Renesas RL78 - UART0 Reception Complete Interrupt Processing; UART0 Receive Data Number Overrun Processing Function

RL78/G11 UART Reception in STOP Mode Using Middle-speed On-chip Oscillator IAR
R01AN3634EJ0100 Rev.1.00 Page 81 of 85
Feb. 15, 2017
5.9.21 UART0 reception complete interrupt processing
Figure5.27 shows the flowchart for UART0 reception complete interrupt processing.
r_uart0_interrupt_receive
Read reception data and set to variable
No
Store reception data
Reach specified number of data?
Yes
No
UART0 reception complete processing
r_uart0_callback_reiveend()
Within specified number of data?
Yes
No
Update pointer and counter
return
UART0 reception data number overrun
processing function
r_uart0_callback_softwareoverrun()
*gp_uart0_rx_address ← rx_data
rx_data ← RXD0
gp_uart0_rx_addre ss++
g_uart0_rx_count++
Figure 5.27 UART0 Reception Complete Interrupt Processing
5.9.22 UART0 receive data number overrun processing function
Figure5.28 shows the flowchart for the UART0 receive data number overrun processing function.
r_uart0_callback_softwareoverrun
UART0 reception data number overrun
processing
(Note)
return
Note: The sample code does not perform this process.
Please add program as needed.
Figure 5.28 UART0 Receive Data Number Overrun Processing Function