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host interface for pjrc

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This commit is contained in:
tmk 2011-02-13 00:15:51 +09:00
parent 2b8cd88ab1
commit 9a938eecbd
24 changed files with 473 additions and 330 deletions
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135
pjrc/host.c Normal file
View file

@ -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");
}
}

8
pjrc/usb.c
View file

@ -687,10 +687,10 @@ ISR(USB_GEN_vect)
usb_keyboard_idle_count++;
if (usb_keyboard_idle_count == usb_keyboard_idle_config) {
usb_keyboard_idle_count = 0;
UEDATX = usb_keyboard_mods;
UEDATX = keyboard_report->mods;
UEDATX = 0;
for (i=0; i<6; i++) {
UEDATX = usb_keyboard_keys[i];
UEDATX = keyboard_report->keys[i];
}
UEINTX = 0x3A;
}
@ -873,10 +873,10 @@ ISR(USB_COM_vect)
if (bmRequestType == 0xA1) {
if (bRequest == HID_GET_REPORT) {
usb_wait_in_ready();
UEDATX = usb_keyboard_mods;
UEDATX = keyboard_report->mods;
UEDATX = 0;
for (i=0; i<6; i++) {
UEDATX = usb_keyboard_keys[i];
UEDATX = keyboard_report->keys[i];
}
usb_send_in();
return;

21
pjrc/usb.h
View file

@ -14,8 +14,6 @@ uint8_t usb_configured(void); // is the USB port configured
void usb_remote_wakeup(void);
#define EP_TYPE_CONTROL 0x00
#define EP_TYPE_BULK_IN 0x81
#define EP_TYPE_BULK_OUT 0x80
@ -88,4 +86,23 @@ void usb_remote_wakeup(void);
#define ENDPOINT_HALT 0
#define TEST_MODE 2
/*------------------------------------------------------------------*
* Keyboard descriptor setting
*------------------------------------------------------------------*/
#define KBD_INTERFACE 0
#define KBD_ENDPOINT 1
#define KBD_SIZE 8
#define KBD_BUFFER EP_DOUBLE_BUFFER
#define KBD_REPORT_KEYS (KBD_SIZE - 2)
// secondary keyboard
#ifdef USB_NKRO_ENABLE
#define KBD2_INTERFACE 4
#define KBD2_ENDPOINT 5
#define KBD2_SIZE 16
#define KBD2_BUFFER EP_DOUBLE_BUFFER
#define KBD2_REPORT_KEYS (KBD2_SIZE - 1)
#endif
#endif

185
pjrc/usb_keyboard.c
View file

@ -5,14 +5,9 @@
#include "print.h"
#include "debug.h"
#include "util.h"
#include "host.h"
// keyboard report.
static usb_keyboard_report_t _report0 = { {0}, 0, false };
static usb_keyboard_report_t _report1 = { {0}, 0, false };
usb_keyboard_report_t *usb_keyboard_report = &_report0;
usb_keyboard_report_t *usb_keyboard_report_prev = &_report1;
// protocol setting from the host. We use exactly the same report
// either way, so this variable only stores the setting since we
// are required to be able to report which setting is in use.
@ -28,167 +23,42 @@ uint8_t usb_keyboard_idle_count=0;
// 1=num lock, 2=caps lock, 4=scroll lock, 8=compose, 16=kana
volatile uint8_t usb_keyboard_leds=0;
// enable USB NKRO
bool usb_keyboard_nkro = false;
static inline int8_t send_report(report_keyboard_t *report, uint8_t endpoint, uint8_t keys_start, uint8_t keys_end);
int8_t usb_keyboard_send(void)
{
return usb_keyboard_send_report(usb_keyboard_report);
}
static inline int8_t _send_report(usb_keyboard_report_t *report, uint8_t endpoint, uint8_t keys_start, uint8_t keys_end);
int8_t usb_keyboard_send_report(usb_keyboard_report_t *report)
int8_t usb_keyboard_send_report(report_keyboard_t *report)
{
int8_t result = 0;
#ifdef USB_NKRO_ENABLE
if (usb_keyboard_nkro)
result = _send_report(report, KBD2_ENDPOINT, 0, KBD2_REPORT_KEYS);
if (keyboard_nkro)
result = send_report(report, KBD2_ENDPOINT, 0, KBD2_REPORT_KEYS);
else
#endif
{
if (usb_keyboard_protocol)
result = _send_report(report, KBD_ENDPOINT, 0, KBD_REPORT_KEYS);
result = send_report(report, KBD_ENDPOINT, 0, KBD_REPORT_KEYS);
else
result = _send_report(report, KBD_ENDPOINT, 0, 6);
result = send_report(report, KBD_ENDPOINT, 0, 6);
}
if (result) return result;
usb_keyboard_idle_count = 0;
report->is_sent =true;
usb_keyboard_print_report(report);
return 0;
}
void usb_keyboard_swap_report(void) {
usb_keyboard_report_t *tmp = usb_keyboard_report_prev;
usb_keyboard_report_prev = usb_keyboard_report;
usb_keyboard_report = tmp;
}
void usb_keyboard_clear_report(void) {
usb_keyboard_clear_keys();
usb_keyboard_clear_mods();
usb_keyboard_report->is_sent = false;
}
void usb_keyboard_clear_keys(void) {
for (int i = 0; i < KEYS_MAX; i++) usb_keyboard_report->keys[i] = 0;
}
void usb_keyboard_clear_mods(void)
{
usb_keyboard_report->mods = 0;
}
void usb_keyboard_set_keys(uint8_t *keys)
{
for (int i = 0; i < KEYS_MAX; i++)
usb_keyboard_report->keys[i] = keys[i];
}
void usb_keyboard_set_mods(uint8_t mods)
{
usb_keyboard_report->mods = mods;
}
void usb_keyboard_add_code(uint8_t code)
{
if (IS_MOD(code)) {
usb_keyboard_add_mod(code);
} else {
usb_keyboard_add_key(code);
}
}
static inline void _add_key_byte(uint8_t code);
static inline void _add_key_bit(uint8_t code);
void usb_keyboard_add_key(uint8_t code)
{
#ifdef USB_NKRO_ENABLE
if (usb_keyboard_nkro) {
_add_key_bit(code);
return;
}
#endif
_add_key_byte(code);
}
void usb_keyboard_add_mod(uint8_t code)
{
usb_keyboard_report->mods |= MOD_BIT(code);
}
void usb_keyboard_del_code(uint8_t code)
{
if (IS_MOD(code)) {
usb_keyboard_del_mod(code);
} else {
usb_keyboard_del_key(code);
}
}
void usb_keyboard_del_key(uint8_t code)
{
#ifdef USB_NKRO_ENABLE
if ((code>>3) < KEYS_MAX) {
usb_keyboard_keys[code>>3] &= ~(1<<(code&7));
}
#else
for (int i = 0; i < KEYS_MAX; i++) {
if (usb_keyboard_report->keys[i] == code) {
usb_keyboard_report->keys[i] = KB_NO;
return;
}
}
#endif
}
void usb_keyboard_del_mod(uint8_t code)
{
usb_keyboard_report->mods &= ~MOD_BIT(code);
}
bool usb_keyboard_is_sent(void)
{
return usb_keyboard_report->is_sent;
}
bool usb_keyboard_has_key(void)
{
uint8_t keys = 0;
for (int i = 0; i < KEYS_MAX; i++) keys |= usb_keyboard_report->keys[i];
return keys ? true : false;
}
bool usb_keyboard_has_mod(void)
{
return usb_keyboard_report->mods ? true : false;
}
uint8_t usb_keyboard_get_key(void)
{
#ifdef USB_NKRO_ENABLE
if (usb_keyboard_nkro) {
uint8_t i = 0;
for (; i < KEYS_MAX && !usb_keyboard_keys[i]; i++);
return i<<3 | biton(usb_keyboard_keys[i]);
}
#endif
return usb_keyboard_keys[0];
}
void usb_keyboard_print_report(usb_keyboard_report_t *report)
void usb_keyboard_print_report(report_keyboard_t *report)
{
if (!debug_keyboard) return;
print("keys: ");
for (int i = 0; i < KEYS_MAX; i++) { phex(report->keys[i]); print(" "); }
for (int i = 0; i < REPORT_KEYS; i++) { phex(report->keys[i]); print(" "); }
print(" mods: "); phex(report->mods); print("\n");
}
static inline int8_t _send_report(usb_keyboard_report_t *report, uint8_t endpoint, uint8_t keys_start, uint8_t keys_end)
static inline int8_t send_report(report_keyboard_t *report, uint8_t endpoint, uint8_t keys_start, uint8_t keys_end)
{
uint8_t intr_state, timeout;
@ -211,7 +81,7 @@ static inline int8_t _send_report(usb_keyboard_report_t *report, uint8_t endpoin
UENUM = endpoint;
}
UEDATX = report->mods;
if (!usb_keyboard_nkro)
if (!keyboard_nkro)
UEDATX = 0;
for (uint8_t i = keys_start; i < keys_end; i++) {
UEDATX = report->keys[i];
@ -220,34 +90,3 @@ static inline int8_t _send_report(usb_keyboard_report_t *report, uint8_t endpoin
SREG = intr_state;
return 0;
}
static inline void _add_key_byte(uint8_t code)
{
// TODO: fix ugly code
int8_t i = 0;
int8_t empty = -1;
for (; i < KEYS_MAX; i++) {
if (usb_keyboard_keys_prev[i] == code) {
usb_keyboard_keys[i] = code;
break;
}
if (empty == -1 &&
usb_keyboard_keys_prev[i] == 0 &&
usb_keyboard_keys[i] == 0) {
empty = i;
}
}
if (i == KEYS_MAX) {
if (empty != -1) {
usb_keyboard_keys[empty] = code;
}
}
}
static inline void _add_key_bit(uint8_t code)
{
if ((code>>3) < KEYS_MAX) {
usb_keyboard_keys[code>>3] |= 1<<(code&7);
}
}

68
pjrc/usb_keyboard.h
View file

@ -4,78 +4,16 @@
#include <stdint.h>
#include <stdbool.h>
#include "usb.h"
#include "host.h"
#define KBD_INTERFACE 0
#define KBD_ENDPOINT 1
#define KBD_SIZE 8
#define KBD_BUFFER EP_DOUBLE_BUFFER
#define KBD_REPORT_KEYS (KBD_SIZE - 2)
// secondary keyboard
#ifdef USB_NKRO_ENABLE
#define KBD2_INTERFACE 4
#define KBD2_ENDPOINT 5
#define KBD2_SIZE 16
#define KBD2_BUFFER EP_DOUBLE_BUFFER
#define KBD2_REPORT_KEYS (KBD2_SIZE - 1)
#endif
#if defined(KBD2_REPORT_KEYS) && KBD2_REPORT_KEYS > KBD_REPORT_KEYS
#define KEYS_MAX KBD2_REPORT_KEYS
#else
#define KEYS_MAX KBD_REPORT_KEYS
#endif
typedef struct report {
uint8_t keys[KEYS_MAX];
uint8_t mods;
bool is_sent;
} usb_keyboard_report_t;
#define usb_keyboard_keys usb_keyboard_report->keys
#define usb_keyboard_mods usb_keyboard_report->mods
#define usb_keyboard_keys_prev usb_keyboard_report_prev->keys
#define usb_keyboard_mods_prev usb_keyboard_report_prev->mods
extern usb_keyboard_report_t *usb_keyboard_report;
extern usb_keyboard_report_t *usb_keyboard_report_prev;
extern uint8_t usb_keyboard_protocol;
extern uint8_t usb_keyboard_idle_config;
extern uint8_t usb_keyboard_idle_count;
extern volatile uint8_t usb_keyboard_leds;
extern bool usb_keyboard_nkro;
int8_t usb_keyboard_send(void);
int8_t usb_keyboard_send_report(usb_keyboard_report_t *report);
void usb_keyboard_swap_report(void);
void usb_keyboard_clear_report(void);
void usb_keyboard_clear_keys(void);
void usb_keyboard_clear_mods(void);
void usb_keyboard_set_keys(uint8_t *keys);
void usb_keyboard_set_mods(uint8_t mods);
void usb_keyboard_add_code(uint8_t code);
void usb_keyboard_add_key(uint8_t code);
void usb_keyboard_add_mod(uint8_t code);
void usb_keyboard_del_code(uint8_t code);
void usb_keyboard_del_key(uint8_t code);
void usb_keyboard_del_mod(uint8_t code);
bool usb_keyboard_is_sent(void);
bool usb_keyboard_has_key(void);
bool usb_keyboard_has_mod(void);
uint8_t usb_keyboard_get_key(void);
void usb_keyboard_print_report(usb_keyboard_report_t *report);
int8_t usb_keyboard_send_report(report_keyboard_t *report);
void usb_keyboard_print_report(report_keyboard_t *report);
#endif