mirror of
https://github.com/openstenoproject/qmk
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d2ff66a985
* 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
48 lines
1 KiB
C
48 lines
1 KiB
C
#ifndef EXPANDER_H
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#define EXPANDER_H
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#include <stdint.h>
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#include "matrix.h"
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#define MCP23017
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#define MCP23017_A0 0
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#define MCP23017_A1 0
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#define MCP23017_A2 0
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#ifdef MCP23017
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#define EXPANDER_ADDR ((0x20|(MCP23017_A0<<0)|(MCP23017_A1<<1)|(MCP23017_A2<<2)) << 1)
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enum EXPANDER_REG_BANK0 {
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EXPANDER_REG_IODIRA = 0,
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EXPANDER_REG_IODIRB,
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EXPANDER_REG_IPOLA,
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EXPANDER_REG_IPOLB,
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EXPANDER_REG_GPINTENA,
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EXPANDER_REG_GPINTENB,
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EXPANDER_REG_DEFVALA,
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EXPANDER_REG_DEFVALB,
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EXPANDER_REG_INTCONA,
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EXPANDER_REG_INTCONB,
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EXPANDER_REG_IOCONA,
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EXPANDER_REG_IOCONB,
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EXPANDER_REG_GPPUA,
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EXPANDER_REG_GPPUB,
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EXPANDER_REG_INTFA,
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EXPANDER_REG_INTFB,
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EXPANDER_REG_INTCAPA,
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EXPANDER_REG_INTCAPB,
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EXPANDER_REG_GPIOA,
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EXPANDER_REG_GPIOB,
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EXPANDER_REG_OLATA,
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EXPANDER_REG_OLATB
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};
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#endif
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void expander_init(void);
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void expander_scan(void);
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void expander_read_cols(void);
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uint8_t expander_get_col(uint8_t col);
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matrix_row_t expander_read_row(void);
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void expander_unselect_rows(void);
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void expander_select_row(uint8_t row);
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#endif
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