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