Modules
	Heart Beat Blinker

	Voltage In and Reset State Machine
	vin and reset the state machine

	Modbus WDT State Machine
	The modbus watchdog timer state machine.

	Configuration State Machine
	The configuration state machine starts and maintains the system configuration.

Data Structures
union	sv_dev_sta_t

Enumerations
enum	LastRst_t { eLR_Init = 0 , eLR_VSM , eLR_WDT }

Functions
void	SiLabs_Startup (void)
	SiLabs_Startup() Routine.

int	main (void)

Variables
volatile sv_dev_sta_t	sv_dev_sta = {0}

volatile t1Count_t	t1Count = 0

volatile uint8_t	t0Count = 0

uint8_t	T0C_TOP = 0

Detailed Description

Enumeration Type Documentation

◆ LastRst_t

enum LastRst_t

Last Reset Source _ Type

Last Reset Source _ Type

Enumerator
eLR_Init	Initial State. No recorded reset.
eLR_VSM	A low voltage condition caused the last reset.
eLR_WDT	The modbus watchdog timer caused the last reset.

Definition at line 87 of file IoT_Supervisor.h.

Function Documentation

◆ main()

int main ( void )

This is the main function where the configuration and modbus are run.

It is assumed that the main function is run after the cinit and startup implementations, so all global and static variables are initialized to their correct default values.

The main function takes into consideration the reset condition to determine whether the vin state machine should start into the "ok" state or the "Init" state.

The main function implements a counter-based system using the t1Count global which is incremented once a millisecond. An internal counter is incremented each time the modbus loop is executed. This makes it acceptable for the modbus process to overrun its timeslot through multiple cycles without affecting the number of times it is executed for timing purposes. Note that there is an anti-windup feature activated when run_petitmodbus is not set where the internal counter is immediately set to the value of t1Count rather than incremented upon each execution.

Returns: main functions usually have a return that should never get reached.

Definition at line 831 of file IoT Supervisor_main.c.

◆ SiLabs_Startup()

void SiLabs_Startup ( void )

SiLabs_Startup() Routine.

This function is called immediately after reset, before the initialization code is run in SILABS_STARTUP.A51 (which runs before main() ). This is a useful place to disable the watchdog timer, which is enabled by default and may trigger before main() in some instances.

Definition at line 38 of file IoT Supervisor_main.c.

Variable Documentation

◆ sv_dev_sta

volatile sv_dev_sta_t sv_dev_sta = {0}

Definition at line 47 of file IoT Supervisor_main.c.

◆ T0C_TOP

uint8_t T0C_TOP = 0

Software counter to implement modbus inter-byte timeout

Definition at line 55 of file IoT Supervisor_main.c.

◆ t0Count

volatile uint8_t t0Count = 0

Definition at line 53 of file IoT Supervisor_main.c.

◆ t1Count

volatile t1Count_t t1Count = 0

Definition at line 50 of file IoT Supervisor_main.c.

Modules

Data Structures

Enumerations

Functions

Variables