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-rw-r--r--keyboard/hhkb/rn42/rn42_task.c478
1 files changed, 478 insertions, 0 deletions
diff --git a/keyboard/hhkb/rn42/rn42_task.c b/keyboard/hhkb/rn42/rn42_task.c
new file mode 100644
index 0000000000..5107fef483
--- /dev/null
+++ b/keyboard/hhkb/rn42/rn42_task.c
@@ -0,0 +1,478 @@
+#include <stdint.h>
+#include <string.h>
+#include <avr/pgmspace.h>
+#include <avr/eeprom.h>
+#include "keycode.h"
+#include "serial.h"
+#include "host.h"
+#include "action.h"
+#include "action_util.h"
+#include "lufa.h"
+#include "rn42_task.h"
+#include "print.h"
+#include "debug.h"
+#include "timer.h"
+#include "wait.h"
+#include "command.h"
+#include "battery.h"
+
+static bool config_mode = false;
+static bool force_usb = false;
+
+static void status_led(bool on)
+{
+ if (on) {
+ DDRE |= (1<<6);
+ PORTE &= ~(1<<6);
+ } else {
+ DDRE |= (1<<6);
+ PORTE |= (1<<6);
+ }
+}
+
+void rn42_task_init(void)
+{
+ battery_init();
+}
+
+void rn42_task(void)
+{
+ int16_t c;
+ // Raw mode: interpret output report of LED state
+ while ((c = rn42_getc()) != -1) {
+ // LED Out report: 0xFE, 0x02, 0x01, <leds>
+ // To get the report over UART set bit3 with SH, command.
+ static enum {LED_INIT, LED_FE, LED_02, LED_01} state = LED_INIT;
+ switch (state) {
+ case LED_INIT:
+ if (c == 0xFE) state = LED_FE;
+ else {
+ if (0x0 <= c && c <= 0x7f) xprintf("%c", c);
+ else xprintf(" %02X", c);
+ }
+ break;
+ case LED_FE:
+ if (c == 0x02) state = LED_02;
+ else state = LED_INIT;
+ break;
+ case LED_02:
+ if (c == 0x01) state = LED_01;
+ else state = LED_INIT;
+ break;
+ case LED_01:
+ dprintf("LED status: %02X\n", c);
+ rn42_set_leds(c);
+ state = LED_INIT;
+ break;
+ default:
+ state = LED_INIT;
+ }
+ }
+
+ /* Bluetooth mode when ready */
+ if (!config_mode && !force_usb) {
+ if (!rn42_rts() && host_get_driver() != &rn42_driver) {
+ clear_keyboard();
+ host_set_driver(&rn42_driver);
+ } else if (rn42_rts() && host_get_driver() != &lufa_driver) {
+ clear_keyboard();
+ host_set_driver(&lufa_driver);
+ }
+ }
+
+
+ static uint16_t prev_timer = 0;
+ uint16_t e = timer_elapsed(prev_timer);
+ if (e > 1000) {
+ /* every second */
+ prev_timer += e/1000*1000;
+
+ /* Low voltage alert */
+ uint8_t bs = battery_status();
+ if (bs == LOW_VOLTAGE) {
+ battery_led(LED_ON);
+ } else {
+ battery_led(LED_CHARGER);
+ }
+
+ /* every minute */
+ uint32_t t = timer_read32()/1000;
+ if (t%60 == 0) {
+ uint16_t v = battery_voltage();
+ uint8_t h = t/3600;
+ uint8_t m = t%3600/60;
+ uint8_t s = t%60;
+ dprintf("%02u:%02u:%02u\t%umV\n", h, m, s, v);
+ /* TODO: xprintf doesn't work for this.
+ xprintf("%02u:%02u:%02u\t%umV\n", (t/3600), (t%3600/60), (t%60), v);
+ */
+ }
+ }
+
+
+ /* Connection monitor */
+ if (!rn42_rts() && rn42_linked()) {
+ status_led(true);
+ } else {
+ status_led(false);
+ }
+}
+
+
+
+/******************************************************************************
+ * Command
+ ******************************************************************************/
+static host_driver_t *prev_driver = &rn42_driver;
+
+static void print_rn42(void)
+{
+ int16_t c;
+ while ((c = rn42_getc()) != -1) {
+ xprintf("%c", c);
+ }
+}
+
+static void clear_rn42(void)
+{
+ while (rn42_getc() != -1) ;
+}
+
+#define SEND_STR(str) send_str(PSTR(str))
+#define SEND_COMMAND(cmd) send_command(PSTR(cmd))
+
+static void send_str(const char *str)
+{
+ uint8_t c;
+ while ((c = pgm_read_byte(str++)))
+ rn42_putc(c);
+}
+
+static const char *send_command(const char *cmd)
+{
+ static const char *s;
+ send_str(cmd);
+ wait_ms(500);
+ s = rn42_gets(100);
+ xprintf("%s\r\n", s);
+ print_rn42();
+ return s;
+}
+
+static void enter_command_mode(void)
+{
+ prev_driver = host_get_driver();
+ clear_keyboard();
+ host_set_driver(&rn42_config_driver); // null driver; not to send a key to host
+ rn42_disconnect();
+ while (rn42_linked()) ;
+
+ print("Entering config mode ...\n");
+ wait_ms(1100); // need 1 sec
+ SEND_COMMAND("$$$");
+ wait_ms(600); // need 1 sec
+ print_rn42();
+ const char *s = SEND_COMMAND("v\r\n");
+ if (strncmp("v", s, 1) != 0) SEND_COMMAND("+\r\n"); // local echo on
+}
+
+static void exit_command_mode(void)
+{
+ print("Exiting config mode ...\n");
+ SEND_COMMAND("---\r\n"); // exit
+
+ rn42_autoconnect();
+ clear_keyboard();
+ host_set_driver(prev_driver);
+}
+
+static void init_rn42(void)
+{
+ // RN-42 configure
+ if (!config_mode) enter_command_mode();
+ SEND_COMMAND("SF,1\r\n"); // factory defaults
+ SEND_COMMAND("S-,TmkBT\r\n");
+ SEND_COMMAND("SS,Keyboard/Mouse\r\n");
+ SEND_COMMAND("SM,4\r\n"); // auto connect(DTR)
+ SEND_COMMAND("SW,8000\r\n"); // Sniff disable
+ SEND_COMMAND("S~,6\r\n"); // HID profile
+ SEND_COMMAND("SH,003C\r\n"); // combo device, out-report, 4-reconnect
+ SEND_COMMAND("SY,FFF4\r\n"); // transmit power -12
+ SEND_COMMAND("R,1\r\n");
+ if (!config_mode) exit_command_mode();
+}
+
+#if 0
+// Switching connections
+// NOTE: Remote Address doesn't work in the way manual says.
+// EEPROM address for link store
+#define RN42_LINK0 (uint8_t *)128
+#define RN42_LINK1 (uint8_t *)140
+#define RN42_LINK2 (uint8_t *)152
+#define RN42_LINK3 (uint8_t *)164
+static void store_link(uint8_t *eeaddr)
+{
+ enter_command_mode();
+ SEND_STR("GR\r\n"); // remote address
+ const char *s = rn42_gets(500);
+ if (strcmp("GR", s) == 0) s = rn42_gets(500); // ignore local echo
+ xprintf("%s(%d)\r\n", s, strlen(s));
+ if (strlen(s) == 12) {
+ for (int i = 0; i < 12; i++) {
+ eeprom_write_byte(eeaddr+i, *(s+i));
+ dprintf("%c ", *(s+i));
+ }
+ dprint("\r\n");
+ }
+ exit_command_mode();
+}
+
+static void restore_link(const uint8_t *eeaddr)
+{
+ enter_command_mode();
+ SEND_COMMAND("SR,Z\r\n"); // remove remote address
+ SEND_STR("SR,"); // set remote address from EEPROM
+ for (int i = 0; i < 12; i++) {
+ uint8_t c = eeprom_read_byte(eeaddr+i);
+ rn42_putc(c);
+ dprintf("%c ", c);
+ }
+ dprintf("\r\n");
+ SEND_COMMAND("\r\n");
+ SEND_COMMAND("R,1\r\n"); // reboot
+ exit_command_mode();
+}
+
+static const char *get_link(uint8_t * eeaddr)
+{
+ static char s[13];
+ for (int i = 0; i < 12; i++) {
+ uint8_t c = eeprom_read_byte(eeaddr+i);
+ s[i] = c;
+ }
+ s[12] = '\0';
+ return s;
+}
+#endif
+
+static void pairing(void)
+{
+ enter_command_mode();
+ SEND_COMMAND("SR,Z\r\n"); // remove remote address
+ SEND_COMMAND("R,1\r\n"); // reboot
+ exit_command_mode();
+}
+
+bool command_extra(uint8_t code)
+{
+ uint32_t t;
+ uint16_t b;
+ switch (code) {
+ case KC_H:
+ case KC_SLASH: /* ? */
+ print("\n\n----- Bluetooth RN-42 Help -----\n");
+ print("i: RN-42 info\n");
+ print("b: battery voltage\n");
+ print("Del: enter/exit RN-42 config mode\n");
+ print("Slck: RN-42 initialize\n");
+#if 0
+ print("1-4: restore link\n");
+ print("F1-F4: store link\n");
+#endif
+ print("p: pairing\n");
+
+ if (config_mode) {
+ return true;
+ } else {
+ print("u: toggle Force USB mode\n");
+ return false; // to display default command help
+ }
+ case KC_P:
+ pairing();
+ return true;
+#if 0
+ /* Store link address to EEPROM */
+ case KC_F1:
+ store_link(RN42_LINK0);
+ return true;
+ case KC_F2:
+ store_link(RN42_LINK1);
+ return true;
+ case KC_F3:
+ store_link(RN42_LINK2);
+ return true;
+ case KC_F4:
+ store_link(RN42_LINK3);
+ return true;
+ /* Restore link address to EEPROM */
+ case KC_1:
+ restore_link(RN42_LINK0);
+ return true;
+ case KC_2:
+ restore_link(RN42_LINK1);
+ return true;
+ case KC_3:
+ restore_link(RN42_LINK2);
+ return true;
+ case KC_4:
+ restore_link(RN42_LINK3);
+ return true;
+#endif
+ case KC_I:
+ print("\n----- RN-42 info -----\n");
+ xprintf("protocol: %s\n", (host_get_driver() == &rn42_driver) ? "RN-42" : "LUFA");
+ xprintf("force_usb: %X\n", force_usb);
+ xprintf("rn42: %s\n", rn42_rts() ? "OFF" : (rn42_linked() ? "CONN" : "ON"));
+ xprintf("rn42_autoconnecting(): %X\n", rn42_autoconnecting());
+ xprintf("config_mode: %X\n", config_mode);
+ xprintf("USB State: %s\n",
+ (USB_DeviceState == DEVICE_STATE_Unattached) ? "Unattached" :
+ (USB_DeviceState == DEVICE_STATE_Powered) ? "Powered" :
+ (USB_DeviceState == DEVICE_STATE_Default) ? "Default" :
+ (USB_DeviceState == DEVICE_STATE_Addressed) ? "Addressed" :
+ (USB_DeviceState == DEVICE_STATE_Configured) ? "Configured" :
+ (USB_DeviceState == DEVICE_STATE_Suspended) ? "Suspended" : "?");
+ xprintf("battery: ");
+ switch (battery_status()) {
+ case FULL_CHARGED: xprintf("FULL"); break;
+ case CHARGING: xprintf("CHARG"); break;
+ case DISCHARGING: xprintf("DISCHG"); break;
+ case LOW_VOLTAGE: xprintf("LOW"); break;
+ default: xprintf("?"); break;
+ };
+ xprintf("\n");
+ xprintf("RemoteWakeupEnabled: %X\n", USB_Device_RemoteWakeupEnabled);
+ xprintf("VBUS: %X\n", USBSTA&(1<<VBUS));
+ t = timer_read32()/1000;
+ uint8_t d = t/3600/24;
+ uint8_t h = t/3600;
+ uint8_t m = t%3600/60;
+ uint8_t s = t%60;
+ xprintf("uptime: %02u %02u:%02u:%02u\n", d, h, m, s);
+#if 0
+ xprintf("LINK0: %s\r\n", get_link(RN42_LINK0));
+ xprintf("LINK1: %s\r\n", get_link(RN42_LINK1));
+ xprintf("LINK2: %s\r\n", get_link(RN42_LINK2));
+ xprintf("LINK3: %s\r\n", get_link(RN42_LINK3));
+#endif
+ return true;
+ case KC_B:
+ // battery monitor
+ t = timer_read32()/1000;
+ b = battery_voltage();
+ xprintf("BAT: %umV\t", b);
+ xprintf("%02u:", t/3600);
+ xprintf("%02u:", t%3600/60);
+ xprintf("%02u\n", t%60);
+ return true;
+ case KC_U:
+ if (config_mode) return false;
+ if (force_usb) {
+ print("Auto mode\n");
+ force_usb = false;
+ } else {
+ print("USB mode\n");
+ force_usb = true;
+ clear_keyboard();
+ host_set_driver(&lufa_driver);
+ }
+ return true;
+ case KC_DELETE:
+ /* RN-42 Command mode */
+ if (rn42_autoconnecting()) {
+ enter_command_mode();
+
+ command_state = CONSOLE;
+ config_mode = true;
+ } else {
+ exit_command_mode();
+
+ command_state = ONESHOT;
+ config_mode = false;
+ }
+ return true;
+ case KC_SCROLLLOCK:
+ init_rn42();
+ return true;
+ default:
+ if (config_mode)
+ return true;
+ else
+ return false; // yield to default command
+ }
+ return true;
+}
+
+/*
+ * RN-42 Command mode
+ * sends charactors to the module
+ */
+static uint8_t code2asc(uint8_t code);
+bool command_console_extra(uint8_t code)
+{
+ rn42_putc(code2asc(code));
+ return true;
+}
+
+// convert keycode into ascii charactor
+static uint8_t code2asc(uint8_t code)
+{
+ bool shifted = (get_mods() & (MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT))) ? true : false;
+ switch (code) {
+ case KC_A: return (shifted ? 'A' : 'a');
+ case KC_B: return (shifted ? 'B' : 'b');
+ case KC_C: return (shifted ? 'C' : 'c');
+ case KC_D: return (shifted ? 'D' : 'd');
+ case KC_E: return (shifted ? 'E' : 'e');
+ case KC_F: return (shifted ? 'F' : 'f');
+ case KC_G: return (shifted ? 'G' : 'g');
+ case KC_H: return (shifted ? 'H' : 'h');
+ case KC_I: return (shifted ? 'I' : 'i');
+ case KC_J: return (shifted ? 'J' : 'j');
+ case KC_K: return (shifted ? 'K' : 'k');
+ case KC_L: return (shifted ? 'L' : 'l');
+ case KC_M: return (shifted ? 'M' : 'm');
+ case KC_N: return (shifted ? 'N' : 'n');
+ case KC_O: return (shifted ? 'O' : 'o');
+ case KC_P: return (shifted ? 'P' : 'p');
+ case KC_Q: return (shifted ? 'Q' : 'q');
+ case KC_R: return (shifted ? 'R' : 'r');
+ case KC_S: return (shifted ? 'S' : 's');
+ case KC_T: return (shifted ? 'T' : 't');
+ case KC_U: return (shifted ? 'U' : 'u');
+ case KC_V: return (shifted ? 'V' : 'v');
+ case KC_W: return (shifted ? 'W' : 'w');
+ case KC_X: return (shifted ? 'X' : 'x');
+ case KC_Y: return (shifted ? 'Y' : 'y');
+ case KC_Z: return (shifted ? 'Z' : 'z');
+ case KC_1: return (shifted ? '!' : '1');
+ case KC_2: return (shifted ? '@' : '2');
+ case KC_3: return (shifted ? '#' : '3');
+ case KC_4: return (shifted ? '$' : '4');
+ case KC_5: return (shifted ? '%' : '5');
+ case KC_6: return (shifted ? '^' : '6');
+ case KC_7: return (shifted ? '&' : '7');
+ case KC_8: return (shifted ? '*' : '8');
+ case KC_9: return (shifted ? '(' : '9');
+ case KC_0: return (shifted ? ')' : '0');
+ case KC_ENTER: return '\n';
+ case KC_ESCAPE: return 0x1B;
+ case KC_BSPACE: return '\b';
+ case KC_TAB: return '\t';
+ case KC_SPACE: return ' ';
+ case KC_MINUS: return (shifted ? '_' : '-');
+ case KC_EQUAL: return (shifted ? '+' : '=');
+ case KC_LBRACKET: return (shifted ? '{' : '[');
+ case KC_RBRACKET: return (shifted ? '}' : ']');
+ case KC_BSLASH: return (shifted ? '|' : '\\');
+ case KC_NONUS_HASH: return (shifted ? '|' : '\\');
+ case KC_SCOLON: return (shifted ? ':' : ';');
+ case KC_QUOTE: return (shifted ? '"' : '\'');
+ case KC_GRAVE: return (shifted ? '~' : '`');
+ case KC_COMMA: return (shifted ? '<' : ',');
+ case KC_DOT: return (shifted ? '>' : '.');
+ case KC_SLASH: return (shifted ? '?' : '/');
+ case KC_DELETE: return '\0'; // Delete to disconnect
+ default: return ' ';
+ }
+}
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