Difference between revisions of "RSB-3730 Yocto4.2 UIO Test"
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[[File:RSB-3730 UIO-4030 GPIO.png|RTENOTITLE]] | [[File:RSB-3730 UIO-4030 GPIO.png|RTENOTITLE]] | ||
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'''RS-485 U-boot Setting：''' | '''RS-485 U-boot Setting：''' | ||
| + | <pre>u-boot=> setenv uart_mode 2:1 | ||
| + | u-boot=> saveenv | ||
| + | Saving Environment to MMC... Writing to MMC(2)... OK | ||
| + | u-boot=> reset</pre> | ||
[[File:RSB-3730 UIO-4030 RS-485 Setting.png|RTENOTITLE]] | [[File:RSB-3730 UIO-4030 RS-485 Setting.png|RTENOTITLE]] | ||
Revision as of 08:01, 8 July 2024
UIO-4030 Function
Note：
Device：ttymxc0 - COM_3, ttyUSB0 - COM_4(RS-485)
Need one Adam-4520I module for RS-485.
The test method is as follows
RS-232 U-boot setting：
u-boot=> setenv uart_mode 2:0 u-boot=> saveenv Saving Environment to MMC... Writing to MMC(2)... OK u-boot=> reset
RS-232（COM_3）
# stty -F /dev/ttymxc0 -echo -onlcr 115200 # cat /dev/ttymxc0 & [1] 653 # echo "Serial Port Test" > /dev/ttymxc0 Serial Port Test
CN3_GPIO
| GPIO Pin | Number |
| GPIO 1 | 150 |
| GPIO 2 | 151 |
| GPIO 3 | 152 |
| GPIO 4 | 153 |
| GPIO 5 | 85 |
| GPIO 6 | 141 |
| GPIO 7 | 506 |
| GPIO 8 | 140 |
| GPIO 9 | 511 |
| GPIO 10 | 138 |
| GPIO 11 | 0 |
| GPIO 12 | 97 |
| GPIO_Select | LOW (83) |
for example：Short GPIO pin1(in) 150 & pin6(out) 141
# echo 150 > /sys/class/gpio/export # echo 141 > /sys/class/gpio/export # echo in > /sys/class/gpio/gpio1/direction # echo out > /sys/class/gpio/gpio2/direction # echo 1 > /sys/class/gpio/gpio2/value # cat /sys/class/gpio/gpio1/value 0 # cat /sys/class/gpio/gpio2/value 1
RS-485
RS-485 U-boot Setting：
u-boot=> setenv uart_mode 2:1 u-boot=> saveenv Saving Environment to MMC... Writing to MMC(2)... OK u-boot=> reset
RS-485（COM_4）:
# stty -F /dev/ttyUSB0 speed 115200 ignbrk -brkint -icrnl -imaxbel -opost -onlcr -isig -icanon -iexten -echo -echoe -echok -echoctl -echoke # cat /dev/ttyUSB0 & # echo "Serial Test" > /dev/ttyUSB0
