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*.o | ||
dist | ||
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# Object files | ||
*.o | ||
*.ko | ||
*.obj | ||
*.elf | ||
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# Precompiled Headers | ||
*.gch | ||
*.pch | ||
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# Libraries | ||
*.lib | ||
*.a | ||
*.la | ||
*.lo | ||
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# Shared objects (inc. Windows DLLs) | ||
*.dll | ||
*.so | ||
*.so.* | ||
*.dylib | ||
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# Executables | ||
*.exe | ||
*.out | ||
*.app | ||
*.i*86 | ||
*.x86_64 | ||
*.hex | ||
/.idea |
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CC=arm-hisiv300-linux-gcc | ||
USER_CFLAGS=-march=armv5te -mcpu=arm926ej-s -I/opt/hisi-linux/x86-arm/arm-hisiv300-linux/target/usr/include -L/opt/hisi-linux/x86-arm/arm-hisiv300-linux/target/usr/lib | ||
USER_LDFLAGS= | ||
AR=arm-hisiv300-linux-ar | ||
RANLIB=arm-hisiv300-linux-ranlib | ||
STRIP=arm-hisiv300-linux-strip | ||
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TARGET = led | ||
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BUILD_DIR = dist | ||
SRC_DIR = src | ||
INCLUDE_DIR = include | ||
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CFLAGS = -Os | ||
LIBS = | ||
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.PHONY: default all clean directories | ||
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default: directories $(TARGET) | ||
all: default | ||
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OBJECTS = $(patsubst $(SRC_DIR)/%.c, $(BUILD_DIR)/%.o, $(wildcard $(SRC_DIR)/*.c)) | ||
SOURCES = $(wildcard $(SRC_DIR)/*.c) | ||
HEADERS = $(wildcard $(INCLUDE_DIR)/*.h) | ||
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$(OBJECTS): $(SOURCES) $(HEADERS) | ||
$(CC) $(CFLAGS) -c $< -o $@ | ||
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.PRECIOUS: $(TARGET) $(OBJECTS) | ||
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$(TARGET): $(OBJECTS) | ||
$(CC) $(OBJECTS) -Wall $(LIBS) -o $(BUILD_DIR)/$@ | ||
$(STRIP) $(BUILD_DIR)/$(TARGET) | ||
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directories: | ||
mkdir -p $(BUILD_DIR) | ||
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clean: | ||
rm -f $(BUILD_DIR)/*.o | ||
rm -f $(BUILD_DIR)/$(TARGET) |
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## Led Control for Xiaomi's YI Home cameras | ||
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Simple LED (light-emitting diode) control interface on `cpld_periph` kernel module for YI Home camera | ||
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Supported cams: | ||
* 720p 47US | ||
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## Build | ||
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```sh | ||
$ cd yi-home-led | ||
$ make | ||
``` | ||
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### Usage | ||
```sh | ||
Usage: led <options> | ||
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Options: | ||
-b[fast|slow|pulse|on|off] Blue led mode | ||
-y[fast|slow|on|off] Yellow led mode | ||
-l[on|off] Light on/off | ||
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Example: led -bon -lon | ||
``` |
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int32_t DEVICE_NUM = 0x70; | ||
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int32_t open_cpld(); | ||
void run2(int32_t fd, int offset); |
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#include <fcntl.h> | ||
#include <stdio.h> | ||
#include <unistd.h> | ||
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#include "../include/led.h" | ||
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int32_t open_cpld() { | ||
int32_t fd; | ||
if (access("/dev/cpld_periph", F_OK) == 0) { | ||
fd = open("/dev/cpld_periph", O_RDWR); | ||
} else { | ||
fd = -1; | ||
} | ||
return fd; | ||
} | ||
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void usage() { | ||
puts("Led Control v0.1\n\nUsage: led <options>\n\nOptions: \n\t-b[fast|slow|pulse|on|off] Blue led mode\n\t-y[fast|slow|on|off] Yellow led mode\n\t-l[on|off] Light on/off \n\nExample: led -bon -lon\n"); | ||
} | ||
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void run2(int32_t fd, int offset) { | ||
ioctl(fd, (DEVICE_NUM << 8) + offset ); | ||
} | ||
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int main(int argc, char *argv[]) { | ||
if (argc <= 1) { | ||
usage(); | ||
return 1; | ||
} | ||
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int32_t fd = open_cpld(); | ||
if (fd < 0) { | ||
puts("Error: cannot open /dev/cpld_periph"); | ||
return 1; | ||
} | ||
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int opt; | ||
while((opt = getopt(argc, argv, ":b:y:l:")) != -1) | ||
{ | ||
switch (opt) { | ||
case 'b': | ||
if (strcmp(optarg, "on") == 0) { | ||
run2(fd, 0x0a); | ||
run2(fd, 0x01); | ||
} | ||
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if (strcmp(optarg, "off") == 0) { | ||
run2(fd, 0x02); | ||
} | ||
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if (strcmp(optarg, "fast") == 0) { | ||
run2(fd, 0x03); | ||
} | ||
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if (strcmp(optarg, "slow") == 0) { | ||
run2(fd, 0x04); | ||
} | ||
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if (strcmp(optarg, "pulse") == 0) { | ||
run2(fd, 0x05); | ||
} | ||
break; | ||
case 'y': | ||
if (strcmp(optarg, "on") == 0) { | ||
run2(fd, 0x09); | ||
run2(fd, 0x02); | ||
} | ||
if (strcmp(optarg, "fast") == 0) { | ||
run2(fd, 0x0b); | ||
} | ||
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if (strcmp(optarg, "slow") == 0) { | ||
run2(fd, 0x0c); | ||
} | ||
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if (strcmp(optarg, "off") == 0) { | ||
run2(fd, 0x0a); | ||
} | ||
break; | ||
case 'l': | ||
if (strcmp(optarg, "on") == 0) { | ||
run2(fd, 0x1c); | ||
} | ||
if (strcmp(optarg, "off") == 0) { | ||
run2(fd, 0x1b); | ||
} | ||
break; | ||
case '?': | ||
usage(); | ||
break; | ||
} | ||
} | ||
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return 0; | ||
} |