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This commit is contained in:
ivan 2018-12-23 18:53:54 +03:00
commit c185c20a79
19 changed files with 984 additions and 0 deletions
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5
salad/SCRBLUE.sh Executable file
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#!/bin/bash
# files and dirs for backup:
SAVEDIR=/salad/screenshots/
DATETIME=`date "+%Y-%m-%d-%H-%M-%S"`
ffmpeg -rtsp_transport tcp -i 'rtsp://ip.of.web.cam/user=admin&password=&channel=1&stream=0.sdp' -f image2 -vframes 1 -pix_fmt yuvj420p ${SAVEDIR}${DATETIME}.jpeg

4
salad/ch1off.sh Executable file
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#!/bin/sh
# channel 1 off
echo 1 >/sys/class/gpio/gpio36/value

4
salad/ch1on.sh Executable file
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#!/bin/sh
# channel 1 on
echo 0 >/sys/class/gpio/gpio36/value

4
salad/ch2off.sh Executable file
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#!/bin/sh
# channel 2 off
echo 1 >/sys/class/gpio/gpio37/value

4
salad/ch2on.sh Executable file
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#!/bin/sh
# channel 2 on
echo 0 >/sys/class/gpio/gpio37/value

18
salad/checkled.sh Executable file
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#!/bin/sh
HOUR=`date "+%H"`
CH1STATUS=`gpio read 21`
cd /salad
if [ "$HOUR" = "10" ] || [ "$HOUR" = "11" ] || [ "$HOUR" = "12" ] || [ "$HOUR" = "13" ]
then
if [ "$CH1STATUS" = "0" ]; then
echo $CH1STATUS
sh ch1off.sh
echo off
fi
else
if [ "$CH1STATUS" = "1" ]; then
echo $CH1STATUS
sh ch1on.sh
echo on
fi
fi

2
salad/checkled2.sh Executable file
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#!/bin/bash
sudo -u root sh /salad/checkled.sh

7
salad/chtemphum.sh Executable file
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#!/bin/sh
cd /salad
DATETIME=`date "+%Y-%m-%d-%H-%M"`
HUM=`dht22 -p 38 -s hum`
sleep 1
TEMP=`dht22 -p 38 -s temp`
echo "$DATETIME HUM = $HUM TEMP = $TEMP" >> SALAD_log.txt

7
salad/dht22-pine64/Makefile Normal file
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dht22: *.c
g++ -fpermissive -Wno-write-strings -o dht22 *.c
install: dht22
sudo cp dht22 /usr/local/bin/
sudo chown root /usr/local/bin/dht22
sudo chmod u+s /usr/local/bin/dht22

57
salad/dht22-pine64/README.md Normal file
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## DHT11/22 for Pine A64
This is simple C application that reads DHT11/22 sensor using one wire protocol.
### Compile
Compile directly on Pine A64.
```bash
apt-get install build-essential
make
sudo make install
```
### Use it
Find a PINE GPIO number: http://joey.hazlett.us/pine64/pine64_pins.html
Execute in terminal:
```bash
dht22 -p <pin-number> -d 1000
```
It will read DHT connected on <pin-number> value every 1000ms continuously.
### Read specific value
```bash
dht22 -p <pin-number> -s hum
dht22 -p <pin-number> -s temp
```
### Use with Home-Assistant
Add this to your configuration file:
```
sensor:
- platform: command_line
name: office_room
unit_of_measurement: "°C"
command: "dht22 -r 10 -s temp -p 71"
- platform: command_line
name: office_room
unit_of_measurement: "humidity"
command: "dht22 -r 10 -s hum -p 71"
```
### Dependencies
For controlling the GPIO's I used this RPi.GPIO-PineA64:
https://github.com/swkim01/RPi.GPIO-PineA64/blob/master/source/c_gpio.c
## Author
Kamil Trzciński, ayufan@ayufan.eu

439
salad/dht22-pine64/c_gpio.c Normal file
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/*
Copyright (c) 2012-2015 Ben Croston
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <string.h>
#include "c_gpio.h"
#define BCM2708_PERI_BASE_DEFAULT 0x20000000
#define BCM2709_PERI_BASE_DEFAULT 0x3f000000
#define GPIO_BASE_OFFSET 0x200000
#define FSEL_OFFSET 0 // 0x0000
#define SET_OFFSET 7 // 0x001c / 4
#define CLR_OFFSET 10 // 0x0028 / 4
#define PINLEVEL_OFFSET 13 // 0x0034 / 4
#define EVENT_DETECT_OFFSET 16 // 0x0040 / 4
#define RISING_ED_OFFSET 19 // 0x004c / 4
#define FALLING_ED_OFFSET 22 // 0x0058 / 4
#define HIGH_DETECT_OFFSET 25 // 0x0064 / 4
#define LOW_DETECT_OFFSET 28 // 0x0070 / 4
#define PULLUPDN_OFFSET 37 // 0x0094 / 4
#define PULLUPDNCLK_OFFSET 38 // 0x0098 / 4
#define PAGE_SIZE (4*1024)
#define BLOCK_SIZE (4*1024)
//
// For Pine A64/A64+ Board
//
#define PINEA64_GPIO_MASK (0xFFFFFF80)
#define SUNXI_GPIO_BASE 0x01C20000
#define SUNXI_GPIO_REG_OFFSET 0x800
#define PINEA64_GPIO_BASE (SUNXI_GPIO_BASE + SUNXI_GPIO_REG_OFFSET)
#define SUNXI_CFG_OFFSET 0x00
#define SUNXI_DATA_OFFSET 0x10
#define SUNXI_PUD_OFFSET 0x1C
#define SUNXI_BANK_SIZE 0x24
#define MAP_SIZE (4096*2)
#define MAP_MASK (MAP_SIZE - 1)
typedef struct sunxi_gpio {
unsigned int CFG[4];
unsigned int DAT;
unsigned int DRV[2];
unsigned int PULL[2];
} sunxi_gpio_t;
/* gpio interrupt control */
typedef struct sunxi_gpio_int {
unsigned int CFG[3];
unsigned int CTL;
unsigned int STA;
unsigned int DEB;
} sunxi_gpio_int_t;
typedef struct sunxi_gpio_reg {
struct sunxi_gpio gpio_bank[9];
unsigned char res[0xbc];
struct sunxi_gpio_int gpio_int;
} sunxi_gpio_reg_t;
#define GPIO_BANK(pin) ((pin) >> 5)
#define GPIO_NUM(pin) ((pin) & 0x1F)
#define GPIO_CFG_INDEX(pin) (((pin) & 0x1F) >> 3)
#define GPIO_CFG_OFFSET(pin) ((((pin) & 0x1F) & 0x7) << 2)
#define GPIO_PUL_INDEX(pin) (((pin) & 0x1F )>> 4)
#define GPIO_PUL_OFFSET(pin) (((pin) & 0x0F) << 1)
int pinea64_found = 1;
static volatile uint32_t *pio_map;
// end of Pine A64/A64+
static volatile uint32_t *gpio_map;
void short_wait(void)
{
int i;
for (i=0; i<150; i++) { // wait 150 cycles
asm volatile("nop");
}
}
int setup(void)
{
int mem_fd;
uint8_t *gpio_mem;
uint32_t peri_base;
uint32_t gpio_base;
unsigned char buf[4];
FILE *fp;
char buffer[1024];
char hardware[1024];
int found = 0;
pinea64_found = 1;
if ( !pinea64_found ) {
// try /dev/gpiomem first - this does not require root privs
if ((mem_fd = open("/dev/gpiomem", O_RDWR|O_SYNC)) > 0)
{
gpio_map = (uint32_t *)mmap(NULL, BLOCK_SIZE, PROT_READ|PROT_WRITE, MAP_SHARED, mem_fd, 0);
if ((uint32_t)gpio_map < 0) {
return SETUP_MMAP_FAIL;
} else {
return SETUP_OK;
}
}
// revert to /dev/mem method - requires root
// determine peri_base
if ((fp = fopen("/proc/device-tree/soc/ranges", "rb")) != NULL) {
// get peri base from device tree
fseek(fp, 4, SEEK_SET);
if (fread(buf, 1, sizeof buf, fp) == sizeof buf) {
peri_base = buf[0] << 24 | buf[1] << 16 | buf[2] << 8 | buf[3] << 0;
}
fclose(fp);
} else {
// guess peri base based on /proc/cpuinfo hardware field
if ((fp = fopen("/proc/cpuinfo", "r")) == NULL)
return SETUP_CPUINFO_FAIL;
while(!feof(fp) && !found) {
fgets(buffer, sizeof(buffer), fp);
sscanf(buffer, "Hardware : %s", hardware);
if (strcmp(hardware, "BCM2708") == 0 || strcmp(hardware, "BCM2835") == 0) {
// pi 1 hardware
peri_base = BCM2708_PERI_BASE_DEFAULT;
found = 1;
} else if (strcmp(hardware, "BCM2709") == 0 || strcmp(hardware, "BCM2836") == 0) {
// pi 2 hardware
peri_base = BCM2709_PERI_BASE_DEFAULT;
found = 1;
}
}
fclose(fp);
if (!found)
return SETUP_NOT_RPI_FAIL;
}
gpio_base = peri_base + GPIO_BASE_OFFSET;
}
// mmap the GPIO memory registers
if ((mem_fd = open("/dev/mem", O_RDWR|O_SYNC) ) < 0)
return SETUP_DEVMEM_FAIL;
if ((gpio_mem = malloc(BLOCK_SIZE + (PAGE_SIZE-1))) == NULL)
return SETUP_MALLOC_FAIL;
if ((uint32_t)gpio_mem % PAGE_SIZE)
gpio_mem += PAGE_SIZE - ((uint32_t)gpio_mem % PAGE_SIZE);
if ( pinea64_found ) {
gpio_map = (uint32_t *)mmap( (caddr_t)gpio_mem, BLOCK_SIZE, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED, mem_fd, SUNXI_GPIO_BASE);
pio_map = gpio_map + (SUNXI_GPIO_REG_OFFSET>>2);
} else {
gpio_map = (uint32_t *)mmap( (void *)gpio_mem, BLOCK_SIZE, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED, mem_fd, gpio_base);
}
if ((uint32_t)gpio_map < 0)
return SETUP_MMAP_FAIL;
return SETUP_OK;
}
void clear_event_detect(int gpio)
{
if ( !pinea64_found ) {
int offset = EVENT_DETECT_OFFSET + (gpio/32);
int shift = (gpio%32);
*(gpio_map+offset) |= (1 << shift);
short_wait();
*(gpio_map+offset) = 0;
}
}
int eventdetected(int gpio)
{
if ( !pinea64_found ) {
int offset, value, bit;
offset = EVENT_DETECT_OFFSET + (gpio/32);
bit = (1 << (gpio%32));
value = *(gpio_map+offset) & bit;
if (value)
clear_event_detect(gpio);
return value;
}
}
void set_rising_event(int gpio, int enable)
{
if ( !pinea64_found ) {
int offset = RISING_ED_OFFSET + (gpio/32);
int shift = (gpio%32);
if (enable)
*(gpio_map+offset) |= 1 << shift;
else
*(gpio_map+offset) &= ~(1 << shift);
clear_event_detect(gpio);
}
}
void set_falling_event(int gpio, int enable)
{
if ( !pinea64_found ) {
int offset = FALLING_ED_OFFSET + (gpio/32);
int shift = (gpio%32);
if (enable) {
*(gpio_map+offset) |= (1 << shift);
*(gpio_map+offset) = (1 << shift);
} else {
*(gpio_map+offset) &= ~(1 << shift);
}
clear_event_detect(gpio);
}
}
void set_high_event(int gpio, int enable)
{
if ( !pinea64_found ) {
int offset = HIGH_DETECT_OFFSET + (gpio/32);
int shift = (gpio%32);
if (enable)
*(gpio_map+offset) |= (1 << shift);
else
*(gpio_map+offset) &= ~(1 << shift);
clear_event_detect(gpio);
}
}
void set_low_event(int gpio, int enable)
{
if ( !pinea64_found ) {
int offset = LOW_DETECT_OFFSET + (gpio/32);
int shift = (gpio%32);
if (enable)
*(gpio_map+offset) |= 1 << shift;
else
*(gpio_map+offset) &= ~(1 << shift);
clear_event_detect(gpio);
}
}
uint32_t sunxi_readl(volatile uint32_t *addr)
{
uint32_t val = 0;
uint32_t mmap_base = (uint32_t)addr & (~MAP_MASK);
uint32_t mmap_seek = ((uint32_t)addr - mmap_base) >> 2;
val = *(gpio_map + mmap_seek);
return val;
}
void sunxi_writel(volatile uint32_t *addr, uint32_t val)
{
uint32_t mmap_base = (uint32_t)addr & (~MAP_MASK);
uint32_t mmap_seek =( (uint32_t)addr - mmap_base) >> 2;
*(gpio_map + mmap_seek) = val;
}
void set_pullupdn(int gpio, int pud)
{
if ( pinea64_found ) {
uint32_t regval = 0;
int bank = GPIO_BANK(gpio); //gpio >> 5
int index = GPIO_PUL_INDEX(gpio); // (gpio & 0x1f) >> 4
int offset = GPIO_PUL_OFFSET(gpio); // (gpio) & 0x0F) << 1
sunxi_gpio_t *pio = &((sunxi_gpio_reg_t *) pio_map)->gpio_bank[bank];
regval = *(&pio->PULL[0] + index);
regval &= ~(3 << offset);
regval |= pud << offset;
*(&pio->PULL[0] + index) = regval;
} else {
int clk_offset = PULLUPDNCLK_OFFSET + (gpio/32);
int shift = (gpio%32);
if (pud == PUD_DOWN)
*(gpio_map+PULLUPDN_OFFSET) = (*(gpio_map+PULLUPDN_OFFSET) & ~3) | PUD_DOWN;
else if (pud == PUD_UP)
*(gpio_map+PULLUPDN_OFFSET) = (*(gpio_map+PULLUPDN_OFFSET) & ~3) | PUD_UP;
else // pud == PUD_OFF
*(gpio_map+PULLUPDN_OFFSET) &= ~3;
short_wait();
*(gpio_map+clk_offset) = 1 << shift;
short_wait();
*(gpio_map+PULLUPDN_OFFSET) &= ~3;
*(gpio_map+clk_offset) = 0;
}
}
void setup_gpio(int gpio, int direction, int pud)
{
if ( pinea64_found ) {
uint32_t regval = 0;
int bank = GPIO_BANK(gpio); //gpio >> 5
int index = GPIO_CFG_INDEX(gpio); // (gpio & 0x1F) >> 3
int offset = GPIO_CFG_OFFSET(gpio); // ((gpio & 0x1F) & 0x7) << 2
sunxi_gpio_t *pio = &((sunxi_gpio_reg_t *) pio_map)->gpio_bank[bank];
set_pullupdn(gpio, pud);
regval = *(&pio->CFG[0] + index);
regval &= ~(0x7 << offset); // 0xf?
if (INPUT == direction) {
*(&pio->CFG[0] + index) = regval;
} else if (OUTPUT == direction) {
regval |= (1 << offset);
*(&pio->CFG[0] + index) = regval;
} else {
printf("line:%dgpio number error\n",__LINE__);
}
} else {
int offset = FSEL_OFFSET + (gpio/10);
int shift = (gpio%10)*3;
set_pullupdn(gpio, pud);
if (direction == OUTPUT)
*(gpio_map+offset) = (*(gpio_map+offset) & ~(7<<shift)) | (1<<shift);
else // direction == INPUT
*(gpio_map+offset) = (*(gpio_map+offset) & ~(7<<shift));
}
}
// Contribution by Eric Ptak <trouch@trouch.com>
int gpio_function(int gpio)
{
if ( pinea64_found ) {
uint32_t regval = 0;
int bank = GPIO_BANK(gpio); //gpio >> 5
int index = GPIO_CFG_INDEX(gpio); // (gpio & 0x1F) >> 3
int offset = GPIO_CFG_OFFSET(gpio); // ((gpio & 0x1F) & 0x7) << 2
sunxi_gpio_t *pio = &((sunxi_gpio_reg_t *) pio_map)->gpio_bank[bank];
regval = *(&pio->CFG[0] + index);
regval >>= offset;
regval &= 7;
return regval; // 0=input, 1=output, 4=alt0
} else {
int offset = FSEL_OFFSET + (gpio/10);
int shift = (gpio%10)*3;
int value = *(gpio_map+offset);
value >>= shift;
value &= 7;
return value; // 0=input, 1=output, 4=alt0
}
}
void output_gpio(int gpio, int value)
{
if ( pinea64_found ) {
int bank = GPIO_BANK(gpio); //gpio >> 5
int num = GPIO_NUM(gpio); // gpio & 0x1F
sunxi_gpio_t *pio = &((sunxi_gpio_reg_t *) pio_map)->gpio_bank[bank];
if (value == 0)
*(&pio->DAT) &= ~(1 << num);
else
*(&pio->DAT) |= (1 << num);
} else {
int offset, shift;
if (value) // value == HIGH
offset = SET_OFFSET + (gpio/32);
else // value == LOW
offset = CLR_OFFSET + (gpio/32);
shift = (gpio%32);
*(gpio_map+offset) = 1 << shift;
}
}
int input_gpio(int gpio)
{
if ( pinea64_found ) {
uint32_t regval = 0;
int bank = GPIO_BANK(gpio); //gpio >> 5
int num = GPIO_NUM(gpio); // gpio & 0x1F
sunxi_gpio_t *pio = &((sunxi_gpio_reg_t *) pio_map)->gpio_bank[bank];
regval = *(&pio->DAT);
regval = regval >> num;
regval &= 1;
return regval;
} else {
int offset, value, mask;
offset = PINLEVEL_OFFSET + (gpio/32);
mask = (1 << gpio%32);
value = *(gpio_map+offset) & mask;
return value;
}
}
void cleanup(void)
{
munmap((void *)gpio_map, BLOCK_SIZE);
}

51
salad/dht22-pine64/c_gpio.h Normal file
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/*
Copyright (c) 2012-2015 Ben Croston
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
int setup(void);
void setup_gpio(int gpio, int direction, int pud);
int gpio_function(int gpio);
void output_gpio(int gpio, int value);
int input_gpio(int gpio);
void set_rising_event(int gpio, int enable);
void set_falling_event(int gpio, int enable);
void set_high_event(int gpio, int enable);
void set_low_event(int gpio, int enable);
int eventdetected(int gpio);
void cleanup(void);
#define SETUP_OK 0
#define SETUP_DEVMEM_FAIL 1
#define SETUP_MALLOC_FAIL 2
#define SETUP_MMAP_FAIL 3
#define SETUP_CPUINFO_FAIL 4
#define SETUP_NOT_RPI_FAIL 5
#define INPUT 1 // is really 0 for control register!
#define OUTPUT 0 // is really 1 for control register!
#define ALT0 4
#define HIGH 1
#define LOW 0
#define PUD_OFF 0
#define PUD_UP 1
#define PUD_DOWN 2

BIN
salad/dht22-pine64/dht22 Executable file
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salad/dht22-pine64/dht22.c Normal file
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#include "wiringPi.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <sys/resource.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#define MAX_TIMINGS 86
int DHT_PIN = 0;
int read_dht_data(float *h, float *t)
{
uint8_t j = 0, i;
int data[5] = { 0, 0, 0, 0, 0 };
pinMode(DHT_PIN, OUTPUT);
digitalWrite(DHT_PIN, LOW);
delay(18);
digitalWrite(DHT_PIN, HIGH);
delayMicroseconds(10);
pinMode(DHT_PIN, INPUT);
uint8_t laststate = HIGH;
unsigned int lasttime = micros();
for(i = 0; i < MAX_TIMINGS; i++) {
int state;
unsigned int current;
while (true) {
state = digitalRead(DHT_PIN);
current = micros();
if (current - lasttime > 200) {
goto finish;
}
if (laststate != state) {
break;
}
}
/* ignore first 3 transitions */
if ((i >= 4) && (i % 2 == 0)) {
/* shove each bit into the storage bytes */
data[j / 8] <<= 1;
if ((current - lasttime) > 60)
data[j / 8] |= 1;
j++;
}
laststate = state;
lasttime = current;
}
finish:
if (j < 40) {
fprintf(stderr, "Not enough bits: %d\n", j);
return -1;
}
if (data[4] != ((data[0] + data[1] + data[2] + data[3]) & 0xFF)) {
fprintf(stderr, "Invalid CRC\n");
return -2;
}
if (h) {
*h = (float)((data[0] << 8) + data[1]) / 10;
if (*h > 100) {
*h = data[0]; // for DHT11
}
}
if (t) {
*t = (float)(((data[2] & 0x7F) << 8) + data[3]) / 10;
if (*t > 125) {
*t = data[2]; // for DHT11
}
if (data[2] & 0x80) {
*t = -*t;
}
}
return 0;
}
void setprio() {
id_t pid = getpid();
int ret = setpriority(PRIO_PROCESS, pid, 10000);
if (ret < 0) {
fprintf(stderr, "Failed to set prio: %d\n", errno);
}
}
void usage(const char *cmd) {
fprintf(stderr, "Usage: %s [-d <delaymsec>] [-r <retry>] [-p <pin>] [-s all|hum|temp]\n", cmd);
exit(EXIT_FAILURE);
}
int main(int argc, char *argv[])
{
int delaymsec = 0;
int retry = 2;
int whattoshow = 0;
while (true) {
switch (getopt(argc, argv, "d:r:p:s:")) {
case -1:
goto done;
case 'd':
delaymsec = atoi(optarg);
break;
case 'r':
retry = atoi(optarg);
break;
case 'p':
DHT_PIN = atoi(optarg);
break;
case 's':
if (!strcmp(optarg, "all")) {
whattoshow = 0;
} else if (!strcmp(optarg, "hum")) {
whattoshow = 1;
} else if (!strcmp(optarg, "temp")) {
whattoshow = 2;
} else {
usage(argv[0]);
}
break;
default: /* '?' */
usage(argv[0]);
break;
}
}
done:
if (DHT_PIN <= 0) {
fprintf(stderr, "Missing DHT PIN. Go to: http://joey.hazlett.us/pine64/pine64_pins.html\n");
usage(argv[0]);
}
if (wiringPiSetup()) {
fprintf(stderr, "Failed to configure GPIO\n");
usage(argv[0]);
}
setprio();
while (1) {
float h = 0, c = 0;
for(int i = 0; i <= retry; ++i) {
if(read_dht_data(&h, &c) == 0) {
switch(whattoshow) {
case 0:
printf("Humidity: %.1f %%\n", h);
printf("Temperature: %.1f *C\n", c);
break;
case 1:
printf("%.1f\n", h);
break;
case 2:
printf("%.1f\n", c);
break;
}
break;
}
}
if(delaymsec > 0) {
delay(delaymsec);
} else {
break;
}
}
return(0);
}

20
salad/dht22-pine64/pine64-gpio-number.py Normal file
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#!/usr/bin/python3
import sys
import string
def convert(value):
value = value.upper()
alp = value[1]
idx = string.ascii_uppercase.index(alp)
num = int(value[2:], 10)
res = idx * 32 + num
return res
if __name__ == "__main__":
args = sys.argv[1:]
if not args:
print("Usage: %s <pin>" % sys.argv[0])
sys.exit(1)
print("%d" % convert(args[0]))

103
salad/dht22-pine64/wiringPi.c Normal file
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// License MIT
// Compatibility layer done by Kamil Trzcinski <ayufan@ayufan.eu>
#include "wiringPi.h"
static uint64_t epochMilli, epochMicro;
int wiringPiSetup()
{
initialiseEpoch();
return setup();
}
int digitalRead(int gpio)
{
return input_gpio(gpio);
}
void digitalWrite(int gpio, int value)
{
output_gpio(gpio, value);
}
void pinMode(int gpio, int direction)
{
setup_gpio(gpio, direction, PUD_UP);
}
//
// The functions belowe are copied from wiringPi
//
void initialiseEpoch (void)
{
struct timeval tv ;
gettimeofday (&tv, NULL) ;
epochMilli = (uint64_t)tv.tv_sec * (uint64_t)1000 + (uint64_t)(tv.tv_usec / 1000) ;
epochMicro = (uint64_t)tv.tv_sec * (uint64_t)1000000 + (uint64_t)(tv.tv_usec) ;
}
void delayMicrosecondsHard (unsigned int howLong)
{
struct timeval tNow, tLong, tEnd ;
gettimeofday (&tNow, NULL) ;
tLong.tv_sec = howLong / 1000000 ;
tLong.tv_usec = howLong % 1000000 ;
timeradd (&tNow, &tLong, &tEnd) ;
while (timercmp (&tNow, &tEnd, <))
gettimeofday (&tNow, NULL) ;
}
void delayMicroseconds (unsigned int howLong)
{
struct timespec sleeper ;
unsigned int uSecs = howLong % 1000000 ;
unsigned int wSecs = howLong / 1000000 ;
/**/ if (howLong == 0)
return ;
else if (howLong < 100)
delayMicrosecondsHard (howLong) ;
else
{
sleeper.tv_sec = wSecs ;
sleeper.tv_nsec = (long)(uSecs * 1000L) ;
nanosleep (&sleeper, NULL) ;
}
}
void delay (unsigned int howLong)
{
struct timespec sleeper, dummy ;
sleeper.tv_sec = (time_t)(howLong / 1000) ;
sleeper.tv_nsec = (long)(howLong % 1000) * 1000000 ;
nanosleep (&sleeper, &dummy) ;
}
unsigned int millis (void)
{
struct timeval tv ;
uint64_t now ;
gettimeofday (&tv, NULL) ;
now = (uint64_t)tv.tv_sec * (uint64_t)1000 + (uint64_t)(tv.tv_usec / 1000) ;
return (uint32_t)(now - epochMilli) ;
}
unsigned int micros (void)
{
struct timeval tv ;
uint64_t now ;
gettimeofday (&tv, NULL) ;
now = (uint64_t)tv.tv_sec * (uint64_t)1000000 + (uint64_t)tv.tv_usec ;
return (uint32_t)(now - epochMicro) ;
}

19
salad/dht22-pine64/wiringPi.h Normal file
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// License MIT
// Compatibility layer done by Kamil Trzcinski <ayufan@ayufan.eu>
#include "c_gpio.h"
#include <sys/time.h>
#include <unistd.h>
#include <stdint.h>
#include <time.h>
int wiringPiSetup();
int digitalRead(int gpio);
void digitalWrite(int gpio, int value);
void pinMode(int gpio, int direction);
void initialiseEpoch (void);
void delayMicrosecondsHard (unsigned int howLong);
void delayMicroseconds (unsigned int howLong);
void delay (unsigned int howLong);
unsigned int millis (void);
unsigned int micros (void);

33
salad/gpioinit.sh Executable file
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#! /bin/sh
ntpdate -q 0.rhel.pool.ntp.org
echo 361 >/sys/class/gpio/export
echo out >/sys/class/gpio/gpio361/direction
echo 1 >/sys/class/gpio/gpio361/value
echo 68 >/sys/class/gpio/export
echo out >/sys/class/gpio/gpio68/direction
echo 1 >/sys/class/gpio/gpio68/value
echo 36 >/sys/class/gpio/export
echo out >/sys/class/gpio/gpio36/direction
echo 1 >/sys/class/gpio/gpio36/value
echo 37 >/sys/class/gpio/export
echo out >/sys/class/gpio/gpio37/direction
echo 1 >/sys/class/gpio/gpio37/value
echo 39 >/sys/class/gpio/export
echo out >/sys/class/gpio/gpio39/direction
echo 1 >/sys/class/gpio/gpio39/value
echo 101 >/sys/class/gpio/export
echo out >/sys/class/gpio/gpio101/direction
echo 1 >/sys/class/gpio/gpio101/value
echo 38 >/sys/class/gpio/export
echo in >/sys/class/gpio/gpio38/direction
sleep 120
ntpdate -q 0.rhel.pool.ntp.org

17
salad/screenshot.sh Executable file
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#!/bin/bash
# 10-15sec for photo
SAVEDIR=/salad/screenshots/
DATETIME=`date "+%Y-%m-%d-%H-%M-%S"`
CH1STATUS=`gpio read 21`
cd /salad
./ch2on.sh
sleep 0.5
./ch1off.sh
sleep 9
ffmpeg -rtsp_transport tcp -i 'rtsp://ip.of.web.cam/user=admin&password=&channel=1&stream=0.sdp' -f image2 -vframes 1 -pix_fmt yuvj420p ${SAVEDIR}${DATETIME}.jpeg
if [ "$CH1STATUS" = 0 ]
then
./ch1on.sh
fi
sleep 0.1
./ch2off.sh