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JayD ByteBoi revision #20

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1b5e767
JayD hardware revision: reworked Pins class
antoniovalentic Sep 10, 2026
260afe0
ByteBoi hardware revision: reworked Pins class
antoniovalentic Sep 10, 2026
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2 changes: 1 addition & 1 deletion ports/esp32/boards/CM_JayD/mpconfigboard.h
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
#define MICROPY_HW_BOARD_NAME "CircuitMess Synthia"
#define MICROPY_HW_BOARD_NAME "CircuitMess JayD"
#define MICROPY_HW_MCU_NAME "ESP32"
346 changes: 228 additions & 118 deletions ports/esp32/libraries/ByteBoi/Pins.py
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Original file line number Diff line number Diff line change
@@ -1,125 +1,235 @@
from micropython import const

pinMap = [0] * 11


class Pins:
# Unused pins, no need to define them across all variants
# SPEAKER = const(25)
# SPEAKER_EN = const(13)
BL = 0
BATT = const(36)
CHARGE = 4
SD_SENSE = 5

LED_R = 1
LED_G = 2
LED_B = 3

SPI_SCK = 6
SPI_MISO = const(5)
SPI_MOSI = const(32)

SD_CS = const(2)

TFT_DC = const(21)
TFT_RST = const(27)
TFT_MISO = 7
TFT_MOSI = 8
TFT_CS = 9
TFT_SCK = 10

I2C_SDA = const(23)
I2C_SCL = const(22)

SHIFT_CLK = const(15)
SHIFT_DAT = const(4)
SHIFT_PL = const(0)
BL: int = const(0)
BATT: int = const(1)
CHARGE: int = const(2)
SD_SENSE: int = const(3)

LED_R: int = const(4)
LED_G: int = const(5)
LED_B: int = const(6)

SPI_SCK: int = const(7)
SPI_MISO: int = const(8)
SPI_MOSI: int = const(9)
SD_CS: int = const(10)

TFT_SCK: int = const(11)
TFT_MOSI: int = const(12)
TFT_CS: int = const(13)
TFT_DC: int = const(14)
TFT_RST: int = const(15)

I2C_SDA: int = const(16)
I2C_SCL: int = const(17)

SHIFT_CLK: int = const(18)
SHIFT_DAT: int = const(19)
SHIFT_PL: int = const(20)

# Button IDs as seen by the input driver (expander pin or shift register bit)
BTN_UP: int = const(21)
BTN_DOWN: int = const(22)
BTN_LEFT: int = const(23)
BTN_RIGHT: int = const(24)
BTN_A: int = const(25)
BTN_B: int = const(26)
BTN_C: int = const(27)

# ByteBoi v1.0 (eFuse revision 0, PCA95XX expander present)
# BL, CHARGE, SD_SENSE, LED_* and BTN_* are expander pins, the display shares the SD SPI bus
Rev1Map = {
BL: const(12),
BATT: const(36),
CHARGE: const(10),
SD_SENSE: const(8),

LED_R: const(14),
LED_G: const(15),
LED_B: const(13),

SPI_SCK: const(26),
SPI_MISO: const(5),
SPI_MOSI: const(32),
SD_CS: const(2),

TFT_SCK: const(26),
TFT_MOSI: const(32),
TFT_CS: const(33),
TFT_DC: const(21),
TFT_RST: const(27),

I2C_SDA: const(23),
I2C_SCL: const(22),

SHIFT_CLK: const(-1),
SHIFT_DAT: const(-1),
SHIFT_PL: const(-1),

BTN_UP: const(0),
BTN_DOWN: const(3),
BTN_LEFT: const(1),
BTN_RIGHT: const(2),
BTN_A: const(6),
BTN_B: const(5),
BTN_C: const(4),
}

# ByteBoi v1.1 (eFuse revision 0, no expander) - shift register input, GPIO RGB LED
Rev2Map = {
BL: const(18),
BATT: const(36),
CHARGE: const(35),
SD_SENSE: const(7),

LED_R: const(22),
LED_G: const(23),
LED_B: const(19),

SPI_SCK: const(14),
SPI_MISO: const(5),
SPI_MOSI: const(32),
SD_CS: const(2),

TFT_SCK: const(26),
TFT_MOSI: const(33),
TFT_CS: const(-1), # CS isn't connected in this variant
TFT_DC: const(21),
TFT_RST: const(27),

I2C_SDA: const(-1),
I2C_SCL: const(-1),

SHIFT_CLK: const(15),
SHIFT_DAT: const(4),
SHIFT_PL: const(0),

BTN_UP: const(7),
BTN_DOWN: const(4),
BTN_LEFT: const(5),
BTN_RIGHT: const(6),
BTN_A: const(3),
BTN_B: const(2),
BTN_C: const(1),
}

# ByteBoi v2.0 (eFuse revision 1) - no RGB LED
Rev3Map = {
BL: const(18),
BATT: const(36),
CHARGE: const(39),
SD_SENSE: const(34),

LED_R: const(-1),
LED_G: const(-1),
LED_B: const(-1),

SPI_SCK: const(14),
SPI_MISO: const(5),
SPI_MOSI: const(32),
SD_CS: const(2),

TFT_SCK: const(26),
TFT_MOSI: const(33),
TFT_CS: const(-1), # CS isn't connected in this variant
TFT_DC: const(21),
TFT_RST: const(27),

I2C_SDA: const(-1),
I2C_SCL: const(-1),

SHIFT_CLK: const(15),
SHIFT_DAT: const(4),
SHIFT_PL: const(0),

BTN_UP: const(7),
BTN_DOWN: const(4),
BTN_LEFT: const(5),
BTN_RIGHT: const(6),
BTN_A: const(3),
BTN_B: const(2),
BTN_C: const(1),
}

# ByteBoi v2.6 (eFuse revision 2) - shift register moved, SD on SDMMC
Rev4Map = {
BL: const(18),
BATT: const(36),
CHARGE: const(39),
SD_SENSE: const(34),

LED_R: const(-1),
LED_G: const(-1),
LED_B: const(-1),

# SD is on the native SDMMC slot-1 pins, driven in 1-bit mode. The SPI_* names carry
# CLK/D0/CMD. DAT3/CS isn't GPIO-connected (pulled up), so SPI mode is impossible - no SD_CS.
SPI_SCK: const(14),
SPI_MISO: const(2),
SPI_MOSI: const(15),
SD_CS: const(-1),

TFT_SCK: const(26),
TFT_MOSI: const(33),
TFT_CS: const(-1), # CS isn't connected in this variant
TFT_DC: const(21),
TFT_RST: const(27),

I2C_SDA: const(-1),
I2C_SCL: const(-1),

SHIFT_CLK: const(22),
SHIFT_DAT: const(4),
SHIFT_PL: const(19),

BTN_UP: const(7),
BTN_DOWN: const(4),
BTN_LEFT: const(5),
BTN_RIGHT: const(6),
BTN_A: const(3),
BTN_B: const(2),
BTN_C: const(1),
}

def __init__(self, variant):
self.currentMap = None
if variant == 0:
self.currentMap = self.Rev1Map
elif variant == 1:
self.currentMap = self.Rev2Map
elif variant == 2:
self.currentMap = self.Rev3Map
elif variant == 3:
self.currentMap = self.Rev4Map
else:
print("Unknown variant", variant)

def get(self, pin: int) -> int:
if not pin in self.currentMap:
print("Pin", pin, "not in map")
return -1

return self.currentMap[pin]


class Buttons:
Up = const(0)
Down = const(3)
Left = const(1)
Right = const(2)
A = const(6)
B = const(5)
C = const(4)


def init_pins(variant: int):
if variant == 0:
pinMap[0] = const(12) # BL_PIN

pinMap[1] = const(14) # LED_R
pinMap[2] = const(15) # LED_G
pinMap[3] = const(13) # LED_B
pinMap[4] = const(10) # CHARGE_DETECT_PIN
pinMap[5] = const(8) # SD_DETECT_PIN

pinMap[6] = const(26) # SPI_SCK

pinMap[7] = const(5)
pinMap[8] = const(32)
pinMap[9] = const(33)
pinMap[10] = -1

elif variant == 1:
pinMap[0] = const(18) # BL_PIN

pinMap[1] = const(22) # LED_R
pinMap[2] = const(23) # LED_G
pinMap[3] = const(19) # LED_B
pinMap[4] = const(35) # CHARGE_DETECT_PIN
pinMap[5] = const(7) # SD_DETECT_PIN

pinMap[6] = const(14) # SPI_SCK

pinMap[7] = -1 # TFT_MISO
pinMap[8] = const(33) # TFT_MOSI
pinMap[9] = -1 # TFT_CS <- CS isn't connected in this variant
pinMap[10] = const(26) # TFT_SCK

Buttons.Up = const(7)
Buttons.Down = const(4)
Buttons.Left = const(5)
Buttons.Right = const(6)
Buttons.A = const(3)
Buttons.B = const(2)
Buttons.C = const(1)

elif variant == 2:
pinMap[0] = const(18) # BL_PIN

pinMap[1] = const(-1) # LED_R
pinMap[2] = const(-1) # LED_G
pinMap[3] = const(-1) # LED_B
pinMap[4] = const(39) # CHARGE_DETECT_PIN
pinMap[5] = const(34) # SD_DETECT_PIN

pinMap[6] = const(14) # SPI_SCK

pinMap[7] = -1 # TFT_MISO
pinMap[8] = const(33) # TFT_MOSI
pinMap[9] = -1 # TFT_CS <- CS isn't connected in this variant
pinMap[10] = const(26) # TFT_SCK

Buttons.Up = const(7)
Buttons.Down = const(4)
Buttons.Left = const(5)
Buttons.Right = const(6)
Buttons.A = const(3)
Buttons.B = const(2)
Buttons.C = const(1)

Pins.BL = pinMap[0]
Pins.LED_R = pinMap[1]
Pins.LED_G = pinMap[2]
Pins.LED_B = pinMap[3]
Pins.CHARGE = pinMap[4]
Pins.SD_SENSE = pinMap[5]
Pins.SPI_SCK = pinMap[6]
Pins.TFT_MISO = pinMap[7]
Pins.TFT_MOSI = pinMap[8]
Pins.TFT_CS = pinMap[9]
Pins.TFT_SCK = pinMap[10]
# Defaults match the v1.0 expander layout; Buttons.init(pins) applies the current variant's IDs
Up: int = 0
Down: int = 3
Left: int = 1
Right: int = 2
A: int = 6
B: int = 5
C: int = 4

@classmethod
def init(cls, pins: Pins):
cls.Up = pins.get(Pins.BTN_UP)
cls.Down = pins.get(Pins.BTN_DOWN)
cls.Left = pins.get(Pins.BTN_LEFT)
cls.Right = pins.get(Pins.BTN_RIGHT)
cls.A = pins.get(Pins.BTN_A)
cls.B = pins.get(Pins.BTN_B)
cls.C = pins.get(Pins.BTN_C)
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