/* * Copyright 2022 NXP * All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #include "touchpad.h" void BOARD_LPI2C_Init(LPI2C_Type *base, uint32_t clkSrc_Hz) { lpi2c_master_config_t lpi2cConfig = {0}; /* * lpi2cConfig.debugEnable = false; * lpi2cConfig.ignoreAck = false; * lpi2cConfig.pinConfig = kLPI2C_2PinOpenDrain; * lpi2cConfig.baudRate_Hz = 100000U; * lpi2cConfig.busIdleTimeout_ns = 0; * lpi2cConfig.pinLowTimeout_ns = 0; * lpi2cConfig.sdaGlitchFilterWidth_ns = 0; * lpi2cConfig.sclGlitchFilterWidth_ns = 0; */ LPI2C_MasterGetDefaultConfig(&lpi2cConfig); LPI2C_MasterInit(base, &lpi2cConfig, clkSrc_Hz); } status_t BOARD_LPI2C_Send(LPI2C_Type *base, uint8_t deviceAddress, uint32_t subAddress, uint8_t subAddressSize, uint8_t *txBuff, uint8_t txBuffSize) { lpi2c_master_transfer_t xfer; xfer.flags = kLPI2C_TransferDefaultFlag; xfer.slaveAddress = deviceAddress; xfer.direction = kLPI2C_Write; xfer.subaddress = subAddress; xfer.subaddressSize = subAddressSize; xfer.data = txBuff; xfer.dataSize = txBuffSize; return LPI2C_MasterTransferBlocking(base, &xfer); } status_t BOARD_LPI2C_Receive(LPI2C_Type *base, uint8_t deviceAddress, uint32_t subAddress, uint8_t subAddressSize, uint8_t *rxBuff, uint8_t rxBuffSize) { lpi2c_master_transfer_t xfer; xfer.flags = kLPI2C_TransferDefaultFlag; xfer.slaveAddress = deviceAddress; xfer.direction = kLPI2C_Read; xfer.subaddress = subAddress; xfer.subaddressSize = subAddressSize; xfer.data = rxBuff; xfer.dataSize = rxBuffSize; return LPI2C_MasterTransferBlocking(base, &xfer); } status_t BOARD_LPI2C_SendSCCB(LPI2C_Type *base, uint8_t deviceAddress, uint32_t subAddress, uint8_t subAddressSize, uint8_t *txBuff, uint8_t txBuffSize) { lpi2c_master_transfer_t xfer; xfer.flags = kLPI2C_TransferDefaultFlag; xfer.slaveAddress = deviceAddress; xfer.direction = kLPI2C_Write; xfer.subaddress = subAddress; xfer.subaddressSize = subAddressSize; xfer.data = txBuff; xfer.dataSize = txBuffSize; return LPI2C_MasterTransferBlocking(base, &xfer); } status_t BOARD_LPI2C_ReceiveSCCB(LPI2C_Type *base, uint8_t deviceAddress, uint32_t subAddress, uint8_t subAddressSize, uint8_t *rxBuff, uint8_t rxBuffSize) { status_t status; lpi2c_master_transfer_t xfer; xfer.flags = kLPI2C_TransferDefaultFlag; xfer.slaveAddress = deviceAddress; xfer.direction = kLPI2C_Write; xfer.subaddress = subAddress; xfer.subaddressSize = subAddressSize; xfer.data = NULL; xfer.dataSize = 0; status = LPI2C_MasterTransferBlocking(base, &xfer); if (kStatus_Success == status) { xfer.subaddressSize = 0; xfer.direction = kLPI2C_Read; xfer.data = rxBuff; xfer.dataSize = rxBuffSize; status = LPI2C_MasterTransferBlocking(base, &xfer); } return status; } status_t BOARD_Touch_I2C_Send( uint8_t deviceAddress, uint32_t subAddress, uint8_t subAddressSize, const uint8_t *txBuff, uint8_t txBuffSize) { return BOARD_LPI2C_Send(BOARD_TOUCH_I2C_BASEADDR, deviceAddress, subAddress, subAddressSize, (uint8_t *)txBuff, txBuffSize); } status_t BOARD_Touch_I2C_Receive( uint8_t deviceAddress, uint32_t subAddress, uint8_t subAddressSize, uint8_t *rxBuff, uint8_t rxBuffSize) { return BOARD_LPI2C_Receive(BOARD_TOUCH_I2C_BASEADDR, deviceAddress, subAddress, subAddressSize, rxBuff, rxBuffSize); }