// Copyright (c) 2018 Cirque Corp. Restrictions apply. See: www.cirque.com/sw-license #include "cirque_pinnacle.h" #include "i2c_master.h" #include "print.h" #include "debug.h" #include "stdio.h" // Masks for Cirque Register Access Protocol (RAP) #define WRITE_MASK 0x80 #define READ_MASK 0xA0 extern bool touchpad_init; /* RAP Functions */ // Reads <count> Pinnacle registers starting at <address> void RAP_ReadBytes(uint8_t address, uint8_t* data, uint8_t count) { uint8_t cmdByte = READ_MASK | address; // Form the READ command byte if (touchpad_init) { i2c_writeReg(CIRQUE_PINNACLE_ADDR << 1, cmdByte, NULL, 0, CIRQUE_PINNACLE_TIMEOUT); if (i2c_readReg(CIRQUE_PINNACLE_ADDR << 1, cmdByte, data, count, CIRQUE_PINNACLE_TIMEOUT) != I2C_STATUS_SUCCESS) { #ifdef CONSOLE_ENABLE dprintf("error right touchpad\n"); #endif touchpad_init = false; } i2c_stop(); } } // Writes single-byte <data> to <address> void RAP_Write(uint8_t address, uint8_t data) { uint8_t cmdByte = WRITE_MASK | address; // Form the WRITE command byte if (touchpad_init) { if (i2c_writeReg(CIRQUE_PINNACLE_ADDR << 1, cmdByte, &data, sizeof(data), CIRQUE_PINNACLE_TIMEOUT) != I2C_STATUS_SUCCESS) { #ifdef CONSOLE_ENABLE dprintf("error right touchpad\n"); #endif touchpad_init = false; } i2c_stop(); } }