--- /dev/null
+#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 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;
+}
+
+
+void rn42_task_init(void)
+{
+ battery_adc_init();
+}
+
+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
+ rn42_cts_hi();
+ xprintf("%c", c);
+ rn42_cts_lo();
+ }
+ } 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);
+ }
+ }
+}
+
+
+
+/******************************************************************************
+ * Command
+ ******************************************************************************/
+bool command_extra(uint8_t code)
+{
+ 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_rts(): %X\n", rn42_rts());
+ xprintf("config_mode: %X\n", config_mode);
+ return true;
+ case KC_B:
+ // battery monitor
+ xprintf("BAT: %04X(%08lX)\n", battery_adc(), timer_read32());
+ 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 ' ';
+ }
+}
projects / tmk_firmware.git / blobdiff