diff --git a/drivers/arm/twi2c.c b/drivers/arm/twi2c.c
index 53af437bc2..e3bed5db86 100644
--- a/drivers/arm/twi2c.c
+++ b/drivers/arm/twi2c.c
@@ -40,7 +40,7 @@
// 400000
// };
-I2CSlaveMsgCB twi2c_slave_message_process, catchError, clearAfterSend;
+I2CSlaveMsgCB twi2c_incoming_message_process, twi2c_catch_error, twi2c_clear_after_send;
#endif
@@ -67,6 +67,12 @@ BaseSequentialStream *chp = NULL; // Used for serial logging
#ifdef I2C_SLAVE_ENABLE
+
+
+
+
+
+
// Handler when something sent to us
const I2CSlaveMsg echoRx =
{
@@ -74,7 +80,7 @@ const I2CSlaveMsg echoRx =
rxBody, /* body of received msg */
NULL, /* do nothing on address match */
twi2c_slave_message_process, /* Routine to process received messages */
- catchError /* Error hook */
+ twi2c_catch_error /* Error hook */
};
@@ -85,7 +91,7 @@ I2CSlaveMsg initialReply =
(uint8_t *)initialReplyBody,
NULL, /* do nothing on address match */
NULL, /* do nothing after reply sent */
- catchError /* Error hook */
+ twi2c_catch_error /* Error hook */
};
// // 'Empty' reply when nothing to say, and no message received. In RAM, to allow update
@@ -95,7 +101,7 @@ I2CSlaveMsg initialReply =
// NULL,
// NULL, /* do nothing on address match */
// NULL, /* do nothing after reply sent */
-// catchError /* Error hook */
+// twi2c_catch_error /* Error hook */
// };
@@ -104,8 +110,8 @@ I2CSlaveMsg echoReply = { /* this is in RAM so size may be updated */
MATRIX_ROWS / 2, /* filled in with the length of the message to send */
txBody, /* Response message */
NULL, /* do nothing special on address match */
- clearAfterSend, /* Clear receive buffer once replied */
- catchError /* Error hook */
+ twi2c_clear_after_send, /* Clear receive buffer once replied */
+ twi2c_catch_error /* Error hook */
};
@@ -130,7 +136,7 @@ void noteI2cError(uint32_t flags)
*
* Called in interrupt context, so need to watch what we do
*/
-void catchError(I2CDriver *i2cp)
+void twi2c_catch_error(I2CDriver *i2cp)
{
noteI2cError(i2cp->errors);
}
@@ -163,7 +169,7 @@ void twi2c_slave_message_process(I2CDriver *i2cp) {
/**
* Callback after sending of response complete - restores default reply in case polled
*/
-void clearAfterSend(I2CDriver *i2cp)
+void twi2c_clear_after_send(I2CDriver *i2cp)
{
// echoReply.size = 0; // Clear receive message
// i2cSlaveReplyI(i2cp, &initialReply);
@@ -176,7 +182,7 @@ void clearAfterSend(I2CDriver *i2cp)
* We then go into a loop checking for errors, and never return
*/
-void twi2c_slave_init(void) {
+void twi2c_slave_init(twi2c_message_received * cb, uint8_t address) {
twi2c_init();
@@ -193,7 +199,7 @@ void twi2c_slave_init(void) {
i2cSlaveConfigure(&I2C_DRIVER, &echoRx, &echoReply);
// Enable match address after everything else set up
- i2cMatchAddress(&I2C_DRIVER, slaveI2Caddress/2);
+ i2cMatchAddress(&I2C_DRIVER, address/2);
// i2cMatchAddress(&I2C_DRIVER, myOtherI2Caddress/2);
// i2cMatchAddress(&I2C_DRIVER, 0); /* "all call" */
@@ -238,3 +244,48 @@ uint8_t twi2c_transmit(uint8_t address, uint8_t* data, uint16_t length) {
i2cStart(&I2C_DRIVER, &i2cconfig);
return i2cMasterTransmitTimeout(&I2C_DRIVER, twi2c_address/2, data, length, 0, 0, MS2ST(100));
}
+
+uint8_t twi2c_incoming_body[512];
+uint8_t twi2c_outgoing_body[512];
+
+// Response to received messages
+I2CSlaveMsg twi2c_incoming_message = {
+ sizeof(twi2c_incoming_body),
+ twi2c_incoming_body,
+ NULL,
+ twi2c_incoming_message_process,
+ twi2c_catch_error /* Error hook */
+};
+
+void twi2c_incoming_message_process(I2CDriver *i2cp) {
+ size_t len = i2cSlaveBytes(i2cp);
+ twi2c_message_received_callback(twi2c_incoming_body, len);
+}
+
+// Response to received messages
+I2CSlaveMsg twi2c_outgoing_message = { /* this is in RAM so size may be updated */
+ sizeof(twi2c_outgoing_body), /* filled in with the length of the message to send */
+ twi2c_outgoing_body,
+ NULL,
+ twi2c_clear_after_send,
+ twi2c_catch_error /* Error hook */
+};
+
+uint8_t twi2c_reply(uint8_t * data, uint16_t length) {
+ twi2c_outgoing_body = data;
+ twi2c_outgoing_message.size = length;
+ i2cSlaveReplyI(i2cp, &twi2c_outgoing_message);
+}
+
+uint8_t twi2c_transmit_receive(uint8_t address, uint8_t * tx_body, uint16_t tx_length, uint8_t rx_body, uint16_t rx_length) {
+ return i2cMasterTransmitTimeout(&I2C_DRIVER, address/2, tx_body, tx_length, rx_body, rx_length, MS2ST(100));
+}
+
+uint8_t twi2c_start_listening(uint8_t address, twi2c_message_received callback) {
+ twi2c_message_received_callback = callback;
+ i2cStart(&I2C_DRIVER, &i2cconfig);
+ I2C_DRIVER.slaveTimeout = MS2ST(100);
+ i2cSlaveConfigure(&I2C_DRIVER, &twi2c_incoming_message, &twi2c_outgoing_message);
+ i2cMatchAddress(&I2C_DRIVER, address/2);
+ return 0;
+}
diff --git a/drivers/arm/twi2c.h b/drivers/arm/twi2c.h
index 57cc54070e..d3dc2a1572 100644
--- a/drivers/arm/twi2c.h
+++ b/drivers/arm/twi2c.h
@@ -26,6 +26,9 @@
#ifdef I2C_SLAVE_ENABLE
+typedef void twi2c_message_received(uint8_t * body, uint16_t size);
+twi2c_message_received twi2c_message_received_callback;
+
I2CSlaveMsgCB twi2c_slave_message_process, catchError, clearAfterSend;
void twi2c_slave_init(void);
@@ -42,3 +45,6 @@ uint8_t twi2c_receive(uint8_t address, uint8_t* data, uint16_t length);
uint8_t twi2c_writeReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length);
uint8_t twi2c_readReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length);
void twi2c_stop(void);
+uint8_t twi2c_reply(uint8_t * data, uint16_t length);
+uint8_t twi2c_transmit_receive(uint8_t address, uint8_t * tx_body, uint16_t tx_length, uint8_t rx_body, uint16_t rx_length);
+uint8_t twi2c_start_listening(uint8_t address, twi2c_message_received callback);
diff --git a/drivers/qwiic/qwiic_keyboard.c b/drivers/qwiic/qwiic_keyboard.c
new file mode 100644
index 0000000000..b9e01a7f03
--- /dev/null
+++ b/drivers/qwiic/qwiic_keyboard.c
@@ -0,0 +1,118 @@
+/* Copyright 2018 Jack Humbert
+ *
+ * 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 .
+ */
+
+#include "qwiic_keyboard.h"
+#include "keymap.h"
+#include "matrix.h"
+
+#define QWIIC_KEYBOARD_LAYERS 16
+#define QWIIC_KEYBOARD_ROWS 8
+#define QWIIC_KEYBOARD_COLS 8
+
+#define QWIIC_KEYBOARD_HANDSHAKE_ADDRESS 0b01010100
+#define QWIIC_KEYBOARD_LISTENING_ADDRESS_START 0b01010110
+#define QWIIC_KEYBOARD_HANDSHAKE_MESSAGE_SIZE (2 + (QWIIC_KEYBOARD_LAYERS * QWIIC_KEYBOARD_ROWS * QWIIC_KEYBOARD_COLS))
+#define QWIIC_KEYBOARD_MATRIX_MESSAGE_SIZE MATRIX_ROWS
+
+bool qwiic_keyboard_master = false;
+bool qwiic_keyboard_connected = false;
+uint8_t * qwiic_keyboard_handshake_message = {0};
+uint8_t * qwiic_keyboard_matrix_message[QWIIC_KEYBOARD_ROWS] = {0};
+
+uint16_t qwiic_keyboard_keymap[QWIIC_KEYBOARD_LAYERS][QWIIC_KEYBOARD_ROWS][QWIIC_KEYBOARD_COLS] = {0};
+uint8_t qwiic_keyboard_new_listening_address = QWIIC_KEYBOARD_LISTENING_ADDRESS_START;
+uint8_t qwiic_keyboard_listening_address = QWIIC_KEYBOARD_LISTENING_ADDRESS_START;
+uint8_t qwiic_keyboard_matrix_rows;
+uint8_t qwiic_keyboard_matrix_cols;
+
+void qwiic_keyboard_setup(void) {
+ twi2c_start_listening(qwiic_keyboard_listening_address, qwiic_keyboard_message_received);
+}
+
+void qwiic_keyboard_set_master() {
+ twi2c_stop();
+ qwiic_keyboard_master = true;
+}
+
+void qwiic_keyboard_task(void) {
+ if (qwiic_keyboard_master) {
+ if (qwiic_keyboard_connected) {
+ if (MSG_OK == twi2c_transmit_receive(qwiic_keyboard_listening_address,
+ NULL, 0,
+ qwiic_keyboard_matrix_message, QWIIC_KEYBOARD_MATRIX_MESSAGE_SIZE
+ )) {
+ // process key event
+ } else {
+ // disconnect
+ }
+ }
+ if (MSG_OK == twi2c_transmit_receive(QWIIC_KEYBOARD_HANDSHAKE_ADDRESS,
+ qwiic_keyboard_new_listening_address, 1,
+ qwiic_keyboard_handshake_message, QWIIC_KEYBOARD_HANDSHAKE_MESSAGE_SIZE
+ )) {
+ qwiic_keyboard_new_listening_address+=2;
+ uint8_t * message_pointer = qwiic_keyboard_handshake_message;
+ qwiic_keyboard_matrix_rows = *message_pointer++;
+ qwiic_keyboard_matrix_cols = *message_pointer++;
+ qwiic_keyboard_read_keymap(message_pointer);
+ }
+ }
+}
+
+twi2c_message_received qwiic_keyboard_message_received;
+extern matrix_row_t matrix[MATRIX_ROWS];
+uint8_t * qwiic_keyboard_reply;
+
+void qwiic_keyboard_message_received(uint8_t * body, uint16_t size) {
+ if (qwiic_keyboard_connected) {
+ memcpy(qwiic_keyboard_reply, matrix, QWIIC_KEYBOARD_MATRIX_MESSAGE_SIZE);
+ twi2c_reply(qwiic_keyboard_reply, QWIIC_KEYBOARD_MATRIX_MESSAGE_SIZE);
+ } else {
+ qwiic_keyboard_connected = true;
+ qwiic_keyboard_listening_address
+ uint8_t * message_pointer = qwiic_keyboard_reply;
+ *message_pointer++ = MATRIX_ROWS;
+ *message_pointer++ = MATRIX_COLS;
+ qwiic_keyboard_write_keymap(message_pointer);
+ twi2c_reply(qwiic_keyboard_reply, QWIIC_KEYBOARD_HANDSHAKE_MESSAGE_SIZE);
+ twi2c_stop();
+ twi2c_start_listening(qwiic_keyboard_listening_address, qwiic_keyboard_message_received);
+ }
+}
+
+void qwiic_keyboard_write_keymap(uint8_t * pointer) {
+ for (uint8_t layer = 0; layer < QWIIC_KEYBOARD_LAYERS; layer++) {
+ for (uint8_t row = 0; row < QWIIC_KEYBOARD_ROWS; row++) {
+ for (uint8_t col = 0; col < QWIIC_KEYBOARD_COLS; col++) {
+ uint16_t keycode = pgm_read_word(&keymaps[layer][row][col]);
+ *pointer++ = (keycode >> 8);
+ *pointer++ = (keycode & 0xFF);
+ }
+ }
+ }
+}
+
+void qwiic_keyboard_read_keymap(uint8_t * pointer) {
+ for (uint8_t layer = 0; layer < QWIIC_KEYBOARD_LAYERS; layer++) {
+ for (uint8_t row = 0; row < QWIIC_KEYBOARD_ROWS; row++) {
+ for (uint8_t col = 0; col < QWIIC_KEYBOARD_COLS; col++) {
+ uint16_t keycode = *pointer++;
+ keycode |= (*pointer++) << 8;
+ qwiic_keyboard_keymap[layer][row][col] = keycode;
+ }
+ }
+ }
+}
diff --git a/drivers/qwiic/qwiic_keyboard.h b/drivers/qwiic/qwiic_keyboard.h
new file mode 100644
index 0000000000..d73544a9a7
--- /dev/null
+++ b/drivers/qwiic/qwiic_keyboard.h
@@ -0,0 +1,22 @@
+/* Copyright 2018 Jack Humbert
+ *
+ * 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 .
+ */
+
+#ifndef QWIIC_KEYBOARD_H
+#define QWIIC_KEYBOARD_H
+
+#include "quantum.h"
+
+#endif