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ws2812-stm32/Core/Src/usb_parsing.c

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/*
* usb_parsing.c
*
* The MIT License.
* Created on: 15.11.2018
* Author: Mateusz Salamon
* www.msalamon.pl
* mateusz@msalamon.pl
*/
#include "stm32f1xx_hal.h"
#include "usbd_cdc_if.h"
#include <stdlib.h>
#include <string.h>
#include "ws2812b.h"
#include "ws2812b_fx.h"
#include "usb_parsing.h"
uint8_t USBDataRX[50]; // Array for receive USB messages
uint8_t USBReceivedDataFlag; // Received USB data flag
uint8_t USBDataTX[50]; // Array for transmission USB messages
uint8_t USBDataLength; // USB message length
void UnknownCommand(void)
{
USBDataLength = sprintf((char*)USBDataTX, "Unknown command\n\r");
}
void ColorControl(void)
{
char *buf;
int16_t Seg;
uint8_t Color[3];
if((buf = strtok((char*)USBDataRX+1, ","))) // Segment number
{
Seg = atoi(buf);
for(uint8_t i = 0; i < 3; i++)
{
if((buf = strtok(NULL, ","))) // Speed
{
Color[i] = atoi(buf);
}
else
{
USBDataLength = sprintf((char*)USBDataTX, "Color command error\n\r");
return;
}
}
WS2812BFX_SetColorRGB(Seg, Color[0], Color[1], Color[2]);
USBDataLength = sprintf((char*)USBDataTX, "ColorID:%d Value:%dR, %dG, %dB\n\r", Seg, Color[0], Color[1], Color[2]);
return;
}
USBDataLength = sprintf((char*)USBDataTX, "Color command error\n\r");
}
void SpeedControl(void)
{
char *buf;
int16_t Seg;
uint16_t Speed;
if((buf = strtok((char*)USBDataRX+1, ","))) // Segment number
{
Seg = atoi(buf);
if((buf = strtok(NULL, ","))) // Speed
{
if((Speed = atoi(buf)) > 0)
{
WS2812BFX_SetSpeed(Seg, Speed);
USBDataLength = sprintf((char*)USBDataTX, "Segment:%d Speed:%d\n\r", Seg, Speed);
return;
}
}
}
USBDataLength = sprintf((char*)USBDataTX, "Speed command error\n\r");
}
void ModeControl(void)
{
char *buf;
int16_t Seg;
int16_t Mode;
buf = strtok((char*)USBDataRX+1, ","); // Segment number
Seg = atoi(buf);
if((buf = strtok(NULL, ",")))
{
if(buf[0] == 'S')
{
WS2812BFX_Start(Seg);
USBDataLength = sprintf((char*)USBDataTX, "Segment:%d Start\n\r", Seg);
return;
}
else if(buf[0] == 'T')
{
WS2812BFX_Stop(Seg);
USBDataLength = sprintf((char*)USBDataTX, "Segment:%d Stop\n\r", Seg);
return;
}
else // Mode
{
if((Mode = atoi(buf)) > 0)
{
WS2812BFX_SetMode(Seg, Mode);
USBDataLength = sprintf((char*)USBDataTX, "Segment:%d Mode:%d\n\r", Seg, Mode);
return;
}
}
}
USBDataLength = sprintf((char*)USBDataTX, "mode command error\n\r");
}
void SegmentsControl(void)
{
int16_t Seg;
uint8_t mode_tmp;
if(USBDataRX[1] == '-')
{
WS2812BFX_SegmentDecrease();
}
else if(USBDataRX[1] == '+')
{
WS2812BFX_SegmentIncrease();
WS2812BFX_SetMode(WS2812BFX_GetSegmentsQuantity() - 1, rand()%MODE_COUNT);
WS2812BFX_Start(WS2812BFX_GetSegmentsQuantity() - 1);
}
else if((Seg = atoi((char*)(USBDataRX+1))) > 0)
{
WS2812BFX_Init(Seg);
}
else
{
USBDataLength = sprintf((char*)USBDataTX, "Segment command error\n\r");
return;
}
WS2812BFX_GetMode(WS2812BFX_GetSegmentsQuantity()-1, &mode_tmp);
USBDataLength = sprintf((char*)USBDataTX, "Segments:%d Last mode:%d\n\r", WS2812BFX_GetSegmentsQuantity(), mode_tmp);
}
void SegmentRangeControl(void)
{
char *buf;
int16_t Seg;
int16_t Start;
int16_t End;
buf = strtok((char*)USBDataRX+1, ","); // Segment number
Seg = atoi(buf);
if((buf = strtok(NULL, ",")))
{
if(buf[0] == 'R') // Range (Stanrt and Stop)
{
if((buf = strtok(NULL, ","))) // Speed
{
if((Start = atoi(buf)) > 0)
{
if((buf = strtok(NULL, ","))) // Speed
{
if((End = atoi(buf)) > 0)
{
WS2812BFX_SetSegmentSize(Seg, Start, End);
USBDataLength = sprintf((char*)USBDataTX, "Segment:%d Range:%d - %d\n\r", Seg, Start, End);
return;
}
else
USBDataLength = sprintf((char*)USBDataTX, "Segment range End error\n\r");
return;
}
}
else
USBDataLength = sprintf((char*)USBDataTX, "Segment range Start error\n\r");
return;
}
}
else if(buf[0] == 'S') //Start
{
if(buf[1] == '+')
{
WS2812BFX_SegmentIncreaseStart(Seg);
USBDataLength = sprintf((char*)USBDataTX, "Segment:%d Start increase\n\r", Seg);
return;
}
if(buf[1] == '-')
{
WS2812BFX_SegmentDecreaseStart(Seg);
USBDataLength = sprintf((char*)USBDataTX, "Segment:%d Start decrease\n\r", Seg);
return;
}
}
else if(buf[0] == 'E') //END
{
if(buf[1] == '+')
{
WS2812BFX_SegmentIncreaseEnd(Seg);
USBDataLength = sprintf((char*)USBDataTX, "Segment:%d End increase\n\r", Seg);
return;
}
if(buf[1] == '-')
{
WS2812BFX_SegmentDecreaseEnd(Seg);
USBDataLength = sprintf((char*)USBDataTX, "Segment:%d End decrease\n\r", Seg);
return;
}
}
}
USBDataLength = sprintf((char*)USBDataTX, "Segment range command error\n\r");
}
void PrintHelp(void)
{
USBDataLength = sprintf((char*)USBDataTX, "\033[2J\033[0;0H");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, "==============HELP=============\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, "Change Segments quantity:\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, " 'Sx' Set x segments(1 - LEDs/2)\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, " 'S+' add one segment\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, " 'S-' remove one segment\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, "Change Segments length:\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, " 'Rx,S+' Increase start point x ");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, "segment\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, " 'Rx,S-' Decrease start point x ");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, "segment\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, " 'Rx,E+' Increase end point x ");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, "segment\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, " 'Rx,E-' Decrease end point x ");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, "segment\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, " 'Rx,R,y,z' Set start(y) and stop(z) po");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, "int x segment\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, "Change segment's mode:\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, " 'Mx,S' Start segment x\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, " 'Mx,T' Stop segment x\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, " 'Mx,y' Set y mode for x segment\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, "Change segment's speed:\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, " 'Vx,y' Set y speed for x segment\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, "Set color:\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, " 'Cx,r,g,b' x - ColorID, rgb values\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
USBDataLength = sprintf((char*)USBDataTX, "===============================\n\r");
while(USBD_BUSY == CDC_Transmit_FS(USBDataTX, USBDataLength));
}
void USB_Parsing(void)
{
if(USBReceivedDataFlag == 1)
{
USBReceivedDataFlag = 0;
switch (USBDataRX[0])
{
case 'C':
ColorControl();
break;
case 'V':
SpeedControl();
break;
case 'M':
ModeControl();
break;
case 'S':
SegmentsControl();
break;
case 'R':
SegmentRangeControl();
break;
case 'H':
PrintHelp();
break;
default:
UnknownCommand();
break;
}
CDC_Transmit_FS(USBDataTX, USBDataLength); // Send confirmation message
}
}