From 05795cb0034e885bec37f782cfc6bddcae262637 Mon Sep 17 00:00:00 2001
From: tmk <hasu@tmk-kbd.com>
Date: Wed, 26 Nov 2014 11:25:45 +0900
Subject: Compensate timer during prower down

---
 protocol/lufa/lufa.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'protocol')

diff --git a/protocol/lufa/lufa.c b/protocol/lufa/lufa.c
index 6802f3b631..ee15b7f455 100644
--- a/protocol/lufa/lufa.c
+++ b/protocol/lufa/lufa.c
@@ -587,7 +587,7 @@ int main(void)
     print("Keyboard start.\n");
     while (1) {
         while (USB_DeviceState == DEVICE_STATE_Suspended) {
-            suspend_power_down(WDTO_120MS);
+            suspend_power_down();
             if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) {
                     USB_Device_SendRemoteWakeup();
             }
-- 
cgit v1.2.3


From 20caf673d8ba7fb7675e2559bfebad6ddb9d6fd0 Mon Sep 17 00:00:00 2001
From: tmk <hasu@tmk-kbd.com>
Date: Sat, 29 Nov 2014 20:47:15 +0900
Subject: Fix lufa sendchar() infinite wait loop

- FrameNumber is not updated when adapter powered
- can be blocked in sendchar() when pluged into AC adapter
---
 protocol/lufa/lufa.c | 36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

(limited to 'protocol')

diff --git a/protocol/lufa/lufa.c b/protocol/lufa/lufa.c
index ee15b7f455..3d6b3ea00c 100644
--- a/protocol/lufa/lufa.c
+++ b/protocol/lufa/lufa.c
@@ -148,6 +148,7 @@ static void Console_Task(void)
 */
 void EVENT_USB_Device_Connect(void)
 {
+    print("[C]");
     /* For battery powered device */
     if (!USB_IsInitialized) {
         USB_Init();
@@ -157,6 +158,7 @@ void EVENT_USB_Device_Connect(void)
 
 void EVENT_USB_Device_Disconnect(void)
 {
+    print("[D]");
     /* For battery powered device */
 /* TODO: This doesn't work. After several plug in/outs can not be enumerated. 
     if (USB_IsInitialized) {
@@ -169,10 +171,12 @@ void EVENT_USB_Device_Disconnect(void)
 
 void EVENT_USB_Device_Reset(void)
 {
+    print("[R]");
 }
 
 void EVENT_USB_Device_Suspend()
 {
+    print("[S]");
 #ifdef SLEEP_LED_ENABLE
     sleep_led_enable();
 #endif
@@ -180,6 +184,7 @@ void EVENT_USB_Device_Suspend()
 
 void EVENT_USB_Device_WakeUp()
 {
+    print("[W]");
     suspend_wakeup_init();
 
 #ifdef SLEEP_LED_ENABLE
@@ -489,37 +494,28 @@ int8_t sendchar(uint8_t c)
     uint8_t ep = Endpoint_GetCurrentEndpoint();
     Endpoint_SelectEndpoint(CONSOLE_IN_EPNUM);
     if (!Endpoint_IsEnabled() || !Endpoint_IsConfigured()) {
-        Endpoint_SelectEndpoint(ep);
-        return -1;
+        goto ERROR_EXIT;
     }
 
     if (timeouted && !Endpoint_IsReadWriteAllowed()) {
-        Endpoint_SelectEndpoint(ep);
-        return - 1;
+        goto ERROR_EXIT;
     }
 
     timeouted = false;
 
     uint8_t timeout = SEND_TIMEOUT;
-    uint16_t prevFN = USB_Device_GetFrameNumber();
     while (!Endpoint_IsReadWriteAllowed()) {
-        switch (USB_DeviceState) {
-        case DEVICE_STATE_Unattached:
-        case DEVICE_STATE_Suspended:
-            return -1;
+        if (USB_DeviceState != DEVICE_STATE_Configured) {
+            goto ERROR_EXIT;
         }
         if (Endpoint_IsStalled()) {
-            Endpoint_SelectEndpoint(ep);
-            return -1;
+            goto ERROR_EXIT;
         }
-        if (prevFN != USB_Device_GetFrameNumber()) {
-            if (!(timeout--)) {
-                timeouted = true;
-                Endpoint_SelectEndpoint(ep);
-                return -1;
-            }
-            prevFN = USB_Device_GetFrameNumber();
+        if (!(timeout--)) {
+            timeouted = true;
+            goto ERROR_EXIT;
         }
+        _delay_ms(1);
     }
 
     Endpoint_Write_8(c);
@@ -530,6 +526,9 @@ int8_t sendchar(uint8_t c)
 
     Endpoint_SelectEndpoint(ep);
     return 0;
+ERROR_EXIT:
+    Endpoint_SelectEndpoint(ep);
+    return -1;
 }
 #else
 int8_t sendchar(uint8_t c)
@@ -587,6 +586,7 @@ int main(void)
     print("Keyboard start.\n");
     while (1) {
         while (USB_DeviceState == DEVICE_STATE_Suspended) {
+            print("[s]");
             suspend_power_down();
             if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) {
                     USB_Device_SendRemoteWakeup();
-- 
cgit v1.2.3


From ebe437325872045e0b99469f83cb9e877e98112c Mon Sep 17 00:00:00 2001
From: tmk <hasu@tmk-kbd.com>
Date: Wed, 3 Dec 2014 15:50:02 +0900
Subject: Fix power saving while USB suspended

- doesn't pwoer save while Bluetooth turns on
---
 protocol/lufa/lufa.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'protocol')

diff --git a/protocol/lufa/lufa.c b/protocol/lufa/lufa.c
index 3d6b3ea00c..cdfc7bc6ad 100644
--- a/protocol/lufa/lufa.c
+++ b/protocol/lufa/lufa.c
@@ -151,6 +151,7 @@ void EVENT_USB_Device_Connect(void)
     print("[C]");
     /* For battery powered device */
     if (!USB_IsInitialized) {
+        USB_Disable();
         USB_Init();
         USB_Device_EnableSOFEvents();
     }
@@ -160,6 +161,7 @@ void EVENT_USB_Device_Disconnect(void)
 {
     print("[D]");
     /* For battery powered device */
+    USB_IsInitialized = false;
 /* TODO: This doesn't work. After several plug in/outs can not be enumerated. 
     if (USB_IsInitialized) {
         USB_Disable();  // Disable all interrupts
@@ -177,6 +179,7 @@ void EVENT_USB_Device_Reset(void)
 void EVENT_USB_Device_Suspend()
 {
     print("[S]");
+    matrix_power_down();
 #ifdef SLEEP_LED_ENABLE
     sleep_led_enable();
 #endif
-- 
cgit v1.2.3