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authorQMK Bot <hello@qmk.fm>2021-11-05 02:55:16 +0000
committerQMK Bot <hello@qmk.fm>2021-11-05 02:55:16 +0000
commit66e9925e8b6d844cce20ecd1568ce20016316f8a (patch)
tree3d709ef097f43ea8ba3a55e435aa0638c9ff18a6 /keyboards/matrix/abelx/aw9523b.c
parent7e814c09fb5f52764b6d83d09051784189296abf (diff)
parent3f62b46939dbd2dd04d5d8c7b7ad53323f832332 (diff)
Merge remote-tracking branch 'origin/master' into develop
Diffstat (limited to 'keyboards/matrix/abelx/aw9523b.c')
-rw-r--r--keyboards/matrix/abelx/aw9523b.c100
1 files changed, 100 insertions, 0 deletions
diff --git a/keyboards/matrix/abelx/aw9523b.c b/keyboards/matrix/abelx/aw9523b.c
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+++ b/keyboards/matrix/abelx/aw9523b.c
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+/**
+ * @file aw9523b.c
+ * @brief driver implementation of aw9523b
+ *
+ * Copyright 2020 astro <yuleiz@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 <stdbool.h>
+#include "aw9523b.h"
+#include "wait.h"
+#include "i2c_master.h"
+
+#define AW9523B_P0_INPUT 0x00
+#define AW9523B_P1_INPUT 0x01
+#define AW9523B_P0_OUTPUT 0x02
+#define AW9523B_P1_OUTPUT 0x03
+#define AW9523B_P0_CONF 0x04
+#define AW9523B_P1_CONF 0x05
+#define AW9523B_P0_INT 0x06
+#define AW9523B_P1_INT 0x07
+
+#define AW9523B_ID 0x10
+#define AW9523B_CTL 0x11
+#define AW9523B_P0_LED 0x12
+#define AW9523B_P1_LED 0x13
+
+
+#define AW9523B_RESET 0x7F
+
+#define TIMEOUT 100
+
+#define PWM2BUF(x) ((x) - AW9523B_PWM_BASE)
+static uint8_t aw9523b_pwm_buf[AW9523B_PWM_SIZE];
+static bool aw9523b_pwm_dirty = false;
+
+void aw9523b_init(uint8_t addr)
+{
+ i2c_init();
+ // reset chip
+ uint8_t data = 0;
+ i2c_writeReg(addr, AW9523B_RESET, &data, 1, TIMEOUT);
+ wait_ms(1);
+ // set max led current
+ data = 0x03; // 37mA/4
+ i2c_writeReg(addr, AW9523B_CTL, &data, 1, TIMEOUT);
+ // set port to led mode
+ data = 0;
+ i2c_writeReg(addr, AW9523B_P0_LED, &data, 1, TIMEOUT);
+ i2c_writeReg(addr, AW9523B_P1_LED, &data, 1, TIMEOUT);
+ // clear pwm buff
+ for (uint8_t i = 0; i < 16; i++) {
+ aw9523b_pwm_buf[i] = 0;
+ }
+ aw9523b_pwm_dirty = false;
+}
+
+void aw9523b_set_color(int index, uint8_t red, uint8_t green, uint8_t blue)
+{
+ if (index >= AW9523B_RGB_NUM) return;
+
+ aw9523b_led led = g_aw9523b_leds[index];
+ aw9523b_pwm_buf[PWM2BUF(led.r)] = red;
+ aw9523b_pwm_buf[PWM2BUF(led.g)] = green;
+ aw9523b_pwm_buf[PWM2BUF(led.b)] = blue;
+ aw9523b_pwm_dirty = true;
+}
+
+void aw9523b_set_color_all(uint8_t red, uint8_t green, uint8_t blue)
+{
+ for (uint8_t i = 0; i < AW9523B_RGB_NUM; i++) {
+ aw9523b_set_color(i, red, green, blue);
+ }
+ aw9523b_pwm_dirty = true;
+}
+
+void aw9523b_update_pwm_buffers(uint8_t addr)
+{
+ if (aw9523b_pwm_dirty) {
+ for (uint8_t i = 0; i < AW9523B_RGB_NUM; i++){
+ aw9523b_led led = g_aw9523b_leds[i];
+ i2c_writeReg(addr, led.r, &aw9523b_pwm_buf[PWM2BUF(led.r)], 1, TIMEOUT);
+ i2c_writeReg(addr, led.g, &aw9523b_pwm_buf[PWM2BUF(led.g)], 1, TIMEOUT);
+ i2c_writeReg(addr, led.b, &aw9523b_pwm_buf[PWM2BUF(led.b)], 1, TIMEOUT);
+ }
+ aw9523b_pwm_dirty = false;
+ }
+}