u16_get_can_baudrate()

Description

u16_get_can_baudrate() returns the bootloader setting of the MCAN0 baud rate.

Syntax

u16_get_can_baudrate();

Parameters

none

Returns

uint16_t – baud rate that the bootloader uses for the first CAN bus (MCAN0) in [kBaud].
e.g.: 125 means 125 kBaud.

Example Code

This example shows how to read, set and store the ‘baud rate’ of the bootloader settings.

void setup()
{  
  Serial.begin();
  while (!Serial) 
  {
    yield(); // wait for PC CAN2SER-monitor to open 
  }

  uint16_t u16_baudrate = BOOTLOADER_SETTING.u16_get_can_baudrate();
  String s_device_name = BOOTLOADER_SETTING.s_get_device_name();
  
  Serial.println("Bootloader settings:");
  Serial.println(" - baudrate:    "+ String(u16_baudrate) + " kBaud");
  Serial.println(" - device name: " + s_device_name);
  
  delay(2000);
  Serial.println("Modify the settings");
  BOOTLOADER_SETTING.u8_set_can_baudrate(125);      // 125/250/500 or 1000
  BOOTLOADER_SETTING.u8_set_device_name("myDICE");  // 6 chars
  
  delay(2000);
  Serial.println("Store the settings in flash");
  
  uint8_t u8_ret = BOOTLOADER_SETTING.u8_store_bootloader_settings();
  
  if(u8_ret != 0)
	Serial.println("Error writing into flash");
  
  Serial.println("DONE");
}

void loop () 
{
}

Notes and Warnings

This method returns the RAM copy value of the bootloader settings which are copied into the BOOTLOADER_SETTING object during its instantiation at system start (variant.cpp).