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authorMonksoffunk <monksoffunk@users.noreply.github.com>2018-10-27 13:23:49 +0900
committerDrashna Jaelre <drashna@live.com>2018-10-26 21:23:49 -0700
commit23cd9f4dee791464196faaf6692599325cfe6f3c (patch)
tree51a18c3beaa8f1937b1aa1efd5209ca8583b944a /keyboards/zinc/i2c.h
parent73e92ef0c06de389d39d3ca0a8c98da2196ebec7 (diff)
Keyboard: Add new keyboard Zinc (#4245)
* Add Zinc keyboard * Fix photo * Fix readme.md * Fix RGB LED init of monks/keymap.c * Fix default keymap and readme.jp * Fix change DEFS of RGB ANIMATIONS to LED_ANIMATIONS * Add EOL * Use serial_config_simpleapi.h * Fix comment char * Fix error handling in split_scomm.c : mtei works * Fix keymaps * Remove DISABLE_LEADER definition * Remove pro_micro.h * Add 2 spaces after Hardware name * Fix keymaps - remove audio codes - change LAYOUT to LAYOUT_ortho_4X12 - change "persistent_default_layer_set" to core function * Use the Community Layouts feature - with some clean up
Diffstat (limited to 'keyboards/zinc/i2c.h')
-rw-r--r--keyboards/zinc/i2c.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/keyboards/zinc/i2c.h b/keyboards/zinc/i2c.h
new file mode 100644
index 0000000000..47cf6bd1b2
--- /dev/null
+++ b/keyboards/zinc/i2c.h
@@ -0,0 +1,49 @@
+#ifndef I2C_H
+#define I2C_H
+
+#include <stdint.h>
+
+#ifndef F_CPU
+#define F_CPU 16000000UL
+#endif
+
+#define I2C_READ 1
+#define I2C_WRITE 0
+
+#define I2C_ACK 1
+#define I2C_NACK 0
+
+#define SLAVE_BUFFER_SIZE 0x10
+
+// i2c SCL clock frequency 400kHz
+#define SCL_CLOCK 400000L
+
+extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
+
+void i2c_master_init(void);
+uint8_t i2c_master_start(uint8_t address);
+void i2c_master_stop(void);
+uint8_t i2c_master_write(uint8_t data);
+uint8_t i2c_master_read(int);
+void i2c_reset_state(void);
+void i2c_slave_init(uint8_t address);
+
+
+static inline unsigned char i2c_start_read(unsigned char addr) {
+ return i2c_master_start((addr << 1) | I2C_READ);
+}
+
+static inline unsigned char i2c_start_write(unsigned char addr) {
+ return i2c_master_start((addr << 1) | I2C_WRITE);
+}
+
+// from SSD1306 scrips
+extern unsigned char i2c_rep_start(unsigned char addr);
+extern void i2c_start_wait(unsigned char addr);
+extern unsigned char i2c_readAck(void);
+extern unsigned char i2c_readNak(void);
+extern unsigned char i2c_read(unsigned char ack);
+
+#define i2c_read(ack) (ack) ? i2c_readAck() : i2c_readNak();
+
+#endif