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authorGravatar Jack Humbert <jack.humb@gmail.com>2017-08-23 22:29:07 -0400
committerGravatar GitHub <noreply@github.com>2017-08-23 22:29:07 -0400
commitd2ff66a985b938e87fffe55c1d9f1dc55e356f91 (patch)
tree561b3e203033849573a17f5ac6248077ab687676 /keyboards/ergodone/expander.h
parent7260fc3eef98fb7b0e2ed24d3d0d14cf2e613000 (diff)
downloadqmk_firmware-d2ff66a985b938e87fffe55c1d9f1dc55e356f91.tar.gz
Creates a layouts/ folder for keymaps shared between keyboards (#1609)
* include variables and .h files as pp directives * start layout compilation * split ergodoxes up * don't compile all layouts for everything * might seg fault * reset layouts variable * actually reset layouts * include rules.mk instead * remove includes from rules.mk * update variable setting * load visualizer from path * adds some more examples * adds more layouts * more boards added * more boards added * adds documentation for layouts * use lowercase names for LAYOUT_ * add layout.json files for each layout * add community folder, default keymaps for layouts * touch-up default layouts * touch-up layouts, some keyboard rules.mk * update documentation for layouts * fix up serial/i2c switches
Diffstat (limited to 'keyboards/ergodone/expander.h')
-rw-r--r--keyboards/ergodone/expander.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/keyboards/ergodone/expander.h b/keyboards/ergodone/expander.h
new file mode 100644
index 000000000..8676fed69
--- /dev/null
+++ b/keyboards/ergodone/expander.h
@@ -0,0 +1,48 @@
+#ifndef EXPANDER_H
+#define EXPANDER_H
+
+#include <stdint.h>
+#include "matrix.h"
+
+#define MCP23017
+#define MCP23017_A0 0
+#define MCP23017_A1 0
+#define MCP23017_A2 0
+
+#ifdef MCP23017
+#define EXPANDER_ADDR ((0x20|(MCP23017_A0<<0)|(MCP23017_A1<<1)|(MCP23017_A2<<2)) << 1)
+enum EXPANDER_REG_BANK0 {
+ EXPANDER_REG_IODIRA = 0,
+ EXPANDER_REG_IODIRB,
+ EXPANDER_REG_IPOLA,
+ EXPANDER_REG_IPOLB,
+ EXPANDER_REG_GPINTENA,
+ EXPANDER_REG_GPINTENB,
+ EXPANDER_REG_DEFVALA,
+ EXPANDER_REG_DEFVALB,
+ EXPANDER_REG_INTCONA,
+ EXPANDER_REG_INTCONB,
+ EXPANDER_REG_IOCONA,
+ EXPANDER_REG_IOCONB,
+ EXPANDER_REG_GPPUA,
+ EXPANDER_REG_GPPUB,
+ EXPANDER_REG_INTFA,
+ EXPANDER_REG_INTFB,
+ EXPANDER_REG_INTCAPA,
+ EXPANDER_REG_INTCAPB,
+ EXPANDER_REG_GPIOA,
+ EXPANDER_REG_GPIOB,
+ EXPANDER_REG_OLATA,
+ EXPANDER_REG_OLATB
+};
+#endif
+
+void expander_init(void);
+void expander_scan(void);
+void expander_read_cols(void);
+uint8_t expander_get_col(uint8_t col);
+matrix_row_t expander_read_row(void);
+void expander_unselect_rows(void);
+void expander_select_row(uint8_t row);
+
+#endif