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nuttx/boards/renesas/rx65n/rx65n-rsk2mb/README.txt
Anjana fae7e63479 We have ported NuttX on Renesas RX65N Micro-controller. This port includes following interfaces 
1. Serial (UART) driver (13 ports)
2. Ethernet driver

This port is provided on two boards
1. RSK RX65N-2MB
2. GR-Rose

The port is built on Cygwin environment.

As part of this port, we have created two documents
1. Readme.txt for each board
2. User manual to provide information about development environment setup
Both these documents are placed under
1. /boards/renesas/rx65n/rx65n-grrose
2. /boards/renesas/rx65n/rx65n-rsk2mb

We have run 'nxstyle' for coding guidelines and 'ostest' for testing NuttX features on test platform.
We have shared the log with no errors as confirmation of valid port.
2019-10-11 23:36:57 +08:00

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README
======
This README file discusses the port of NuttX to the RX65N RSK2MB board. This board features the RX65N (R5F565NEHDFC 176pin)
Contents
========
- Board Features
- Status/Open Issues
- Serial Console
- LEDs
- Networking
- Debugging
Board Features
==============
- Mounted devices: RX65N (R5F565NEDDFC: No Encrypt Function, Code Flash 2MB, Pin Count 176-pin),
or RX65N (R5F565NEHDFC: Supported Encrypt Function, Code Flash 2MB, Pin Count 176-pin)
- Mounts TFT Display. Graphic LCD controller can be evaluated
- 1 channel Ethernet can be evaluated
- RX65N builds in Trusted Secure IP. AES encryption function and robust key management can be evaluated (*)
- Mounts SD slot. If an optional Wireless LAN expansion board package for RSK (RTK0ZZZZZZP00000BR#WS) is used,
Wireless LAN can evaluated
- 1 channel USB Function and 1 channel USB Host can be evaluated
- In addition, CAN, RSPI, QSPI, etc. can be evaluated
See the RX65N RSK2MB website for further information about this board:
- https://www.renesas.com/br/en/products/software-tools/boards-and-kits/starter-kits/renesas-starter-kitplus-for-rx65n-2mb.html
Status/Open Issues
==================
Ethernet
---------
1.Observed instability in Link Management, due to difference in hardware design.(No Seperate Interrupt line for PHY)
2.Currently tested only ping and udpblaster application.
3. Executed long run ping and udpblaster stress test for 12 hrs. Code is able to execute for 12hrs without any breakage.
Serial Console
==============
RX65N RSK2MB supports 12 serial ports (SCI0 - SCI12), however only 1 port can be tested(SCI8, which is the serial console). Only SCI8 port can be tested which is connected to USB Serial port.
Serial ports SCI1, SCI2, SCI9-SCI12, cannot be tested because they are multiplexed to other Rx65N controller interfaces.
Following SCI ports are configured w.r.t RX65N pin configuration
SCI1 Pin Configuration :
-----------
RX65N RSK2MB
Function
-----------
PF2 RXD1
PF1 TXD1
------------
SCI2 Pin Configuration :
-----------
RX65N RSK2MB
Function
-----------
P52 RXD2
P50 TXD2
------------
SCI8 Pin Configuration :
-----------
RX65N RSK2MB
Function
-----------
PJ1 RXD8
PJ2 TXD8
------------
Serial Connection Configuration
-------------------------------
1. RSK2MB board needs to be connected to PC, using USB cable(One end of which is connected to PC, other end
connected to USB serial port on H/W board).
2. RSK USB Serial Driver needs to be downloaded on PC side.
3. Configure Teraterm to 115200 baud.
LEDs
====
The RX65N RSK2MB board has 2 Power LED's(PowerLED5 LED_G, PowerLED3 LED_G) and 4 user LED's (LED_G, LED_O, LED_R, LED_R).
If enabled 4 User LED's are simply turned on when the board boots
successfully, and is blinking on panic / assertion failed.
Networking
==========
Ethernet Connections
--------------------
------ ---------
RX65N
RSK2MB Ethernet
Pin Function
------ ---------
PC4 ET0_TX_CLK
P76 ET0_RX_CLK
P80 ET0_TX_EN
PC6 ET0_ETXD3
PC5 ET0_ETXD2
P82 ET0_ETXD1
P81 ET0_ETXD0
PC3 ET0_TX_ER
PC2 ET0_RX_DV
PC0 ET0_ERXD3
PC1 ET0_ERXD2
P74 ET0_ERXD1
P75 ET0_ERXD0
P77 ET0_RX_ER
P83 ET0_CRS
PC7 ET0_COL
P72 ET0_MDC
P71 ET0_MDIO
P54 ET0_LINKSTA
------ ---------
NuttX Configurations
--------------------
The following configurations, need to be enabled for network.
CONFIG_RX65N_EMAC=y : Enable the EMAC Peripheral for RX65N
CONFIG_RX65N_EMAC0=y : Enable the EMAC Peripheral for RX65N
CONFIG_RX65N_EMAC0_PHYSR=30 : Address of PHY status register
CONFIG_RX65N_EMAC0_PHYSR_100FD=0x18 : Needed for PHY CHIP
CONFIG_RX65N_EMAC0_PHYSR_100HD=0x08 : " " " " " "
CONFIG_RX65N_EMAC0_PHYSR_10FD=0x14 : " " " " " "
CONFIG_RX65N_EMAC0_PHYSR_10HD=0x04 : " " " " " "
CONFIG_RX65N_EMAC0_PHYSR_ALTCONFIG=y : " " " " " "
CONFIG_RX65N_EMAC0_PHYSR_ALTMODE=0x1c : " " " " " "
CONFIG_RX65N_EMAC0_RMII=y
CONFIG_RX65N_EMAC0_PHYADDR=0 : PHY is at address 1
CONFIG_SCHED_WORKQUEUE=y : Work queue support is needed
CONFIG_SCHED_HPWORK=y : High Priority Work queue support
CONFIG_SCHED_LPWORK=y : Low Priority Work queue support
Using the network with NSH
--------------------------
The IP address is configured using DHCP, using the below mentioned configurations :
CONFIG_NETUTILS_DHCPC=y
CONFIG_NETUTILS_DHCPD=y
CONFIG_NSH_DHCPC=y
CONFIG_NETINIT_DHCPC=y
nsh> ifconfig
eth0 HWaddr 00:e0:de:ad:be:ef at UP
IPaddr:10.75.24.53 DRaddr:10.75.24.1 Mask:255.255.254.0
You can use ping to test for connectivity to the host (Careful,
Window firewalls usually block ping-related ICMP traffic). On the
target side, you can:
nsh> ping 10.75.24.250
PING 10.75.24.250 56 bytes of data
56 bytes from 10.75.24.250: icmp_seq=1 time=0 ms
56 bytes from 10.75.24.250: icmp_seq=2 time=0 ms
56 bytes from 10.75.24.250: icmp_seq=3 time=0 ms
56 bytes from 10.75.24.250: icmp_seq=4 time=0 ms
56 bytes from 10.75.24.250: icmp_seq=5 time=0 ms
56 bytes from 10.75.24.250: icmp_seq=6 time=0 ms
56 bytes from 10.75.24.250: icmp_seq=7 time=0 ms
56 bytes from 10.75.24.250: icmp_seq=8 time=0 ms
56 bytes from 10.75.24.250: icmp_seq=9 time=0 ms
56 bytes from 10.75.24.250: icmp_seq=10 time=0 ms
10 packets transmitted, 10 received, 0% packet loss, time 10100 ms
On the host side, you should also be able to ping the RX65N-RSK2MB:
$ ping 10.75.24.53
Configure UDP blaster application as mentioned below :
CONFIG_EXAMPLES_UDPBLASTER_HOSTIP=0x0a4b1801 (10.75.24.1) ------> Gateway IP
CONFIG_EXAMPLES_UDPBLASTER_NETMASK=0xfffffe00 (255.255.254.0) --------> Netmask
CONFIG_EXAMPLES_UDPBLASTER_TARGETIP=0x0a4b189b (10.75.24.155) ---------> Target IP
Debugging
==========
1. NuttX needs to be compiled in Cygwin environment on Windows.
The following Configuration needs to be set, in order to do source level debugging.
CONFIG_DEBUG_SYMBOLS = y (Set this option, using menuconfig only, DO NOT Enable this as default configuration).
2. Download & Install Renesas e2studio IDE
3. Load the project(NuttX built on Cygwin) as Makefile project with existing code
4. Right click on the project, and select Debug Configurations
5. The binary(NuttX) needs to be loaded using E1/E2 Emulator
6. Select the Device name as R5F565NE and Emulator as E1/E2(whichever is being used)
7. Select Connection type as JTAG
8. Load and run the binary
Flashing NuttX
===============
Alternativly, NuttX binary can be flashed using Renesas flash programmer tool without using e2 studio/Cygwin
Below are the steps mentioned to flash NuttX binary using Renesas flash programmer tool(RFP).
1.In order to flash using Renesas flash programmer tool, nuttx.mot file should be generated.
2. Add the following lines in tools/Makefile.unix file :
ifeq ($(CONFIG_MOTOROLA_SREC),y)
@echo "CP: $(NUTTXNAME).mot"
$(Q) $(OBJCOPY) $(OBJCOPYARGS) $(BIN) -O srec -I elf32-rx-be-ns $(NUTTXNAME).mot
endif
3. Add CONFIG_MOTOROLA_SREC=y in defconfig file or choose make menucofig->Build Setup-> Binary Output Format->
Select Motorola SREC format.
4. Download Renesas flash programmer tool from https://www.renesas.com/in/en/products/software-tools/tools/programmer/renesas-flash-programmer-programming-gui.html#downloads
5. Refer to the user manual document, for steps to flash NuttX binary using RFP tool.
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