Skip to content

Add M5StampS3Mini board support #276

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
lovyan03 merged 1 commit into from
Jul 14, 2026
Merged

Add M5StampS3Mini board support #276

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
18 changes: 13 additions & 5 deletions src/M5Unified.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1492,21 +1492,29 @@ static constexpr const uint8_t _pin_table_mbus[][31] = {

case 1: // EFUSE_PKG_VERSION_ESP32S3PICO: // LGA56
if (board == board_t::board_unknown) {
/// AtomEchoS3R ?
if(_detect_i2c_device(45, 0, 0x18)) {
board = board_t::board_M5AtomVoiceS3R;
/// AtomS3RExt / AtomS3RCam have a BMI270 on the internal I2C bus.
if (_detect_i2c_device(45, 0, 0x68)
|| _detect_i2c_device(45, 0, 0x69)) {
board = board_t::board_M5AtomS3RExt;
}
/// Stamp-S3Bat ?
else if (_detect_i2c_device(48, 47, 0x6E)) {
board = board_t::board_M5StampS3Bat;
}
/// AtomEchoS3R ?
else if(_detect_i2c_device(45, 0, 0x18)) {
board = board_t::board_M5AtomVoiceS3R;
}
/// StampS3Mini has no other onboard device that can identify it.
else {
board = board_t::board_M5StampS3Mini;
}
}

if (board == board_t::board_unknown)
if (board == board_t::board_M5AtomS3RExt)
{ /// AtomS3RCam or AtomS3RExt ?
// Cam = GC0308 = I2C 7bit addr = 0x21
// CamM12 = OV3660 = I2C 7bit addr = 0x3C
board = board_t::board_M5AtomS3RExt;
m5gfx::gpio_lo(GPIO_NUM_18);
m5gfx::pinMode(GPIO_NUM_18, m5gfx::pin_mode_t::output);
m5gfx::gpio::pin_backup_t pin_backup[] = { GPIO_NUM_9, GPIO_NUM_12, GPIO_NUM_21 };
Expand Down
Loading