/********************************************************************************************************************* * COPYRIGHT NOTICE * Copyright (c) 2020,逐飞科技 * All rights reserved. * 技术讨论QQ群：三群：824575535 * * 以下所有内容版权均属逐飞科技所有，未经允许不得用于商业用途， * 欢迎各位使用并传播本程序，修改内容时必须保留逐飞科技的版权声明。 * * @file spi * @company 成都逐飞科技有限公司 * @author 逐飞科技(QQ3184284598) * @version 查看doc内version文件 版本说明 * @Software ADS v1.2.2 * @Target core TC264D * @Taobao https://seekfree.taobao.com/ * @date 2020-3-23 ********************************************************************************************************************/ #include "IFXQSPI_REGDEF.h" #include "IfxQspi_SpiMaster.h" #include "IfxQspi.h" #include "zf_assert.h" #include "zf_spi.h" #define MAX_BAUD 50000000 void spi_mux(SPIN_enum spi_n, SPI_PIN_enum sck_pin, SPI_PIN_enum mosi_pin, SPI_PIN_enum miso_pin, SPI_PIN_enum cs_pin, IfxQspi_SpiMaster_Pins *set_pin, IfxQspi_SpiMaster_Output *set_cs) { set_pin->mrstMode = IfxPort_InputMode_pullDown; set_pin->mtsrMode = IfxPort_OutputMode_pushPull; set_pin->sclkMode = IfxPort_OutputMode_pushPull; set_pin->pinDriver = IfxPort_PadDriver_cmosAutomotiveSpeed1; set_cs->driver = IfxPort_PadDriver_cmosAutomotiveSpeed1; set_cs->mode = IfxPort_OutputMode_pushPull; switch(spi_n) { case SPI_0: { if (SPI0_SCLK_P20_11 == sck_pin) set_pin->sclk = &IfxQspi0_SCLK_P20_11_OUT; else if (SPI0_SCLK_P20_13 == sck_pin) set_pin->sclk = &IfxQspi0_SCLK_P20_13_OUT; else ZF_ASSERT(FALSE); if (SPI0_MOSI_P20_12 == mosi_pin) set_pin->mtsr = &IfxQspi0_MTSR_P20_12_OUT; else if (SPI0_MOSI_P20_14 == mosi_pin) set_pin->mtsr = &IfxQspi0_MTSR_P20_14_OUT; else ZF_ASSERT(FALSE); if (SPI0_MISO_P20_12 == miso_pin) set_pin->mrst = &IfxQspi0_MRSTA_P20_12_IN; else ZF_ASSERT(FALSE); if (SPI0_CS0_P20_8 == cs_pin) set_cs->pin = &IfxQspi0_SLSO0_P20_8_OUT; else if (SPI0_CS1_P20_9 == cs_pin) set_cs->pin = &IfxQspi0_SLSO1_P20_9_OUT; else if (SPI0_CS2_P20_13 == cs_pin) set_cs->pin = &IfxQspi0_SLSO2_P20_13_OUT; else if (SPI0_CS3_P11_10 == cs_pin) set_cs->pin = &IfxQspi0_SLSO3_P11_10_OUT; else if (SPI0_CS4_P11_11 == cs_pin) set_cs->pin = &IfxQspi0_SLSO4_P11_11_OUT; else if (SPI0_CS5_P11_2 == cs_pin) set_cs->pin = &IfxQspi0_SLSO5_P11_2_OUT; else if (SPI0_CS6_P20_10 == cs_pin) set_cs->pin = &IfxQspi0_SLSO6_P20_10_OUT; else if (SPI0_CS7_P33_5 == cs_pin) set_cs->pin = &IfxQspi0_SLSO7_P33_5_OUT; else if (SPI0_CS8_P20_6 == cs_pin) set_cs->pin = &IfxQspi0_SLSO8_P20_6_OUT; else if (SPI0_CS9_P20_3 == cs_pin) set_cs->pin = &IfxQspi0_SLSO9_P20_3_OUT; else if (SPI0_CS13_P15_0 == cs_pin) set_cs->pin = &IfxQspi0_SLSO13_P15_0_OUT; else ZF_ASSERT(FALSE); }break; case SPI_1: { if (SPI1_SCLK_P10_2 == sck_pin) set_pin->sclk = &IfxQspi1_SCLK_P10_2_OUT; else if (SPI1_SCLK_P11_6 == sck_pin) set_pin->sclk = &IfxQspi1_SCLK_P11_6_OUT; else ZF_ASSERT(FALSE); if (SPI1_MOSI_P10_1 == mosi_pin) set_pin->mtsr = &IfxQspi1_MTSR_P10_1_OUT; else if (SPI1_MOSI_P10_3 == mosi_pin) set_pin->mtsr = &IfxQspi1_MTSR_P10_3_OUT; else if (SPI1_MOSI_P10_4 == mosi_pin) set_pin->mtsr = &IfxQspi1_MTSR_P10_4_OUT; else if (SPI1_MOSI_P11_9 == mosi_pin) set_pin->mtsr = &IfxQspi1_MTSR_P11_9_OUT; else ZF_ASSERT(FALSE); if (SPI1_MISO_P10_1 == miso_pin) set_pin->mrst = &IfxQspi1_MRSTA_P10_1_IN; else if (SPI1_MISO_P11_3 == miso_pin) set_pin->mrst = &IfxQspi1_MRSTB_P11_3_IN; else ZF_ASSERT(FALSE); if (SPI1_CS0_P20_8 == cs_pin) set_cs->pin = &IfxQspi1_SLSO0_P20_8_OUT; else if (SPI1_CS1_P20_9 == cs_pin) set_cs->pin = &IfxQspi1_SLSO1_P20_9_OUT; else if (SPI1_CS2_P20_13 == cs_pin) set_cs->pin = &IfxQspi1_SLSO2_P20_13_OUT; else if (SPI1_CS3_P11_10 == cs_pin) set_cs->pin = &IfxQspi1_SLSO3_P11_10_OUT; else if (SPI1_CS4_P11_11 == cs_pin) set_cs->pin = &IfxQspi1_SLSO4_P11_11_OUT; else if (SPI1_CS5_P11_2 == cs_pin) set_cs->pin = &IfxQspi1_SLSO5_P11_2_OUT; else if (SPI1_CS6_P33_10 == cs_pin) set_cs->pin = &IfxQspi1_SLSO6_P33_10_OUT; else if (SPI1_CS7_P33_5 == cs_pin) set_cs->pin = &IfxQspi1_SLSO7_P33_5_OUT; else if (SPI1_CS8_P10_4 == cs_pin) set_cs->pin = &IfxQspi1_SLSO8_P10_4_OUT; else if (SPI1_CS9_P10_5 == cs_pin) set_cs->pin = &IfxQspi1_SLSO9_P10_5_OUT; else if (SPI1_CS10_P10_0 == cs_pin) set_cs->pin = &IfxQspi1_SLSO10_P10_0_OUT; else ZF_ASSERT(FALSE); }break; case SPI_2: { if (SPI2_SCLK_P13_0 == sck_pin) set_pin->sclk = &IfxQspi2_SCLKN_P13_0_OUT; else if (SPI2_SCLK_P13_1 == sck_pin) set_pin->sclk = &IfxQspi2_SCLKP_P13_1_OUT; else if (SPI2_SCLK_P15_3 == sck_pin) set_pin->sclk = &IfxQspi2_SCLK_P15_3_OUT; else if (SPI2_SCLK_P15_6 == sck_pin) set_pin->sclk = &IfxQspi2_SCLK_P15_6_OUT; else if (SPI2_SCLK_P15_8 == sck_pin) set_pin->sclk = &IfxQspi2_SCLK_P15_8_OUT; else ZF_ASSERT(FALSE); if (SPI2_MOSI_P13_2 == mosi_pin) set_pin->mtsr = &IfxQspi2_MTSRN_P13_2_OUT; else if (SPI2_MOSI_P13_3 == mosi_pin) set_pin->mtsr = &IfxQspi2_MTSRP_P13_3_OUT; else if (SPI2_MOSI_P15_5 == mosi_pin) set_pin->mtsr = &IfxQspi2_MTSR_P15_5_OUT; else if (SPI2_MOSI_P15_6 == mosi_pin) set_pin->mtsr = &IfxQspi2_MTSR_P15_6_OUT; else ZF_ASSERT(FALSE); if (SPI2_MISO_P15_2 == miso_pin) set_pin->mrst = &IfxQspi2_MRSTE_P15_2_IN; else if (SPI2_MISO_P15_4 == miso_pin) set_pin->mrst = &IfxQspi2_MRSTA_P15_4_IN; else if (SPI2_MISO_P15_7 == miso_pin) set_pin->mrst = &IfxQspi2_MRSTB_P15_7_IN; else if (SPI2_MISO_P21_2 == miso_pin) set_pin->mrst = &IfxQspi2_MRSTCN_P21_2_IN; else if (SPI2_MISO_P21_3 == miso_pin) set_pin->mrst = &IfxQspi2_MRSTCP_P21_3_IN; else ZF_ASSERT(FALSE); if (SPI2_CS0_P15_2 == cs_pin) set_cs->pin = &IfxQspi2_SLSO0_P15_2_OUT; else if (SPI2_CS1_P14_2 == cs_pin) set_cs->pin = &IfxQspi2_SLSO1_P14_2_OUT; else if (SPI2_CS2_P14_6 == cs_pin) set_cs->pin = &IfxQspi2_SLSO2_P14_6_OUT; else if (SPI2_CS3_P14_3 == cs_pin) set_cs->pin = &IfxQspi2_SLSO3_P14_3_OUT; else if (SPI2_CS4_P14_7 == cs_pin) set_cs->pin = &IfxQspi2_SLSO4_P14_7_OUT; else if (SPI2_CS5_P15_1 == cs_pin) set_cs->pin = &IfxQspi2_SLSO5_P15_1_OUT; else if (SPI2_CS6_P33_13 == cs_pin) set_cs->pin = &IfxQspi2_SLSO6_P33_13_OUT; else if (SPI2_CS7_P20_10 == cs_pin) set_cs->pin = &IfxQspi2_SLSO7_P20_10_OUT; else if (SPI2_CS8_P20_6 == cs_pin) set_cs->pin = &IfxQspi2_SLSO8_P20_6_OUT; else if (SPI2_CS9_P20_3 == cs_pin) set_cs->pin = &IfxQspi2_SLSO9_P20_3_OUT; else ZF_ASSERT(FALSE); }break; case SPI_3: { if (SPI3_SCLK_P02_7 == sck_pin) set_pin->sclk = &IfxQspi3_SCLK_P02_7_OUT; else if (SPI3_SCLK_P10_8 == sck_pin) set_pin->sclk = &IfxQspi3_SCLK_P10_8_OUT; else if (SPI3_SCLK_P22_0 == sck_pin) set_pin->sclk = &IfxQspi3_SCLKN_P22_0_OUT; else if (SPI3_SCLK_P22_1 == sck_pin) set_pin->sclk = &IfxQspi3_SCLKP_P22_1_OUT; else if (SPI3_SCLK_P22_3 == sck_pin) set_pin->sclk = &IfxQspi3_SCLK_P22_3_OUT; else if (SPI3_SCLK_P33_11 == sck_pin) set_pin->sclk = &IfxQspi3_SCLK_P33_11_OUT; else ZF_ASSERT(FALSE); if (SPI3_MOSI_P02_6 == mosi_pin) set_pin->mtsr = &IfxQspi3_MTSR_P02_6_OUT; else if (SPI3_MOSI_P10_6 == mosi_pin) set_pin->mtsr = &IfxQspi3_MTSR_P10_6_OUT; else if (SPI3_MOSI_P22_0 == mosi_pin) set_pin->mtsr = &IfxQspi3_MTSR_P22_0_OUT; else if (SPI3_MOSI_P22_2 == mosi_pin) set_pin->mtsr = &IfxQspi3_MTSRN_P22_2_OUT; else if (SPI3_MOSI_P22_3 == mosi_pin) set_pin->mtsr = &IfxQspi3_MTSRP_P22_3_OUT; else if (SPI3_MOSI_P33_12 == mosi_pin) set_pin->mtsr = &IfxQspi3_MTSR_P33_12_OUT; else ZF_ASSERT(FALSE); if (SPI3_MISO_P02_5 == miso_pin) set_pin->mrst = &IfxQspi3_MRSTA_P02_5_IN; else if (SPI3_MISO_P10_7 == miso_pin) set_pin->mrst = &IfxQspi3_MRSTB_P10_7_IN; else if (SPI3_MISO_P22_1 == miso_pin) set_pin->mrst = &IfxQspi3_MRSTE_P22_1_IN; else if (SPI3_MISO_P21_2 == miso_pin) set_pin->mrst = &IfxQspi3_MRSTFN_P21_2_IN; else if (SPI3_MISO_P21_3 == miso_pin) set_pin->mrst = &IfxQspi3_MRSTFP_P21_3_IN; else if (SPI3_MISO_P33_13 == miso_pin) set_pin->mrst = &IfxQspi3_MRSTD_P33_13_IN; else ZF_ASSERT(FALSE); if (SPI3_CS0_P02_4 == cs_pin) set_cs->pin = &IfxQspi3_SLSO0_P02_4_OUT; else if (SPI3_CS1_P02_0 == cs_pin) set_cs->pin = &IfxQspi3_SLSO1_P02_0_OUT; else if (SPI3_CS1_P33_9 == cs_pin) set_cs->pin = &IfxQspi3_SLSO1_P33_9_OUT; else if (SPI3_CS2_P02_1 == cs_pin) set_cs->pin = &IfxQspi3_SLSO2_P02_1_OUT; else if (SPI3_CS2_P33_8 == cs_pin) set_cs->pin = &IfxQspi3_SLSO2_P33_8_OUT; else if (SPI3_CS3_P02_2 == cs_pin) set_cs->pin = &IfxQspi3_SLSO3_P02_2_OUT; else if (SPI3_CS4_P02_3 == cs_pin) set_cs->pin = &IfxQspi3_SLSO4_P02_3_OUT; else if (SPI3_CS4_P23_5 == cs_pin) set_cs->pin = &IfxQspi3_SLSO4_P23_5_OUT; else if (SPI3_CS5_P02_8 == cs_pin) set_cs->pin = &IfxQspi3_SLSO5_P02_8_OUT; else if (SPI3_CS5_P23_4 == cs_pin) set_cs->pin = &IfxQspi3_SLSO5_P23_4_OUT; else if (SPI3_CS6_P00_8 == cs_pin) set_cs->pin = &IfxQspi3_SLSO6_P00_8_OUT; else if (SPI3_CS7_P00_9 == cs_pin) set_cs->pin = &IfxQspi3_SLSO7_P00_9_OUT; else if (SPI3_CS7_P33_7 == cs_pin) set_cs->pin = &IfxQspi3_SLSO7_P33_7_OUT; else if (SPI3_CS8_P10_5 == cs_pin) set_cs->pin = &IfxQspi3_SLSO8_P10_5_OUT; else if (SPI3_CS11_P33_10 == cs_pin) set_cs->pin = &IfxQspi3_SLSO11_P33_10_OUT; else if (SPI3_CS12_P22_2 == cs_pin) set_cs->pin = &IfxQspi3_SLSO12_P22_2_OUT; else if (SPI3_CS13_P23_1 == cs_pin) set_cs->pin = &IfxQspi3_SLSO13_P23_1_OUT; else ZF_ASSERT(FALSE); }break; } } //------------------------------------------------------------------------------------------------------------------- // @brief SPI初始化 // @param spi_n 选择SPI模块(SPI_1-SPI_4) // @param cs_pin 选择SPI片选引脚 // @param sck_pin 选择SPI时钟引脚 // @param mosi_pin 选择SPI MOSI引脚 // @param miso_pin 选择SPI MISO引脚 // @param mode SPI模式 0：CPOL=0 CPHA=0 1：CPOL=0 CPHA=1 2：CPOL=1 CPHA=0 3：CPOL=1 CPHA=1 //具体细节可自行百度 // @param baud 设置SPI的波特率 // @return void // Sample usage: spi_init(SPI_2, SPI2_SCLK_P15_3, SPI2_MOSI_P15_5, SPI2_MISO_P15_4, SPI2_CS0_P15_2, 0, 1*1000*1000);//硬件SPI初始化 模式0 波特率为1Mhz //------------------------------------------------------------------------------------------------------------------- void spi_init(SPIN_enum spi_n, SPI_PIN_enum sck_pin, SPI_PIN_enum mosi_pin, SPI_PIN_enum miso_pin, SPI_PIN_enum cs_pin, uint8 mode, uint32 baud) { IfxQspi_SpiMaster_Config MasterConfig; IfxQspi_SpiMaster MasterHandle; IfxQspi_SpiMaster_Channel MasterChHandle; IfxQspi_SpiMaster_Pins MasterPins; IfxQspi_SpiMaster_Output SlsoPin; volatile Ifx_QSPI *moudle; moudle = IfxQspi_getAddress((IfxQspi_Index)spi_n); spi_mux(spi_n, sck_pin, mosi_pin, miso_pin, cs_pin, &MasterPins, &SlsoPin); IfxQspi_SpiMaster_initModuleConfig(&MasterConfig, moudle); MasterConfig.base.mode = SpiIf_Mode_master; MasterConfig.base.maximumBaudrate = MAX_BAUD; MasterConfig.base.isrProvider = IfxSrc_Tos_cpu0; MasterConfig.pins = &MasterPins; IfxQspi_SpiMaster_initModule(&MasterHandle, &MasterConfig); IfxQspi_SpiMaster_ChannelConfig MasterChConfig; IfxQspi_SpiMaster_initChannelConfig(&MasterChConfig, &MasterHandle); MasterChConfig.base.baudrate = (float)baud; switch(mode) { case 0: { MasterChConfig.base.mode.clockPolarity = SpiIf_ClockPolarity_idleLow;//CPOL MasterChConfig.base.mode.shiftClock = SpiIf_ShiftClock_shiftTransmitDataOnTrailingEdge;//CPHA }break; case 1: { MasterChConfig.base.mode.clockPolarity = SpiIf_ClockPolarity_idleLow; MasterChConfig.base.mode.shiftClock = SpiIf_ShiftClock_shiftTransmitDataOnLeadingEdge; }break; case 2: { MasterChConfig.base.mode.clockPolarity = SpiIf_ClockPolarity_idleHigh; MasterChConfig.base.mode.shiftClock = SpiIf_ShiftClock_shiftTransmitDataOnTrailingEdge; }break; case 3: { MasterChConfig.base.mode.clockPolarity = SpiIf_ClockPolarity_idleHigh; MasterChConfig.base.mode.shiftClock = SpiIf_ShiftClock_shiftTransmitDataOnLeadingEdge; }break; } MasterChConfig.base.mode.dataHeading = SpiIf_DataHeading_msbFirst; MasterChConfig.base.mode.dataWidth = 8; MasterChConfig.base.mode.csActiveLevel = Ifx_ActiveState_low; MasterChConfig.sls.output = SlsoPin; IfxQspi_SpiMaster_initChannel(&MasterChHandle, &MasterChConfig); } //------------------------------------------------------------------------------------------------------------------- // @brief SPI发送接收函数 // @param spi_n 选择SPI模块 (SPI_1-SPI_4) // @param cs_pin 选择SPI片选引脚 // @param modata 发送的数据缓冲区地址 // @param midata 发送数据时接收到的数据的存储地址(不需要接收则传 NULL) // @param len 发送的字节数 // @param continuous 本次通信是CS是否持续保持有效状态 1:持续保持 0:每传输完一个字节关闭CS(一般设置为1 即可) // @return void // @since v2.0 // Sample usage: spi_mosi(SPI_2,SPI2_CS0_P15_2,buf,buf,1,1); //发送buff的内容，并接收到buf里，长度为1字节 通信期间CS持续拉低 //------------------------------------------------------------------------------------------------------------------- void spi_mosi(SPIN_enum spi_n, SPI_PIN_enum cs_pin, uint8 *modata, uint8 *midata, uint32 len, uint8 continuous) { uint32 i; Ifx_QSPI_BACON bacon; volatile Ifx_QSPI *moudle; moudle = IfxQspi_getAddress((IfxQspi_Index)spi_n); bacon.U = moudle->BACON.U; bacon.B.DL = 7; bacon.B.IDLE = 1; bacon.B.IPRE = 1; bacon.B.LEAD = 1; bacon.B.LPRE = 1; bacon.B.MSB = 1; bacon.B.PARTYP = 0; bacon.B.BYTE = 0; bacon.B.TRAIL = 1; bacon.B.TPRE = 1; bacon.B.CS = cs_pin%102/6-3; if(continuous) IfxQspi_writeBasicConfigurationBeginStream(moudle, bacon.U);//发送数据后CS继续保持为低 else IfxQspi_writeBasicConfigurationEndStream(moudle, bacon.U); //每发送一个字节CS信号拉高一次 if(len>1) { i = 0; while(i < (len-1)) { while(moudle->STATUS.B.TXFIFOLEVEL != 0); IfxQspi_write8(moudle, IfxQspi_ChannelId_0, modata, 1); while(moudle->STATUS.B.RXFIFOLEVEL == 0); if(NULL != midata) { IfxQspi_read8(moudle,midata,1); midata++; } else (void)moudle->RXEXIT.U; modata++; i++; } } //发送最后一个数据 if(continuous) IfxQspi_writeBasicConfigurationEndStream(moudle, bacon.U); IfxQspi_writeTransmitFifo(moudle, *modata); while(moudle->STATUS.B.TXFIFOLEVEL != 0); while(moudle->STATUS.B.RXFIFOLEVEL == 0); if(NULL != midata) IfxQspi_read8(moudle,midata,1); else (void)moudle->RXEXIT.U; }