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Refactor E6V2 BMC PCB to get rid of custom i2c code in favor of QMK i2c_master (#5572)

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* remove custom i2c code in favor of QMK i2c_master

* clean up config file

* fix pyusb install instructions

* fix naming in usbconfig.h

* disable bootmagic as it does not work for bmc boards
This commit is contained in:
Drashna Jaelre 2019-04-07 07:33:10 -07:00 committed by GitHub
commit b8f7834051
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7 changed files with 10 additions and 148 deletions
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4
keyboards/exclusive/e6v2/bmc/bmc.c
View file

@ -15,7 +15,7 @@
*/
#include "bmc.h"
#include "rgblight.h"
#include "i2c.h"
#include "i2c_master.h"
void matrix_init_kb(void) {
// put your keyboard start-up code here
@ -57,7 +57,7 @@ void rgblight_set(void) {
}
i2c_init();
i2c_send(0xb0, (uint8_t*)led, 3 * RGBLED_NUM);
i2c_transmit(0xb0, (uint8_t*)led, 3 * RGBLED_NUM, 100);
}
#endif

8
keyboards/exclusive/e6v2/bmc/config.h
View file

@ -45,13 +45,5 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define MATRIX_COL_PINS { A0, A1, A2, A3, A4, A5, C2, C3, C4, C5, D7 }
#define DIODE_DIRECTION COL2ROW
#define RGBLED_NUM 6
#define RGBLIGHT_ANIMATIONS
#define NO_UART 1
#define BOOTLOADHID_BOOTLOADER 1
// Set bootmagic lite key to the key commonly programmed as Esc.
#define BOOTMAGIC_LITE_ROW 5
#define BOOTMAGIC_LITE_COLUMN 0

106
keyboards/exclusive/e6v2/bmc/i2c.c
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@ -1,106 +0,0 @@
/*
Copyright 2016 Luiz Ribeiro <luizribeiro@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/>.
*/
// Please do not modify this file
#include <avr/io.h>
#include <util/twi.h>
#include "i2c.h"
void i2c_set_bitrate(uint16_t bitrate_khz) {
uint8_t bitrate_div = ((F_CPU / 1000l) / bitrate_khz);
if (bitrate_div >= 16) {
bitrate_div = (bitrate_div - 16) / 2;
}
TWBR = bitrate_div;
}
void i2c_init(void) {
// set pull-up resistors on I2C bus pins
PORTC |= 0b11;
i2c_set_bitrate(400);
// enable TWI (two-wire interface)
TWCR |= (1 << TWEN);
// enable TWI interrupt and slave address ACK
TWCR |= (1 << TWIE);
TWCR |= (1 << TWEA);
}
uint8_t i2c_start(uint8_t address) {
// reset TWI control register
TWCR = 0;
// begin transmission and wait for it to end
TWCR = (1<<TWINT) | (1<<TWSTA) | (1<<TWEN);
while (!(TWCR & (1<<TWINT)));
// check if the start condition was successfully transmitted
if ((TWSR & 0xF8) != TW_START) {
return 1;
}
// transmit address and wait
TWDR = address;
TWCR = (1<<TWINT) | (1<<TWEN);
while (!(TWCR & (1<<TWINT)));
// check if the device has acknowledged the READ / WRITE mode
uint8_t twst = TW_STATUS & 0xF8;
if ((twst != TW_MT_SLA_ACK) && (twst != TW_MR_SLA_ACK)) {
return 1;
}
return 0;
}
void i2c_stop(void) {
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
}
uint8_t i2c_write(uint8_t data) {
TWDR = data;
// transmit data and wait
TWCR = (1<<TWINT) | (1<<TWEN);
while (!(TWCR & (1<<TWINT)));
if ((TWSR & 0xF8) != TW_MT_DATA_ACK) {
return 1;
}
return 0;
}
uint8_t i2c_send(uint8_t address, uint8_t *data, uint16_t length) {
if (i2c_start(address)) {
return 1;
}
for (uint16_t i = 0; i < length; i++) {
if (i2c_write(data[i])) {
return 1;
}
}
i2c_stop();
return 0;
}

24
keyboards/exclusive/e6v2/bmc/i2c.h
View file

@ -1,24 +0,0 @@
/*
Copyright 2016 Luiz Ribeiro <luizribeiro@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/>.
*/
// Please do not modify this file
#pragma once
void i2c_init(void);
void i2c_set_bitrate(uint16_t bitrate_khz);
uint8_t i2c_send(uint8_t address, uint8_t *data, uint16_t length);

6
keyboards/exclusive/e6v2/bmc/readme.md
View file

@ -14,7 +14,7 @@ Flashing
ps2avr(GB) boards use an atmega32a microcontroller and a different bootloader. It is not flashable using the regular QMK methods.
**Reset Key:** Hold down the key located at `K00`, commonly programmed as left control while plugging in the keyboard. You may also hold down the key located at `K50`, commonly programmed as the escape key.
**Reset Key:** Hold down the key located at `K00`, commonly programmed as left control while plugging in the keyboard.
Windows:
1. Download [HIDBootFlash](http://vusb.wikidot.com/project:hidbootflash).
@ -34,9 +34,9 @@ macOS:
```
3. Install the following packages:
```
brew install python
brew install python3
pip3 install pyusb
brew install --HEAD`https://raw.githubusercontent.com/robertgzr/homebrew-tap/master/bootloadhid.rb
brew install --HEAD https://raw.githubusercontent.com/robertgzr/homebrew-tap/master/bootloadhid.rb
4. Place your keyboard into reset.
5. Flash the board by typing `bootloadHID -r` followed by the path to your `.hex` file.

4
keyboards/exclusive/e6v2/bmc/rules.mk
View file

@ -66,7 +66,7 @@ BOOTLOADER = bootloadHID
# Build Options
# change yes to no to disable
#
BOOTMAGIC_ENABLE = lite # Virtual DIP switch configuration(+1000)
BOOTMAGIC_ENABLE = no # Virtual DIP switch configuration(+1000)
MOUSEKEY_ENABLE = yes # Mouse keys(+4700)
EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
CONSOLE_ENABLE = yes # Console for debug(+400)
@ -85,6 +85,6 @@ AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
HD44780_ENABLE = no # Enable support for HD44780 based LCDs (+400)
SRC += i2c.c
SRC += i2c_master.c
PROGRAM_CMD = ./util/atmega32a_program.py $(TARGET).hex

6
keyboards/exclusive/e6v2/bmc/usbconfig.h
View file

@ -240,8 +240,8 @@ section at the end of this file).
#define USB_CFG_DEVICE_VERSION 0x00, 0x02
/* Version number of the device: Minor number first, then major number.
*/
#define USB_CFG_VENDOR_NAME 'G', 'r', 'a', 'y', ' ', 'S', 't', 'u', 'd', 'i', 'o'
#define USB_CFG_VENDOR_NAME_LEN 11
#define USB_CFG_VENDOR_NAME 'E', 'x', 'c', 'l', 'u', 's', 'i', 'v', 'e'
#define USB_CFG_VENDOR_NAME_LEN 9
/* These two values define the vendor name returned by the USB device. The name
* must be given as a list of characters under single quotes. The characters
* are interpreted as Unicode (UTF-16) entities.
@ -250,7 +250,7 @@ section at the end of this file).
* obdev's free shared VID/PID pair. See the file USB-IDs-for-free.txt for
* details.
*/
#define USB_CFG_DEVICE_NAME 'H', 'B', '8', '5'
#define USB_CFG_DEVICE_NAME 'E', '6', 'V', '2'
#define USB_CFG_DEVICE_NAME_LEN 4
/* Same as above for the device name. If you don't want a device name, undefine
* the macros. See the file USB-IDs-for-free.txt before you assign a name if