/*!
* brief Main function. Execution starts here.
*/
int main(void)
{
// Reset RIMA counter
DEBUG_TotalRIMA_Count = 0;
// Initialize everything here...
init_mcu();
// Continue...
init_mcu_led();
init_pipe_job_system();
init_XLINK();
init_USB();
// Initialize A2D
a2d_init();
a2d_get_temp(0); // This is to clear the first invalid conversion result...
a2d_get_temp(1); // This is to clear the first invalid conversion result...
a2d_get_voltage(0); // This is to clear the first invalid conversion result...
a2d_get_voltage(1); // This is to clear the first invalid conversion result...
a2d_get_voltage(2); // This is to clear the first invalid conversion result...
// Initialize timer
MCU_Timer_Initialize();
MCU_Timer_SetInterval(10);
MCU_Timer_Start();
// Turn on the front LED
MCU_MainLED_Initialize();
MCU_MainLED_Set();
// Initialize flash-saving sequence
__AVR32_Flash_Initialize();
// Initialize FAN subsystem
FAN_SUBSYS_Initialize();
// Initialize Global Activity Chip LEDs
GLOBAL_ChipActivityLEDCounter[0] = 0;
GLOBAL_ChipActivityLEDCounter[1] = 0;
GLOBAL_ChipActivityLEDCounter[2] = 0;
GLOBAL_ChipActivityLEDCounter[3] = 0;
GLOBAL_ChipActivityLEDCounter[4] = 0;
GLOBAL_ChipActivityLEDCounter[5] = 0;
GLOBAL_ChipActivityLEDCounter[6] = 0;
GLOBAL_ChipActivityLEDCounter[7] = 0;
// Reset the total number of engines detected on startup
GLOBAL_TotalEnginesDetectedOnStartup = 0;
// Initialize total thermal cycles
GLOBAL_TOTAL_THERMAL_CYCLES = 0;
// Last time JobIssue was called.
GLOBAL_LastJobIssueToAllEngines = 0;
// Wait for 500ms before doing anything
volatile unsigned int iHolder = MACRO_GetTickCountRet;
while (MACRO_GetTickCountRet + 2 - iHolder < 500000) WATCHDOG_RESET;
// Perform an ASIC GET CHIP COUNT
init_ASIC();
// Now set the side-led's accordingly
#if defined(__PRODUCT_MODEL_LITTLE_SINGLE) || defined(__PRODUCT_MODEL_JALAPENO)
if (ASIC_does_chip_exist(0) == TRUE) MCU_LED_Set(1);
if (ASIC_does_chip_exist(1) == TRUE) MCU_LED_Set(2);
if (ASIC_does_chip_exist(2) == TRUE) MCU_LED_Set(3);
if (ASIC_does_chip_exist(3) == TRUE) MCU_LED_Set(4);
if (ASIC_does_chip_exist(4) == TRUE) MCU_LED_Set(5);
if (ASIC_does_chip_exist(5) == TRUE) MCU_LED_Set(6);
if (ASIC_does_chip_exist(6) == TRUE) MCU_LED_Set(7);
if (ASIC_does_chip_exist(7) == TRUE) MCU_LED_Set(8);
#endif
// Detect if we're chain master or not [MODIFY]
XLINK_ARE_WE_MASTER = XLINK_detect_if_we_are_master(); // For the moment we're the chain master [MODIFY]
if (XLINK_ARE_WE_MASTER)
{
// Wait for a small time
blink_medium();
WATCHDOG_RESET;
blink_medium();
WATCHDOG_RESET;
blink_medium();
WATCHDOG_RESET;
blink_medium();
WATCHDOG_RESET;
blink_medium();
WATCHDOG_RESET;
blink_medium();
WATCHDOG_RESET;
// Initialize the XLINK. Interrogate all devices in the chain and assign then addresses
if (XLINK_is_cpld_present() == TRUE)
{
// We're the master, set proper configuration
XLINK_set_cpld_id(0);
XLINK_set_cpld_master(TRUE);
XLINK_set_cpld_passthrough(FALSE);
if (XLINK_MASTER_Start_Chain() == FALSE)
{
// Ok this can be bad, we failed the chain initialization
}
}
}
else
{
if (XLINK_is_cpld_present() == TRUE)
{
// Disable pass-through and set our cpld-address = 0x1E
// We will await enumeration
XLINK_set_cpld_id(XLINK_GENERAL_DISPATCH_ADDRESS);
XLINK_set_cpld_master(FALSE);
XLINK_set_cpld_passthrough(FALSE);
}
}
// Reset global values
global_vals[0] = 0;
global_vals[1] = 0;
global_vals[2] = 0;
global_vals[3] = 0;
global_vals[4] = 0;
global_vals[5] = 0;
GLOBAL_BLINK_REQUEST = 0;
GLOBAL_PULSE_BLINK_REQUEST = 0;
// Clear ASIC Results... This will make sure the diagnostic nonces are cleared
unsigned int iNonceValues[16];
unsigned int iNonceCount;
ASIC_get_job_status(iNonceValues, &iNonceCount, FALSE, 0);
// Did we reset the ASICs internally?
GLOBAL_INTERNAL_ASIC_RESET_EXECUTED = FALSE;
// Go to our protocol main loop
MCU_Main_Loop();
return(0);
}
void FAN_SUBSYS_IntelligentFanSystem_Spin(void)
{
// We execute this function every 50th call
/*
static char __attempt = 0;
if (__attempt++ < 10) return;
// It is the 50th call
__attempt = 0;
*/
// Check temperature
//int iTemp1 = __AVR32_A2D_GetTemp1();
//int iTemp2 = __AVR32_A2D_GetTemp2();
int iTemp1 = __ARM_A2D_GetTemp1();
int iTemp2 = __ARM_A2D_GetTemp2();
int iTempAveraged = (iTemp1 > iTemp2) ? iTemp1 : iTemp2; // (iTemp2 + iTemp1) / 2;
if (iTempAveraged > 90)
{
// Holy jesus! We're in a critical situation...
GLOBAL_CRITICAL_TEMPERATURE = TRUE;
}
else
{
if (GLOBAL_CRITICAL_TEMPERATURE == TRUE)
{
if (iTempAveraged < 60) // Hysterysis
{
GLOBAL_CRITICAL_TEMPERATURE = FALSE;
// Also, restart the ASICs
#if defined(__ASICS_RESTART_AFTER_HIGH_TEMP_RECOVERY)
init_ASIC();
#endif
}
}
else
{
// If we're here, it means we're not critical anymore
GLOBAL_CRITICAL_TEMPERATURE = FALSE;
}
}
// Do we remain at full speed? If so, get it done and return
#if defined(FAN_SUBSYSTEM_REMAIN_AT_FULL_SPEED)
__ARM_FAN_SetSpeed(FAN_CONTROL_BYTE_REMAIN_FULL_SPEED);
return;
#endif
// Are we close to the critical temperature? Override FAN if necessary
if (iTempAveraged > 70)
{
// Override fan, set it to maximum
__ARM_FAN_SetSpeed(FAN_CONTROL_BYTE_VERY_FAST);
// We're done. The device will no longer process nonces
return;
}
// Ok, now set the FAN speed according to our setting
if (FAN_ActualState == FAN_STATE_VERY_SLOW)
{
// Set the fan speed
__ARM_FAN_SetSpeed(FAN_CONTROL_BYTE_VERY_SLOW);
return;
}
else if (FAN_ActualState == FAN_STATE_SLOW)
{
// Set the fan speed
__ARM_FAN_SetSpeed(FAN_CONTROL_BYTE_SLOW);
return;
}
else if (FAN_ActualState == FAN_STATE_MEDIUM)
{
// Set the fan speed
__ARM_FAN_SetSpeed(FAN_CONTROL_BYTE_MEDIUM);
return;
}
else if (FAN_ActualState == FAN_STATE_FAST)
{
// Set the fan speed
__ARM_FAN_SetSpeed(FAN_CONTROL_BYTE_FAST);
return;
}
else if (FAN_ActualState == FAN_STATE_VERY_FAST)
{
// Set the fan speed
__ARM_FAN_SetSpeed(FAN_CONTROL_BYTE_VERY_FAST);
return;
}
// We're in AUTO mode... There are rules to respect form here...
if (iTempAveraged <= 30)
{
__ARM_FAN_SetSpeed(FAN_CONTROL_BYTE_VERY_SLOW);
}
else if ((iTempAveraged > 35) && (iTempAveraged <= 42))
{
__ARM_FAN_SetSpeed(FAN_CONTROL_BYTE_SLOW);
}
else if ((iTempAveraged > 45) && (iTempAveraged <= 53))
{
__ARM_FAN_SetSpeed(FAN_CONTROL_BYTE_MEDIUM);
}
else if ((iTempAveraged > 57) && (iTempAveraged <= 67))
{
__ARM_FAN_SetSpeed(FAN_CONTROL_BYTE_FAST);
}
else if (iTempAveraged > 70)
{
__ARM_FAN_SetSpeed(FAN_CONTROL_BYTE_VERY_FAST);
}
// Ok, We're done...
}