uint8_t ACCEL_LowLevelInit(void) {
uint8_t res;
res = MMA1_Init(); /* this might communicate to the device using I2C, so it needs interrupts enabled */
if (res!=ERR_OK) {
return res;
}
res = ACCEL_Enable();
if (res!=ERR_OK) {
return res;
}
res = MMA1_SetFastMode(FALSE); /* disable fast mode of the sensor: otherwise we cannot read individual sensor values */
if (res!=ERR_OK) {
return res;
}
return ERR_OK;
}
/*---------------------------------------------------------------------------*/
static int
configure(int type, int value)
{
switch (type)
{
case SENSORS_HW_INIT:
return MMA1_Init();
case SENSORS_ACTIVE:
if (value)
{
activate();
}
else
{
deactivate();
}
return 1;
case ACC_FAST_MODE:
MMA1_SetFastMode(value);
return 1;
}
return 0;
}
void APP_Run(void) {
int cnt=0; /* counter to slow down LED blinking */
uint8_t res;
int16_t xyz[3];
#if 0
res = MMA1_Init();
if (res!=ERR_OK) {
Err();
}
res = MMA1_SetFastMode(FALSE);
if (res!=ERR_OK) {
Err();
}
res = MMA1_Enable(); /* enable accelerometer */
if (res!=ERR_OK) {
Err();
}
#endif
for(;;) {
WAIT1_Waitms(10);
#if 0
/* implement 'air-mouse' movement */
xyz[0] = MMA1_GetX();
xyz[1] = MMA1_GetY();
xyz[3] = MMA1_GetZ();
/* y axis */
if (xyz[1]>AIR_THRESHOLD) {
(void)HIDK2_Move(0, 2); /* moving the cursor left */
} else if (xyz[1]<-AIR_THRESHOLD) {
(void)HIDK2_Move(0, -2); /* moving the cursor right */
}
/* x axis */
if (xyz[0]>AIR_THRESHOLD) {
(void)HIDK2_Move(-2, 0); /* moving the cursor up */
} else if (xyz[0]<-AIR_THRESHOLD) {
(void)HIDK2_Move(2, 0); /* moving the cursor down */
}
#endif
cnt++;
if (HIDM1_App_Task()==ERR_BUSOFF) {
if ((cnt%128)==0) { /* just slow down blinking */
LED1_Neg(); /* red LED */
LED2_Off();
}
} else {
if ((cnt%128)==0) { /* just slow down blinking */
LED1_Off();
LED2_Neg(); /* green LED */
}
if (SW2_GetVal()==0) { /* button pressed */
WAIT1_Waitms(100); /* wait for debouncing */
if (SW2_GetVal()==0) { /* still pressed */
//(void)HIDK2_Send(0, 8, 8); /* raw move message */
//(void)HIDK2_Send(HIDK2_MOUSE_LEFT, 0, 0); /* send left mouse button */
//(void)HIDK2_Send(0, 0, 0); /* send release button message */
//(void)HIDK2_Move(-8, 0); /* moving the cursor up */
//HIDK2_Click(HIDK2_MOUSE_LEFT); /* left mouse click */
HIDM1_Click(HIDM1_MOUSE_RIGHT); /* right mouse click */
}
while(SW2_GetVal()==0) {} /* wait until button is released */
}
if (SW3_GetVal()==0) { /* button pressed */
WAIT1_Waitms(100); /* wait for debouncing */
if (SW3_GetVal()==0) { /* still pressed */
HIDM1_Click(HIDM1_MOUSE_LEFT); /* left mouse click */
}
while(SW3_GetVal()==0) {} /* wait until button is released */
}
}
}
}
