update to driver separation

common_features.mk

@@ -93,10 +93,13 @@ endif
 
 ifeq ($(strip $(RGBLIGHT_ENABLE)), yes)
     OPT_DEFS += -DRGBLIGHT_ENABLE
-    SRC += ws2812.c
-    SRC += $(QUANTUM_DIR)/rgblight.c
     CIE1931_CURVE = yes
     LED_BREATHING_TABLE = yes
+    ifeq ($(strip $(RGBLIGHT_CUSTOM_DRIVER)), yes)
+        OPT_DEFS += -DRGBLIGHT_CUSTOM_DRIVER
+    else
+        SRC += ws2812.c
+    endif
 endif
 
 ifeq ($(strip $(TAP_DANCE_ENABLE)), yes)

drivers/avr/ws2812.h

@@ -28,23 +28,7 @@
 //#include "ws2812_config.h"
 //#include "i2cmaster.h"
 
-#ifdef RGBW
+#include "rgblight_types.h"
-  #define LED_TYPE struct cRGBW
-#else
-  #define LED_TYPE struct cRGB
-#endif
-
-
-/*
- *  Structure of the LED array
- *
- * cRGB:     RGB  for WS2812S/B/C/D, SK6812, SK6812Mini, SK6812WWA, APA104, APA106
- * cRGBW:    RGBW for SK6812RGBW
- */
-
-struct cRGB  { uint8_t g; uint8_t r; uint8_t b; };
-struct cRGBW { uint8_t g; uint8_t r; uint8_t b; uint8_t w;};
-
 
 
 /* User Interface

keyboards/ps2avrGB/config.h

@@ -29,6 +29,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MATRIX_ROWS 8
 #define MATRIX_COLS 15
 
+#define RGBLED_NUM 16
+#define RGBLIGHT_ANIMATIONS
+
 #define NO_UART 1
 #define BOOTLOADHID_BOOTLOADER 1
 

keyboards/ps2avrGB/i2c.c

@@ -0,0 +1,104 @@
+/*
+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/>.
+*/
+
+#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;
+}

keyboards/ps2avrGB/i2c.h

@@ -0,0 +1,25 @@
+/*
+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/>.
+*/
+
+#ifndef __I2C_H__
+#define __I2C_H__
+
+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);
+
+#endif

keyboards/ps2avrGB/keymaps/default/keymap.c

@@ -16,17 +16,28 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "ps2avrGB.h"
+#include "action_layer.h"
+#include "rgblight.h"
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
-    KC_KEYMAP(
+    [0] = KEYMAP(
-        ESC, F1,  F2,  F3,  F4,  F5,  F6,  F7,  F8,  F9,  F10, F11, F12, PSCR,HOME,END,
+        KC_ESC, KC_F1,  KC_F2,  KC_F3,  KC_F4,  KC_F5,  KC_F6,  KC_F7,  KC_F8,  KC_F9,  KC_F10, KC_F11, KC_F12, KC_PSCR,KC_HOME,KC_END,
-        GRV, 1,   2,   3,   4,   5,   6,   7,   8,   9,   0,   MINS,EQL, BSPC,     DEL,
+        KC_GRV, KC_1,   KC_2,   KC_3,   KC_4,   KC_5,   KC_6,   KC_7,   KC_8,   KC_9,   KC_0,   KC_MINS,KC_EQL, KC_BSPC,        KC_DEL,
-        TAB, Q,   W,   E,   R,   T,   Y,   U,   I,   O,   P,   LBRC,RBRC,BSLS,     INS,
+        KC_TAB, KC_Q,   KC_W,   KC_E,   KC_R,   KC_T,   KC_Y,   KC_U,   KC_I,   KC_O,   KC_P,   KC_LBRC,KC_RBRC,KC_BSLS,        KC_INS,
-        CAPS,A,   S,   D,   F,   G,   H,   J,   K,   L,   SCLN,QUOT,ENT,           PGUP,
+        KC_FN0, KC_A,   KC_S,   KC_D,   KC_F,   KC_G,   KC_H,   KC_J,   KC_K,   KC_L,   KC_SCLN,KC_QUOT,KC_ENT,                 KC_PGUP,
-        LSFT,Z,   X,   C,   V,   B,   N,   M,   COMM,DOT, SLSH,RSFT,          UP,  PGDN,
+        KC_LSFT,KC_Z,   KC_X,   KC_C,   KC_V,   KC_B,   KC_N,   KC_M,   KC_COMM,KC_DOT, KC_SLSH,KC_RSFT,                KC_UP,  KC_PGDN,
-        LCTL,LALT,LGUI,          SPC,                     RGUI,RALT,RCTL,LEFT,DOWN,RGHT
+        KC_LCTL,KC_LALT,KC_LGUI,                KC_SPC,                                 KC_RGUI,KC_RALT,KC_RCTL,KC_LEFT,KC_DOWN,KC_RGHT
-    )
+    ),
+    [1] = KEYMAP(
+        KC_TRNS,RGB_TOG,RGB_MOD,RGB_HUI,RGB_SAI,RGB_VAI,RGB_HUD,RGB_SAD,RGB_VAD,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_END,
+        KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,        KC_DEL,
+        KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,        KC_INS,
+        KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,                KC_TRNS,
+        KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,                KC_TRNS,KC_TRNS,
+        KC_TRNS,KC_TRNS,KC_TRNS,                KC_TRNS,                                KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_RGHT
+    ),
 };
 
 const uint16_t PROGMEM fn_actions[] = {
+  [0]  = ACTION_LAYER_MOMENTARY(1),
 };

keyboards/ps2avrGB/matrix.c

@@ -93,6 +93,8 @@ uint8_t matrix_scan(void) {
         }
     }
 
+    matrix_scan_user();
+
     return 1;
 }
 

keyboards/ps2avrGB/ps2avrGB.c

@@ -0,0 +1,45 @@
+/*
+Copyright 2017 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/>.
+*/
+
+#include "ps2avrGB.h"
+#include "rgblight.h"
+
+#include <avr/pgmspace.h>
+
+#include "action_layer.h"
+#include "i2c.h"
+#include "quantum.h"
+
+extern rgblight_config_t rgblight_config;
+
+void rgblight_set(void) {
+    if (!rgblight_config.enable) {
+        for (uint8_t i = 0; i < RGBLED_NUM; i++) {
+            led[i].r = 0;
+            led[i].g = 0;
+            led[i].b = 0;
+        }
+    }
+
+    i2c_init();
+    i2c_send(0xb0, (uint8_t*)led, 3 * RGBLED_NUM);
+}
+
+__attribute__ ((weak))
+void matrix_scan_user(void) {
+    rgblight_task();
+}

keyboards/ps2avrGB/ps2avrGB.h

@@ -18,6 +18,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #ifndef KEYMAP_COMMON_H
 #define KEYMAP_COMMON_H
 
+#include "quantum_keycodes.h"
 #include "keycode.h"
 #include "action.h"
 

keyboards/ps2avrGB/rules.mk

@@ -20,7 +20,6 @@ PROTOCOL = VUSB
 # unsupported features for now
 NO_UART = yes
 NO_SUSPEND_POWER_DOWN = yes
-BACKLIGHT_ENABLE = no
 
 # processor frequency
 F_CPU = 12000000
@@ -31,13 +30,16 @@ MOUSEKEY_ENABLE = yes
 EXTRAKEY_ENABLE = yes
 CONSOLE_ENABLE = yes
 COMMAND_ENABLE = yes
+BACKLIGHT_ENABLE = no
+RGBLIGHT_ENABLE = yes
+RGBLIGHT_CUSTOM_DRIVER = yes
 
 OPT_DEFS = -DDEBUG_LEVEL=0
 OPT_DEFS += -DBOOTLOADER_SIZE=2048
 
 # custom matrix setup
 CUSTOM_MATRIX = yes
-SRC = matrix.c
+SRC = matrix.c i2c.c
 
 # programming options
 PROGRAM_CMD = ./keyboards/ps2avrGB/program $(TARGET).hex

quantum/rgblight.c

@@ -373,7 +373,7 @@ void rgblight_setrgb(uint8_t r, uint8_t g, uint8_t b) {
   rgblight_set();
 }
 
-__attribute__ ((weak))
+#ifndef RGBLIGHT_CUSTOM_DRIVER
 void rgblight_set(void) {
   if (rgblight_config.enable) {
     #ifdef RGBW
@@ -394,6 +394,7 @@ void rgblight_set(void) {
     #endif
   }
 }
+#endif
 
 #ifdef RGBLIGHT_ANIMATIONS
 

quantum/rgblight.h

@@ -62,7 +62,10 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include "eeconfig.h"
+#ifndef RGBLIGHT_CUSTOM_DRIVER
 #include "ws2812.h"
+#endif
+#include "rgblight_types.h"
 
 extern LED_TYPE led[RGBLED_NUM];
 

quantum/rgblight_types.h

@@ -0,0 +1,45 @@
+/*
+ * light weight WS2812 lib include
+ *
+ * Version 2.3  - Nev 29th 2015
+ * Author: Tim (cpldcpu@gmail.com)
+ *
+ * Please do not change this file! All configuration is handled in "ws2812_config.h"
+ *
+ * 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/>.
+ */
+
+#ifndef RGBLIGHT_TYPES
+#define RGBLIGHT_TYPES
+
+#include <avr/io.h>
+
+#ifdef RGBW
+  #define LED_TYPE struct cRGBW
+#else
+  #define LED_TYPE struct cRGB
+#endif
+
+
+/*
+ *  Structure of the LED array
+ *
+ * cRGB:     RGB  for WS2812S/B/C/D, SK6812, SK6812Mini, SK6812WWA, APA104, APA106
+ * cRGBW:    RGBW for SK6812RGBW
+ */
+
+struct cRGB  { uint8_t g; uint8_t r; uint8_t b; };
+struct cRGBW { uint8_t g; uint8_t r; uint8_t b; uint8_t w;};
+
+#endif