qmk_firmware/keyboards/matrix/noah/config.h

/**
 * config.h
 *
 */

#pragma once

/* USB Device descriptor parameter */
#define VENDOR_ID  0x4D58   // MX
#define PRODUCT_ID 0x0065   // noah 65
#define DEVICE_VER 0x0001
#define MANUFACTURER matrix
#define PRODUCT NOAH
#define DESCRIPTION 65% keybaord of the Matrix abel family

/* key matrix size */
#define MATRIX_ROWS 5
#define MATRIX_COLS 15

#define DIODE_DIRECTION COL2ROW
#define DEBOUNCING_DELAY 5

// i2c setting
#define USE_I2CV1
#define I2C1_SCL 8
#define I2C1_SDA 9
#define I2C1_CLOCK_SPEED 400000
#define I2C1_DUTY_CYCLE FAST_DUTY_CYCLE_2
#define PAL_MODE_STM32_ALTERNATE_OPENDRAIN (PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN)

// rgb matrix setting
#define DRIVER_ADDR_1 0b1110100
#define DRIVER_ADDR_2 0b1110110
#define DRIVER_COUNT 2
#define DRIVER_1_LED_TOTAL 36
#define DRIVER_2_LED_TOTAL 36
#define DRIVER_LED_TOTAL (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL)

/* indicator rgb */
#define WS2812_LED_N 7
#define RGBLED_NUM WS2812_LED_N
#define WS2812_TIM_N 3
#define WS2812_TIM_CH 3
#define PORT_WS2812 GPIOB
#define PIN_WS2812 1
#define WS2812_DMA_STREAM STM32_DMA1_STREAM2  // DMA stream for TIMx_UP (look up in reference manual under DMA Channel selection)
#define WS2812_DMA_CHANNEL 5                  // DMA channel for TIMx_UP
#define RGBLIGHT_ANIMATIONS
//#define WS2812_EXTERNAL_PULLUP

// tapping setting
#define TAPPING_TERM 200
#define RETRO_TAPPING
#define PERMISSIVE_HOLD