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https://github.com/qmk/qmk_firmware
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[Keyboard] Refactor HB85 to get rid of custom i2c code (#5570)
* remove dependency on custom i2c code * missed a pragma once * fix readme install instructions * config.h cleanup * make the bootmagic key not the same bmc reset key * disable bootmagic functionality as it doesn't seem to work on atmega32a bmc boards
This commit is contained in:
MechMerlin
Drashna Jaelre
parent
a8e3462b4b
commit
b262f20ad4
7 changed files with 10 additions and 151 deletions
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@ -19,8 +19,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#define VENDOR_ID 0x20A0
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#define PRODUCT_ID 0x422F
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// TODO: share these strings with usbconfig.h
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// Edit usbconfig.h to change these.
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#define MANUFACTURER Gray Studio
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#define PRODUCT HB85
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@ -34,6 +32,3 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#define RGBLED_NUM 5
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#define RGBLIGHT_ANIMATIONS
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#define NO_UART 1
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#define BOOTLOADHID_BOOTLOADER 1
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@ -20,7 +20,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "rgblight.h"
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#include "i2c.h"
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#include "i2c_master.h"
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#include "quantum.h"
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#ifdef RGBLIGHT_ENABLE
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@ -36,7 +36,7 @@ void rgblight_set(void) {
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}
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i2c_init();
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i2c_send(0xb0, (uint8_t*)led, 3 * RGBLED_NUM);
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i2c_transmit(0xb0, (uint8_t*)led, 3 * RGBLED_NUM, 100);
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}
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#endif
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@ -1,106 +0,0 @@
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/*
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Copyright 2016 Luiz Ribeiro <luizribeiro@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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// Please do not modify this file
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#include <avr/io.h>
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#include <util/twi.h>
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#include "i2c.h"
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void i2c_set_bitrate(uint16_t bitrate_khz) {
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uint8_t bitrate_div = ((F_CPU / 1000l) / bitrate_khz);
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if (bitrate_div >= 16) {
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bitrate_div = (bitrate_div - 16) / 2;
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}
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TWBR = bitrate_div;
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}
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void i2c_init(void) {
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// set pull-up resistors on I2C bus pins
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PORTC |= 0b11;
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i2c_set_bitrate(400);
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// enable TWI (two-wire interface)
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TWCR |= (1 << TWEN);
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// enable TWI interrupt and slave address ACK
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TWCR |= (1 << TWIE);
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TWCR |= (1 << TWEA);
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}
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uint8_t i2c_start(uint8_t address) {
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// reset TWI control register
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TWCR = 0;
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// begin transmission and wait for it to end
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TWCR = (1<<TWINT) | (1<<TWSTA) | (1<<TWEN);
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while (!(TWCR & (1<<TWINT)));
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// check if the start condition was successfully transmitted
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if ((TWSR & 0xF8) != TW_START) {
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return 1;
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}
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// transmit address and wait
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TWDR = address;
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TWCR = (1<<TWINT) | (1<<TWEN);
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while (!(TWCR & (1<<TWINT)));
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// check if the device has acknowledged the READ / WRITE mode
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uint8_t twst = TW_STATUS & 0xF8;
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if ((twst != TW_MT_SLA_ACK) && (twst != TW_MR_SLA_ACK)) {
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return 1;
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}
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return 0;
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}
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void i2c_stop(void) {
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TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
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}
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uint8_t i2c_write(uint8_t data) {
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TWDR = data;
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// transmit data and wait
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TWCR = (1<<TWINT) | (1<<TWEN);
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while (!(TWCR & (1<<TWINT)));
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if ((TWSR & 0xF8) != TW_MT_DATA_ACK) {
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return 1;
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}
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return 0;
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}
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uint8_t i2c_send(uint8_t address, uint8_t *data, uint16_t length) {
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if (i2c_start(address)) {
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return 1;
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}
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for (uint16_t i = 0; i < length; i++) {
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if (i2c_write(data[i])) {
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return 1;
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}
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}
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i2c_stop();
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return 0;
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}
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@ -1,27 +0,0 @@
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/*
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Copyright 2016 Luiz Ribeiro <luizribeiro@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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// Please do not modify this file
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#ifndef __I2C_H__
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#define __I2C_H__
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void i2c_init(void);
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void i2c_set_bitrate(uint16_t bitrate_khz);
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uint8_t i2c_send(uint8_t address, uint8_t *data, uint16_t length);
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#endif
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@ -16,7 +16,7 @@ Flashing
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ps2avr(GB) boards use an atmega32a microcontroller and a different bootloader. It is not flashable using the regular QMK methods.
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**Reset Key:** To put the HB85 into reset, hold F3 (`K00`) while plugging in.
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**Reset Key:** Hold down the key located at `K00`, commonly programmed as F3 while plugging in the keyboard.
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Windows:
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1. Download [HIDBootFlash](http://vusb.wikidot.com/project:hidbootflash).
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@ -36,9 +36,9 @@ macOS:
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```
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3. Install the following packages:
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```
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brew install python
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brew install python3
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pip3 install pyusb
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brew install --HEAD`https://raw.githubusercontent.com/robertgzr/homebrew-tap/master/bootloadhid.rb
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brew install --HEAD https://raw.githubusercontent.com/robertgzr/homebrew-tap/master/bootloadhid.rb
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4. Place your keyboard into reset.
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5. Flash the board by typing `bootloadHID -r` followed by the path to your `.hex` file.
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@ -31,7 +31,7 @@ F_CPU = 12000000
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BOOTLOADER = bootloadHID
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# build options
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BOOTMAGIC_ENABLE = lite
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BOOTMAGIC_ENABLE = no
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MOUSEKEY_ENABLE = no
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EXTRAKEY_ENABLE = yes
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CONSOLE_ENABLE = yes
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@ -42,7 +42,7 @@ RGBLIGHT_CUSTOM_DRIVER = yes
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OPT_DEFS = -DDEBUG_LEVEL=0
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SRC += i2c.c
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SRC += i2c_master.c
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# programming options
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PROGRAM_CMD = ./util/atmega32a_program.py $(TARGET).hex
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@ -8,8 +8,7 @@
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* This Revision: $Id: usbconfig-prototype.h 785 2010-05-30 17:57:07Z cs $
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*/
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#ifndef __usbconfig_h_included__
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#define __usbconfig_h_included__
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#pragma once
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#include "config.h"
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@ -392,5 +391,3 @@ section at the end of this file).
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/* #define USB_INTR_PENDING EIFR */
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#define USB_INTR_PENDING_BIT INTF1
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#define USB_INTR_VECTOR INT1_vect
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#endif /* __usbconfig_h_included__ */
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