Commit 3d945559 authored by Dave Hylands's avatar Dave Hylands Committed by Damien George
Browse files

Added python script to map AF to a pin name

Added some functions to Pin class to query mode, pull, and af
parent c668d51b
......@@ -238,6 +238,7 @@ GEN_PINS_SRC = $(BUILD)/pins_$(BOARD).c
GEN_PINS_HDR = $(HEADER_BUILD)/pins.h
GEN_PINS_QSTR = $(BUILD)/pins_qstr.h
GEN_PINS_AF_CONST = $(HEADER_BUILD)/pins_af_const.h
GEN_PINS_AF_PY = $(BUILD)/pins_af.py
INSERT_USB_IDS = ../tools/insert-usb-ids.py
FILE2H = ../tools/file2h.py
......@@ -260,7 +261,7 @@ $(BUILD)/main.o: $(GEN_CDCINF_HEADER)
# both pins_$(BOARD).c and pins.h
$(BUILD)/%_$(BOARD).c $(HEADER_BUILD)/%.h $(HEADER_BUILD)/%_af_const.h $(BUILD)/%_qstr.h: boards/$(BOARD)/%.csv $(MAKE_PINS) $(AF_FILE) $(PREFIX_FILE) | $(HEADER_BUILD)
$(ECHO) "Create $@"
$(Q)$(PYTHON) $(MAKE_PINS) --board $(BOARD_PINS) --af $(AF_FILE) --prefix $(PREFIX_FILE) --hdr $(GEN_PINS_HDR) --qstr $(GEN_PINS_QSTR) --af-const $(GEN_PINS_AF_CONST) > $(GEN_PINS_SRC)
$(Q)$(PYTHON) $(MAKE_PINS) --board $(BOARD_PINS) --af $(AF_FILE) --prefix $(PREFIX_FILE) --hdr $(GEN_PINS_HDR) --qstr $(GEN_PINS_QSTR) --af-const $(GEN_PINS_AF_CONST) --af-py $(GEN_PINS_AF_PY) > $(GEN_PINS_SRC)
$(BUILD)/pins_$(BOARD).o: $(BUILD)/pins_$(BOARD).c
$(call compile_c)
......
......@@ -315,6 +315,17 @@ class Pins(object):
print(' { %-*s %s },' % (mux_name_width + 26, key, val),
file=af_const_file)
def print_af_py(self, af_py_filename):
with open(af_py_filename, 'wt') as af_py_file:
print('PINS_AF = (', file=af_py_file);
for named_pin in self.board_pins:
print(" ('%s', " % named_pin.name(), end='', file=af_py_file)
for af in named_pin.pin().alt_fn:
if af.is_supported():
print("(%d, '%s'), " % (af.idx, af.af_str), end='', file=af_py_file)
print('),', file=af_py_file)
print(')', file=af_py_file)
def main():
parser = argparse.ArgumentParser(
......@@ -334,6 +345,12 @@ def main():
help="Specifies header file for alternate function constants.",
default="build/pins_af_const.h"
)
parser.add_argument(
"--af-py",
dest="af_py_filename",
help="Specifies the filename for the python alternate function mappings.",
default="build/pins_af.py"
)
parser.add_argument(
"-b", "--board",
dest="board_filename",
......@@ -383,6 +400,7 @@ def main():
pins.print_header(args.hdr_filename)
pins.print_qstr(args.qstr_filename)
pins.print_af_hdr(args.af_const_filename)
pins.print_af_py(args.af_py_filename)
if __name__ == "__main__":
......
......@@ -508,6 +508,33 @@ STATIC mp_obj_t pin_gpio(mp_obj_t self_in) {
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pin_gpio_obj, pin_gpio);
/// \method mode()
/// Returns the currently configured mode of the pin. The integer returned
/// will match one of the allowed constants for the mode argument to the init
/// function.
STATIC mp_obj_t pin_mode(mp_obj_t self_in) {
return MP_OBJ_NEW_SMALL_INT(pin_get_mode(self_in));
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pin_mode_obj, pin_mode);
/// \method pull()
/// Returns the currently configured pull of the pin. The integer returned
/// will match one of the allowed constants for the pull argument to the init
/// function.
STATIC mp_obj_t pin_pull(mp_obj_t self_in) {
return MP_OBJ_NEW_SMALL_INT(pin_get_pull(self_in));
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pin_pull_obj, pin_pull);
/// \method af()
/// Returns the currently configured af of the pin. The integer returned
/// will match one of the allowed constants for the af argument to the init
/// function.
STATIC mp_obj_t pin_af(mp_obj_t self_in) {
return MP_OBJ_NEW_SMALL_INT(pin_get_af(self_in));
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pin_af_obj, pin_af);
STATIC const mp_map_elem_t pin_locals_dict_table[] = {
// instance methods
{ MP_OBJ_NEW_QSTR(MP_QSTR_init), (mp_obj_t)&pin_init_obj },
......@@ -520,6 +547,9 @@ STATIC const mp_map_elem_t pin_locals_dict_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR_port), (mp_obj_t)&pin_port_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_pin), (mp_obj_t)&pin_pin_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_gpio), (mp_obj_t)&pin_gpio_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_mode), (mp_obj_t)&pin_mode_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_pull), (mp_obj_t)&pin_pull_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_af), (mp_obj_t)&pin_af_obj },
// class methods
{ MP_OBJ_NEW_QSTR(MP_QSTR_mapper), (mp_obj_t)&pin_mapper_obj },
......
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