/**
* @brief USB recognized as a standard mouse
* cursor moving according to discovery moving
* @param None
* @retval None
*/
void USB_Demo(void)
{
uint8_t *buf;
STM_EVAL_LEDOn(LED3);
STM_EVAL_LEDOff(LED6);
while ((STM_EVAL_PBGetState(BUTTON_USER) != Bit_SET))
{
buf = USBD_HID_GetPos();
if((buf[1] != 0) ||(buf[2] != 0))
{
USBD_HID_SendReport (&USB_Device_dev,
buf,
4);
/* Insert 50ms delay */
Delay (5);
}
}
/* Wait for User button is released */
while (STM_EVAL_PBGetState(BUTTON_USER) != Bit_RESET)
{}
/* Turn Off Leds */
STM_EVAL_LEDOff(LED3);
STM_EVAL_LEDOff(LED4);
STM_EVAL_LEDOff(LED5);
STM_EVAL_LEDOff(LED6);
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void) {
uint8_t i = 0;
/* SysTick end of count event each 10ms */
RCC_GetClocksFreq(&RCC_Clocks);
SysTick_Config(RCC_Clocks.HCLK_Frequency / 100);
/* Configure the USB */
USB_Config();
/* Accelerometer Configuration */
Acc_Config();
/* Init push buttons */
STM_EVAL_PBInit(BUTTON_USER, BUTTON_MODE_GPIO);
/* Init LEDs */
STM_EVAL_LEDInit(LED3);
/* Infinite loop */
while (1) {
/* Wait for data ready */
while (DataReady != 0x04) {
}
DataReady = 0x00;
/* Get Data Accelerometer */
Acc_ReadData(AccBuffer);
for (i = 0; i < 3; i++)
AccBuffer[i] /= 100.0f;
// Get mouse info
Mouse_Buffer = USBD_HID_GetPos();
/* Update the cursor position */
if (!mouseZeroPacketOutputted || (Mouse_Buffer[0] != 0 || Mouse_Buffer[1] != 0 || Mouse_Buffer[2] != 0 || Mouse_Buffer[3] != 0))
{
/* Reset the control token to inform upper layer that a transfer is ongoing */
PrevXferComplete = 0;
/* Copy mouse position info in ENDP1 Tx Packet Memory Area*/
USB_SIL_Write(EP1_IN, Mouse_Buffer, 4);
/* Enable endpoint for transmission */
SetEPTxValid(ENDP1 );
}
// We find that the mouse buffer is zero so we know that we have outputted the zero packet
// This means we can stop transferring data
if((Mouse_Buffer[0] == 0 && Mouse_Buffer[1] == 0 && Mouse_Buffer[2] == 0 && Mouse_Buffer[3] == 0))
mouseZeroPacketOutputted = 1;
else
mouseZeroPacketOutputted = 0;
}
}
/**
* @brief This function handles SysTick Handler.
* @param None
* @retval None
*/
void SysTick_Handler(void)
{
uint8_t *buf;
buf = USBD_HID_GetPos();
if((buf[1] != 0) ||(buf[2] != 0))
{
USBD_HID_MSC_SendHidReport (&USB_OTG_dev, buf, 4);
}
}
void SysTick_Handler(void)
{
static uint8_t * buf;
buf = USBD_HID_GetPos(); // 获取按键值，存入HID_Buffer
if((buf[1] != 0) ||(buf[2] != 0))
{
USBD_HID_SendReport (&USB_OTG_dev, buf, 64);
printf("buf addr: %d : %d %d %d %d \r\n",(uint32_t)buf, buf[0],buf[1],buf[2],buf[3]);
}
}
/**
* @brief This function sends the input report repeatedly.
* @param None
* @retval None
*/
void SysTick_Handler(void)
{
uint8_t *buf;
/* Get Joystick position */
buf = USBD_HID_GetPos();
/* Update the cursor position */
if((buf[1] != 0) ||(buf[2] != 0))
{
/* Send Report */
USBD_HID_SendReport (&USB_Device_dev,
buf,
4);
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
uint8_t i = 0;
/* SysTick end of count event each 10ms */
RCC_GetClocksFreq(&RCC_Clocks);
SysTick_Config(RCC_Clocks.HCLK_Frequency / 100);
/* Configure the USB */
USB_Config();
/* Accelerometer Configuration */
Acc_Config();
/* Infinite loop */
while (1)
{
/* Wait for data ready */
while(DataReady !=0x02)
{}
DataReady = 0x00;
/* Get Data Accelerometer */
Acc_ReadData(AccBuffer);
for(i=0;i<3;i++)
AccBuffer[i] /= 100.0f;
/* Get position */
Mouse_Buffer = USBD_HID_GetPos();
/* Update the cursor position */
if((Mouse_Buffer[1] != 0) ||(Mouse_Buffer[2] != 0))
{
/* Reset the control token to inform upper layer that a transfer is ongoing */
PrevXferComplete = 0;
/* Copy mouse position info in ENDP1 Tx Packet Memory Area*/
USB_SIL_Write(EP1_IN, Mouse_Buffer, 4);
/* Enable endpoint for transmission */
SetEPTxValid(ENDP1);
}
}
}
/**
* @brief SYSTICK callback.
* @param None
* @retval None
*/
void HAL_SYSTICK_Callback(void)
{
uint8_t *buf;
uint16_t Temp_X, Temp_Y = 0x00;
uint16_t NewARR_X, NewARR_Y = 0x00;
if (DemoEnterCondition != 0x00)
{
buf = USBD_HID_GetPos();
if((buf[1] != 0) ||(buf[2] != 0))
{
USBD_HID_SendReport (&hUSBDDevice,
buf,
4);
}
Counter ++;
if (Counter == 10)
{
/* Reset Buffer used to get accelerometer values */
Buffer[0] = 0;
Buffer[1] = 0;
/* Disable All TIM4 Capture Compare Channels */
HAL_TIM_PWM_Stop(&htim4, TIM_CHANNEL_1);
HAL_TIM_PWM_Stop(&htim4, TIM_CHANNEL_2);
HAL_TIM_PWM_Stop(&htim4, TIM_CHANNEL_3);
HAL_TIM_PWM_Stop(&htim4, TIM_CHANNEL_4);
/* Read Acceleration*/
BSP_ACCELERO_GetXYZ(Buffer);
/* Set X and Y positions */
X_Offset = Buffer[0];
Y_Offset = Buffer[1];
/* Update New autoreload value in case of X or Y acceleration*/
/* Basic acceleration X_Offset and Y_Offset are divide by 40 to fir with ARR range */
NewARR_X = TIM_ARR - ABS(X_Offset/40);
NewARR_Y = TIM_ARR - ABS(Y_Offset/40);
/* Calculation of Max acceleration detected on X or Y axis */
Temp_X = ABS(X_Offset/40);
Temp_Y = ABS(Y_Offset/40);
MaxAcceleration = MAX_AB(Temp_X, Temp_Y);
if(MaxAcceleration != 0)
{
/* Reset CNT to a lowest value (equal to min CCRx of all Channels) */
__HAL_TIM_SET_COUNTER(&htim4,(TIM_ARR-MaxAcceleration)/2);
if (X_Offset < ThreadholdAcceleroLow)
{
/* Sets the TIM4 Capture Compare for Channel1 Register value */
/* Equal to NewARR_X/2 to have duty cycle equal to 50% */
__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_1, NewARR_X/2);
/* Time base configuration */
__HAL_TIM_SET_AUTORELOAD(&htim4, NewARR_X);
/* Enable TIM4 Capture Compare Channel1 */
HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_1);
}
else if (X_Offset > ThreadholdAcceleroHigh)
{
/* Sets the TIM4 Capture Compare for Channel3 Register value */
/* Equal to NewARR_X/2 to have duty cycle equal to 50% */
__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_3, NewARR_X/2);
/* Time base configuration */
__HAL_TIM_SET_AUTORELOAD(&htim4, NewARR_X);
/* Enable TIM4 Capture Compare Channel3 */
HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_3);
}
if (Y_Offset > ThreadholdAcceleroHigh)
{
/* Sets the TIM4 Capture Compare for Channel2 Register value */
/* Equal to NewARR_Y/2 to have duty cycle equal to 50% */
__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_2,NewARR_Y/2);
/* Time base configuration */
__HAL_TIM_SET_AUTORELOAD(&htim4, NewARR_Y);
/* Enable TIM4 Capture Compare Channel2 */
HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_2);
}
else if (Y_Offset < ThreadholdAcceleroLow)
{
/* Sets the TIM4 Capture Compare for Channel4 Register value */
/* Equal to NewARR_Y/2 to have duty cycle equal to 50% */
__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_4, NewARR_Y/2);
/* Time base configuration */
__HAL_TIM_SET_AUTORELOAD(&htim4, NewARR_Y);
/* Enable TIM4 Capture Compare Channel4 */
HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_4);
}
}
Counter = 0x00;
}
}
}
/**
* @brief This function handles SysTick Handler.
* @param None
* @retval None
*/
void SysTick_Handler(void)
{
uint8_t *buf;
uint8_t temp1, temp2 = 0x00;
if (DemoEnterCondition == 0x00)
{
TimingDelay_Decrement();
}
else
{
buf = USBD_HID_GetPos();
if((buf[1] != 0) ||(buf[2] != 0))
{
USBD_HID_SendReport (&USB_OTG_dev,
buf,
4);
}
Counter ++;
if (Counter == 10)
{
Buffer[0] = 0;
Buffer[2] = 0;
/* Disable All TIM4 Capture Compare Channels */
TIM_CCxCmd(TIM4, TIM_Channel_1, DISABLE);
TIM_CCxCmd(TIM4, TIM_Channel_2, DISABLE);
TIM_CCxCmd(TIM4, TIM_Channel_3, DISABLE);
TIM_CCxCmd(TIM4, TIM_Channel_4, DISABLE);
LIS302DL_Read(Buffer, LIS302DL_OUT_X_ADDR, 6);
/* Remove the offsets values from data */
Buffer[0] -= X_Offset;
Buffer[2] -= Y_Offset;
/* Update autoreload and capture compare registers value*/
temp1 = ABS((int8_t)(Buffer[0]));
temp2 = ABS((int8_t)(Buffer[2]));
TempAcceleration = MAX(temp1, temp2);
if(TempAcceleration != 0)
{
if ((int8_t)Buffer[0] < -2)
{
/* Enable TIM4 Capture Compare Channel 4 */
TIM_CCxCmd(TIM4, TIM_Channel_4, ENABLE);
/* Sets the TIM4 Capture Compare4 Register value */
TIM_SetCompare4(TIM4, TIM_CCR/TempAcceleration);
}
if ((int8_t)Buffer[0] > 2)
{
/* Enable TIM4 Capture Compare Channel 2 */
TIM_CCxCmd(TIM4, TIM_Channel_2, ENABLE);
/* Sets the TIM4 Capture Compare2 Register value */
TIM_SetCompare2(TIM4, TIM_CCR/TempAcceleration);
}
if ((int8_t)Buffer[2] > 2)
{
/* Enable TIM4 Capture Compare Channel 1 */
TIM_CCxCmd(TIM4, TIM_Channel_1, ENABLE);
/* Sets the TIM4 Capture Compare1 Register value */
TIM_SetCompare1(TIM4, TIM_CCR/TempAcceleration);
}
if ((int8_t)Buffer[2] < -2)
{
/* Enable TIM4 Capture Compare Channel 3 */
TIM_CCxCmd(TIM4, TIM_Channel_3, ENABLE);
/* Sets the TIM4 Capture Compare3 Register value */
TIM_SetCompare3(TIM4, TIM_CCR/TempAcceleration);
}
/* Time base configuration */
TIM_SetAutoreload(TIM4, TIM_ARR/TempAcceleration);
}
Counter = 0x00;
}
}
}
