm_Init();
initI2c();
BlackberryTrackball_Init();
}

7
keycluster/src/slave_protocol_handler.c
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@@ -11,6 +11,7 @@
#include "bootloader.h"
#include "module.h"
#include "versions.h"
#include "blackberry_trackball.h"
i2c_message_t RxMessage;
i2c_message_t TxMessage;
@@ -97,8 +98,10 @@ void SlaveTxHandler(void)
uint8_t messageLength = BOOL_BYTES_TO_BITS_COUNT(MODULE_KEY_COUNT);
if (MODULE_POINTER_COUNT) {
pointer_delta_t *pointerDelta = (pointer_delta_t*)(TxMessage.data + messageLength);
pointerDelta->x = 0;
pointerDelta->y = 0;
pointerDelta->x = BlackBerryTrackball_PointerDelta.x;
pointerDelta->y = BlackBerryTrackball_PointerDelta.y;
BlackBerryTrackball_PointerDelta.x = 0;
BlackBerryTrackball_PointerDelta.y = 0;
if (keyMatrix.keyStates[0]) {
pointerDelta->x = 1;
}