--- /dev/null
+#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)
+{
+ // JTAG disable for PORT F. write JTD bit twice within four cycles.
+ MCUCR |= (1<<JTD);
+ MCUCR |= (1<<JTD);
+
+ // 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) {}
projects / qmk_firmware.git / blobdiff