forked from forks/qmk_firmware
309 lines
9.7 KiB
C
309 lines
9.7 KiB
C
#include <stdint.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 "timer.h"
|
|
#include "command.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);
|
|
}
|
|
}
|
|
|
|
static void battery_adc_init(void)
|
|
{
|
|
ADMUX = (1<<REFS1) | (1<<REFS0); // Ref:2.56V band-gap, Input:ADC0(PF0)
|
|
ADCSRA = (1<<ADPS2) | (1<<ADPS1) | (1<<ADPS0); // Prescale:128 16MHz/128=125KHz
|
|
ADCSRA |= (1<<ADEN); // enable ADC
|
|
}
|
|
|
|
static uint16_t battery_adc(void)
|
|
{
|
|
volatile uint16_t bat;
|
|
ADCSRA |= (1<<ADEN);
|
|
|
|
// discard first result
|
|
ADCSRA |= (1<<ADSC);
|
|
while (ADCSRA & (1<<ADSC)) ;
|
|
bat = ADC;
|
|
|
|
// discard second result
|
|
ADCSRA |= (1<<ADSC);
|
|
while (ADCSRA & (1<<ADSC)) ;
|
|
bat = ADC;
|
|
|
|
ADCSRA |= (1<<ADSC);
|
|
while (ADCSRA & (1<<ADSC)) ;
|
|
bat = ADC;
|
|
|
|
ADCSRA &= ~(1<<ADEN);
|
|
return bat;
|
|
}
|
|
|
|
static void battery_led(bool on)
|
|
{
|
|
if (on) {
|
|
DDRF |= (1<<5);
|
|
PORTF &= ~(1<<5); // Low
|
|
} else {
|
|
DDRF &= ~(1<<5);
|
|
PORTF &= ~(1<<5); // HiZ
|
|
}
|
|
}
|
|
|
|
static bool battery_charging(void)
|
|
{
|
|
// MCP73831:STAT
|
|
// Hi-Z: Shutdown/No Battery
|
|
// Low: Charging
|
|
// Hi: Charged
|
|
DDRF &= ~(1<<5);
|
|
PORTF |= (1<<5);
|
|
return PINF&(1<<5) ? false : true;
|
|
}
|
|
|
|
void rn42_task_init(void)
|
|
{
|
|
battery_adc_init();
|
|
|
|
// battery charging(HiZ)
|
|
DDRF &= ~(1<<5);
|
|
PORTF &= ~(1<<5);
|
|
}
|
|
|
|
void rn42_task(void)
|
|
{
|
|
int16_t c;
|
|
if (config_mode) {
|
|
// Config mode: print output from RN-42
|
|
while ((c = serial_recv2()) != -1) {
|
|
// without flow control it'll fail to receive data when flooded
|
|
xprintf("%c", c);
|
|
}
|
|
} else {
|
|
// Raw mode: interpret output report of LED state
|
|
while ((c = serial_recv2()) != -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;
|
|
xprintf("%02X\n", c);
|
|
switch (state) {
|
|
case LED_INIT:
|
|
if (c == 0xFE) state = LED_FE;
|
|
else state = LED_INIT;
|
|
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:
|
|
// TODO: move to rn42.c and make accessible with keyboard_leds()
|
|
xprintf("LED status: %02X\n", 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);
|
|
}
|
|
}
|
|
|
|
/* Battery monitor */
|
|
|
|
/* Connection monitor */
|
|
if (rn42_linked()) {
|
|
status_led(true);
|
|
} else {
|
|
status_led(false);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************************
|
|
* Command
|
|
******************************************************************************/
|
|
bool command_extra(uint8_t code)
|
|
{
|
|
uint32_t t;
|
|
uint16_t b;
|
|
static host_driver_t *prev_driver = &rn42_driver;
|
|
switch (code) {
|
|
case KC_H:
|
|
case KC_SLASH: /* ? */
|
|
print("\n\n----- Bluetooth RN-42 Help -----\n");
|
|
print("Del: enter/exit config mode(auto_connect/disconnect)\n");
|
|
print("i: RN-42 info\n");
|
|
print("b: battery voltage\n");
|
|
|
|
if (config_mode) {
|
|
return true;
|
|
} else {
|
|
print("u: Force USB mode\n");
|
|
return false; // to display default command help
|
|
}
|
|
case KC_DELETE:
|
|
if (rn42_autoconnecting()) {
|
|
prev_driver = host_get_driver();
|
|
clear_keyboard();
|
|
_delay_ms(500);
|
|
host_set_driver(&rn42_config_driver); // null driver; not to send a key to host
|
|
rn42_disconnect();
|
|
print("\nRN-42: disconnect\n");
|
|
print("Enter config mode\n");
|
|
print("type $$$ to start and + for local echo\n");
|
|
command_state = CONSOLE;
|
|
config_mode = true;
|
|
} else {
|
|
rn42_autoconnect();
|
|
print("\nRN-42: auto_connect\n");
|
|
print("Exit config mode\n");
|
|
command_state = ONESHOT;
|
|
config_mode = false;
|
|
//clear_keyboard();
|
|
host_set_driver(prev_driver);
|
|
}
|
|
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_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_autoconnecting(): %X\n", rn42_autoconnecting());
|
|
xprintf("rn42_linked(): %X\n", rn42_linked());
|
|
xprintf("rn42_rts(): %X\n", rn42_rts());
|
|
xprintf("config_mode: %X\n", config_mode);
|
|
xprintf("VBUS: %X\n", USBSTA&(1<<VBUS));
|
|
xprintf("battery_charging: %X\n", battery_charging());
|
|
return true;
|
|
case KC_B:
|
|
// battery monitor
|
|
t = timer_read32()/1000;
|
|
b = battery_adc();
|
|
xprintf("BAT: %umV(%04X)\t", (b-16)*5, b);
|
|
xprintf("%02u:", t/3600);
|
|
xprintf("%02u:", t%3600/60);
|
|
xprintf("%02u\n", t%60);
|
|
return true;
|
|
default:
|
|
if (config_mode)
|
|
return true;
|
|
else
|
|
return false; // exec default command
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static uint8_t code2asc(uint8_t code);
|
|
bool command_console_extra(uint8_t code)
|
|
{
|
|
switch (code) {
|
|
default:
|
|
rn42_putc(code2asc(code));
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// 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 ' ';
|
|
}
|
|
}
|