qmk-firmware/keyboards/bastardkb/charybdis/3x5/keymaps/drashna/config.h

/*

Copyright 2021 Quentin LEBASTARD <qlebastard@gmail.com>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#pragma once

#undef PRODUCT
#define PRODUCT "Charybdis Nano (Blackpill)"

#undef MATRIX_ROW_PINS
#define MATRIX_ROW_PINS \
    { B12, B13, B14, B15 }
#undef MATRIX_COL_PINS
#define MATRIX_COL_PINS \
    { A15, B3, B4, B5, B6 }


#undef MATRIX_ROW_PINS_RIGHT
#define MATRIX_ROW_PINS_RIGHT \
    { B12, B13, B14, B15 }
#undef MATRIX_COL_PINS_RIGHT
#define MATRIX_COL_PINS_RIGHT \
    { A15, B3, B4, B5, B6 }

#define USB_VBUS_PIN        B10
#define SPLIT_HAND_PIN      C14  // high = left, low = right

// WS2812 RGB LED strip input and number of LEDs
#undef RGB_DI_PIN
#define RGB_DI_PIN          A1
#undef RGB_MATRIX_MAXIMUM_BRIGHTNESS
#define RGB_MATRIX_MAXIMUM_BRIGHTNESS 150
#define WS2812_PWM_DRIVER   PWMD2  // default: PWMD2
#define WS2812_PWM_CHANNEL  2      // default: 2
#define WS2812_PWM_PAL_MODE 1      // Pin "alternate function", see the respective datasheet for the appropriate values for your MCU. default: 2
#define WS2812_EXTERNAL_PULLUP
//#define WS2812_PWM_COMPLEMENTARY_OUTPUT // Define for a complementary timer output (TIMx_CHyN); omit for a normal timer output (TIMx_CHy).
#define WS2812_DMA_STREAM   STM32_DMA1_STREAM7  // DMA Stream for TIMx_UP, see the respective reference manual for the appropriate values for your MCU.
#define WS2812_DMA_CHANNEL  3                   // DMA Channel for TIMx_UP, see the respective reference manual for the appropriate values for your MCU.
#define WS2812_PWM_TARGET_PERIOD 800000

#define DEBUG_LED_PIN     C13

/* Audio config */
#define AUDIO_PIN          B1
#define AUDIO_PWM_DRIVER   PWMD3
#define AUDIO_PWM_CHANNEL  4
#define AUDIO_PWM_PAL_MODE 2
#define AUDIO_STATE_TIMER  GPTD4

/* serial.c configuration for split keyboard */
#undef SOFT_SERIAL_PIN
#define SERIAL_USART_FULL_DUPLEX  // Enable full duplex operation mode.
#define SERIAL_USART_TX_PIN      A2
#define SERIAL_USART_RX_PIN      A3
#define SERIAL_USART_DRIVER      SD2
#define SERIAL_USART_TX_PAL_MODE 7    // Pin "alternate function", see the respective datasheet for the appropriate values for your MCU. default: 7
#define SERIAL_USART_RX_PAL_MODE 7    // Pin "alternate function", see the respective datasheet for the appropriate values for your MCU. default: 7
#define SERIAL_USART_TIMEOUT     100  // USART driver timeout. default 100
#define SERIAL_USART_SPEED       921600
// #define SERIAL_USART_PIN_SWAP // swap RX and TX pins on master
// To use the highest possible baudrate (3.75Mbit/s) uncomment the following
// line, this can result in dropped communications so lower the speed if there
// are many timeouts.
// #define SERIAL_USART_SPEED (STM32_PCLK2 >> 4)

#define CRC8_USE_TABLE
#define CRC8_OPTIMIZE_SPEED

/* spi config for eeprom and pmw3360 sensor */
#define SPI_DRIVER                           SPID1
#define SPI_SCK_PIN                          A5
#define SPI_SCK_PAL_MODE                     5
#define SPI_MOSI_PIN                         A7
#define SPI_MOSI_PAL_MODE                    5
#define SPI_MISO_PIN                         A6
#define SPI_MISO_PAL_MODE                    5

/* eeprom config */
#define EXTERNAL_EEPROM_SPI_SLAVE_SELECT_PIN A4
#define EXTERNAL_EEPROM_SPI_CLOCK_DIVISOR    64
// #define EXTERNAL_EEPROM_BYTE_COUNT           8196
// #define EXTERNAL_EEPROM_PAGE_SIZE            32
// #define EXTERNAL_EEPROM_ADDRESS_SIZE         2

/* pmw3360 config  */
#undef PMW33XX_CS_PIN
#define PMW33XX_CS_PIN                       B0

#define CHARYBDIS_MINIMUM_DEFAULT_DPI 1200
#define CHARYBDIS_DEFAULT_DPI_CONFIG_STEP 400
#define CHARYBDIS_MINIMUM_SNIPING_DPI 200
#define CHARYBDIS_SNIPING_DPI_CONFIG_STEP 100