int usb_write(uint8_t *buf, unsigned int nbytes)
{
U16 tosend = nbytes;
U16 sent = 0;
U8 *buffer8 = (U8 *)buf;
int bytesput;
if (usb_ready == 0)
{
return 0;
}
sent = 0;
//if (!txfifo)
// {
// return 0;
// }
//char *str = (char *)buf;
//usart_putstr(_USART1, str);
// blocking mode
while(tosend)
{
bytesput = VCP_DataTx(buffer8,nbytes);
tosend -= bytesput;
buffer8 += bytesput;
sent += bytesput;
}
return sent;
}
int main(void)
{
//Initial Set-up of: SPI, USB, TIM2, and ADC
SysInit();
LMP_SPI_Init();
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);
InitTIM2();
startUSBOTG();
ADC3_CH2_DMA_Config();
TIM_ITConfig(TIM4, TIM_IT_Update, ENABLE);
TIM_ITConfig(TIM4, TIM_IT_CC1, ENABLE);
ADC_DMACmd(ADC3, ENABLE);
//Main Loop: Transmit ADC result to PC
while (1)
{
//Convert array elements in 1000 element array to 8 bit words and store in
//2000 element array
for (int i=0; i<2000; i++)
{
if (i%2 == 0) adc3ch2_16bit[i] = (adc3ch2[i/2] >> 8);
else adc3ch2_16bit[i] = (adc3ch2[i/2]);
}
//Output 2000 element array of ADC results over USB VCP Data line
for (int i=0; i < 2000; i++) VCP_DataTx (&adc3ch2_16bit[i],0);
}
TM_USB_VCP_Result TM_USB_VCP_Send(uint8_t* DataArray, uint32_t Length) {
/* Send array */
VCP_DataTx(DataArray, Length);
/* Return OK */
return TM_USB_VCP_OK;
}
int main(void)
{
//Initial Set-up of: SPI, USB, TIM2, and ADC
SysInit();
SysTickInit();
LMP_SPI_Init();
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);
InitTIM2();
startUSBOTG();
ADC1_Config();
TIM_ITConfig(TIM4, TIM_IT_Update, ENABLE);
TIM_ITConfig(TIM4, TIM_IT_CC1, ENABLE);
//Main Loop: Transmit ADC result to PC
while (1)
{
//Read in from DMA buffer to output array
while(!ADCBuffer[399]); //Wait until last element of buffer is non-zero(testing)
for(int i = 0; i<400; i++) adc_16[i] = ADCBuffer[i];
//Convert 16b array elements in 4000 element array to 8 bit words and store in
//8000 element array
for (int i=0; i<800; i++)
{
if (i%2 == 0) adc_8[i] = (adc_16[i/2] >> 8);
else adc_8[i] = (adc_16[i/2]);
}
//Output 2000 element array of ADC results over USB VCP Data line
APP_Rx_ptr_out = 0;
APP_Rx_length = 0;
APP_Rx_ptr_in = 0;
//for (int i=0; i < 8; i++) VCP_DataTx(&adc_8[i], 1);
VCP_DataTx(&adc_8[55], 1);
}
void Comm_SendOutMsg(const OutputMsg* msg)
{
char outBuf[2*sizeof(OutputMsg)+3];
uint16_t len;
Comm_OutMsgToStr(msg, outBuf, &len);
VCP_DataTx((uint8_t*)outBuf, len);
}
/*******************************************************************************
* Function Name : Send DATA .
* Description : send the data received from the STM32 to the PC through USB
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
uint32_t CDC_Send_DATA(uint8_t *ptrBuffer, uint8_t sendLength)
{
if (USB_Tx_State)
return 0;
VCP_DataTx(ptrBuffer, sendLength);
return sendLength;
}
TM_USB_VCP_Result TM_USB_VCP_Putc(volatile char c) {
uint8_t ce = (uint8_t)c;
/* Send data over USB */
VCP_DataTx(&ce, 1);
/* Return OK */
return TM_USB_VCP_OK;
}
/**
* @brief Sends a string over the USB serial link.
*
* @param buf pointer to char array
* @retval none
*/
void VCP_send_str(uint8_t* buf)
{
uint32_t i=0;
while(*(buf + i))
{
i++;
}
VCP_DataTx(buf, i);
}
void DISCOVERY_COM_IRQHandler(void)
{
GPIO_ToggleBits(LED_BLUE_GPIO_PORT, LED_BLUE_PIN);
// Send the received data to the PC Host
if (USART_GetITStatus(DISCOVERY_COM, USART_IT_RXNE) != RESET)
VCP_DataTx(0,0); //Copies RS232 data to USB
/* If overrun condition occurs, clear the ORE flag and recover communication */
if (USART_GetFlagStatus(DISCOVERY_COM, USART_FLAG_ORE) != RESET)
USART_ReceiveData(DISCOVERY_COM);
}
/**
* @brief EVAL_COM_IRQHandler
* @param None.
* @retval None.
*/
void EVAL_COM_IRQHandler(void)
{
if (USART_GetITStatus(EVAL_COM1, USART_IT_RXNE) != RESET)
{
/* Send the received data to the PC Host*/
VCP_DataTx (0,0);
}
/* If overrun condition occurs, clear the ORE flag and recover communication */
if (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_ORE) != RESET)
{
(void)USART_ReceiveData(EVAL_COM1);
}
}
void shellReadChar(uint8_t ch)
{
shellCmd_t* cmd;
if (ch == '\n' || ch == '\r') {
if (shellBufCnt != 0) {
shellBuf[shellBufCnt++] = ch;
cmd = shellFindCmd(shellBuf);
shellPrintCR();
if (cmd != NULL){
cmd->cmdFunc(&(shellBuf[strlen(cmd->name)]));
} else {
printf("Unknown command\r\n");
}
}
shellBufCnt = 0;
shellPrintCR();
shellPrintPrompt();
} else if (ch == KEY_BACKSPACE) {
if (shellBufCnt > 0) {
shellBuf[--shellBufCnt] = ' ';
shellPrintPrompt();
VCP_DataTx (shellBuf, shellBufCnt + 1);
shellPrintPrompt();
VCP_DataTx (shellBuf, shellBufCnt);
}
else {
shellPrintR();
shellPrintPrompt();
}
} else if (ch < 32 || ch > 126) {
} else {
shellBuf[shellBufCnt++] = ch;
VCP_DataTx (&ch, 1);
}
}
uint32_t usbSendBytes(const uint8_t* sendBuf, uint32_t len) {
VCP_DataTx((uint8_t*)sendBuf, len);
return len;
}
int main(void)
{
#warning change clock hse_value to 25m
SYSTIM_Init();
LEDInit(LED_ACT);
LEDInit(LED_COM);
LEDInit(LED_ERR);
LEDOn(LED_ACT);
LEDOff(LED_COM);
LEDOff(LED_ERR);
SYSTIM_DelayTms(1000);
LEDOff(LED_ACT);
// USBD_Init(&USB_OTG_dev,
// USB_OTG_FS_CORE_ID,
// &USR_desc,
// &USBD_CDC_cb,
// &USR_cb);
usart_init();
UART_DMAInit();
if (!CheckXCLK())
{
XCLK_ON();
SYSTIM_DelayTms(100);
}
#ifdef USE_MT9V034
MT9V034_Init();
#endif
#ifdef USE_MT9D111
MT9D111_Init();
#endif
#warning already enable i2c when init camera
//mpu6050_enable();
memset(Cam_Capture,'1',FULL_IMAGE_SIZE);
Cam_Capture[FULL_IMAGE_SIZE] = 's';
Cam_Capture[FULL_IMAGE_SIZE + 1] = 't';
Cam_Capture[FULL_IMAGE_SIZE + 2] = 'p';
DCMI_CaptureCmd(ENABLE);
while(1)
{
int i=0;
#ifdef TEST_MPU6050
bool res;
res = I2C_ReadBytes(I2C2,data,MPU_ADDR, MPU_DATA, 14);
if (!res)
{
LEDOn(LED_ERR);
}
ax = (double)(data[1] + (data[0]<<8));
ay = (double)(data[3] + (data[2]<<8));
az = (double)(data[5] + (data[4]<<8));
wx = (double)(data[9] + (data[8]<<8));
wy = (double)(data[11] + (data[10]<<8));
wz = (double)(data[13] + (data[12]<<8));
SYSTIM_DelayTms(100);
#endif
if (DCMI_Flag)
{
DCMI_Flag = 0;
LEDToggle(LED_ACT);
// SendImageDMA((uint32_t*)&Cam_Capture[0], FULL_IMAGE_SIZE);
// for (i=0;i<FULL_IMAGE_SIZE;i++)
// {
// Cam_Buffer[i] = Cam_Capture[i];
// }
VCP_DataTx(Cam_Capture,FULL_IMAGE_SIZE+3);
SYSTIM_DelayTms(5000);
DCMI_CaptureCmd(ENABLE);
}
}
}
void usb_cdc_printf(char *s){
VCP_DataTx((uint8_t*)s);
}
/**
* @brief VCP_DataRx
* Data received over USB OUT endpoint are sent over CDC interface
* through this function.
*
* @note
* This function will block any OUT packet reception on USB endpoint
* untill exiting this function. If you exit this function before transfer
* is complete on CDC interface (ie. using DMA controller) it will result
* in receiving more data while previous ones are still not sent.
*
* @param Buf: Buffer of data to be received
* @param Len: Number of data received (in bytes)
* @retval Result of the opeartion: USBD_OK if all operations are OK else VCP_FAIL
*/
uint16_t VCP_DataRx (uint8_t* Buf, uint32_t Len)
{
uint32_t i;
/* too much data in buffer - transmission error */
if(Len > LONGEST_FRAME_SIZE) return USBD_OK;
/* invalid data - transmission error */
if(currentIndex == 0 && Buf[0] != START_BYTE)
{
currentIndex = 0;
return USBD_OK;
}
/* check for discovery frame */
if(Buf[0] == START_BYTE && Buf[1] == DISCOVERY_FRAME
&& Buf[DISCOVERY_FRAME_SIZE -3] == 0 && Buf[DISCOVERY_FRAME_SIZE -2] == 0 && Buf[DISCOVERY_FRAME_SIZE -1] == STOP_BYTE)
{
VCP_DataTx(Buf, 5);
return USBD_OK;
}
/* check for conversion start stop command frame */
if(Buf[0] == START_BYTE && Buf[1] == CONVERSION_FRAME && Buf[CONVERSION_FRAME_SIZE -1] == STOP_BYTE)
{
if(Buf[2] == Buf[4])
{
if(Buf[2] == Stop)
{
devStatus = Idle;
TIM_Cmd(TIM6, DISABLE);
}
else if(Buf[2] == Start && deviceConfiguredFlag == 1)
{
devStatus = Busy;
TIM_Cmd(TIM6, ENABLE);
}
}
}
/* check for config frame */
if(Buf[0] == START_BYTE && Buf[1] == CONFIG_FRAME && Buf[CONFIG_FRAME_SIZE -1] == STOP_BYTE)
{
uint16_t mod = 0, mod2 = 0;
for(i = 0; i < 8; i++)
{
mod += Buf[2 + i];
}
mod2 = (Buf[CONFIG_FRAME_SIZE -3] << 8);
mod2 |= Buf[CONFIG_FRAME_SIZE -2];
if(mod == mod2)
{
/* save settings */
currentSettings.samplingFrequency = (SampligFrequency) Buf[2];
currentSettings.compressionType = (CompressionType) Buf[3];
currentSettings.wordLenght = (WordLenght) Buf[4];
currentSettings.signalSource = (SignalSource) Buf[5];
currentSettings.signalOutput = (SignalOutput) Buf[6];
currentSettings.bitError = (BitError) Buf[7];
double temp = Buf[8];
temp *= 10;
temp += Buf[9];
currentSettings.analogCompressionParam = temp/10.0f;
configurationChangedFlag = 1;
/* create and send response */
Buf[2] = 0;
Buf[3] = 0;
Buf[4] = STOP_BYTE;
VCP_DataTx(Buf, 5);
}
return USBD_OK;
}
return USBD_OK;
}
//------------------------------------------------------------------------------
Usb::Error UsbStm32f4xx::driverTx(const ByteArray& byteArray)
{
VCP_DataTx(byteArray.getItems(), byteArray.getSize());
return ERROR_NONE;
}
/**
* @brief DISCOVERY_COM_IRQHandler
*
* @param None.
* @retval None.
*/
void DISCOVERY_EXTI_IRQHandler(void)
{
/*SEND 'A' to PC via USB evry time User Button is pressd*/
VCP_DataTx (0, (uint32_t) 'A');
}
/*****************************************************************************
* Name:
* usb_cdc_putc
* In:
* s: char
* Description:
* Print the specified string or char via USB
*****************************************************************************/
void usb_cdc_putc(char *s){
VCP_DataTx((uint8_t*)s);
}
void VCP_SendBuf(unsigned char* buf, unsigned int length) {
VCP_DataTx(buf, length);
/**
* @brief Sends one char over the USB serial link.
*
* @param buf: char to be sent
* @retval none
*/
void VCP_put_char(uint8_t buf)
{
VCP_DataTx(&buf,1);
}
void VCP_put_char_printf(void *p, uint8_t buf)
{
VCP_DataTx(&buf,1);
}
/*******************************************************************************
* Function Name : Send DATA .
* Description : send the data received from the STM32 to the PC through USB
* Input : buffer to send, and the length of the buffer.
* Output : None.
* Return : None.
*******************************************************************************/
uint32_t CDC_Send_DATA(const uint8_t *ptrBuffer, uint32_t sendLength)
{
VCP_DataTx(ptrBuffer, sendLength);
return sendLength;
}
//void DISCOVERY_EXTI_IRQHandler(void)
//{
// VCP_DataTx (0, (uint32_t) 'A');
//}
void EXTI0_IRQHandler(void)//EXTI0_IRQn
{
VCP_DataTx (0, (uint32_t) 'A');
//STM_EVAL_LEDOn(LED6);
}
