Add basic Bluetooth support

anne_pro
Michiel Visser 2019-07-13 13:50:00 +02:00
parent 4a700fac14
commit 5f6e4c1e35
8 changed files with 261 additions and 4 deletions

View File

@ -16,9 +16,15 @@
#include "anne_pro.h"
#include "anne_pro_lighting.h"
#include "anne_pro_bluetooth.h"
#include "ch.h"
#include "hal.h"
#ifdef NKRO_ENABLE
static bool nkro_enabled_last = false;
#endif
static host_driver_t *host_driver_last;
/* Process the Anne Pro custom keycodes */
bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
/* Update the key status for the reactive effects */
@ -49,6 +55,29 @@ bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
anne_pro_lighting_mode_next();
}
return false;
case APB_TOG:
/* Toggle the output driver between USB and Bluetooth */
if (record->event.pressed) {
if (host_get_driver() != &anne_pro_bluetooth_driver) {
clear_keyboard();
host_driver_last = host_get_driver();
#ifdef NKRO_ENABLE
nkro_enabled_last = keymap_config.nkro;
keymap_config.nkro = false;
#endif
host_set_driver(&anne_pro_bluetooth_driver);
anne_pro_bluetooth_on();
anne_pro_bluetooth_broadcast();
} else {
clear_keyboard();
#ifdef NKRO_ENABLE
keymap_config.nkro = nkro_enabled_last;
#endif
host_set_driver(host_driver_last);
anne_pro_bluetooth_off();
}
}
return false;
default:
/* Handle other keycodes normally */
return process_record_user(keycode, record);
@ -59,6 +88,8 @@ bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
void keyboard_pre_init_kb(void) {
/* Initialize the ligthing controller */
anne_pro_lighting_init();
/* Initialize the bluetooth controller */
anne_pro_bluetooth_init();
keyboard_pre_init_user();
}
@ -79,6 +110,8 @@ void keyboard_post_init_kb(void) {
void matrix_scan_kb(void) {
/* Run some update code for the lighting */
anne_pro_lighting_update();
/* Run some update code for the bluetooth */
anne_pro_bluetooth_update();
/* Run matrix_scan_user code */
matrix_scan_user();

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@ -22,7 +22,8 @@ enum anne_pro_keycodes {
APL_RGB = SAFE_RANGE,
APL_RAT,
APL_BRT,
APL_MOD
APL_MOD,
APB_TOG,
};
/* The fully-featured LAYOUT() that has every single key available in the matrix. */

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@ -0,0 +1,176 @@
/* Copyright 2019 Michiel Visser
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "anne_pro_bluetooth.h"
#include "uart_tx_ringbuf.h"
#include "host.h"
#include "host_driver.h"
#define BLUETOOTH_UART (&UARTD2)
/* UART transmission ringbuffer for the Bluetooth UART */
static uint8_t bluetooth_uart_tx_buffer[256] = {0};
static uart_tx_ringbuf_t bluetooth_uart_ringbuf = {
.buf = bluetooth_uart_tx_buffer,
.uart = BLUETOOTH_UART,
.size = sizeof(bluetooth_uart_tx_buffer),
.sending_elements = 0,
.head = 0,
.tail = 0,
};
/* Handler for finsihed Bluetooth UART transmissions */
static void bluetooth_uart_txend(UARTDriver *uart) {
uart_tx_ringbuf_finish_transmission(&bluetooth_uart_ringbuf);
}
/* Wakeup bluetooth chip and wait for acknoledgement */
msg_t bluetooth_wakeup(void) {
char rx_buf[3];
size_t frames = 3;
palSetPad(GPIOA, 1);
msg_t result = uartReceiveTimeout(BLUETOOTH_UART, &frames, &rx_buf, 10);
palClearPad(GPIOA, 1);
return result;
}
/* Update Bluetooth, should be called every matrix scan */
void anne_pro_bluetooth_update(void) {
if (!uart_tx_ringbuf_empty(&bluetooth_uart_ringbuf)) {
if (bluetooth_wakeup() == MSG_OK) {
uart_tx_ringbuf_start_transmission(&bluetooth_uart_ringbuf);
}
}
}
void bluetooth_rx_char(UARTDriver *driver, uint16_t c);
/* Bluetooth UART configuration */
static UARTConfig bluetooth_uart_cfg = {
.txend1_cb = bluetooth_uart_txend,
.txend2_cb = NULL,
.rxend_cb = NULL,
.rxchar_cb = bluetooth_rx_char,
.rxerr_cb = NULL,
.speed = 38400,
.cr1 = 0,
.cr2 = USART_CR2_LINEN,
.cr3 = 0
};
/* Receive buffer for the Bluetooth UART */
uint8_t bluetooth_rx_buffer[256] = {0};
size_t bluetooth_rx_index = 0;
/* Lookup table for translation to hex */
char hex_lookup[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
/* Handle packets from the bluetooth receive buffer */
void bluetooth_handle_packet(void) {
/* Packet type and length */
uint8_t packet_type = bluetooth_rx_buffer[0];
// uint8_t packet_len = bluetooth_rx_buffer[1];
/* Handle incomming packets over Bluetooth */
switch (packet_type) {
case 2: // System
switch (bluetooth_rx_buffer[2]) {
case 1: // GetId
// [2, 15, 129, 10, 2, 0, 1, 2, 50, 55, 71, 1, 50, 48]
// [2, 15, 129, 8, 2, 1, 54, 48, 52, 0, 54, 0, 50, 48]
uart_tx_ringbuf_write(&bluetooth_uart_ringbuf, 28, "\x02\x0f\x81\x0a\x02\x00\x01\x02\x32\x37\x47\x01\x32\x30"
"\x02\x0f\x81\x08\x02\x01\x36\x30\x34\x00\x36\x00\x32\x30");
break;
}
break;
}
}
/* Receive single character from the Bluetooth UART */
void bluetooth_rx_char(UARTDriver *driver, uint16_t c) {
bluetooth_rx_buffer[bluetooth_rx_index++] = c;
if (bluetooth_rx_index > 2) {
uint8_t packet_len = bluetooth_rx_buffer[1];
if (bluetooth_rx_index >= (2 + packet_len)) {
bluetooth_handle_packet();
bluetooth_rx_index = 0;
}
}
}
/* Initialize the Anne Pro Bluetooth */
void anne_pro_bluetooth_init(void) {
/* Initialize the bleutooth UART */
uartStart(BLUETOOTH_UART, &bluetooth_uart_cfg);
palSetPadMode(GPIOA, 2, PAL_MODE_ALTERNATE(7));
palSetPadMode(GPIOA, 3, PAL_MODE_ALTERNATE(7));
palSetPadMode(GPIOA, 1, PAL_MODE_OUTPUT_PUSHPULL);
palClearPad(GPIOA, 1);
/* Disable bluetooth on startup */
anne_pro_bluetooth_off();
}
/* Turn on Bluetooth */
void anne_pro_bluetooth_on(void) {
uart_tx_ringbuf_write(&bluetooth_uart_ringbuf, 3, "\x06\x01\x01");
}
/* Turn off Bluetooth */
void anne_pro_bluetooth_off(void) {
uart_tx_ringbuf_write(&bluetooth_uart_ringbuf, 3, "\x06\x01\x02");
}
/* Start broadcasting on Bluetooth */
void anne_pro_bluetooth_broadcast(void) {
uart_tx_ringbuf_write(&bluetooth_uart_ringbuf, 3, "\x06\x01\x07");
}
/* Status of keyboard leds for Bluetooth driver*/
static uint8_t keyboard_leds(void) {
return 0;
}
/* Send keyboard HID report for Bluetooth driver */
static void send_keyboard(report_keyboard_t *report) {
uint8_t bluetooth_report[11] = {7, 9, 1, 0};
bluetooth_report[3] = report->mods;
bluetooth_report[4] = report->reserved;
for (int i = 0; i < 6; i++) {
bluetooth_report[5+i] = report->keys[i];
}
uart_tx_ringbuf_write(&bluetooth_uart_ringbuf, 11, bluetooth_report);
}
/* Send mouse HID report for Bluetooth driver */
static void send_mouse(report_mouse_t *report) {
}
/* Send system report for Bluetooth driver */
static void send_system(uint16_t data) {
}
/* Send consumer report for Bluetooth driver */
static void send_consumer(uint16_t data) {
}
/* Bluetooth host driver, this allows us to switch from USB output to Bluetooth output */
host_driver_t anne_pro_bluetooth_driver = {
keyboard_leds,
send_keyboard,
send_mouse,
send_system,
send_consumer
};

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@ -0,0 +1,27 @@
/* Copyright 2019 Michiel Visser
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "host_driver.h"
extern host_driver_t anne_pro_bluetooth_driver;
void anne_pro_bluetooth_init(void);
void anne_pro_bluetooth_update(void);
void anne_pro_bluetooth_on(void);
void anne_pro_bluetooth_off(void);
void anne_pro_bluetooth_broadcast(void);

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@ -336,6 +336,26 @@
#define SPI_USE_MUTUAL_EXCLUSION TRUE
#endif
/*===========================================================================*/
/* UART driver related settings. */
/*===========================================================================*/
/**
* @brief Enables synchronous APIs.
* @note Disabling this option saves both code and data space.
*/
#if !defined(UART_USE_WAIT) || defined(__DOXYGEN__)
#define UART_USE_WAIT TRUE
#endif
/**
* @brief Enables the @p uartAcquireBus() and @p uartReleaseBus() APIs.
* @note Disabling this option saves both code and data space.
*/
#if !defined(UART_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
#define UART_USE_MUTUAL_EXCLUSION FALSE
#endif
/*===========================================================================*/
/* USB driver related settings. */
/*===========================================================================*/

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@ -35,7 +35,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
),
[2] = LAYOUT(
RESET, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
APB_TOG, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
_______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, _______,
_______, _______, _______, XXXXXXX, _______, _______, _______, _______

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@ -177,7 +177,7 @@
* UART driver system settings.
*/
#define STM32_UART_USE_USART1 FALSE
#define STM32_UART_USE_USART2 FALSE
#define STM32_UART_USE_USART2 TRUE
#define STM32_UART_USE_USART3 TRUE
#define STM32_UART_USART1_IRQ_PRIORITY 12
#define STM32_UART_USART2_IRQ_PRIORITY 12

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@ -24,7 +24,7 @@ ARMV = 7
DFU_ARGS = -d 0483:df11 -a 0 -s 0x08004000
# Extra source files
SRC += uart_tx_ringbuf.c anne_pro_lighting.c
SRC += uart_tx_ringbuf.c anne_pro_lighting.c anne_pro_bluetooth.c
# Build Options
# comment out to disable the options.