#include <avr/io.h> #include "host.h" #include "host_driver.h" #include "../serial.h" #include "rn42.h" #include "print.h" #include "timer.h" #include "wait.h" /* Host driver */ static uint8_t keyboard_leds(void); static void send_keyboard(report_keyboard_t *report); static void send_mouse(report_mouse_t *report); static void send_system(uint16_t data); static void send_consumer(uint16_t data); host_driver_t rn42_driver = { keyboard_leds, send_keyboard, send_mouse, send_system, send_consumer }; void rn42_init(void) { // PF7: BT connection control(high: connect, low: disconnect) rn42_autoconnect(); // PF6: linked(input without pull-up) DDRF &= ~(1<<6); PORTF |= (1<<6); // PF1: RTS(low: allowed to send, high: not allowed) DDRF &= ~(1<<1); PORTF &= ~(1<<1); // PD5: CTS(low: allow to send, high:not allow) DDRD |= (1<<5); PORTD &= ~(1<<5); serial_init(); } int16_t rn42_getc(void) { return serial_recv2(); } const char *rn42_gets(uint16_t timeout) { static char s[24]; uint16_t t = timer_read(); uint8_t i = 0; int16_t c; while (i < 23 && timer_elapsed(t) < timeout) { if ((c = rn42_getc()) != -1) { if ((char)c == '\r') continue; if ((char)c == '\n') break; s[i++] = c; } } s[i] = '\0'; return s; } void rn42_putc(uint8_t c) { serial_send(c); } void rn42_puts(char *s) { while (*s) serial_send(*s++); } bool rn42_autoconnecting(void) { // GPIO6 for control connection(high: auto connect, low: disconnect) // Note that this needs config: SM,4(Auto-Connect DTR Mode) return (PORTF & (1<<7) ? true : false); } void rn42_autoconnect(void) { // hi to auto connect DDRF |= (1<<7); PORTF |= (1<<7); } void rn42_disconnect(void) { // low to disconnect DDRF |= (1<<7); PORTF &= ~(1<<7); } bool rn42_rts(void) { // low when RN-42 is powered and ready to receive return PINF&(1<<1); } void rn42_cts_hi(void) { // not allow to send PORTD |= (1<<5); } void rn42_cts_lo(void) { // allow to send PORTD &= ~(1<<5); } bool rn42_linked(void) { // RN-42 GPIO2 // Hi-Z: Not powered // High: Linked // Low: Connecting return PINF&(1<<6); } static uint8_t leds = 0; static uint8_t keyboard_leds(void) { return leds; } void rn42_set_leds(uint8_t l) { leds = l; } void rn42_send_str(const char *str) { uint8_t c; while ((c = pgm_read_byte(str++))) rn42_putc(c); } const char *rn42_send_command(const char *cmd) { static const char *s; rn42_send_str(cmd); wait_ms(500); s = rn42_gets(100); xprintf("%s\r\n", s); rn42_print_response(); return s; } void rn42_print_response(void) { int16_t c; while ((c = rn42_getc()) != -1) { xprintf("%c", c); } } static void send_keyboard(report_keyboard_t *report) { // wake from deep sleep /* PORTD |= (1<<5); // high wait_ms(5); PORTD &= ~(1<<5); // low */ serial_send(0xFD); // Raw report mode serial_send(9); // length serial_send(1); // descriptor type serial_send(report->mods); serial_send(0x00); serial_send(report->keys[0]); serial_send(report->keys[1]); serial_send(report->keys[2]); serial_send(report->keys[3]); serial_send(report->keys[4]); serial_send(report->keys[5]); } static void send_mouse(report_mouse_t *report) { // wake from deep sleep /* PORTD |= (1<<5); // high wait_ms(5); PORTD &= ~(1<<5); // low */ serial_send(0xFD); // Raw report mode serial_send(5); // length serial_send(2); // descriptor type serial_send(report->buttons); serial_send(report->x); serial_send(report->y); serial_send(report->v); } static void send_system(uint16_t data) { // Table 5-6 of RN-BT-DATA-UB // 81,82,83 scan codes can be used? } static uint16_t usage2bits(uint16_t usage) { switch (usage) { case AC_HOME: return 0x01; case AL_EMAIL: return 0x02; case AC_SEARCH: return 0x04; //case AL_KBD_LAYOUT: return 0x08; // Apple virtual keybaord toggle case AUDIO_VOL_UP: return 0x10; case AUDIO_VOL_DOWN: return 0x20; case AUDIO_MUTE: return 0x40; case TRANSPORT_PLAY_PAUSE: return 0x80; case TRANSPORT_NEXT_TRACK: return 0x100; case TRANSPORT_PREV_TRACK: return 0x200; case TRANSPORT_STOP: return 0x400; case TRANSPORT_STOP_EJECT: return 0x800; case TRANSPORT_FAST_FORWARD: return 0x1000; case TRANSPORT_REWIND: return 0x2000; //case return 0x4000; // Stop/eject //case return 0x8000; // Internet browser }; return 0; } static void send_consumer(uint16_t data) { uint16_t bits = usage2bits(data); serial_send(0xFD); // Raw report mode serial_send(3); // length serial_send(3); // descriptor type serial_send(bits&0xFF); serial_send((bits>>8)&0xFF); } /* Null driver for config_mode */ static uint8_t config_keyboard_leds(void); static void config_send_keyboard(report_keyboard_t *report); static void config_send_mouse(report_mouse_t *report); static void config_send_system(uint16_t data); static void config_send_consumer(uint16_t data); host_driver_t rn42_config_driver = { config_keyboard_leds, config_send_keyboard, config_send_mouse, config_send_system, config_send_consumer }; static uint8_t config_keyboard_leds(void) { return leds; } static void config_send_keyboard(report_keyboard_t *report) {} static void config_send_mouse(report_mouse_t *report) {} static void config_send_system(uint16_t data) {} static void config_send_consumer(uint16_t data) {}