aboutsummaryrefslogtreecommitdiffstats
path: root/tmk_core/protocol/iwrap/iwrap.c
diff options
context:
space:
mode:
Diffstat (limited to 'tmk_core/protocol/iwrap/iwrap.c')
-rw-r--r--tmk_core/protocol/iwrap/iwrap.c202
1 files changed, 76 insertions, 126 deletions
diff --git a/tmk_core/protocol/iwrap/iwrap.c b/tmk_core/protocol/iwrap/iwrap.c
index 71ccc493e..05e632da3 100644
--- a/tmk_core/protocol/iwrap/iwrap.c
+++ b/tmk_core/protocol/iwrap/iwrap.c
@@ -37,43 +37,39 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "iwrap.h"
#include "print.h"
-
/* iWRAP MUX mode utils. 3.10 HID raw mode(iWRAP_HID_Application_Note.pdf) */
-#define MUX_HEADER(LINK, LENGTH) do { \
- xmit(0xbf); /* SOF */ \
- xmit(LINK); /* Link */ \
- xmit(0x00); /* Flags */ \
- xmit(LENGTH); /* Length */ \
-} while (0)
-#define MUX_FOOTER(LINK) xmit(LINK^0xff)
-
+#define MUX_HEADER(LINK, LENGTH) \
+ do { \
+ xmit(0xbf); /* SOF */ \
+ xmit(LINK); /* Link */ \
+ xmit(0x00); /* Flags */ \
+ xmit(LENGTH); /* Length */ \
+ } while (0)
+#define MUX_FOOTER(LINK) xmit(LINK ^ 0xff)
static uint8_t connected = 0;
-//static uint8_t channel = 1;
+// static uint8_t channel = 1;
/* iWRAP buffer */
#define MUX_BUF_SIZE 64
-static char buf[MUX_BUF_SIZE];
+static char buf[MUX_BUF_SIZE];
static uint8_t snd_pos = 0;
#define MUX_RCV_BUF_SIZE 256
-static char rcv_buf[MUX_RCV_BUF_SIZE];
+static char rcv_buf[MUX_RCV_BUF_SIZE];
static uint8_t rcv_head = 0;
static uint8_t rcv_tail = 0;
-
/* receive buffer */
-static void rcv_enq(char c)
-{
+static void rcv_enq(char c) {
uint8_t next = (rcv_head + 1) % MUX_RCV_BUF_SIZE;
if (next != rcv_tail) {
rcv_buf[rcv_head] = c;
- rcv_head = next;
+ rcv_head = next;
}
}
-static char rcv_deq(void)
-{
+static char rcv_deq(void) {
char c = 0;
if (rcv_head != rcv_tail) {
c = rcv_buf[rcv_tail++];
@@ -91,38 +87,33 @@ static char rcv_peek(void)
}
*/
-static void rcv_clear(void)
-{
- rcv_tail = rcv_head = 0;
-}
+static void rcv_clear(void) { rcv_tail = rcv_head = 0; }
/* iWRAP response */
-ISR(PCINT1_vect, ISR_BLOCK) // recv() runs away in case of ISR_NOBLOCK
+ISR(PCINT1_vect, ISR_BLOCK) // recv() runs away in case of ISR_NOBLOCK
{
- if ((SUART_IN_PIN & (1<<SUART_IN_BIT)))
- return;
+ if ((SUART_IN_PIN & (1 << SUART_IN_BIT))) return;
static volatile uint8_t mux_state = 0xff;
- static volatile uint8_t mux_link = 0xff;
- uint8_t c = recv();
+ static volatile uint8_t mux_link = 0xff;
+ uint8_t c = recv();
switch (mux_state) {
- case 0xff: // SOF
- if (c == 0xbf)
- mux_state--;
+ case 0xff: // SOF
+ if (c == 0xbf) mux_state--;
break;
- case 0xfe: // Link
+ case 0xfe: // Link
mux_state--;
mux_link = c;
break;
- case 0xfd: // Flags
+ case 0xfd: // Flags
mux_state--;
break;
- case 0xfc: // Length
+ case 0xfc: // Length
mux_state = c;
break;
case 0x00:
mux_state = 0xff;
- mux_link = 0xff;
+ mux_link = 0xff;
break;
default:
if (mux_state--) {
@@ -132,12 +123,10 @@ ISR(PCINT1_vect, ISR_BLOCK) // recv() runs away in case of ISR_NOBLOCK
}
}
-
/*------------------------------------------------------------------*
* iWRAP communication
*------------------------------------------------------------------*/
-void iwrap_init(void)
-{
+void iwrap_init(void) {
// reset iWRAP if in already MUX mode after AVR software-reset
iwrap_send("RESET");
iwrap_mux_send("RESET");
@@ -147,43 +136,34 @@ void iwrap_init(void)
iwrap_check_connection();
}
-void iwrap_mux_send(const char *s)
-{
+void iwrap_mux_send(const char *s) {
rcv_clear();
MUX_HEADER(0xff, strlen((char *)s));
iwrap_send(s);
MUX_FOOTER(0xff);
}
-void iwrap_send(const char *s)
-{
- while (*s)
- xmit(*s++);
+void iwrap_send(const char *s) {
+ while (*s) xmit(*s++);
}
/* send buffer */
-void iwrap_buf_add(uint8_t c)
-{
+void iwrap_buf_add(uint8_t c) {
// need space for '\0'
- if (snd_pos < MUX_BUF_SIZE-1)
- buf[snd_pos++] = c;
+ if (snd_pos < MUX_BUF_SIZE - 1) buf[snd_pos++] = c;
}
-void iwrap_buf_del(void)
-{
- if (snd_pos)
- snd_pos--;
+void iwrap_buf_del(void) {
+ if (snd_pos) snd_pos--;
}
-void iwrap_buf_send(void)
-{
+void iwrap_buf_send(void) {
buf[snd_pos] = '\0';
- snd_pos = 0;
+ snd_pos = 0;
iwrap_mux_send(buf);
}
-void iwrap_call(void)
-{
+void iwrap_call(void) {
char *p;
iwrap_mux_send("SET BT PAIR");
@@ -193,7 +173,7 @@ void iwrap_call(void)
while (!strncmp(p, "SET BT PAIR", 11)) {
p += 7;
strncpy(p, "CALL", 4);
- strncpy(p+22, " 11 HID\n\0", 9);
+ strncpy(p + 22, " 11 HID\n\0", 9);
print_S(p);
iwrap_mux_send(p);
// TODO: skip to next line
@@ -224,20 +204,21 @@ void iwrap_call(void)
iwrap_check_connection();
}
-void iwrap_kill(void)
-{
+void iwrap_kill(void) {
char c;
iwrap_mux_send("LIST");
_delay_ms(500);
- while ((c = rcv_deq()) && c != '\n') ;
+ while ((c = rcv_deq()) && c != '\n')
+ ;
if (strncmp(rcv_buf + rcv_tail, "LIST ", 5)) {
print("no connection to kill.\n");
return;
}
// skip 10 'space' chars
for (uint8_t i = 10; i; i--)
- while ((c = rcv_deq()) && c != ' ') ;
+ while ((c = rcv_deq()) && c != ' ')
+ ;
char *p = rcv_buf + rcv_tail - 5;
strncpy(p, "KILL ", 5);
@@ -249,47 +230,34 @@ void iwrap_kill(void)
iwrap_check_connection();
}
-void iwrap_unpair(void)
-{
+void iwrap_unpair(void) {
iwrap_mux_send("SET BT PAIR");
_delay_ms(500);
char *p = rcv_buf + rcv_tail;
if (!strncmp(p, "SET BT PAIR", 11)) {
- strncpy(p+29, "\n\0", 2);
+ strncpy(p + 29, "\n\0", 2);
print_S(p);
iwrap_mux_send(p);
}
}
-void iwrap_sleep(void)
-{
- iwrap_mux_send("SLEEP");
-}
+void iwrap_sleep(void) { iwrap_mux_send("SLEEP"); }
-void iwrap_sniff(void)
-{
-}
+void iwrap_sniff(void) {}
-void iwrap_subrate(void)
-{
-}
+void iwrap_subrate(void) {}
-bool iwrap_failed(void)
-{
+bool iwrap_failed(void) {
if (strncmp(rcv_buf, "SYNTAX ERROR", 12))
return true;
else
return false;
}
-uint8_t iwrap_connected(void)
-{
- return connected;
-}
+uint8_t iwrap_connected(void) { return connected; }
-uint8_t iwrap_check_connection(void)
-{
+uint8_t iwrap_check_connection(void) {
iwrap_mux_send("LIST");
_delay_ms(100);
@@ -300,44 +268,31 @@ uint8_t iwrap_check_connection(void)
return connected;
}
-
/*------------------------------------------------------------------*
* Host driver
*------------------------------------------------------------------*/
static uint8_t keyboard_leds(void);
-static void send_keyboard(report_keyboard_t *report);
-static void send_mouse(report_mouse_t *report);
-static void send_system(uint16_t data);
-static void send_consumer(uint16_t data);
-
-static host_driver_t driver = {
- keyboard_leds,
- send_keyboard,
- send_mouse,
- send_system,
- send_consumer
-};
-
-host_driver_t *iwrap_driver(void)
-{
- return &driver;
-}
+static void send_keyboard(report_keyboard_t *report);
+static void send_mouse(report_mouse_t *report);
+static void send_system(uint16_t data);
+static void send_consumer(uint16_t data);
-static uint8_t keyboard_leds(void) {
- return 0;
-}
+static host_driver_t driver = {keyboard_leds, send_keyboard, send_mouse, send_system, send_consumer};
-static void send_keyboard(report_keyboard_t *report)
-{
+host_driver_t *iwrap_driver(void) { return &driver; }
+
+static uint8_t keyboard_leds(void) { return 0; }
+
+static void send_keyboard(report_keyboard_t *report) {
if (!iwrap_connected() && !iwrap_check_connection()) return;
MUX_HEADER(0x01, 0x0c);
// HID raw mode header
xmit(0x9f);
- xmit(0x0a); // Length
- xmit(0xa1); // DATA(Input)
- xmit(0x01); // Report ID
+ xmit(0x0a); // Length
+ xmit(0xa1); // DATA(Input)
+ xmit(0x01); // Report ID
xmit(report->mods);
- xmit(0x00); // reserved byte(always 0)
+ xmit(0x00); // reserved byte(always 0)
xmit(report->keys[0]);
xmit(report->keys[1]);
xmit(report->keys[2]);
@@ -347,16 +302,15 @@ static void send_keyboard(report_keyboard_t *report)
MUX_FOOTER(0x01);
}
-static void send_mouse(report_mouse_t *report)
-{
+static void send_mouse(report_mouse_t *report) {
#if defined(MOUSEKEY_ENABLE) || defined(PS2_MOUSE_ENABLE) || defined(POINTING_DEVICE_ENABLE)
if (!iwrap_connected() && !iwrap_check_connection()) return;
MUX_HEADER(0x01, 0x09);
// HID raw mode header
xmit(0x9f);
- xmit(0x07); // Length
- xmit(0xa1); // DATA(Input)
- xmit(0x02); // Report ID
+ xmit(0x07); // Length
+ xmit(0xa1); // DATA(Input)
+ xmit(0x02); // Report ID
xmit(report->buttons);
xmit(report->x);
xmit(report->y);
@@ -366,18 +320,14 @@ static void send_mouse(report_mouse_t *report)
#endif
}
-static void send_system(uint16_t data)
-{
- /* not supported */
-}
+static void send_system(uint16_t data) { /* not supported */ }
-static void send_consumer(uint16_t data)
-{
+static void send_consumer(uint16_t data) {
#ifdef EXTRAKEY_ENABLE
static uint16_t last_data = 0;
- uint8_t bits1 = 0;
- uint8_t bits2 = 0;
- uint8_t bits3 = 0;
+ uint8_t bits1 = 0;
+ uint8_t bits2 = 0;
+ uint8_t bits3 = 0;
if (!iwrap_connected() && !iwrap_check_connection()) return;
if (data == last_data) return;
@@ -458,9 +408,9 @@ static void send_consumer(uint16_t data)
MUX_HEADER(0x01, 0x07);
xmit(0x9f);
- xmit(0x05); // Length
- xmit(0xa1); // DATA(Input)
- xmit(0x03); // Report ID
+ xmit(0x05); // Length
+ xmit(0xa1); // DATA(Input)
+ xmit(0x03); // Report ID
xmit(bits1);
xmit(bits2);
xmit(bits3);
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-12-25 17:59:27 +0000