diff options
Diffstat (limited to 'keyboards/hotdox/left.h')
| -rw-r--r-- | keyboards/hotdox/left.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/keyboards/hotdox/left.h b/keyboards/hotdox/left.h new file mode 100644 index 000000000..3d8b5a6ea --- /dev/null +++ b/keyboards/hotdox/left.h @@ -0,0 +1,57 @@ +#pragma once + +#include "quantum.h" +#include <stdint.h> +#include "i2c_master.h" +#include <util/delay.h> + +#define MCP23017 +#define MCP23017_A0 0 +#define MCP23017_A1 0 +#define MCP23017_A2 0 + +#define I2C_ADDR (0x20) +#define I2C_ADDR_WRITE ((I2C_ADDR << 1) | I2C_WRITE) +#define I2C_ADDR_READ ((I2C_ADDR << 1) | I2C_READ) + + +#define MCP23017_B0_IODIRA 0x00 +#define MCP23017_B0_IODIRB 0x01 +#define MCP23017_B0_IPOLA 0x02 +#define MCP23017_B0_IPOLB 0x03 +#define MCP23017_B0_GPINTENA 0x04 +#define MCP23017_B0_GPINTENB 0x05 +#define MCP23017_B0_DEFVALA 0x06 +#define MCP23017_B0_DEFVALB 0x07 +#define MCP23017_B0_INTCONA 0x08 +#define MCP23017_B0_INTCONB 0x09 +#define MCP23017_B0_IOCONA 0x0A +#define MCP23017_B0_IOCONB 0x0B +#define MCP23017_B0_GPPUA 0x0C +#define MCP23017_B0_GPPUB 0x0D +#define MCP23017_B0_INTFA 0x0E +#define MCP23017_B0_INTFB 0x0F +#define MCP23017_B0_INTCAPA 0x10 +#define MCP23017_B0_INTCAPB 0x11 +#define MCP23017_B0_GPIOA 0x12 +#define MCP23017_B0_GPIOB 0x13 +#define MCP23017_B0_OLATA 0x14 +#define MCP23017_B0_OLATB 0x15 + +#define HOTDOX_I2C_TIMEOUT 100 + +typedef int16_t i2c_status_t; + +void left_init(void); +void left_scan(void); + +uint8_t left_read_cols(void); +uint8_t left_get_col(uint8_t col); + +matrix_row_t left_read_row(void); + +void left_unselect_rows(void); +void left_select_row(uint8_t row); + +uint8_t init_mcp23017(void); + |