Files
OpenRGB/Controllers/CrucialController/CrucialControllerDetect.cpp

92 lines
3.6 KiB
C++

#include "Detector.h"
#include "CrucialController.h"
#include "RGBController.h"
#include "RGBController_Crucial.h"
#include "i2c_smbus.h"
#include <vector>
#include <stdio.h>
#include <stdlib.h>
/*----------------------------------------------------------------------*\
| This list contains the available SMBus addresses for Crucial RAM |
\*----------------------------------------------------------------------*/
#define CRUCIAL_ADDRESS_COUNT 4
static const unsigned char crucial_addresses[] =
{
0x20,
0x21,
0x22,
0x23
};
/******************************************************************************************\
* *
* TestForCrucialController *
* *
* Tests the given address to see if an Crucial controller exists there. First does a*
* quick write to test for a response, and if so does a simple read at 0xA0 to test *
* for incrementing values 0...F which was observed at this location during data dump *
* *
\******************************************************************************************/
bool TestForCrucialController(i2c_smbus_interface* bus, unsigned char address)
{
bool pass = false;
int res = bus->i2c_smbus_write_quick(address, I2C_SMBUS_WRITE);
if (res >= 0)
{
pass = true;
for (int i = 0xA0; i < 0xB0; i++)
{
res = bus->i2c_smbus_read_byte_data(address, i);
if (res != (i - 0xA0))
{
pass = false;
}
}
}
return(pass);
} /* TestForCrucialController() */
/******************************************************************************************\
* *
* DetectCrucialControllers *
* *
* Detect Crucial controllers on the enumerated I2C busses. *
* *
* bus - pointer to i2c_smbus_interface where Aura device is connected *
* dev - I2C address of Aura device *
* *
\******************************************************************************************/
void DetectCrucialControllers(std::vector<i2c_smbus_interface*> &busses, std::vector<RGBController*> &rgb_controllers)
{
CrucialController* new_crucial;
RGBController_Crucial* new_controller;
for (unsigned int bus = 0; bus < busses.size(); bus++)
{
// Add Crucial controllers
for (unsigned int address_list_idx = 0; address_list_idx < CRUCIAL_ADDRESS_COUNT; address_list_idx++)
{
if (TestForCrucialController(busses[bus], crucial_addresses[address_list_idx]))
{
new_crucial = new CrucialController(busses[bus], crucial_addresses[address_list_idx]);
new_controller = new RGBController_Crucial(new_crucial);
rgb_controllers.push_back(new_controller);
}
}
}
} /* DetectCrucialControllers() */
REGISTER_I2C_DETECTOR("Crucial", DetectCrucialControllers);