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more hid host work

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This commit is contained in:
hathach
2020-09-03 23:57:51 +07:00
parent 4ecedc70c8
commit 35aee4a6af
3 changed files with 65 additions and 22 deletions
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63
examples/host/cdc_msc_hid/src/main.c
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@@ -110,21 +110,74 @@ void cdc_task(void)
// USB HID
//--------------------------------------------------------------------+
#if CFG_TUH_HID_KEYBOARD
uint8_t const keycode2ascii[128][2] = { HID_KEYCODE_TO_ASCII };
// look up new key in previous keys
static inline bool find_key_in_report(hid_keyboard_report_t const *p_report, uint8_t keycode)
{
for(uint8_t i=0; i<6; i++)
{
if (p_report->keycode[i] == keycode) return true;
}
return false;
}
static inline void process_kbd_report(hid_keyboard_report_t const *p_new_report)
{
static hid_keyboard_report_t prev_report = { 0, 0, {0} }; // previous report to check key released
//------------- example code ignore control (non-printable) key affects -------------//
for(uint8_t i=0; i<6; i++)
{
if ( p_new_report->keycode[i] )
{
if ( find_key_in_report(&prev_report, p_new_report->keycode[i]) )
{
// exist in previous report means the current key is holding
}else
{
// not existed in previous report means the current key is pressed
bool const is_shift = p_new_report->modifier & (KEYBOARD_MODIFIER_LEFTSHIFT | KEYBOARD_MODIFIER_RIGHTSHIFT);
uint8_t ch = keycode2ascii[p_new_report->keycode[i]][is_shift ? 1 : 0];
putchar(ch);
if ( ch == '\r' ) putchar('\n'); // added new line for enter key
}
}
// TODO example skips key released
}
prev_report = *p_new_report;
}
CFG_TUSB_MEM_SECTION static hid_keyboard_report_t usb_keyboard_report;
void hid_task(void)
{
uint8_t const addr = 1;
if ( tuh_hid_keyboard_is_mounted(addr) )
{
if ( !tuh_hid_keyboard_is_busy(addr) )
{
process_kbd_report(&usb_keyboard_report);
tuh_hid_keyboard_get_report(addr, &usb_keyboard_report);
}
}
}
void tuh_hid_keyboard_mounted_cb(uint8_t dev_addr)
{
// application set-up
printf("\na Keyboard device (address %d) is mounted\n", dev_addr);
printf("A Keyboard device (address %d) is mounted\r\n", dev_addr);
tuh_hid_keyboard_get_report(dev_addr, &usb_keyboard_report);
}
void tuh_hid_keyboard_unmounted_cb(uint8_t dev_addr)
{
// application tear-down
printf("\na Keyboard device (address %d) is unmounted\n", dev_addr);
printf("A Keyboard device (address %d) is unmounted\r\n", dev_addr);
}
// invoked ISR context
@@ -139,13 +192,13 @@ void tuh_hid_keyboard_isr(uint8_t dev_addr, xfer_result_t event)
void tuh_hid_mouse_mounted_cb(uint8_t dev_addr)
{
// application set-up
printf("\na Mouse device (address %d) is mounted\n", dev_addr);
printf("A Mouse device (address %d) is mounted\r\n", dev_addr);
}
void tuh_hid_mouse_unmounted_cb(uint8_t dev_addr)
{
// application tear-down
printf("\na Mouse device (address %d) is unmounted\n", dev_addr);
printf("A Mouse device (address %d) is unmounted\r\n", dev_addr);
}
// invoked ISR context