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-rw-r--r--common_features.mk1
-rw-r--r--quantum/usb_device_state.c51
-rw-r--r--quantum/usb_device_state.h39
-rw-r--r--tmk_core/protocol/chibios/chibios.c3
-rw-r--r--tmk_core/protocol/chibios/usb_main.c15
-rw-r--r--tmk_core/protocol/lufa/lufa.c13
6 files changed, 120 insertions, 2 deletions
diff --git a/common_features.mk b/common_features.mk
index 6193597174..a71bcace02 100644
--- a/common_features.mk
+++ b/common_features.mk
@@ -29,6 +29,7 @@ QUANTUM_SRC += \
$(QUANTUM_DIR)/keyboard.c \
$(QUANTUM_DIR)/keymap_common.c \
$(QUANTUM_DIR)/keycode_config.c \
+ $(QUANTUM_DIR)/usb_device_state.c \
$(QUANTUM_DIR)/logging/debug.c \
$(QUANTUM_DIR)/logging/sendchar.c \
diff --git a/quantum/usb_device_state.c b/quantum/usb_device_state.c
new file mode 100644
index 0000000000..5ccd309ec2
--- /dev/null
+++ b/quantum/usb_device_state.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2021 Andrei Purdea <andrei@purdea.ro>
+ *
+ * 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 "usb_device_state.h"
+
+enum usb_device_state usb_device_state = USB_DEVICE_STATE_NO_INIT;
+
+__attribute__((weak)) void notify_usb_device_state_change_kb(enum usb_device_state usb_device_state) { notify_usb_device_state_change_user(usb_device_state); }
+
+__attribute__((weak)) void notify_usb_device_state_change_user(enum usb_device_state usb_device_state) {}
+
+static void notify_usb_device_state_change(enum usb_device_state usb_device_state) { notify_usb_device_state_change_kb(usb_device_state); }
+
+void usb_device_state_set_configuration(bool isConfigured, uint8_t configurationNumber) {
+ usb_device_state = isConfigured ? USB_DEVICE_STATE_CONFIGURED : USB_DEVICE_STATE_INIT;
+ notify_usb_device_state_change(usb_device_state);
+}
+
+void usb_device_state_set_suspend(bool isConfigured, uint8_t configurationNumber) {
+ usb_device_state = USB_DEVICE_STATE_SUSPEND;
+ notify_usb_device_state_change(usb_device_state);
+}
+
+void usb_device_state_set_resume(bool isConfigured, uint8_t configurationNumber) {
+ usb_device_state = isConfigured ? USB_DEVICE_STATE_CONFIGURED : USB_DEVICE_STATE_INIT;
+ notify_usb_device_state_change(usb_device_state);
+}
+
+void usb_device_state_set_reset(void) {
+ usb_device_state = USB_DEVICE_STATE_INIT;
+ notify_usb_device_state_change(usb_device_state);
+}
+
+void usb_device_state_init(void) {
+ usb_device_state = USB_DEVICE_STATE_INIT;
+ notify_usb_device_state_change(usb_device_state);
+}
diff --git a/quantum/usb_device_state.h b/quantum/usb_device_state.h
new file mode 100644
index 0000000000..c229311d46
--- /dev/null
+++ b/quantum/usb_device_state.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2021 Andrei Purdea <andrei@purdea.ro>
+ *
+ * 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/>.
+ */
+
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+
+void usb_device_state_set_configuration(bool isConfigured, uint8_t configurationNumber);
+void usb_device_state_set_suspend(bool isConfigured, uint8_t configurationNumber);
+void usb_device_state_set_resume(bool isConfigured, uint8_t configurationNumber);
+void usb_device_state_set_reset(void);
+void usb_device_state_init(void);
+
+enum usb_device_state {
+ USB_DEVICE_STATE_NO_INIT = 0, // We're in this state before calling usb_device_state_init()
+ USB_DEVICE_STATE_INIT = 1, // Can consume up to 100mA
+ USB_DEVICE_STATE_CONFIGURED = 2, // Can consume up to what is specified in configuration descriptor, typically 500mA
+ USB_DEVICE_STATE_SUSPEND = 3 // Can consume only suspend current
+};
+
+extern enum usb_device_state usb_device_state;
+
+void notify_usb_device_state_change_kb(enum usb_device_state usb_device_state);
+void notify_usb_device_state_change_user(enum usb_device_state usb_device_state);
diff --git a/tmk_core/protocol/chibios/chibios.c b/tmk_core/protocol/chibios/chibios.c
index 78a2e3fcbb..e5d3a4c540 100644
--- a/tmk_core/protocol/chibios/chibios.c
+++ b/tmk_core/protocol/chibios/chibios.c
@@ -27,6 +27,7 @@
#include "keyboard.h"
#include "action.h"
#include "action_util.h"
+#include "usb_device_state.h"
#include "mousekey.h"
#include "led.h"
#include "sendchar.h"
@@ -139,6 +140,8 @@ void boardInit(void) {
}
void protocol_setup(void) {
+ usb_device_state_init();
+
// TESTING
// chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
diff --git a/tmk_core/protocol/chibios/usb_main.c b/tmk_core/protocol/chibios/usb_main.c
index cc282e6a9b..9b139b3992 100644
--- a/tmk_core/protocol/chibios/usb_main.c
+++ b/tmk_core/protocol/chibios/usb_main.c
@@ -39,6 +39,7 @@
# include "led.h"
#endif
#include "wait.h"
+#include "usb_device_state.h"
#include "usb_descriptor.h"
#include "usb_driver.h"
@@ -412,6 +413,7 @@ static inline bool usb_event_queue_dequeue(usbevent_t *event) {
}
static inline void usb_event_suspend_handler(void) {
+ usb_device_state_set_suspend(USB_DRIVER.configuration != 0, USB_DRIVER.configuration);
#ifdef SLEEP_LED_ENABLE
sleep_led_enable();
#endif /* SLEEP_LED_ENABLE */
@@ -419,6 +421,7 @@ static inline void usb_event_suspend_handler(void) {
static inline void usb_event_wakeup_handler(void) {
suspend_wakeup_init();
+ usb_device_state_set_resume(USB_DRIVER.configuration != 0, USB_DRIVER.configuration);
#ifdef SLEEP_LED_ENABLE
sleep_led_disable();
// NOTE: converters may not accept this
@@ -440,6 +443,15 @@ void usb_event_queue_task(void) {
last_suspend_state = false;
usb_event_wakeup_handler();
break;
+ case USB_EVENT_CONFIGURED:
+ usb_device_state_set_configuration(USB_DRIVER.configuration != 0, USB_DRIVER.configuration);
+ break;
+ case USB_EVENT_UNCONFIGURED:
+ usb_device_state_set_configuration(false, 0);
+ break;
+ case USB_EVENT_RESET:
+ usb_device_state_set_reset();
+ break;
default:
// Nothing to do, we don't handle it.
break;
@@ -482,13 +494,14 @@ static void usb_event_cb(USBDriver *usbp, usbevent_t event) {
if (last_suspend_state) {
usb_event_queue_enqueue(USB_EVENT_WAKEUP);
}
+ usb_event_queue_enqueue(USB_EVENT_CONFIGURED);
return;
case USB_EVENT_SUSPEND:
- usb_event_queue_enqueue(USB_EVENT_SUSPEND);
/* Falls into.*/
case USB_EVENT_UNCONFIGURED:
/* Falls into.*/
case USB_EVENT_RESET:
+ usb_event_queue_enqueue(event);
for (int i = 0; i < NUM_USB_DRIVERS; i++) {
chSysLockFromISR();
/* Disconnection event on suspend.*/
diff --git a/tmk_core/protocol/lufa/lufa.c b/tmk_core/protocol/lufa/lufa.c
index 4a30d22579..753762358d 100644
--- a/tmk_core/protocol/lufa/lufa.c
+++ b/tmk_core/protocol/lufa/lufa.c
@@ -52,6 +52,7 @@
#include "usb_descriptor.h"
#include "lufa.h"
#include "quantum.h"
+#include "usb_device_state.h"
#include <util/atomic.h>
#ifdef NKRO_ENABLE
@@ -414,7 +415,10 @@ void EVENT_USB_Device_Disconnect(void) {
*
* FIXME: Needs doc
*/
-void EVENT_USB_Device_Reset(void) { print("[R]"); }
+void EVENT_USB_Device_Reset(void) {
+ print("[R]");
+ usb_device_state_set_reset();
+}
/** \brief Event USB Device Connect
*
@@ -422,6 +426,8 @@ void EVENT_USB_Device_Reset(void) { print("[R]"); }
*/
void EVENT_USB_Device_Suspend() {
print("[S]");
+ usb_device_state_set_suspend(USB_Device_ConfigurationNumber != 0, USB_Device_ConfigurationNumber);
+
#ifdef SLEEP_LED_ENABLE
sleep_led_enable();
#endif
@@ -437,6 +443,8 @@ void EVENT_USB_Device_WakeUp() {
suspend_wakeup_init();
#endif
+ usb_device_state_set_resume(USB_DeviceState == DEVICE_STATE_Configured, USB_Device_ConfigurationNumber);
+
#ifdef SLEEP_LED_ENABLE
sleep_led_disable();
// NOTE: converters may not accept this
@@ -529,6 +537,8 @@ void EVENT_USB_Device_ConfigurationChanged(void) {
/* Setup digitizer endpoint */
ConfigSuccess &= Endpoint_ConfigureEndpoint((DIGITIZER_IN_EPNUM | ENDPOINT_DIR_IN), EP_TYPE_INTERRUPT, DIGITIZER_EPSIZE, 1);
#endif
+
+ usb_device_state_set_configuration(USB_DeviceState == DEVICE_STATE_Configured, USB_Device_ConfigurationNumber);
}
/* FIXME: Expose this table in the docs somehow
@@ -1059,6 +1069,7 @@ void protocol_setup(void) {
#endif
setup_mcu();
+ usb_device_state_init();
keyboard_setup();
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 16:17:01 +0000