mirror of https://github.com/OpenIPC/firmware.git
88 lines
1.9 KiB
Bash
Executable File
88 lines
1.9 KiB
Bash
Executable File
#!/bin/sh
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# on EV200:
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# GPIO1_0 -> GPIO8 (1*8+0 = 8)
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# GPIO1_1 -> GPIO9 (1*8+1 = 9)
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# on EV300:
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# GPIO1_3 -> GPIO11
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# GPIO1_2 -> GPIO10
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#(normal mode)
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ir_cut_enable() {
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# pin_mux
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echo "$gpio_0" >/sys/class/gpio/unexport
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echo "$gpio_1" >/sys/class/gpio/unexport
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echo "$gpio_0" >/sys/class/gpio/export
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echo "$gpio_1" >/sys/class/gpio/export
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# dir
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echo "out" >/sys/class/gpio/gpio$gpio_0/direction
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echo "out" >/sys/class/gpio/gpio$gpio_1/direction
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# data, gpio_1: 0, gpio_0: 1 (normal mode)
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echo "1" >/sys/class/gpio/gpio$gpio_0/value
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echo "0" >/sys/class/gpio/gpio$gpio_1/value
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#sleep 1s
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sleep 1
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# back to original
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echo "0" >/sys/class/gpio/gpio$gpio_0/value
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echo "0" >/sys/class/gpio/gpio$gpio_1/value
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}
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# (ir mode)
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ir_cut_disable() {
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# pin_mux
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echo "$gpio_0" >/sys/class/gpio/unexport
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echo "$gpio_1" >/sys/class/gpio/unexport
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echo "$gpio_0" >/sys/class/gpio/export
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echo "$gpio_1" >/sys/class/gpio/export
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# dir
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echo "out" >/sys/class/gpio/gpio$gpio_0/direction
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echo "out" >/sys/class/gpio/gpio$gpio_1/direction
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# data, gpio_1: 1, gpio_0: 0 (ir mode)
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echo "0" >/sys/class/gpio/gpio$gpio_0/value
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echo "1" >/sys/class/gpio/gpio$gpio_1/value
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#sleep 1s
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sleep 1
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# back to original
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echo "0" >/sys/class/gpio/gpio$gpio_0/value
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echo "0" >/sys/class/gpio/gpio$gpio_1/value
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}
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gpio_0=0
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gpio_1=0
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if [ $# -lt 2 ]; then
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echo "usage : ./ircut_demo <chip> <mode>"
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echo "for example:"
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echo "ir mode : ./ircut_demo hi3516ev200 1"
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else
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if [ $1 = "hi3516ev200" ]; then
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gpio_0=8
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gpio_1=9
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elif [ $1 = "hi3516ev300" ]; then
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gpio_0=11
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gpio_1=10
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else
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echo "wrong chipid: $1, please select: hi3516ev200 or hi3516ev300."
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exit
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fi
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if [ $2 -eq 0 ]; then
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echo "normal mode, ir_cut on"
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ir_cut_enable >/dev/null
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elif [ $2 -eq 1 ]; then
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echo "ir mode, ir_cut off"
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ir_cut_disable >/dev/null
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else
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echo "invalid mode, please slect 0 or 1."
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fi
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fi
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