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Diffstat (limited to 'keyboards/ergodash/matrix.c')
-rw-r--r--keyboards/ergodash/matrix.c34
1 files changed, 32 insertions, 2 deletions
diff --git a/keyboards/ergodash/matrix.c b/keyboards/ergodash/matrix.c
index 80d4ce46a8..bdf265a874 100644
--- a/keyboards/ergodash/matrix.c
+++ b/keyboards/ergodash/matrix.c
@@ -1,5 +1,5 @@
/*
-Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2017 Danny Nguyen <danny@keeb.io>
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
@@ -31,6 +31,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "config.h"
#include "timer.h"
+#ifdef BACKLIGHT_ENABLE
+ #include "backlight.h"
+ extern backlight_config_t backlight_config;
+#endif
+
#ifdef USE_I2C
# include "i2c.h"
#else // USE_SERIAL
@@ -58,6 +63,8 @@ static matrix_row_t matrix_debouncing[MATRIX_ROWS];
#define ERROR_DISCONNECT_COUNT 5
+#define SERIAL_LED_ADDR 0x00
+
#define ROWS_PER_HAND (MATRIX_ROWS/2)
static uint8_t error_count = 0;
@@ -201,6 +208,15 @@ int i2c_transaction(void) {
err = i2c_master_write(0x00);
if (err) goto i2c_error;
+#ifdef BACKLIGHT_ENABLE
+ // Write backlight level for slave to read
+ err = i2c_master_write(backlight_config.enable ? backlight_config.level : 0);
+#else
+ // Write zero, so our byte index is the same
+ err = i2c_master_write(0x00);
+#endif
+ if (err) goto i2c_error;
+
// Start read
err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ);
if (err) goto i2c_error;
@@ -233,6 +249,11 @@ int serial_transaction(void) {
for (int i = 0; i < ROWS_PER_HAND; ++i) {
matrix[slaveOffset+i] = serial_slave_buffer[i];
}
+
+#ifdef BACKLIGHT_ENABLE
+ // Write backlight level for slave to read
+ serial_master_buffer[SERIAL_LED_ADDR] = backlight_config.enable ? backlight_config.level : 0;
+#endif
return 0;
}
#endif
@@ -273,13 +294,22 @@ void matrix_slave_scan(void) {
int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;
#ifdef USE_I2C
+#ifdef BACKLIGHT_ENABLE
+ // Read backlight level sent from master and update level on slave
+ backlight_set(i2c_slave_buffer[0]);
+#endif
for (int i = 0; i < ROWS_PER_HAND; ++i) {
- i2c_slave_buffer[i] = matrix[offset+i];
+ i2c_slave_buffer[i+1] = matrix[offset+i];
}
#else // USE_SERIAL
for (int i = 0; i < ROWS_PER_HAND; ++i) {
serial_slave_buffer[i] = matrix[offset+i];
}
+
+#ifdef BACKLIGHT_ENABLE
+ // Read backlight level sent from master and update level on slave
+ backlight_set(serial_master_buffer[SERIAL_LED_ADDR]);
+#endif
#endif
}