qmk_firmware/keyboard/hhkb_rn42/rn42/rn42_task.c

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#include <stdint.h>
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#include <string.h>
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#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"
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#include "debug.h"
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#include "timer.h"
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#include "wait.h"
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#include "command.h"
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#include "battery.h"
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static bool config_mode = false;
static bool force_usb = false;
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static void status_led(bool on)
{
if (on) {
DDRE |= (1<<6);
PORTE &= ~(1<<6);
} else {
DDRE |= (1<<6);
PORTE |= (1<<6);
}
}
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void rn42_task_init(void)
{
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battery_init();
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}
void rn42_task(void)
{
int16_t c;
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// 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;
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}
}
/* 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);
}
}
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static uint16_t prev_timer = 0;
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uint16_t e = timer_elapsed(prev_timer);
if (e > 1000) {
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/* every second */
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prev_timer += e/1000*1000;
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/* Low voltage alert */
uint8_t bs = battery_status();
if (bs == LOW_VOLTAGE) {
battery_led(LED_ON);
} else {
battery_led(LED_CHARGER);
}
/* every minute */
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uint32_t t = timer_read32()/1000;
if (t%60 == 0) {
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uint16_t v = battery_voltage();
uint8_t h = t/3600;
uint8_t m = t%3600/60;
uint8_t s = t%60;
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dprintf("%02u:%02u:%02u\t%umV\n", h, m, s, v);
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/* TODO: xprintf doesn't work for this.
xprintf("%02u:%02u:%02u\t%umV\n", (t/3600), (t%3600/60), (t%60), v);
*/
}
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}
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/* Connection monitor */
if (rn42_linked()) {
status_led(true);
} else {
status_led(false);
}
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}
/******************************************************************************
* Command
******************************************************************************/
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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) ;
}
static void enter_command_mode(void)
{
// RN-42 disconnect
prev_driver = host_get_driver();
clear_keyboard();
host_set_driver(&rn42_config_driver); // null driver; not to send a key to host
rn42_disconnect();
print("\nRN-42: disconnect\n");
print("Entering config mode ...\n");
wait_ms(1000);
rn42_puts("$$$"); // Command mode
wait_ms(1000);
rn42_puts("+\r\n"); // Local echo on
print_rn42();
}
static void exit_command_mode(void)
{
print("Exiting config mode ...\n");
rn42_puts("+\r\n"); // Local echo off
wait_ms(500);
rn42_puts("---\r\n");
wait_ms(500);
print_rn42();
rn42_autoconnect();
print("RN-42: auto_connect\n");
host_set_driver(prev_driver);
}
static void init_rn42(void)
{
// RN-42 configure
if (!config_mode) enter_command_mode();
rn42_puts("SF,1\r\n"); // factory defaults
wait_ms(500); print_rn42();
rn42_puts("S-,TmkBT\r\n");
wait_ms(500); print_rn42();
rn42_puts("SS,Keyboard/Mouse\r\n");
wait_ms(500); print_rn42();
rn42_puts("SM,4\r\n"); // auto connect(DTR)
wait_ms(500); print_rn42();
rn42_puts("SW,8000\r\n"); // Sniff disable
wait_ms(500); print_rn42();
rn42_puts("S~,6\r\n"); // HID profile
wait_ms(500); print_rn42();
rn42_puts("SH,003C\r\n"); // combo device, out-report, 4-reconnect
wait_ms(500); print_rn42();
rn42_puts("SY,FFF4\r\n"); // transmit power -12
wait_ms(500); print_rn42();
rn42_puts("R,1\r\n");
wait_ms(500); print_rn42();
if (!config_mode) exit_command_mode();
}
static void connect(uint8_t *addr)
{
enter_command_mode();
}
static void pairng(void)
{
}
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bool command_extra(uint8_t code)
{
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uint32_t t;
uint16_t b;
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switch (code) {
case KC_H:
case KC_SLASH: /* ? */
print("\n\n----- Bluetooth RN-42 Help -----\n");
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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");
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if (config_mode) {
return true;
} else {
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print("u: toggle Force USB mode\n");
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return false; // to display default command help
}
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);
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xprintf("rn42: %s\n", rn42_rts() ? "OFF" : (rn42_linked() ? "CONN" : "ON"));
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xprintf("rn42_autoconnecting(): %X\n", rn42_autoconnecting());
xprintf("config_mode: %X\n", config_mode);
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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));
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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;
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xprintf("uptime: %02u %02u:%02u:%02u\n", d, h, m, s);
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return true;
case KC_B:
// battery monitor
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t = timer_read32()/1000;
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b = battery_voltage();
xprintf("BAT: %umV\t", b);
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xprintf("%02u:", t/3600);
xprintf("%02u:", t%3600/60);
xprintf("%02u\n", t%60);
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return true;
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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;
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default:
if (config_mode)
return true;
else
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return false; // yield to default command
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}
return true;
}
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/*
* RN-42 Command mode
* sends charactors to the module
*/
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static uint8_t code2asc(uint8_t code);
bool command_console_extra(uint8_t code)
{
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rn42_putc(code2asc(code));
return true;
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}
// 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 ' ';
}
}