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Diffstat (limited to 'board/cr50/board.c')
-rw-r--r--board/cr50/board.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/board/cr50/board.c b/board/cr50/board.c
index 92a6808c11..3b7e1613d9 100644
--- a/board/cr50/board.c
+++ b/board/cr50/board.c
@@ -5,10 +5,13 @@
#include "common.h"
#include "console.h"
+#include "ec_version.h"
#include "gpio.h"
#include "hooks.h"
#include "registers.h"
#include "task.h"
+#include "usb.h"
+#include "usb_hid.h"
#include "util.h"
/*
@@ -21,6 +24,26 @@
#include "gpio_list.h"
+static void send_hid_event(void)
+{
+ uint64_t rpt = 0;
+ uint8_t *key_ptr = (void *)&rpt + 2;
+ /* Convert SW_N/SW_S/SW_W/SW_E to A,B,C,D keys */
+ if (gpio_get_level(GPIO_SW_N))
+ *key_ptr++ = 0x04; /* A keycode */
+ if (gpio_get_level(GPIO_SW_S))
+ *key_ptr++ = 0x05; /* B keycode */
+ if (gpio_get_level(GPIO_SW_W))
+ *key_ptr++ = 0x06; /* C keycode */
+ if (gpio_get_level(GPIO_SW_E))
+ *key_ptr++ = 0x07; /* D keycode */
+ /* send the keyboard state over USB HID */
+ set_keyboard_report(rpt);
+ /* check release in the future */
+ hook_call_deferred(send_hid_event, 40);
+}
+DECLARE_DEFERRED(send_hid_event);
+
/* Interrupt handler for button pushes */
void button_event(enum gpio_signal signal)
{
@@ -32,6 +55,7 @@ void button_event(enum gpio_signal signal)
signal -= (GPIO_SW_N_ - GPIO_SW_N);
v = gpio_get_level(signal);
+ send_hid_event();
ccprintf("Button %d = %d\n", signal, v);
gpio_set_level(signal - GPIO_SW_N + GPIO_LED_4, v);
}
@@ -49,3 +73,12 @@ static void board_init(void)
gpio_enable_interrupt(GPIO_SW_E_);
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
+
+const void * const usb_strings[] = {
+ [USB_STR_DESC] = usb_string_desc,
+ [USB_STR_VENDOR] = USB_STRING_DESC("Google Inc."),
+ [USB_STR_PRODUCT] = USB_STRING_DESC("Cr50"),
+ [USB_STR_VERSION] = USB_STRING_DESC(CROS_EC_VERSION32),
+ [USB_STR_CONSOLE_NAME] = USB_STRING_DESC("Shell"),
+};
+BUILD_ASSERT(ARRAY_SIZE(usb_strings) == USB_STR_COUNT);