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#ifdef ISSI_ENABLE
#ifndef ISSI_H
#define ISSI_H
typedef struct ISSIDeviceStruct{
uint8_t fn_dirty; // function registers need to be resent
uint8_t fn_device_addr;
uint8_t fn_register_addr;
uint8_t fn_registers[13];
uint8_t led_dirty; // LED data has changed and needs to be resent
uint8_t led_device_addr;
uint8_t led_register_addr;
uint8_t led_ctrl[18];
uint8_t led_blink_ctrl[18];
uint8_t led_pwm[144];
}ISSIDeviceStruct;
extern ISSIDeviceStruct *issi_devices[];
// Low level commands- 'device' is the 2-bit i2c id.
void issi_init(void);
void set_shutdown(uint8_t device, uint8_t shutdown);
void writeRegister8(uint8_t device, uint8_t frame, uint8_t reg, uint8_t data);
// Higher level, no device is given, but it is calculated from 'matrix'
// Each device has 2 blocks, max of 4 devices:
// Device | Block = Matrix
// 0 A 0
// 0 B 1
// 1 A 2
// 1 B 3
// 2 A 4
// 2 B 5
// 3 A 6
// 3 B 7
void activateLED(uint8_t matrix, uint8_t cx, uint8_t cy, uint8_t pwm);
void update_issi(uint8_t device_addr, uint8_t blocking);
#endif
#endif
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