17.5.5 Mailbox information
The mailbox information defines ID number: mbxid, Attribute: mbxatr, Maximum message priority: maxmpri, Reserved for future use: mprihd for a mailbox.
The number of items that can be defined as mailbox information is limited to one for each ID number.
Specifies the ID number for a mailbox.
A value from 0x1 to 0xff, or a name, can be specified for mbxid.
A value from 0x1 to 0xff, or a name, can be specified for mbxid.
Note When a name is specified, the CF850V4 automatically assigns an ID number.
The CF850V4 outputs the relationship between a name and an ID number to the system information header file in the following format:
The CF850V4 outputs the relationship between a name and an ID number to the system information header file in the following format:
#define mbxid value
Specifies the attribute for a mailbox.
The keyword that can be specified for mbxatr is TA_TFIFO, TA_TPRI, TA_MFIFO and TA_MPRI.
The keyword that can be specified for mbxatr is TA_TFIFO, TA_TPRI, TA_MFIFO and TA_MPRI.
Specifies the maximum message priority for a mailbox.
A value from 0x1 to 0x7fff can be specified for maxmpri.
A value from 0x1 to 0x7fff can be specified for maxmpri.