stmhal: Update help and comments re gpio changing to Pin.

stmhal/help.c

@@ -21,21 +21,20 @@ STATIC const char *help_text =
 "  pyb.switch(f)   -- call the given function when the switch is pressed\n"
 "  pyb.Led(n)      -- create Led object for LED n (n=1,2,3,4)\n"
 "                     Led methods: on(), off(), toggle(), intensity(<n>)\n"
+"  pyb.Pin(pin)    -- get a pin\n"
+"  pyb.Pin(pin, m, [p]) -- get a pin and configure it for IO mode m, pull mode p\n"
+"                     Pin methods: value([v]), high(), low()\n"
 "  pyb.Servo(n)    -- create Servo object for servo n (n=1,2,3,4)\n"
 "                     Servo methods: calibrate(...), pulse_width([p]), angle([x, [t]]), speed([x, [t]])\n"
 "  pyb.Accel()     -- create an Accelerometer object\n"
 "                     Accelerometer methods: x(), y(), z(), tilt(), filtered_xyz()\n"
 "  pyb.rng()       -- get a 30-bit hardware random number\n"
-"  pyb.gpio_in(port, [m])  -- set IO port to input, mode m\n"
-"  pyb.gpio_out(port, [m]) -- set IO port to output, mode m\n"
-"  pyb.gpio(port)      -- get digital port value\n"
-"  pyb.gpio(port, val) -- set digital port value, True or False, 1 or 0\n"
 "  pyb.ADC(port)   -- make an analog port object\n"
 "                     ADC methods: read()\n"
 "\n"
 "Ports are numbered X1-X12, X17-X22, Y1-Y12, or by their MCU name\n"
-"Port input modes are: pyb.PULL_NONE, pyb.PULL_UP, pyb.PULL_DOWN\n"
+"Port IO modes are: pyb.Pin.IN, pyb.Pin.OUT_PP, pyb.Pin.OUT_OD\n"
-"Port output modes are: pyb.PUSH_PULL, pyb.OPEN_DRAIN\n"
+"Port pull modes are: pyb.Pin.PULL_NONE, pyb.Pin.PULL_UP, pyb.Pin.PULL_DOWN\n"
 "\n"
 "Control commands:\n"
 "  CTRL-A       -- on a blank line, enter raw REPL mode\n"

stmhal/modpyb.c

@@ -13,7 +13,6 @@
 #include "pybstdio.h"
 #include "pyexec.h"
 #include "led.h"
-#include "gpio.h"
 #include "pin.h"
 #include "extint.h"
 #include "usrsw.h"

stmhal/pin.c

@@ -18,7 +18,7 @@
 //
 //   x1_pin = pyb.Pin.board.X1
 //
-//   g = pyb.gpio(pyb.Pin.board.X1, 0)
+//   g = pyb.Pin(pyb.Pin.board.X1, pyb.Pin.IN)
 //
 // CPU pins which correspond to the board pins are available
 // as pyb.cpu.Name. For the CPU pins, the names are the port letter
@@ -27,16 +27,16 @@
 //
 // You can also use strings:
 //
-//   g = pyb.gpio('X1', 0)
+//   g = pyb.Pin('X1', pyb.Pin.OUT_PP)
 //
 // Users can add their own names:
 //
-//   pyb.Pin("LeftMotorDir", pyb.Pin.cpu.C12)
+//   pyb.Pin.dict["LeftMotorDir"] = pyb.Pin.cpu.C12
-//   g = pyb.gpio("LeftMotorDir", 0)
+//   g = pyb.Pin("LeftMotorDir", pyb.Pin.OUT_OD)
 //
 // and can query mappings
 //
-//   pin = pyb.Pin("LeftMotorDir");
+//   pin = pyb.Pin("LeftMotorDir")
 //
 // Users can also add their own mapping function:
 //
@@ -46,7 +46,7 @@
 //
 //   pyb.Pin.mapper(MyMapper)
 //
-// So, if you were to call: pyb.gpio("LeftMotorDir", 0)
+// So, if you were to call: pyb.Pin("LeftMotorDir", pyb.Pin.OUT_PP)
 // then "LeftMotorDir" is passed directly to the mapper function.
 //
 // To summarize, the following order determines how things get mapped into

stmhal/qstrdefsport.h

@@ -34,9 +34,6 @@ Q(rng)
 Q(LCD)
 Q(SD)
 Q(SDcard)
-Q(gpio)
-Q(gpio_in)
-Q(gpio_out)
 Q(FileIO)
 // Entries for sys.path
 Q(0:/)

stmhal/usrsw.c

@@ -6,12 +6,10 @@
 #include "qstr.h"
 #include "obj.h"
 #include "runtime.h"
-#include "usrsw.h"
-
 #include "extint.h"
-#include "gpio.h"
 #include "pin.h"
 #include "genhdr/pins.h"
+#include "usrsw.h"
 
 // Usage Model:
 //