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rt-thread-official/bsp/ls1cdev/libraries/ls1c_spi.h

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增加龙芯1c的硬件SPI相关接口
2017-10-23 17:10:48 +08:00
/*
* File : ls1c_spi.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2017-10-23 <EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD> first version
*/
// Ӳ<><D3B2>spi<70>ӿڵ<D3BF>ͷ<EFBFBD>ļ<EFBFBD>
#ifndef __OPENLOONGSON_SPI_H
#define __OPENLOONGSON_SPI_H
// SPIģ<49><C4A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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#define LS1C_SPI_0 (0)
#define LS1C_SPI_1 (1)
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// Ƭѡ
#define LS1C_SPI_CS_0 (0)
#define LS1C_SPI_CS_1 (1)
#define LS1C_SPI_CS_2 (2)
#define LS1C_SPI_CS_3 (3)
// ʱ<>Ӽ<EFBFBD><D3BC>Ժ<EFBFBD><D4BA><EFBFBD>λ
#define SPI_CPOL_1 (1)
#define SPI_CPOL_0 (0)
#define SPI_CPHA_1 (1)
#define SPI_CPHA_0 (0)
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// <20>Ĵ<EFBFBD><C4B4><EFBFBD>ƫ<EFBFBD><C6AB>
#define LS1C_SPI_SPCR_OFFSET (0) // <20><><EFBFBD>ƼĴ<C6BC><C4B4><EFBFBD>
#define LS1C_SPI_SPSR_OFFSET (1) // ״̬<D7B4>Ĵ<EFBFBD><C4B4><EFBFBD>
#define LS1C_SPI_TxFIFO_OFFSET (2) // <20><><EFBFBD>͵<EFBFBD><CDB5><EFBFBD><EFBFBD>ݼĴ<DDBC><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݼĴ<DDBC><C4B4><EFBFBD><EFBFBD><EFBFBD>ƫ<EFBFBD><C6AB><EFBFBD><EFBFBD>ͬ
#define LS1C_SPI_RxFIFO_OFFSET (2) // <20><><EFBFBD>յ<EFBFBD><D5B5><EFBFBD><EFBFBD>ݼĴ<DDBC><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뷢<EFBFBD><EBB7A2><EFBFBD><EFBFBD><EFBFBD>ݼĴ<DDBC><C4B4><EFBFBD><EFBFBD><EFBFBD>ƫ<EFBFBD><C6AB><EFBFBD><EFBFBD>ͬ
#define LS1C_SPI_SPER_OFFSET (3) // <20>ⲿ<EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD>
#define LS1C_SPI_SFC_PARAM_OFFSET (4) // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƼĴ<C6BC><C4B4><EFBFBD>
#define LS1C_SPI_SFC_SOFTCS_OFFSET (5) // Ƭѡ<C6AC><D1A1><EFBFBD>ƼĴ<C6BC><C4B4><EFBFBD>
#define LS1C_SPI_SFC_TIMING_OFFSET (6) // ʱ<><CAB1><EFBFBD><EFBFBD><EFBFBD>ƼĴ<C6BC><C4B4><EFBFBD>
// <20>Ĵ<EFBFBD><C4B4><EFBFBD>SPCR<43>е<EFBFBD>λ<EFBFBD><CEBB>
#define LS1C_SPI_SPCR_SPIE_BIT (7)
#define LS1C_SPI_SPCR_SPIE_MASK (0x01 << LS1C_SPI_SPCR_SPIE_BIT)
#define LS1C_SPI_SPCR_SPE_BIT (6)
#define LS1C_SPI_SPCR_SPE_MASK (0x01 << LS1C_SPI_SPCR_SPE_BIT)
#define LS1C_SPI_SPCR_CPOL_BIT (3)
#define LS1C_SPI_SPCR_CPOL_MASK (0x01 << LS1C_SPI_SPCR_CPOL_BIT)
#define LS1C_SPI_SPCR_CPHA_BIT (2)
#define LS1C_SPI_SPCR_CPHA_MASK (0x01 << LS1C_SPI_SPCR_CPHA_BIT)
#define LS1C_SPI_SPCR_SPR_BIT (0)
#define LS1C_SPI_SPCR_SPR_MASK (0x03 << LS1C_SPI_SPCR_SPR_BIT)
// <20>Ĵ<EFBFBD><C4B4><EFBFBD>SPSR<53>е<EFBFBD>λ<EFBFBD><CEBB>
#define LS1C_SPI_SPSR_SPIF_BIT (7)
#define LS1C_SPI_SPSR_SPIF_MASK (0x01 << LS1C_SPI_SPSR_SPIF_BIT)
#define LS1C_SPI_SPSR_WCOL_BIT (6)
#define LS1C_SPI_SPSR_WCOL_MASK (0x01 << LS1C_SPI_SPSR_WCOL_BIT)
// <20>Ĵ<EFBFBD><C4B4><EFBFBD>SPER<45>е<EFBFBD>λ<EFBFBD><CEBB>
#define LS1C_SPI_SPER_SPRE_BIT (0)
#define LS1C_SPI_SPER_SPRE_MASK (0x3 << LS1C_SPI_SPER_SPRE_BIT)
// <20>Ĵ<EFBFBD><C4B4><EFBFBD>SFC_SOFTCS<43><53>λ<EFBFBD><CEBB>
#define LS1C_SPI_SFC_SOFTCS_CSN_BIT (4)
#define LS1C_SPI_SFC_SOFTCS_CSN_MASK (0x0f << LS1C_SPI_SFC_SOFTCS_CSN_BIT)
#define LS1C_SPI_SFC_SOFTCS_CSEN_BIT (0)
#define LS1C_SPI_SFC_SOFTCS_CSEN_MASK (0x0f << LS1C_SPI_SFC_SOFTCS_CSEN_BIT)
// <20><><EFBFBD>ͳ<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
#define LS1C_SPI_TX_TIMEOUT (20000)
增加龙芯1c的硬件SPI相关接口
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把龙芯1c的SPI接口改为RTT统一的SPI接口
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/*
* <EFBFBD><EFBFBD>ȡָ<EFBFBD><EFBFBD>SPIģ<EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD><EFBFBD>ַ
* @SPIx SPIģ<EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><EFBFBD><EFBFBD>
*/
inline void *ls1c_spi_get_base(unsigned char SPIx);
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/*
把龙芯1c的SPI接口改为RTT统一的SPI接口
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
* @spi_base <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
* @max_hz <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD>ʣ<EFBFBD><EFBFBD><EFBFBD>λhz
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*/
把龙芯1c的SPI接口改为RTT统一的SPI接口
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void ls1c_spi_set_clock(void *spi_base, unsigned long max_hz);
/*
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD>ģʽ(ʱ<EFBFBD>Ӽ<EFBFBD><EFBFBD>Ժ<EFBFBD><EFBFBD><EFBFBD>λ)
* @spi_base <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
* @cpol ʱ<EFBFBD>Ӽ<EFBFBD><EFBFBD><EFBFBD>
* @cpha ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ
*/
void ls1c_spi_set_mode(void *spi_base, unsigned char cpol, unsigned char cpha);
增加龙芯1c的硬件SPI相关接口
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/*
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>ƬѡΪָ<EFBFBD><EFBFBD>״̬
把龙芯1c的SPI接口改为RTT统一的SPI接口
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* @spi_base <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
* @cs Ƭѡ
增加龙芯1c的硬件SPI相关接口
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* @new_status Ƭѡ<EFBFBD><EFBFBD><EFBFBD>ŵ<EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD>ȡֵΪ0<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߵ<EFBFBD>ƽ<EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD>ƽ
*/
把龙芯1c的SPI接口改为RTT统一的SPI接口
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void ls1c_spi_set_cs(void *spi_base, unsigned char cs, int new_status);
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/*
* ͨ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>SPI<EFBFBD><EFBFBD><EFBFBD>ͽ<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD>
* ע<EFBFBD>⣬<EFBFBD>ڶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD>У<EFBFBD><EFBFBD>˺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>⡣
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD>ں<EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD>շ<EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD>ֽڵĹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܱ<EFBFBD><EFBFBD>л<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬһ<EFBFBD><EFBFBD>SPI<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵĴ<EFBFBD><EFBFBD>豸ͨ<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>о1c<EFBFBD><EFBFBD>ÿ·SPI<EFBFBD>Ͽ<EFBFBD><EFBFBD>ܽ<EFBFBD><EFBFBD>в<EFBFBD>ͬ<EFBFBD>Ĵ<EFBFBD><EFBFBD>豸<EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD>Ƶ<EFBFBD>ʡ<EFBFBD>ģʽ<EFBFBD>ȿ<EFBFBD><EFBFBD>ܲ<EFBFBD>ͬ
把龙芯1c的SPI接口改为RTT统一的SPI接口
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* @spi_base <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
增加龙芯1c的硬件SPI相关接口
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* @tx_ch <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @ret <EFBFBD>յ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
把龙芯1c的SPI接口改为RTT统一的SPI接口
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unsigned char ls1c_spi_txrx_byte(void *spi_base, unsigned char tx_ch);
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/*
* <EFBFBD><EFBFBD>ӡָ<EFBFBD><EFBFBD>SPIģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>мĴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
把龙芯1c的SPI接口改为RTT统一的SPI接口
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* @spi_base <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
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*/
把龙芯1c的SPI接口改为RTT统一的SPI接口
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void ls1c_spi_print_all_regs_info(void *spi_base);
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#endif