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authormarksard <38324387+marksard@users.noreply.github.com>2018-09-04 08:34:16 +0900
committerDrashna Jaelre <drashna@live.com>2018-09-03 16:34:16 -0700
commit35efcc9f398a1a2493b482dd1bd7c859f93ef450 (patch)
tree004b44e13067b8793ad9523340ce0539977bf8b9 /keyboards/crkbd/rev1/split_util.c
parentfa1ee47cf2293d06693b86e8dd188d9fbc9338c4 (diff)
Keyboard: Improvement of crkbd communication functions (based on helix-keyboard) (#3798)
* improvement of crkbd communication functions (based on helix-keyboard) * Removed unnecessary code. * Changed read restriction from #define to #pragma once. * Changed from sizeof to defined size. * moved lib folder to crkbdroot. removed warning of ws2812.d
Diffstat (limited to 'keyboards/crkbd/rev1/split_util.c')
-rw-r--r--keyboards/crkbd/rev1/split_util.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/keyboards/crkbd/rev1/split_util.c b/keyboards/crkbd/rev1/split_util.c
new file mode 100644
index 0000000000..e1ff8b4379
--- /dev/null
+++ b/keyboards/crkbd/rev1/split_util.c
@@ -0,0 +1,70 @@
+#include <avr/io.h>
+#include <avr/wdt.h>
+#include <avr/power.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+#include <avr/eeprom.h>
+#include "split_util.h"
+#include "matrix.h"
+#include "keyboard.h"
+
+#ifdef USE_MATRIX_I2C
+# include "i2c.h"
+#else
+# include "split_scomm.h"
+#endif
+
+volatile bool isLeftHand = true;
+
+static void setup_handedness(void) {
+ #ifdef EE_HANDS
+ isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);
+ #else
+ // I2C_MASTER_RIGHT is deprecated, use MASTER_RIGHT instead, since this works for both serial and i2c
+ #if defined(I2C_MASTER_RIGHT) || defined(MASTER_RIGHT)
+ isLeftHand = !has_usb();
+ #else
+ isLeftHand = has_usb();
+ #endif
+ #endif
+}
+
+static void keyboard_master_setup(void) {
+
+#ifdef USE_MATRIX_I2C
+ i2c_master_init();
+#else
+ serial_master_init();
+#endif
+}
+
+static void keyboard_slave_setup(void) {
+
+#ifdef USE_MATRIX_I2C
+ i2c_slave_init(SLAVE_I2C_ADDRESS);
+#else
+ serial_slave_init();
+#endif
+}
+
+bool has_usb(void) {
+ USBCON |= (1 << OTGPADE); //enables VBUS pad
+ _delay_us(5);
+ return (USBSTA & (1<<VBUS)); //checks state of VBUS
+}
+
+void split_keyboard_setup(void) {
+ setup_handedness();
+
+ if (has_usb()) {
+ keyboard_master_setup();
+ } else {
+ keyboard_slave_setup();
+ }
+ sei();
+}
+
+// this code runs before the usb and keyboard is initialized
+void matrix_setup(void) {
+ split_keyboard_setup();
+}