Merge branch 'master' into i2c

README.md

@@ -45,6 +45,8 @@ On Raspberry Pi OS, the daemon `pigpiod` can be installed and launched by using
 sudo apt-get install pigpiod
 # enable pigpiod via system D
 sudo systemctl enable pigpiod
+# start pigpiod now
+sudo systemctl start pigpiod
 ```
 
 The daemon can also be launched manually with `sudo pigpiod` in the terminal.

src/PiGPIO.jl

@@ -3,7 +3,7 @@ module PiGPIO
 
 export Pi
 
-import Base: run
+import Base: run, write
 using Sockets
 
 include("constants.jl")

src/i2c.jl

@@ -328,9 +328,10 @@ the error code).
 ```julia
 (b, d) = i2c_read_block_data(pi, h, 10)
 if b >= 0
-# process data
+  # process data
 else
-# process read failure
+  # process read failure
+end
 ```
 """
 function i2c_read_block_data(self::Pi, handle, reg)
@@ -456,9 +457,10 @@ the error code).
 ```julia
 (b, d) = i2c_read_i2c_block_data(pi, h, 4, 32)
 if b >= 0
-# process data
+  # process data
 else
-# process read failure
+  # process read failure
+end
 ```
 """
 function i2c_read_i2c_block_data(self::Pi, handle, reg, count)

src/pi.jl

@@ -71,7 +71,7 @@ is negative it indicates an error.  On error a pigpio
 exception will be raised if exceptions is true.
 """
 function _u2i(x::UInt32)
-   v = convert(Int32, x)
+   v = reinterpret(Int32, x)
    if v < 0
       if exceptions
           error(error_text(v))
@@ -762,6 +762,7 @@ then GPIO x is high.
 h = notify_open(pi)
 if h >= 0
     notify_begin(pi, h, 1234)
+end
 ```
 """
 function notify_open(self::Pi)
@@ -784,6 +785,7 @@ The following code starts notifications for GPIO 1, 4,
 h = notify_open(pi)
 if h >= 0
     notify_begin(pi, h, 1234)
+end
 ```
 """
 function notify_begin(self::Pi, handle, bits)
@@ -807,6 +809,7 @@ if h >= 0
     # ...
     notify_begin(pi, h, 1234)
     # ...
+end
 ```
 """
 function notify_pause(self::Pi, handle)
@@ -825,6 +828,7 @@ if h >= 0
     # ...
     notify_close(pi, h)
     # ...
+end
 ```
 """
 function notify_close(self::Pi, handle)
@@ -1288,14 +1292,16 @@ otherwise false.
 
 ```julia
 if wait_for_edge(pi, 23)
-print("Rising edge detected")
+  print("Rising edge detected")
 else
-print("wait for edge timed out")
+  print("wait for edge timed out")
+end
 
 if wait_for_edge(pi, 23, PiGPIO.FALLING_EDGE, 5.0)
-print("Falling edge detected")
+  print("Falling edge detected")
 else
-print("wait for falling edge timed out")
+  print("wait for falling edge timed out")
+end
 ```
 """
 function wait_for_edge(self::Pi, user_gpio, edge=RISING_EDGE, wait_timeout=60.0)

src/spiSerial.jl

@@ -89,7 +89,7 @@ function spi_open(self::Pi, spi_channel, baud, spi_flags=0)
     ## extension ##
     # I spi_flags
     extents=IOBuffer()
-    write(extents, spi_flags::Cint)
+    write(extents, Cint(spi_flags))
     return _u2i(_pigpio_command_ext(
         self.sl, _PI_CMD_SPIO, spi_channel, baud, 4, extents))
 end
@@ -121,9 +121,10 @@ the error code).
 ```julia
 (b, d) = spi_read(pi, h, 60) # read 60 bytes from device h
 if b == 60
-# process read data
+  # process read data
 else
-# error path
+  # error path
+end
 ```
 """
 function spi_read(self::Pi, handle, count)
@@ -296,7 +297,8 @@ the error code).
 ```julia
 (b, d) = serial_read(pi, h2, 100)
 if b > 0
-# process read data
+  # process read data
+end
 ```
 """
 function serial_read(self::Pi, handle, count)
@@ -349,7 +351,8 @@ device associated with handle.
 rdy = serial_data_available(pi, h1)
 
 if rdy > 0
-(b, d) = serial_read(pi, h1, rdy)
+  (b, d) = serial_read(pi, h1, rdy)
+end
 ```
 """
 function serial_data_available(self::Pi, handle)
@@ -383,7 +386,7 @@ function bb_serial_read_open(self, user_gpio, baud, bb_bits=8)
     ## extension ##
     # I bb_bits
     extents = IOBuffer()
-    write(extents, bb_bits::Cuint)
+    write(extents, Cuint(bb_bits))
     return _u2i(_pigpio_command_ext(
         self.sl, _PI_CMD_SLRO, user_gpio, baud, 4, extents))
 end