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Add TPM2 protocol support for LED Strip controller

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Adam Honse committed 2021-01-14 17:00:07 -06:00
1 parent 4a1a6cde5d
commit 5503560775
3 files changed
+111 -3
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Controllers/LEDStripController/LEDStripController.cpp
+71 -1
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@@ -20,13 +20,16 @@ LEDStripController::~LEDStripController()
{
}
void LEDStripController::Initialize(char* ledstring)
void LEDStripController::Initialize(char* ledstring, led_protocol proto)
{
LPSTR numleds = NULL;
LPSTR source = NULL;
LPSTR udpport_baud = NULL;
LPSTR next = NULL;
//Set the protocol
protocol = proto;
//Assume serial device unless a different protocol is specified
bool serial = TRUE;
@@ -123,6 +126,23 @@ char* LEDStripController::GetLEDString()
}
void LEDStripController::SetLEDs(std::vector<RGBColor> colors)
{
switch(protocol)
{
case LED_PROTOCOL_KEYBOARD_VISUALIZER:
SetLEDsKeyboardVisualizer(colors);
break;
case LED_PROTOCOL_ADALIGHT:
break;
case LED_PROTOCOL_TPM2:
SetLEDsTPM2(colors);
break;
}
}
void LEDStripController::SetLEDsKeyboardVisualizer(std::vector<RGBColor> colors)
{
unsigned char *serial_buf;
@@ -160,3 +180,53 @@ void LEDStripController::SetLEDs(std::vector<RGBColor> colors)
delete[] serial_buf;
}
void LEDStripController::SetLEDsTPM2(std::vector<RGBColor> colors)
{
unsigned char *serial_buf;
/*-------------------------------------------------------------*\
| TPM2 Protocol |
| |
| Packet size: Number of data bytes + 5 |
| |
| 0: Packet Start Byte (0xC9) |
| 1: Packet Type (0xDA - Data, 0xC0 - Command, 0xAA - Read) |
| 2: Payload Size MSB |
| 3: Payload Size LSB |
| 4-n: Data Bytes |
| n+1: Packet End Byte (0x36) |
\*-------------------------------------------------------------*/
unsigned int payload_size = (colors.size() * 3);
unsigned int packet_size = payload_size + 5;
serial_buf = new unsigned char[packet_size];
/*-------------------------------------------------------------*\
| Set up header and end byte |
\*-------------------------------------------------------------*/
serial_buf[0x00] = 0xC9;
serial_buf[0x01] = 0xDA;
serial_buf[0x02] = (payload_size >> 8);
serial_buf[0x03] = (payload_size & 0xFF);
serial_buf[packet_size - 1] = 0x36;
/*-------------------------------------------------------------*\
| Copy in color data in RGB order |
\*-------------------------------------------------------------*/
for(unsigned int color_idx = 0; color_idx < colors.size(); color_idx++)
{
unsigned int color_offset = color_idx * 3;
serial_buf[0x04 + color_offset] = RGBGetRValue(colors[color_idx]);
serial_buf[0x05 + color_offset] = RGBGetGValue(colors[color_idx]);
serial_buf[0x06 + color_offset] = RGBGetBValue(colors[color_idx]);
}
if (serialport != NULL)
{
serialport->serial_write((char *)serial_buf, packet_size);
}
delete[] serial_buf;
}