mirror of https://github.com/FOME-Tech/fome-fw.git
294 lines
7.1 KiB
C++
Executable File
294 lines
7.1 KiB
C++
Executable File
/**
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*
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* \file
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*
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* \brief This module contains NMC1000 bus APIs implementation.
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*
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* Copyright (c) 2016-2018 Microchip Technology Inc. and its subsidiaries.
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*
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* \asf_license_start
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*
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* \page License
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*
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* Subject to your compliance with these terms, you may use Microchip
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* software and any derivatives exclusively with Microchip products.
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* It is your responsibility to comply with third party license terms applicable
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* to your use of third party software (including open source software) that
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* may accompany Microchip software.
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*
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* THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
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* WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
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* INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
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* AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
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* LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
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* LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
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* SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
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* POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
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* ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
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* RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
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* THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
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*
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* \asf_license_stop
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*
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*/
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#ifndef CORTUS_APP
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#include "nmbus.h"
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#include "nmi2c.h"
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#include "nmspi.h"
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#include "nmuart.h"
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#define MAX_TRX_CFG_SZ 8
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/**
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* @fn nm_bus_iface_init
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* @brief Initialize bus interface
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* @return M2M_SUCCESS in case of success and M2M_ERR_BUS_FAIL in case of failure
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* @author M. Abdelmawla
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* @date 11 July 2012
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* @version 1.0
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*/
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sint8 nm_bus_iface_init(void *pvInitVal)
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{
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sint8 ret = M2M_SUCCESS;
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ret = nm_bus_init(pvInitVal);
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return ret;
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}
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/**
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* @fn nm_bus_iface_deinit
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* @brief Deinitialize bus interface
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* @return M2M_SUCCESS in case of success and M2M_ERR_BUS_FAIL in case of failure
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* @author Samer Sarhan
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* @date 07 April 2014
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* @version 1.0
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*/
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sint8 nm_bus_iface_deinit(void)
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{
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sint8 ret = M2M_SUCCESS;
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ret = nm_bus_deinit();
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return ret;
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}
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/**
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* @fn nm_bus_reset
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* @brief reset bus interface
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* @return M2M_SUCCESS in case of success and M2M_ERR_BUS_FAIL in case of failure
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* @version 1.0
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*/
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sint8 nm_bus_reset(void)
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{
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sint8 ret = M2M_SUCCESS;
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#ifdef CONF_WINC_USE_UART
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#elif defined (CONF_WINC_USE_SPI)
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return nm_spi_reset();
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#elif defined (CONF_WINC_USE_I2C)
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#else
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#error "Please define bus usage"
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#endif
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return ret;
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}
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/**
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* @fn nm_bus_iface_reconfigure
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* @brief reconfigure bus interface
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* @return M2M_SUCCESS in case of success and M2M_ERR_BUS_FAIL in case of failure
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* @author Viswanathan Murugesan
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* @date 22 Oct 2014
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* @version 1.0
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*/
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sint8 nm_bus_iface_reconfigure(void* ptr)
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{
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sint8 ret = M2M_SUCCESS;
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#ifdef CONF_WINC_USE_UART
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ret = nm_uart_reconfigure(ptr);
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#else
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(void)ptr;
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#endif
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return ret;
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}
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/*
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* @fn nm_read_reg
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* @brief Read register
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* @param [in] u32Addr
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* Register address
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* @return Register value
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* @author M. Abdelmawla
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* @date 11 July 2012
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* @version 1.0
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*/
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uint32 nm_read_reg(uint32 u32Addr)
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{
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#ifdef CONF_WINC_USE_UART
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return nm_uart_read_reg(u32Addr);
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#elif defined (CONF_WINC_USE_SPI)
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return nm_spi_read_reg(u32Addr);
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#elif defined (CONF_WINC_USE_I2C)
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return nm_i2c_read_reg(u32Addr);
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#else
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#error "Please define bus usage"
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#endif
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}
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/*
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* @fn nm_read_reg_with_ret
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* @brief Read register with error code return
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* @param [in] u32Addr
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* Register address
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* @param [out] pu32RetVal
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* Pointer to u32 variable used to return the read value
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* @return M2M_SUCCESS in case of success and M2M_ERR_BUS_FAIL in case of failure
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* @author M. Abdelmawla
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* @date 11 July 2012
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* @version 1.0
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*/
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sint8 nm_read_reg_with_ret(uint32 u32Addr, uint32* pu32RetVal)
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{
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#ifdef CONF_WINC_USE_UART
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return nm_uart_read_reg_with_ret(u32Addr,pu32RetVal);
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#elif defined (CONF_WINC_USE_SPI)
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return nm_spi_read_reg_with_ret(u32Addr,pu32RetVal);
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#elif defined (CONF_WINC_USE_I2C)
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return nm_i2c_read_reg_with_ret(u32Addr,pu32RetVal);
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#else
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#error "Please define bus usage"
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#endif
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}
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/*
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* @fn nm_write_reg
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* @brief write register
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* @param [in] u32Addr
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* Register address
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* @param [in] u32Val
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* Value to be written to the register
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* @return M2M_SUCCESS in case of success and M2M_ERR_BUS_FAIL in case of failure
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* @author M. Abdelmawla
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* @date 11 July 2012
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* @version 1.0
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*/
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sint8 nm_write_reg(uint32 u32Addr, uint32 u32Val)
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{
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#ifdef CONF_WINC_USE_UART
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return nm_uart_write_reg(u32Addr,u32Val);
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#elif defined (CONF_WINC_USE_SPI)
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return nm_spi_write_reg(u32Addr,u32Val);
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#elif defined (CONF_WINC_USE_I2C)
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return nm_i2c_write_reg(u32Addr,u32Val);
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#else
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#error "Please define bus usage"
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#endif
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}
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static sint8 p_nm_read_block(uint32 u32Addr, uint8 *puBuf, uint16 u16Sz)
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{
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#ifdef CONF_WINC_USE_UART
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return nm_uart_read_block(u32Addr,puBuf,u16Sz);
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#elif defined (CONF_WINC_USE_SPI)
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return nm_spi_read_block(u32Addr,puBuf,u16Sz);
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#elif defined (CONF_WINC_USE_I2C)
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return nm_i2c_read_block(u32Addr,puBuf,u16Sz);
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#else
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#error "Please define bus usage"
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#endif
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}
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/*
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* @fn nm_read_block
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* @brief Read block of data
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* @param [in] u32Addr
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* Start address
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* @param [out] puBuf
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* Pointer to a buffer used to return the read data
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* @param [in] u32Sz
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* Number of bytes to read. The buffer size must be >= u32Sz
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* @return M2M_SUCCESS in case of success and M2M_ERR_BUS_FAIL in case of failure
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* @author M. Abdelmawla
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* @date 11 July 2012
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* @version 1.0
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*/
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sint8 nm_read_block(uint32 u32Addr, uint8 *puBuf, uint32 u32Sz)
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{
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uint16 u16MaxTrxSz = egstrNmBusCapabilities.u16MaxTrxSz - MAX_TRX_CFG_SZ;
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uint32 off = 0;
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sint8 s8Ret = M2M_SUCCESS;
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for(;;)
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{
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if(u32Sz <= u16MaxTrxSz)
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{
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s8Ret += p_nm_read_block(u32Addr, &puBuf[off], (uint16)u32Sz);
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break;
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}
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else
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{
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s8Ret += p_nm_read_block(u32Addr, &puBuf[off], u16MaxTrxSz);
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if(M2M_SUCCESS != s8Ret) break;
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u32Sz -= u16MaxTrxSz;
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off += u16MaxTrxSz;
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u32Addr += u16MaxTrxSz;
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}
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}
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return s8Ret;
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}
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static sint8 p_nm_write_block(uint32 u32Addr, uint8 *puBuf, uint16 u16Sz)
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{
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#ifdef CONF_WINC_USE_UART
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return nm_uart_write_block(u32Addr,puBuf,u16Sz);
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#elif defined (CONF_WINC_USE_SPI)
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return nm_spi_write_block(u32Addr,puBuf,u16Sz);
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#elif defined (CONF_WINC_USE_I2C)
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return nm_i2c_write_block(u32Addr,puBuf,u16Sz);
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#else
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#error "Please define bus usage"
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#endif
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}
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/**
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* @fn nm_write_block
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* @brief Write block of data
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* @param [in] u32Addr
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* Start address
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* @param [in] puBuf
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* Pointer to the buffer holding the data to be written
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* @param [in] u32Sz
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* Number of bytes to write. The buffer size must be >= u32Sz
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* @return M2M_SUCCESS in case of success and M2M_ERR_BUS_FAIL in case of failure
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* @author M. Abdelmawla
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* @date 11 July 2012
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* @version 1.0
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*/
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sint8 nm_write_block(uint32 u32Addr, uint8 *puBuf, uint32 u32Sz)
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{
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uint16 u16MaxTrxSz = egstrNmBusCapabilities.u16MaxTrxSz - MAX_TRX_CFG_SZ;
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uint32 off = 0;
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sint8 s8Ret = M2M_SUCCESS;
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for(;;)
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{
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if(u32Sz <= u16MaxTrxSz)
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{
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s8Ret += p_nm_write_block(u32Addr, &puBuf[off], (uint16)u32Sz);
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break;
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}
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else
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{
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s8Ret += p_nm_write_block(u32Addr, &puBuf[off], u16MaxTrxSz);
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if(M2M_SUCCESS != s8Ret) break;
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u32Sz -= u16MaxTrxSz;
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off += u16MaxTrxSz;
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u32Addr += u16MaxTrxSz;
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}
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}
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return s8Ret;
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}
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#endif
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