From bcfba27101cb649dd61ef470ed46ab93e28534e5 Mon Sep 17 00:00:00 2001
From: Don Armstrong <don@donarmstrong.com>
Date: Sun, 30 Apr 2017 20:47:40 -0700
Subject: add initial support for left leds on an ergodox ez

---
 keyboards/ergodox_ez/ergodox_ez.c | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'keyboards/ergodox_ez/ergodox_ez.c')

diff --git a/keyboards/ergodox_ez/ergodox_ez.c b/keyboards/ergodox_ez/ergodox_ez.c
index 3609f6f81..8337db666 100644
--- a/keyboards/ergodox_ez/ergodox_ez.c
+++ b/keyboards/ergodox_ez/ergodox_ez.c
@@ -61,11 +61,46 @@ void ergodox_blink_all_leds(void)
     _delay_ms(50);
     ergodox_right_led_3_on();
     _delay_ms(50);
+#ifdef LEFT_LEDS
+    ergodox_left_led_1_on();
+    _delay_ms(50);
+    if (!mcp23018_status) {
+      mcp23018_status = ergodox_left_leds_update();
+    }
+    ergodox_left_led_2_on();
+    _delay_ms(50);
+    if (!mcp23018_status) {
+      mcp23018_status = ergodox_left_leds_update();
+    }
+    ergodox_left_led_3_on();
+    _delay_ms(50);
+    if (!mcp23018_status) {
+      mcp23018_status = ergodox_left_leds_update();
+    }
+#endif
     ergodox_right_led_1_off();
     _delay_ms(50);
     ergodox_right_led_2_off();
     _delay_ms(50);
     ergodox_right_led_3_off();
+#ifdef LEFT_LEDS
+    _delay_ms(50);
+    ergodox_left_led_1_off();
+    if (!mcp23018_status) {
+      mcp23018_status = ergodox_left_leds_update();
+    }
+    _delay_ms(50);
+    ergodox_left_led_2_off();
+    if (!mcp23018_status) {
+      mcp23018_status = ergodox_left_leds_update();
+    }
+    _delay_ms(50);
+    ergodox_left_led_3_off();
+    if (!mcp23018_status) {
+      mcp23018_status = ergodox_left_leds_update();
+    }
+#endif
+    
     //ergodox_led_all_on();
     //_delay_ms(333);
     ergodox_led_all_off();
@@ -107,6 +142,10 @@ uint8_t init_mcp23018(void) {
 out:
     i2c_stop();
 
+#ifdef LEFT_LEDS
+    if (!mcp23018_status) mcp23018_status = ergodox_left_leds_update();
+#endif // LEFT_LEDS
+
     // SREG=sreg_prev;
 
     return mcp23018_status;
-- 
cgit v1.2.3-24-g4f1b


From 364aeeec53b56efae45594940f1b634e7f16d69c Mon Sep 17 00:00:00 2001
From: Don Armstrong <don@donarmstrong.com>
Date: Fri, 27 Oct 2017 13:34:03 -0700
Subject: implement ergodox_left_leds_update in ergodox_ez

Previously, this code was implemented in keymap.c, but I'm unaware of
someone with a different implementation of this particular hack. [If
someone has it, we can add another #ifdef in the future.]
---
 keyboards/ergodox_ez/ergodox_ez.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'keyboards/ergodox_ez/ergodox_ez.c')

diff --git a/keyboards/ergodox_ez/ergodox_ez.c b/keyboards/ergodox_ez/ergodox_ez.c
index 8337db666..8ada551ae 100644
--- a/keyboards/ergodox_ez/ergodox_ez.c
+++ b/keyboards/ergodox_ez/ergodox_ez.c
@@ -151,6 +151,40 @@ out:
     return mcp23018_status;
 }
 
+#ifdef LEFT_LEDS
+uint8_t ergodox_left_leds_update(void) {
+    if (mcp23018_status) { // if there was an error
+        return mcp23018_status;
+    }
+#define LEFT_LED_1_SHIFT        7       // in MCP23018 port B
+#define LEFT_LED_2_SHIFT        6       // in MCP23018 port B
+#define LEFT_LED_3_SHIFT        7       // in MCP23018 port A
+
+    // set logical value (doesn't matter on inputs)
+    // - unused  : hi-Z : 1
+    // - input   : hi-Z : 1
+    // - driving : hi-Z : 1
+    mcp23018_status = i2c_start(I2C_ADDR_WRITE);
+    if (mcp23018_status) goto out;
+    mcp23018_status = i2c_write(OLATA);
+    if (mcp23018_status) goto out;
+    mcp23018_status = i2c_write(0b11111111
+                                & ~(ergodox_left_led_3<<LEFT_LED_3_SHIFT)
+                                );
+    if (mcp23018_status) goto out;
+    mcp23018_status = i2c_write(0b11111111
+                                & ~(ergodox_left_led_2<<LEFT_LED_2_SHIFT)
+                                & ~(ergodox_left_led_1<<LEFT_LED_1_SHIFT)
+                                );
+    if (mcp23018_status) goto out;
+
+ out:
+    i2c_stop();
+    return mcp23018_status;
+}
+#endif
+
+
 #ifdef ONEHAND_ENABLE
 __attribute__ ((weak))
 // swap-hands action needs a matrix to define the swap
-- 
cgit v1.2.3-24-g4f1b