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Loongson_2k0300_SmartCar/ctl.sh
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#!/bin/sh
# SmartCar Demo 控制脚本
# 用法: sh ctl.sh start | stop | init
DIR="$(dirname "$0")"
PWMCHIP=8
PWMPERIOD=50000
init_pins() {
echo "[demo] 初始化引脚..."
for pin in 73 12 13 67 72; do
echo $pin > /sys/class/gpio/export 2>/dev/null
done
echo out > /sys/class/gpio/gpio73/direction 2>/dev/null
echo out > /sys/class/gpio/gpio12/direction 2>/dev/null
echo out > /sys/class/gpio/gpio13/direction 2>/dev/null
echo in > /sys/class/gpio/gpio67/direction 2>/dev/null
echo in > /sys/class/gpio/gpio72/direction 2>/dev/null
echo 1 > /sys/class/gpio/gpio73/value 2>/dev/null
echo 0 > /sys/class/gpio/gpio12/value 2>/dev/null
echo 0 > /sys/class/gpio/gpio13/value 2>/dev/null
for ch in 1 2; do
echo $ch > /sys/class/pwm/pwmchip${PWMCHIP}/export 2>/dev/null
echo ${PWMPERIOD} > /sys/class/pwm/pwmchip${PWMCHIP}/pwm${ch}/period 2>/dev/null
echo 1 > /sys/class/pwm/pwmchip${PWMCHIP}/pwm${ch}/enable 2>/dev/null
echo 0 > /sys/class/pwm/pwmchip${PWMCHIP}/pwm${ch}/duty_cycle 2>/dev/null
done
echo 0 > /sys/class/pwm/pwmchip1/export 2>/dev/null
echo 3000000 > /sys/class/pwm/pwmchip1/pwm0/period 2>/dev/null
echo 1 > /sys/class/pwm/pwmchip1/pwm0/enable 2>/dev/null
echo 1520000 > /sys/class/pwm/pwmchip1/pwm0/duty_cycle 2>/dev/null
echo 11 > "$DIR/speed" 2>/dev/null
echo 8 > "$DIR/deadband" 2>/dev/null
echo 1.5 > "$DIR/steer_gain" 2>/dev/null
echo 40 > "$DIR/foresee" 2>/dev/null
echo 0.7 > "$DIR/foresee_lost_scale" 2>/dev/null
echo 0.5 > "$DIR/sharp_turn_scale" 2>/dev/null
echo 0 > "$DIR/start" 2>/dev/null
echo 0.3 > "$DIR/cone_avoid_gain" 2>/dev/null
echo 30 > "$DIR/cone_avoid_range" 2>/dev/null
echo 0.5 > "$DIR/cone_speed" 2>/dev/null
echo 1 > "$DIR/cone_min_frames" 2>/dev/null
echo 0 > "$DIR/cone_margin" 2>/dev/null
echo 0.80 > "$DIR/cone_thresh" 2>/dev/null
echo 30 > "$DIR/cone_hold_frames" 2>/dev/null
echo 10 > "$DIR/brake_scale" 2>/dev/null
echo 10000 > "$DIR/brake_max" 2>/dev/null
echo 300 > "$DIR/lidar_thresh" 2>/dev/null
echo 50 > "$DIR/lidar_near" 2>/dev/null
echo 1200 > "$DIR/lidar_far" 2>/dev/null
echo 1 > "$DIR/lidar_near_start" 2>/dev/null
echo 4 > "$DIR/lidar_near_end" 2>/dev/null
echo 6 > "$DIR/lidar_far_span" 2>/dev/null
echo 3 > "$DIR/lidar_min_frames" 2>/dev/null
echo 0.4 > "$DIR/lidar_avoid_gain" 2>/dev/null
echo 30 > "$DIR/lidar_avoid_range" 2>/dev/null
echo 0.4 > "$DIR/lidar_speed" 2>/dev/null
echo 30 > "$DIR/lidar_hold_frames" 2>/dev/null
echo 1 > "$DIR/lidar_enable" 2>/dev/null
echo "[demo] 引脚初始化完成"
}
do_start() {
echo "[demo] 启动..."
echo 1 > "$DIR/start"
cd "$DIR"
LD_LIBRARY_PATH=/home/root/opencv/lib nohup ./smartcar_demo1 > "$DIR/out.log" 2>&1 &
echo "[demo] PID=$!"
}
do_stop() {
echo "[demo] 停止..."
echo 0 > "$DIR/start" 2>/dev/null
killall -9 smartcar_demo1 2>/dev/null
sleep 0.3
echo 0 > /sys/class/pwm/pwmchip${PWMCHIP}/pwm1/duty_cycle 2>/dev/null
echo 0 > /sys/class/pwm/pwmchip${PWMCHIP}/pwm2/duty_cycle 2>/dev/null
echo 0 > /sys/class/gpio/gpio73/value 2>/dev/null
echo "[demo] 已停止, PWM已归零"
}
case "${1}" in
start)
init_pins
do_start
;;
stop)
do_stop
;;
init)
init_pins
;;
*)
echo "用法: sh ctl.sh start | stop | init"
exit 1
;;
esac