Hardware manual

RX600 Series CAN Application Programming Interface

R01AN0339EU0203 Rev. 2.03 Page 10 of 29

Mar 23, 2013

R_CAN_Control

Set CAN operating modes

Controls transition to CAN operating modes determined by the CAN Control register. For example, the Halt mode

should be used to later configure a receive mailbox.

Format

uint32_t R_CAN_Control( const uint32_t ch_nr,

const uint32_t action_type );

Arguments

ch_nr 0,1,2,3 Which CAN bus to use. The number of available channels

depends on part. 1-4 channels may be available.

action_type Peripheral actions:

EXITSLEEP_CANMODE Exit CAN Sleep mode, the default state when the

peripheral starts up. See 12.

ENTERSLEEP_CANMODE Enter CAN Sleep mode to save power.

RESET_CANMODE Put the CAN peripheral into Reset mode.

HALT_CANMODE Put the CAN peripheral into Halt mode. CAN peripheral

is still connected to the but stops communicating.

OPERATE_CANMODE Put the CAN peripheral into normal Operation mode.

Return Values

R_CAN_OK Action completed successfully.

R_CAN_SW_BAD_MBX Bad mailbox number.

R_CAN_BAD_CH_NR The channel number does not exist.

R_CAN_BAD_ACTION_TYPE No such action type exists for this function.

R_CAN_SW_WAKEUP_ERR The CAN peripheral did not wake up from Sleep mode.

R_CAN_SW_SLEEP_ERR The CAN peripheral did not enter Sleep mode.

R_CAN_SW_RST_ERR The CAN peripheral did not enter Halt mode.

R_CAN_SW_HALT_ERR The CAN peripheral did not enter Halt mode.

R_CAN_SW_RST_ERR The CAN peripheral did not enter Reset mode.