Renesas RL78 - Main Initialization; UART0 Reception Status Initialization

RL78/G11 UART Reception in STOP Mode Using Middle-speed On-chip Oscillator IAR
R01AN3634EJ0100 Rev.1.00 Page 63 of 85
Feb. 15, 2017
5.9.9 Main initialization
Figure5.13 shows the flowchart for main initialization.
Figure 5.13 Main Initialization
5.9.10 UART0 reception status initialization
Figure5.14 shows the flowchart for UART0 reception status initialization.
R_UART0_Receive
return
Set status to MD_ARGERROR
Set initial status value to OK
status ← MD_OK
Data number less than 1?
Yes
No
Set initial reception data number count to
0
Initialize reception data pointer
Set reception data number to global
variable
Set status to return value
g_uart0_rx_count ← 0
g_uart0_rx_length ← rx_num
gp_uart0_rx_address ← rx_buf
status ← MD_ARGERROR
Figure 5.14 UART0 Reception Status Initialization