summaryrefslogtreecommitdiff
path: root/pjrc/host.c
diff options
context:
space:
mode:
authortmk <nobody@nowhere>2011-02-13 00:15:51 +0900
committertmk <nobody@nowhere>2011-02-22 03:09:05 +0900
commit9a938eecbd2b70c970992583b5c16da717d8e254 (patch)
tree22ac37491f88aa60d917a18696c93f61a429d43c /pjrc/host.c
parent2b8cd88ab142068eed0a3f230a3de79deb567536 (diff)
host interface for pjrc
Diffstat (limited to 'pjrc/host.c')
-rw-r--r--pjrc/host.c135
1 files changed, 135 insertions, 0 deletions
diff --git a/pjrc/host.c b/pjrc/host.c
new file mode 100644
index 0000000000..7247288bd7
--- /dev/null
+++ b/pjrc/host.c
@@ -0,0 +1,135 @@
+#include <stdint.h>
+#include "usb_keycodes.h"
+#include "usb_keyboard.h"
+#include "usb_mouse.h"
+#include "debug.h"
+#include "host.h"
+
+
+#ifdef USB_NKRO_ENABLE
+bool keyboard_nkro = false;
+#endif
+
+static report_keyboard_t report0;
+static report_keyboard_t report1;
+report_keyboard_t *keyboard_report = &report0;
+report_keyboard_t *keyboard_report_prev = &report1;
+
+static inline void add_key_byte(uint8_t code);
+static inline void add_key_bit(uint8_t code);
+
+
+uint8_t host_keyboard_leds(void)
+{
+ return usb_keyboard_leds;
+}
+
+/* keyboard report operations */
+void host_add_key(uint8_t key)
+{
+#ifdef USB_NKRO_ENABLE
+ if (keyboard_nkro) {
+ add_key_bit(key);
+ return;
+ }
+#endif
+ add_key_byte(key);
+}
+
+void host_add_mod_bit(uint8_t mod)
+{
+ keyboard_report->mods |= mod;
+}
+
+void host_set_mods(uint8_t mods)
+{
+ keyboard_report->mods = mods;
+}
+
+void host_add_code(uint8_t code)
+{
+ if (IS_MOD(code)) {
+ host_add_mod_bit(MOD_BIT(code));
+ } else {
+ host_add_key(code);
+ }
+}
+
+void host_swap_keyboard_report(void)
+{
+ report_keyboard_t *tmp = keyboard_report_prev;
+ keyboard_report_prev = keyboard_report;
+ keyboard_report = tmp;
+}
+
+void host_clear_keyboard_report(void)
+{
+ keyboard_report->mods = 0;
+ for (int8_t i = 0; i < REPORT_KEYS; i++) {
+ keyboard_report->keys[i] = 0;
+ }
+}
+
+uint8_t host_has_anykey(void)
+{
+ uint8_t cnt = 0;
+ for (int i = 0; i < REPORT_KEYS; i++) {
+ if (keyboard_report->keys[i])
+ cnt++;
+ }
+ return cnt;
+}
+
+uint8_t *host_get_keys(void)
+{
+ return keyboard_report->keys;
+}
+
+uint8_t host_get_mods(void)
+{
+ return keyboard_report->mods;
+}
+
+
+void host_send_keyboard_report(void)
+{
+ usb_keyboard_send_report(keyboard_report);
+}
+
+void host_mouse_send(report_mouse_t *report)
+{
+ usb_mouse_send(report->x, report->y, report->v, report->h, report->buttons);
+}
+
+
+static inline void add_key_byte(uint8_t code)
+{
+ // TODO: fix ugly code
+ int8_t i = 0;
+ int8_t empty = -1;
+ for (; i < REPORT_KEYS; i++) {
+ if (keyboard_report_prev->keys[i] == code) {
+ keyboard_report->keys[i] = code;
+ break;
+ }
+ if (empty == -1 &&
+ keyboard_report_prev->keys[i] == 0 &&
+ keyboard_report->keys[i] == 0) {
+ empty = i;
+ }
+ }
+ if (i == REPORT_KEYS) {
+ if (empty != -1) {
+ keyboard_report->keys[empty] = code;
+ }
+ }
+}
+
+static inline void add_key_bit(uint8_t code)
+{
+ if ((code>>3) < REPORT_KEYS) {
+ keyboard_report->keys[code>>3] |= 1<<(code&7);
+ } else {
+ debug("add_key_bit: can't add: "); phex(code); debug("\n");
+ }
+}