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135 lines
4.0 KiB
C
135 lines
4.0 KiB
C
/*********************************************************************************************************************
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* COPYRIGHT NOTICE
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* Copyright (c) 2020,<2C><><EFBFBD>ɿƼ<C9BF>
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* All rights reserved.
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* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>QQȺ<51><C8BA><EFBFBD><EFBFBD>Ⱥ<EFBFBD><C8BA>824575535
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*
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* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɿƼ<C9BF><C6BC><EFBFBD><EFBFBD>У<EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><D2B5>;<EFBFBD><CDBE>
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* <20><>ӭ<EFBFBD><D3AD>λʹ<CEBB>ò<EFBFBD><C3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>뱣<EFBFBD><EBB1A3><EFBFBD><EFBFBD><EFBFBD>ɿƼ<C9BF><C6BC>İ<EFBFBD>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*
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* @file MMA8451
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* @company <09>ɶ<EFBFBD><C9B6><EFBFBD><EFBFBD>ɿƼ<C9BF><C6BC><EFBFBD><EFBFBD><EFBFBD>˾
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* @author <09><><EFBFBD>ɿƼ<C9BF>(QQ3184284598)
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* @version <09>鿴doc<6F><63>version<6F>ļ<EFBFBD> <20>汾˵<E6B1BE><CBB5>
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* @Software ADS v1.2.2
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* @Target core TC264D
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* @Taobao https://seekfree.taobao.com/
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* @date 2020-3-23
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* @note
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<09><><EFBFBD>߶<EFBFBD><DFB6>壺
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------------------------------------
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SCL <20>鿴SEEKFREE_IIC<49>ļ<EFBFBD><C4BC>ڵ<EFBFBD>SEEKFREE_SCL<43>궨<EFBFBD><EAB6A8>
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SDA <20>鿴SEEKFREE_IIC<49>ļ<EFBFBD><C4BC>ڵ<EFBFBD>SEEKFREE_SDA<44>궨<EFBFBD><EAB6A8>
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------------------------------------
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********************************************************************************************************************/
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#include "zf_stm_systick.h"
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#include "SEEKFREE_IIC.h"
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#include "SEEKFREE_MMA8451.h"
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//SA0<41><30><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>
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int16 acc_x = 0, acc_y = 0, acc_z = 0;
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//-------------------------------------------------------------------------------------------------------------------
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// @brief L3G4200D<30>Լ캯<D4BC><ECBAAF>
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// @param NULL
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// @return void
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// @since v1.0
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// Sample usage: <09><><EFBFBD>øú<C3B8><C3BA><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD>ȵ<EFBFBD><C8B5><EFBFBD>ģ<EFBFBD><C4A3>IIC<49>ij<EFBFBD>ʼ<EFBFBD><CABC>
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//-------------------------------------------------------------------------------------------------------------------
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void mma8451_self_check(void)
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{
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uint16 v;
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do
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{
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v= simiic_read_reg(MMA8451_DEV_ADD, WHO_AM_I_REG, SIMIIC);
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><C2BC><EFBFBD>
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//1 ģ<>黵<EFBFBD>ˣ<EFBFBD><CBA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD><C2B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĸ<EFBFBD><C4B8>ʼ<EFBFBD><CABC><EFBFBD>
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//2 <20><><EFBFBD>ߴ<EFBFBD><DFB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>нӺ<D0BD>
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//3 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>裬<EFBFBD><E8A3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3.3V
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//4 <20><><EFBFBD><EFBFBD>û<EFBFBD>е<EFBFBD><D0B5><EFBFBD>ģ<EFBFBD><C4A3>IIC<49>ij<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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}while((v != MMA8451Q_ID)&&(v != MMA8452Q_ID)&&(v != MMA8453Q_ID));
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}
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//-------------------------------------------------------------------------------------------------------------------
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// @brief <20><>ʼ<EFBFBD><CABC>MMA8451<35><31><EFBFBD>ٶȼ<D9B6>
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// @param NULL
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// @return uint8 <09><><EFBFBD><EFBFBD>1<EFBFBD>ɹ<EFBFBD><C9B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0ʧ<30><CAA7>
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// @since v1.0
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// Sample usage: <09><><EFBFBD>øú<C3B8><C3BA><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD>ȵ<EFBFBD><C8B5><EFBFBD>ģ<EFBFBD><C4A3>IIC<49>ij<EFBFBD>ʼ<EFBFBD><CABC>
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//-------------------------------------------------------------------------------------------------------------------
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uint8 mma845x_init(void)
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{
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simiic_init();
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systick_delay_ms(STM0, 50);
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mma8451_self_check();
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simiic_write_reg(MMA8451_DEV_ADD, CTRL_REG1,ASLP_RATE_20MS+DATA_RATE_2500US);
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simiic_write_reg(MMA8451_DEV_ADD, XYZ_DATA_CFG_REG, FULL_SCALE_2G); //2G
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simiic_write_reg(MMA8451_DEV_ADD, CTRL_REG1, (ACTIVE_MASK+ASLP_RATE_20MS+DATA_RATE_5MS)&(~FREAD_MASK)); //<2F><><EFBFBD><EFBFBD>״̬ 14bit
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return 0;
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}
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//-------------------------------------------------------------------------------------------------------------------
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// @brief <20><>ȡMMA8451<35><31><EFBFBD>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD>
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// @param NULL
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// @return void
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// @since v1.0
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// Sample usage: ִ<>иú<D0B8><C3BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>Ӳ鿴<D3B2><E9BFB4>Ӧ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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//-------------------------------------------------------------------------------------------------------------------
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void get_mma8451(void)
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{
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uint8 dat[6];
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uint16 wx,wy,wz;
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simiic_read_regs(MMA8451_DEV_ADD, OUT_X_MSB_REG, dat, 6, SIMIIC);
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wx = (uint16)dat[0]<<8 | dat[1];
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٶ<EFBFBD>ԭʼ<D4AD><CABC>Ӧ<EFBFBD><D3A6>ֵ
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if(dat[0]>0x7f) acc_x=-(int16)((~(wx>>2) + 1)&0X3FFF); //<2F><>λȡ<CEBB><C8A1><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ȥ<EFBFBD><C8A5><EFBFBD><EFBFBD>Ч<EFBFBD>ַ<EFBFBD>
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else acc_x=(wx>>2)&0X3FFF; //<2F><>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>Ч<EFBFBD>ַ<EFBFBD>
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wy = (uint16)dat[2]<<8 | dat[3];
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٶ<EFBFBD>ԭʼ<D4AD><CABC>Ӧ<EFBFBD><D3A6>ֵ
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if(dat[2]>0x7f) acc_y=-(int16)((~(wy>>2) + 1)&0X3FFF); //<2F><>λȡ<CEBB><C8A1><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ȥ<EFBFBD><C8A5><EFBFBD><EFBFBD>Ч<EFBFBD>ַ<EFBFBD>
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else acc_y=(wy>>2)&0X3FFF; //<2F><>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>Ч<EFBFBD>ַ<EFBFBD>
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wz = (uint16)dat[4]<<8 | dat[5];
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٶ<EFBFBD>ԭʼ<D4AD><CABC>Ӧ<EFBFBD><D3A6>ֵ
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if(dat[4]>0x7f) acc_z=-(int16)((~(wz>>2) + 1)&0X3FFF); //<2F><>λȡ<CEBB><C8A1><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ȥ<EFBFBD><C8A5><EFBFBD><EFBFBD>Ч<EFBFBD>ַ<EFBFBD>
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else acc_z=(wz>>2)&0X3FFF; //<2F><>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>Ч<EFBFBD>ַ<EFBFBD>
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}
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