|
|
@@ -45,20 +45,30 @@
|
|
|
//--------------------------------------------------------------------+
|
|
|
// MACRO CONSTANT TYPEDEF
|
|
|
//--------------------------------------------------------------------+
|
|
|
-#define QUEUE_KEYBOARD_REPORT_DEPTH 5
|
|
|
+#define QUEUE_KEYBOARD_REPORT_DEPTH 4
|
|
|
|
|
|
//--------------------------------------------------------------------+
|
|
|
// INTERNAL OBJECT & FUNCTION DECLARATION
|
|
|
//--------------------------------------------------------------------+
|
|
|
-OSAL_TASK_DEF(keyboard_task_def, "keyboard app", keyboard_app_task, 128, KEYBOARD_APP_TASK_PRIO);
|
|
|
+typedef enum {
|
|
|
+ KEY_STATE_PRESSED = 1,
|
|
|
+ KEY_STATE_HOLDING,
|
|
|
+ KEY_STATE_RELEASED
|
|
|
+}key_state_t;
|
|
|
+
|
|
|
+typedef struct {
|
|
|
+ tusb_keyboard_report_t report;
|
|
|
+ key_state_t state[6];
|
|
|
+} kbd_data_t;
|
|
|
|
|
|
-OSAL_QUEUE_DEF(queue_kbd_report, QUEUE_KEYBOARD_REPORT_DEPTH, tusb_keyboard_report_t);
|
|
|
-static osal_queue_handle_t q_kbd_report_hdl;
|
|
|
+OSAL_TASK_DEF(keyboard_task_def, "keyboard app", keyboard_app_task, 128, KEYBOARD_APP_TASK_PRIO);
|
|
|
+OSAL_QUEUE_DEF(queue_kbd_def, QUEUE_KEYBOARD_REPORT_DEPTH, kbd_data_t);
|
|
|
|
|
|
+static osal_queue_handle_t queue_kbd_hdl;
|
|
|
static tusb_keyboard_report_t usb_keyboard_report TUSB_CFG_ATTR_USBRAM;
|
|
|
|
|
|
-// only convert a-z (case insensitive) + 0-9
|
|
|
static inline uint8_t keycode_to_ascii(uint8_t modifier, uint8_t keycode) ATTR_CONST ATTR_ALWAYS_INLINE;
|
|
|
+static inline void process_kbd_report_isr(tusb_keyboard_report_t const * report);
|
|
|
|
|
|
//--------------------------------------------------------------------+
|
|
|
// tinyusb callback (ISR context)
|
|
|
@@ -68,7 +78,7 @@ void tusbh_hid_keyboard_isr(uint8_t dev_addr, uint8_t instance_num, tusb_event_t
|
|
|
switch(event)
|
|
|
{
|
|
|
case TUSB_EVENT_INTERFACE_OPEN: // application set-up
|
|
|
- osal_queue_flush(q_kbd_report_hdl);
|
|
|
+ osal_queue_flush(queue_kbd_hdl);
|
|
|
tusbh_hid_keyboard_get_report(dev_addr, instance_num, (uint8_t*) &usb_keyboard_report); // first report
|
|
|
break;
|
|
|
|
|
|
@@ -77,7 +87,7 @@ void tusbh_hid_keyboard_isr(uint8_t dev_addr, uint8_t instance_num, tusb_event_t
|
|
|
break;
|
|
|
|
|
|
case TUSB_EVENT_XFER_COMPLETE:
|
|
|
- osal_queue_send(q_kbd_report_hdl, &usb_keyboard_report);
|
|
|
+ process_kbd_report_isr(&usb_keyboard_report);
|
|
|
tusbh_hid_keyboard_get_report(dev_addr, instance_num, (uint8_t*) &usb_keyboard_report);
|
|
|
break;
|
|
|
|
|
|
@@ -98,43 +108,75 @@ void keyboard_app_init(void)
|
|
|
memclr_(&usb_keyboard_report, sizeof(tusb_keyboard_report_t));
|
|
|
|
|
|
ASSERT( TUSB_ERROR_NONE == osal_task_create(&keyboard_task_def), (void) 0 );
|
|
|
- q_kbd_report_hdl = osal_queue_create(&queue_kbd_report);
|
|
|
- ASSERT_PTR( q_kbd_report_hdl, (void) 0 );
|
|
|
+ queue_kbd_hdl = osal_queue_create(&queue_kbd_def);
|
|
|
+ ASSERT_PTR( queue_kbd_hdl, (void) 0 );
|
|
|
}
|
|
|
|
|
|
//------------- main task -------------//
|
|
|
OSAL_TASK_FUNCTION( keyboard_app_task ) (void* p_task_para)
|
|
|
{
|
|
|
tusb_error_t error;
|
|
|
- static tusb_keyboard_report_t prev_kbd_report = { 0 }; // previous report to check key released
|
|
|
- tusb_keyboard_report_t kbd_report;
|
|
|
+ kbd_data_t kbd_data;
|
|
|
|
|
|
OSAL_TASK_LOOP_BEGIN
|
|
|
|
|
|
- osal_queue_receive(q_kbd_report_hdl, &kbd_report, OSAL_TIMEOUT_WAIT_FOREVER, &error);
|
|
|
+ osal_queue_receive(queue_kbd_hdl, &kbd_data, OSAL_TIMEOUT_WAIT_FOREVER, &error);
|
|
|
+
|
|
|
+ //------------- example code ignore control (non-printable) key affects -------------//
|
|
|
+ for(uint8_t i = 0; i < 6; i++)
|
|
|
+ {
|
|
|
+ if ( kbd_data.state[i] == KEY_STATE_PRESSED )
|
|
|
+ {
|
|
|
+ printf("%c", keycode_to_ascii(kbd_data.report.modifier, kbd_data.report.keycode[i]) );
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ OSAL_TASK_LOOP_END
|
|
|
+}
|
|
|
+
|
|
|
+//--------------------------------------------------------------------+
|
|
|
+// HELPER
|
|
|
+//--------------------------------------------------------------------+
|
|
|
+
|
|
|
+// look up new key in previous keys
|
|
|
+static inline bool is_key_in_report_isr(tusb_keyboard_report_t const *p_report, uint8_t keycode, uint8_t modifier)
|
|
|
+{
|
|
|
+ for(uint8_t i=0; i<6; i++)
|
|
|
+ {
|
|
|
+ if (p_report->keycode[i] == keycode)
|
|
|
+ {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return false;
|
|
|
+}
|
|
|
+
|
|
|
+static inline void process_kbd_report_isr(tusb_keyboard_report_t const *p_new_report)
|
|
|
+{
|
|
|
+ static tusb_keyboard_report_t prev_report = { 0 }; // previous report to check key released
|
|
|
+ kbd_data_t kbd_data = { 0 };
|
|
|
|
|
|
- //------------- example code ignore modifier key -------------//
|
|
|
for(uint8_t i=0; i<6; i++)
|
|
|
{
|
|
|
- if ( kbd_report.keycode[i] != prev_kbd_report.keycode[i] )
|
|
|
+ if ( p_new_report->keycode[i] )
|
|
|
{
|
|
|
- if ( 0 != kbd_report.keycode[i]) // key pressed
|
|
|
+ if ( is_key_in_report_isr(&prev_report, p_new_report->keycode[i], p_new_report->modifier) )
|
|
|
{
|
|
|
- printf("%c", keycode_to_ascii(kbd_report.modifier, kbd_report.keycode[i]) );
|
|
|
+ kbd_data.state[i] = KEY_STATE_HOLDING; // previously existed means holding
|
|
|
}else
|
|
|
{
|
|
|
- // key released
|
|
|
+ kbd_data.state[i] = KEY_STATE_PRESSED; // previously non-existed means released
|
|
|
}
|
|
|
}
|
|
|
- prev_kbd_report.keycode[i] = kbd_report.keycode[i];
|
|
|
+ // TODO example skips key released
|
|
|
}
|
|
|
|
|
|
- OSAL_TASK_LOOP_END
|
|
|
+ prev_report = *p_new_report;
|
|
|
+ kbd_data.report = *p_new_report;
|
|
|
+ osal_queue_send(queue_kbd_hdl, &kbd_data);
|
|
|
}
|
|
|
|
|
|
-//--------------------------------------------------------------------+
|
|
|
-// HELPER
|
|
|
-//--------------------------------------------------------------------+
|
|
|
static inline uint8_t keycode_to_ascii(uint8_t modifier, uint8_t keycode)
|
|
|
{
|
|
|
// TODO max of keycode_ascii_tbl
|