Main

Macros
#define	BOOTLOADER_VERSION_MAJOR   1U
#define	BOOTLOADER_VERSION_MINOR   1U
#define	BOOTLOADER_VERSION_PATCH   3U

Enumerations
enum	BootloaderCommand {   BL_CMD_LAUNCH_APPLICATION = 0U ,   BL_CMD_ENTER_SYSMEM_BOOT ,   BL_CMD_UPDATE_FIRMWARE }

Functions
static BootloaderCommand	WaitForUserCommand (void)
	Wait for a user command by monitoring the button press duration. More...
static bool	WaitForSingleButtonPress (void)
	Wait for a single button press within a timeout period. More...
int	main (void)
	The main function. More...

Detailed Description

Macro Definition Documentation

BOOTLOADER_VERSION_MAJOR

#define BOOTLOADER_VERSION_MAJOR   1U

Major version

Definition at line 31 of file main.h.

BOOTLOADER_VERSION_MINOR

#define BOOTLOADER_VERSION_MINOR   1U

Minor version

Definition at line 32 of file main.h.

BOOTLOADER_VERSION_PATCH

#define BOOTLOADER_VERSION_PATCH   3U

Patch version

Definition at line 33 of file main.h.

Enumeration Type Documentation

BootloaderCommand

enum BootloaderCommand

Enum for bootloader command determined by the user actions.

Enumerator
BL_CMD_LAUNCH_APPLICATION	Launch the user application.
BL_CMD_ENTER_SYSMEM_BOOT	Enter ST built-in system memory boot.
BL_CMD_UPDATE_FIRMWARE	Perform firmware update from SD card.

Definition at line 44 of file main.c.

Function Documentation

main()

int main

(

void

)

The main function.

Returns

This function shall never return.

Definition at line 80 of file main.c.

WaitForSingleButtonPress()

static bool WaitForSingleButtonPress ( void  )

static

Wait for a single button press within a timeout period.

Toggles LEDs while waiting for up to 5 seconds. Returns as soon as the button is pressed or the timeout expires.

Returns

True if the button was pressed within the timeout; otherwise false.

Definition at line 278 of file main.c.

WaitForUserCommand()

static BootloaderCommand WaitForUserCommand ( void  )

static

Wait for a user command by monitoring the button press duration.

The button press duration determines the bootloader action:

• Pressed >= 1 second: firmware update.
• Pressed >= 4 seconds: enter ST system memory boot mode.
• Pressed >= 9 seconds: do nothing, launch application.

Returns

The BootloaderCommand corresponding to the button press duration.

Definition at line 199 of file main.c.