Added PORT A i2c and slowed down display SPI

Author: CDarius

ports/espressif/boards/m5stack_stick_c/board.c

@@ -230,7 +230,7 @@ static bool display_init(void) {
         &pin_GPIO23,    // DC
         &pin_GPIO5,     // CS
         &pin_GPIO18,    // RST
-        40000000,       // baudrate
+        10000000,       // baudrate
         0,              // polarity
         0               // phase
         );

ports/espressif/boards/m5stack_stick_c/mpconfigboard.h

@@ -31,8 +31,9 @@
 
 #define MICROPY_HW_LED_STATUS       (&pin_GPIO10)
 
-#define CIRCUITPY_BOARD_I2C         (1)
-#define CIRCUITPY_BOARD_I2C_PIN     {{.scl = &pin_GPIO22, .sda = &pin_GPIO21}}
+#define CIRCUITPY_BOARD_I2C         (2)
+#define CIRCUITPY_BOARD_I2C_PIN     {{.scl = &pin_GPIO22, .sda = &pin_GPIO21}, \
+                                     {.scl = &pin_GPIO33, .sda = &pin_GPIO32}}
 
 // For entering safe mode
 #define CIRCUITPY_BOOT_BUTTON       (&pin_GPIO37)

ports/espressif/boards/m5stack_stick_c/pins.c

@@ -1,6 +1,8 @@
 #include "shared-bindings/board/__init__.h"
 #include "shared-module/displayio/__init__.h"
 
+CIRCUITPY_BOARD_BUS_SINGLETON(porta_i2c, i2c, 1)
+
 STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
 
@@ -16,10 +18,10 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_D0), MP_ROM_PTR(&pin_GPIO0) },
 
     { MP_ROM_QSTR(MP_QSTR_PORTA_SDA), MP_ROM_PTR(&pin_GPIO32) },
-    { MP_ROM_QSTR(MP_QSTR_D21), MP_ROM_PTR(&pin_GPIO32) },
+    { MP_ROM_QSTR(MP_QSTR_D32), MP_ROM_PTR(&pin_GPIO32) },
 
     { MP_ROM_QSTR(MP_QSTR_PORTA_SCL), MP_ROM_PTR(&pin_GPIO33) },
-    { MP_ROM_QSTR(MP_QSTR_D22), MP_ROM_PTR(&pin_GPIO33) },
+    { MP_ROM_QSTR(MP_QSTR_D33), MP_ROM_PTR(&pin_GPIO33) },
 
     { MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_GPIO10) },
     { MP_ROM_QSTR(MP_QSTR_IR_LED), MP_ROM_PTR(&pin_GPIO9) },
@@ -47,6 +49,7 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_LCD_CS), MP_ROM_PTR(&pin_GPIO5) },
 
     { MP_ROM_QSTR(MP_QSTR_SYS_I2C), MP_ROM_PTR(&board_i2c_obj) },
+    { MP_ROM_QSTR(MP_QSTR_PORTA_I2C), MP_ROM_PTR(&board_porta_i2c_obj) },
 
     { MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display)}
 };