TTGO T-Watch-2020 support and demo

README.md

@@ -18,6 +18,11 @@ The firmware/pybv11 directory contains a firmware.dfu file with MicroPython
 v1.12-464-gcae77daf0 compiled with the st7789 C driver and
 the frozen python font files for the Pyboard v1.1.
 
+The firmware/ttgo_watch directory contains a firmware.bin file with MicroPython
+v1.12-464-gcae77daf0 compiled using ESP IDF v3 with the st7789
+C driver, frozen axp202c driver from https://github.com/lewisxhe/AXP202X_Libraries
+and the frozen python font files for the TTGO T-Watch-2020.
+
 This is a work in progress.
 
 Thanks go out to:

examples/watch_hello.py

 """
 watch_hello.py
 
-    Writes "Hello!" in random colors at random locations on a
-    LILYGO® TTGO T-Watch 2020.
+    Demo program for LILYGO® TTGO T-Watch-2020.
 
     https://youtu.be/Bwq39tuMoY4
 

firmware/README.md

@@ -10,7 +10,7 @@ the frozen python font files for the Pyboard v1.1.
 The ttgo_watch directory contains a firmware.bin file with MicroPython
 v1.12-464-gcae77daf0 compiled using ESP IDF v3 with the st7789
 C driver, frozen axp202c driver from https://github.com/lewisxhe/AXP202X_Libraries
-and the frozen python font files for the TTGO T-Watch 2020.
+and the frozen python font files for the TTGO T-Watch-2020.
 
 
 Frozen python bitmap font files included:

lib/axp202c.py

@@ -34,7 +34,6 @@ from ustruct import unpack
 
 
 
-
 # Chip Address
 AXP202_SLAVE_ADDRESS = 0x35
 AXP192_SLAVE_ADDRESS = 0x34
@@ -670,7 +669,7 @@ class PMU(object):
             mv = 3500
         elif self.chip == AXP192_CHIP_ID and mv > 3300:
             mv = 3300
-        
+
         if self.chip == AXP202_CHIP_ID:
             val = (mv - 700) / 25
             prev = self.read_byte(AXP202_LDO3OUT_VOL)
@@ -684,7 +683,7 @@ class PMU(object):
             prev &= 0xF0
             prev = prev | int(val)
             self.write_byte(AXP192_LDO23OUT_VOL, int(prev))
-        
+
     def setLDO4Voltage(self, arg):
         data = self.read_byte(AXP202_LDO24OUT_VOL)
         data = data & 0xF0
@@ -789,7 +788,7 @@ class PMU(object):
         if(mask):
             return 0
         return data & (~self.__BIT_MASK(7))
-    
+
     def setChgLEDChgControl(self):
         data = self.read_byte(AXP202_OFF_CTL)
         data = data & 0b111110111

st7789/st7789.c

@@ -875,6 +875,7 @@ STATIC const mp_map_elem_t st7789_module_globals_table[] = {
 
 STATIC MP_DEFINE_CONST_DICT (mp_module_st7789_globals, st7789_module_globals_table );
 
+
 const mp_obj_module_t mp_module_st7789 = {
     .base = { &mp_type_module },
     .globals = (mp_obj_dict_t*)&mp_module_st7789_globals,