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