#pragma once #include #ifndef F_CPU #define F_CPU 16000000UL #endif #define I2C_READ 1 #define I2C_WRITE 0 #define I2C_ACK 1 #define I2C_NACK 0 // Address location defines (Keymap should be last, as it's size is dynamic) #define I2C_BACKLIT_START 0x00 // Need 4 bytes for RGB (32 bit) #define I2C_RGB_START 0x01 #define I2C_KEYMAP_START 0x06 // Slave buffer (8bit per) // Rows per hand + backlit space + rgb space // TODO : Make this dynamically sized #define SLAVE_BUFFER_SIZE 0x20 // i2c SCL clock frequency #ifndef SCL_CLOCK #define SCL_CLOCK 100000L #endif // Support 8bits right now (8 cols) will need to edit to take higher (code exists in delta split?) 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_write_data(void *const TXdata, uint8_t dataLen); 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(); ing-4.0'>summaryrefslogtreecommitdiffstats
path: root/tools/ioemu/hw/usb-msd.c
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