stmhal - fixed up adc stuff

Added support for the ADC channels and mappings to make_pins.py

I'm not sure if the hal properly deals with the channel 16/18 differences
between the 40x and 42x. It seems to deal with it partially. This particular
aspect will need testing on a 42x or 43x.

1 files changed, 2 insertions, 0 deletions

diff --git a/stmhal/adc.h b/stmhal/adc.h
new file mode 100644
index 000000000..502da20dd
--- /dev/null
+++ b/stmhal/adc.h
@@ -0,0 +1,2 @@
+MP_DECLARE_CONST_FUN_OBJ(pyb_ADC_all_obj);
+MP_DECLARE_CONST_FUN_OBJ(pyb_ADC_obj);