def write(self, port, level):
if port not in self.io_list:
_gpio_log.info("Port {} does not exist".format(port))
return 0
pin = Pin(port, Pin.OUT, Pin.PULL_DISABLE, 0)
if level:
_gpio_log.info("Write 1 to port {}".format(port))
pin.write(1)
else:
_gpio_log.info("Write 0 to port {}".format(port))
pin.write(0)
def write_extension(self, port, direction, pull_mode, level):
if port not in self.io_list:
_gpio_log.info("Port {} does not exist".format(port))
return 0
pin = Pin(port, direction, pull_mode, level)
if level:
_gpio_log.info("Write 1 to port {}".format(port))
pin.write(1)
else:
_gpio_log.info("Write 0 to port {}".format(port))
pin.write(0)
GPIO3 – 引脚号178
GPIO4 – 引脚号199
GPIO5 – 引脚号204
EC600SCN平台引脚对应关系如下：
GPIO1 – 引脚号10
GPIO2 – 引脚号11
GPIO3 – 引脚号12
GPIO4 – 引脚号13
GPIO5 – 引脚号14
GPIO6 – 引脚号15
GPIO7 – 引脚号16
GPIO8 – 引脚号39
GPIO9 – 引脚号40
GPIO10 – 引脚号48
* 参数2：direction
IN – 输入模式
OUT – 输出模式
* 参数3：pull
PULL_DISABLE – 禁用模式
PULL_PU – 上拉模式
PULL_PD – 下拉模式
* 参数4：level
0 设置引脚为低电平
1 设置引脚为高电平
'''
gpio1 = Pin(Pin.GPIO1, Pin.OUT, Pin.PULL_DISABLE, 0)
gpio1.write(1) # 设置gpio1 输出
gpio1.read() # 获取gpio的当前高低状态
# >>> 1
from machine import Pin
gpio1 = Pin(GPIO1, Pin.OUT, Pin.PULL_DISABLE, 0)
import utime
i = 1
# GPIOn 整型。引脚号。
# 引脚对应关系如下：
# GPIO1–引脚号 22
# GPIO2–引脚号 23
# GPIO3–引脚号 178
# GPIO4–引脚号 199
# GPIO5–引脚号 204
# direction 整型。
# IN 输入模式
# OUT 输出模式
# pullMode 整型。
# PULL_DISABLE 浮空模式
# PULL_PU 上拉模式
# PULL_PD 下拉模式
# level 整型。引脚电平。
# 0 设置引脚为低电平
# 1 设置引脚为高电平
while i < 100:
gpio1.write(0)
utime.sleep(1)
gpio1.write(1)
utime.sleep(1)
i += 1
from machine import Pin gpio1 = Pin(Pin.GPIO1, Pin.OUT, Pin.PULL_DISABLE, 0) ret = gpio1.write(1) print(ret) ret = gpio1.read() print(ret) ret = gpio1.write(0) print(ret) ret = gpio1.read() print(ret)
* 参数2：direction
IN – 输入模式
OUT – 输出模式
* 参数3：pull
PULL_DISABLE – 禁用模式
PULL_PU – 上拉模式
PULL_PD – 下拉模式
* 参数4：level
0 设置引脚为低电平
1 设置引脚为高电平
'''
gpio1 = Pin(Pin.GPIO1, Pin.OUT, Pin.PULL_DISABLE, 0)
if __name__ == '__main__':
'''
手动运行本例程时，可以去掉该延时，如果将例程文件名改为main.py，希望开机自动运行时，需要加上该延时,
否则无法从CDC口看到下面的 poweron_print_once() 中打印的信息
'''
utime.sleep(5)
checknet.poweron_print_once()
'''
如果用户程序包含网络相关代码，必须执行 wait_network_connected() 等待网络就绪（拨号成功）；
如果是网络无关代码，可以屏蔽 wait_network_connected()
【本例程可以屏蔽下面这一行！】
'''
# checknet.wait_network_connected()
gpio1.write(1) # 设置 gpio1 输出高电平
val = gpio1.read() # 获取 gpio1 的当前高低状态
print('val = {}'.format(val))
class ebf_smd4805():
dev_log = None
# 步进电机的参数
sm_para_step = None # 步进角度
# 控制器的参数
env_pin = None # 使能引脚
dir_pin = None # 方向引脚
pul_pwm = None # 脉冲输出引脚
ctrl_divstep = None # 细分参数，具体请参考控制器手册
def init(self, step, divstep):
self.dev_log = log.getLogger("ebf_smd4805")
self.env_pin = Pin(Pin.GPIO7, Pin.OUT, Pin.PULL_DISABLE, 0)
self.dir_pin = Pin(Pin.GPIO6, Pin.OUT, Pin.PULL_DISABLE, 0)
# 配置电机的参数
self.sm_para_step = step
# 配置控制器的参数
self.ctrl_divstep = divstep
def reset(self):
self.env_pin.write(DISABLE_MOTOR)
self.dir_pin.write(DIR_ANTI_CLOCKWISE)
if self.pul_pwm is not None:
self.pul_pwm.close()
# 根据频率 初始化PWM
def outputpwm(self, HZ, duty_cycle):
# 将HZ 转化为 us 级别
cycleTime = int(1000000/HZ)
highTime = int(cycleTime * duty_cycle)
return highTime, cycleTime
# 根据速度,设置PWM的输出
def enable_pwm(self, speed):
# 1. 首先根据步进电机的步进角度，计算旋转一圈需要多少个脉冲
Count_pulse = int(360/self.sm_para_step)
self.dev_log.debug("sm motor step as {0}".format(Count_pulse))
# 2. 根据控制器的细分参数，计算控制器控制步进电机旋转一圈，需要多少的脉冲
Count_pulse = int(Count_pulse * self.ctrl_divstep)
# 3. 最后计算出1秒旋转speed圈,需要多少个脉冲 , 换句话说 就是频率
Count_pulse = int(Count_pulse * speed)
# 4. 初始化PWM, 默认占空比%50
highTime, cycleTime = self.outputpwm(Count_pulse, 0.1)
self.dev_log.debug(
"""config frequency is {0}HZ,cycleTime {1}us, hightime {2}us"""
.format(Count_pulse, cycleTime, highTime))
self.pul_pwm = PWM(PWM.PWM2, PWM.ABOVE_10US,
int(highTime), int(cycleTime))
self.pul_pwm.open()
pass
def disable_pwm(self):
self.pul_pwm.close()
pass
# speed 为速度， 每秒多少圈
# Duration 为持续时间， ms
# dir 表示方向
def run(self, speed, Duration, dir=DIR_CLOCKWISE):
self.dir_pin.write(dir)
self.dev_log.info(
"Configure the motor to rotate {0} revolutions per second".format(speed))
self.enable_pwm(speed)
self.env_pin.write(1)
# delay
for i in range(int(Duration * 4)):
delay_250us()
self.env_pin.write(0)
self.reset()
pass
'''
BEARPI LED QuecPython demo
'''
from machine import Pin
LED = Pin(Pin.GPIO4, Pin.OUT)
LED(1)
LED.write(0)
class GetDeviceInfo():
'''
温湿度，GPS数据采集
'''
def __init__(self):
self.uart = UART(UART.UART2, 9600, 8, 0, 1, 0)
self.w_data = bytearray({0, 0})
self.r_data = bytearray(2)
self.I2C_SLAVE_ADDR_HDC1080 = 0x40
self.HDC1080_TEMPERATURE = 0x00
self.HDC1080_HUMIDITY = 0x01
self.HDC1080_CONFIGURATION = 0x02
self.HDC1080_MANUFACTURER_ID = 0xFE
self.HDC1080_DEVICE_ID = 0xFF
self.I2C_SLAVE_ADDR_BH1750 = 0x23
self.BH1750_POWER_ON = 0x01
self.BH1750_H_RE_MODE = 0x10
self.gpio5 = Pin(Pin.GPIO5, Pin.OUT, Pin.PULL_DISABLE, 1)
self.gpio5.write(0)
self.i2c_obj = I2C(I2C.I2C0, I2C.STANDARD_MODE)
reg_addr = bytearray({0x02, 0})
self.i2c_obj.write(self.I2C_SLAVE_ADDR_HDC1080, reg_addr, 1, self.w_data, 2)
utime.sleep_ms(10)
def middle(self):
global TEMPERATUR
global HUMIDITY
global LIGHT
global GPSMSG
while True:
reg_addr = bytearray({0xFE, 0xFE})
self.i2c_obj.read(self.I2C_SLAVE_ADDR_HDC1080, reg_addr, 1, self.r_data, 2, 0)
utime.sleep_ms(10)
reg_addr = bytearray({0xFF, 0xFF})
self.i2c_obj.read(self.I2C_SLAVE_ADDR_HDC1080, reg_addr, 1, self.r_data, 2, 0)
utime.sleep_ms(10)
reg_addr = bytearray({0x00, 0x00})
ret = self.i2c_obj.read(self.I2C_SLAVE_ADDR_HDC1080, reg_addr, 1, self.r_data, 2, 10)
if ret == 0:
TEMPERATUR = ((self.r_data[0] * 256 + self.r_data[1]) / (2 ** 16)) * 165 - 40
print('T', TEMPERATUR)
utime.sleep_ms(10)
reg_addr = bytearray({0x01, 0x01})
ret = self.i2c_obj.read(self.I2C_SLAVE_ADDR_HDC1080, reg_addr, 1, self.r_data, 2, 10)
if ret == 0:
HUMIDITY = ((self.r_data[0] * 256 + self.r_data[1]) / (2 ** 16)) * 100
print('H', HUMIDITY)
reg_addr = bytearray({0x01, 0x01})
self.i2c_obj.write(self.I2C_SLAVE_ADDR_BH1750, reg_addr, 1, self.w_data, 0)
utime.sleep_ms(10)
reg_addr = bytearray({0x10, 0x10})
self.i2c_obj.write(self.I2C_SLAVE_ADDR_BH1750, reg_addr, 1, self.w_data, 0)
utime.sleep_ms(200)
reg_addr = bytearray({0x00, 0x00})
ret = self.i2c_obj.read(self.I2C_SLAVE_ADDR_BH1750, reg_addr, 0, self.r_data, 2, 0)
if ret == 0:
LIGHT = (self.r_data[0] * 256 + self.r_data[1]) / 1.2
print('L', LIGHT)
len = self.uart.any()
if len > 0:
buf = self.uart.read(len)
gps_data = buf.decode().strip("b")
# print(gps_data)
try:
r = ure.search("GPRMC(.+?)M", gps_data)
gps_msg = r.group(0).split(",")
except Exception as e:
continue
print("GPS", gps_msg)
utime.sleep(1)
def run(self):
_thread.start_new_thread(self.middle, ())