C++ i2c |
您所在的位置：网站首页 › i2c_read c代码 › C++ i2c |
|
本文整理汇总了C++中i2c_smbus_write_i2c_block_data函数的典型用法代码示例。如果您正苦于以下问题：C++ i2c_smbus_write_i2c_block_data函数的具体用法？C++ i2c_smbus_write_i2c_block_data怎么用？C++ i2c_smbus_write_i2c_block_data使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。 在下文中一共展示了i2c_smbus_write_i2c_block_data函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。 示例1: lp5521_load_program static int lp5521_load_program(struct lp5521_chip *chip, u8 *pattern) { struct i2c_client *client = chip->client; int ret = 0; /* Enter load program mode for all led channels */ ret |= lp5521_write(client, LP5521_REG_OP_MODE, 0x15); /* 0001 0101 */ if (ret) return ret; if (chip->red) ret |= i2c_smbus_write_i2c_block_data(client, LP5521_REG_R_PROG_MEM, LP5521_PROGRAM_LENGTH, pattern); if (chip->green) ret |= i2c_smbus_write_i2c_block_data(client, LP5521_REG_G_PROG_MEM, LP5521_PROGRAM_LENGTH, pattern); if (chip->blue) ret |= i2c_smbus_write_i2c_block_data(client, LP5521_REG_B_PROG_MEM, LP5521_PROGRAM_LENGTH, pattern); return ret; }开发者ID:embest-tech，项目名称:rowboat-kernel，代码行数:28，代码来源:lp5521.c 示例2: bcmpmu_i2c_write_device_direct_bulk static int bcmpmu_i2c_write_device_direct_bulk(struct bcmpmu *bcmpmu, int map, int addr, unsigned int *val, int len) { int err; struct bcmpmu_i2c *acc = (struct bcmpmu_i2c *)bcmpmu->accinfo; u8 *uval = (u8 *)val; int i; if (addr + len > acc->pagesize) return -ENODEV; for (i = 0; i < len; i++) uval[i] = (u8)val[i]; bcmpmu_i2c_lock(acc); err = bcmpmu_i2c_retry(bcmpmu); if (err < 0) goto err; if (map == 0) err = i2c_smbus_write_i2c_block_data(acc->i2c_client, addr, len, uval); else if (map == 1) err = i2c_smbus_write_i2c_block_data(acc->i2c_client1, addr, len, uval); else err = -EIO; last_i2c_trans = I2C_TRANS_WRITE; bcmpmu_i2c_unlock(acc); err: if (err < 0) return err; return 0; }开发者ID:emreharbutoglu，项目名称:i9105Sammy，代码行数:29，代码来源:bcmpmu-i2c.c 示例3: bq27541_authenticate static bool bq27541_authenticate(struct i2c_client *client) { #ifdef CONFIG_MACH_FIND7OP return true; #else char recv_buf[MESSAGE_LEN]= {0x0}; char send_buf[MESSAGE_LEN]= {0x0}; char result[MESSAGE_LEN]= {0x0}; char Key[KEY_LEN]= {0x77,0x30,0xa1,0x28,0x0a,0xa1,0x13,0x20,0xef,0xcd,0xab,0x89,0x67,0x45,0x23,0x01}; char checksum_buf[1] = {0x0}; char authen_cmd_buf[1] = {0x00}; int i,rc; pr_info("%s Enter\n",__func__); // step 0: produce 20 bytes random data and checksum get_random_bytes(send_buf,20); for(i = 0; i < 20; i++) { checksum_buf[0] = checksum_buf[0] + send_buf[i]; } checksum_buf[0] = 0xff - (checksum_buf[0]&0xff); /* step 1: unseal mode->write 0x01 to blockdatactrl authen_cmd_buf[0] = 0x01; rc = i2c_smbus_write_i2c_block_data(client,BLOCKDATACTRL,1,&authen_cmd_buf[0]); } */ // step 1: seal mode->write 0x00 to dataflashblock rc = i2c_smbus_write_i2c_block_data(client,DATAFLASHBLOCK,1,&authen_cmd_buf[0]); if( rc < 0 ) { pr_info("%s i2c write error\n",__func__); return false; } // step 2: write 20 bytes to authendata_reg i2c_smbus_write_i2c_block_data(client,AUTHENDATA,MESSAGE_LEN,&send_buf[0]); msleep(1); // step 3: write checksum to authenchecksum_reg for compute i2c_smbus_write_i2c_block_data(client,AUTHENCHECKSUM,1,&checksum_buf[0]); msleep(50); // step 4: read authendata i2c_smbus_read_i2c_block_data(client,AUTHENDATA,MESSAGE_LEN,&recv_buf[0]); // step 5: phone do hmac(sha1-generic) algorithm BQ27541_HMACSHA1_authenticate(send_buf,Key,result); // step 6: compare recv_buf from bq27541 and result by phone rc = strncmp(recv_buf,result,MESSAGE_LEN); if(rc == 0) { pr_info("bq27541_authenticate success\n"); return true; } pr_info("bq27541_authenticate error,dump buf:\n"); for(i = 0; i < 20; i++) { pr_info("send_buf[%d]:0x%x,recv_buf[%d]:0x%x ?= result[%d]:0x%x\n",i,send_buf[i],i,recv_buf[i],i,result[i]); } return false; #endif }开发者ID:laperry1，项目名称:cm_kernel_oneplus_msm8974，代码行数:55，代码来源:bq27541_fuelgauger.c 示例4: pic16f_fw_write static int pic16f_fw_write(unsigned char *data_buf,unsigned int offset,unsigned int length) { unsigned int count = 0; unsigned char zero_buf[1] = {0}; unsigned char temp_buf[1] = {0}; unsigned char addr_buf[2] = {0x00,0x00}; unsigned char temp; int i,rc; count = offset; //write data begin while(count < (offset + length)) { addr_buf[0] = data_buf[count + 1]; addr_buf[1] = data_buf[count]; //printk("%s write data addr_buf[0]:0x%x,addr_buf[1]:0x%x\n",__func__,addr_buf[0],addr_buf[1]); rc = i2c_smbus_write_i2c_block_data(pic16F_client,0x01,2,&addr_buf[0]); if(rc < 0){ pr_err("%s i2c_write 0x01 error\n",__func__); return -1; } //byte_count = buf[count]; //swap low byte and high byte begin //because LSB is before MSB in buf,but pic16F receive MSB first for(i = 0;i < 2 * BYTES_TO_WRITE;i = (i+2)){ temp = data_buf[count+BYTE_OFFSET+i]; data_buf[count+BYTE_OFFSET+i] = data_buf[count+BYTE_OFFSET+i+1]; data_buf[count+BYTE_OFFSET+i+1] = temp; } //swap low byte and high byte end //write 16 bytes data to pic16F i2c_smbus_write_i2c_block_data(pic16F_client,0x02,BYTES_TO_WRITE,&data_buf[count+BYTE_OFFSET]); i2c_smbus_write_i2c_block_data(pic16F_client,0x05,1,&zero_buf[0]); i2c_smbus_read_i2c_block_data(pic16F_client,0x05,1,&temp_buf[0]); //printk("lfc read 0x05,temp_buf[0]:0x%x\n",temp_buf[0]); //write 16 bytes data to pic16F again i2c_smbus_write_i2c_block_data(pic16F_client,0x02,BYTES_TO_WRITE,&data_buf[count+BYTE_OFFSET+BYTES_TO_WRITE]); i2c_smbus_write_i2c_block_data(pic16F_client,0x05,1,&zero_buf[0]); i2c_smbus_read_i2c_block_data(pic16F_client,0x05,1,&temp_buf[0]); //printk("lfc read again 0x05,temp_buf[0]:0x%x\n",temp_buf[0]); count = count + BYTE_OFFSET + 2 * BYTES_TO_WRITE; msleep(2); //pr_err("%s count:%d,offset:%d,length:%d\n",__func__,count,offset,length); if(count > (offset + length - 1)){ break; } } return 0; }开发者ID:Reachseysear，项目名称:Find7-kernel-source，代码行数:55，代码来源:pic16F1503_fastcg.c 示例5: i2c_smbus_write_i2c_block_data void i2c_access::write(const unsigned int data_addr, const unsigned char *values, size_t length) { int ret; std::string error_msg; if (fd < 0) { error_msg = "member is not initialized"; throw error_msg; } if (data_addr < 0 || data_addr > 0xff) { error_msg = "Data address invalid!"; throw error_msg; } for (unsigned int i=0; iclient; return i2c_smbus_write_i2c_block_data(i2c, reg, length, values); }开发者ID:MaxChina，项目名称:linux，代码行数:7，代码来源:stmpe-i2c.c 示例7: k3g_resume static int k3g_resume(struct device *dev) { int err = 0; struct i2c_client *client = to_i2c_client(dev); struct k3g_data *k3g_data = i2c_get_clientdata(client); struct k3g_platform_data *pdata; if(DEBUG_FUNC_TRACE & debug_mask) printk(KERN_INFO "%s: line %d\n", __func__, __LINE__); pdata = client->dev.platform_data; if (pdata->power_on){ if(DEBUG_GEN_INFO & debug_mask) printk(KERN_INFO "%s: goes to resume, power on\n", __func__); pdata->power_on(1lock); mdelay(300); k3g_restart_fifo(k3g_data); if (!k3g_data->interruptible) hrtimer_start(&k3g_data->timer, k3g_data->polling_delay, HRTIMER_MODE_REL); err = i2c_smbus_write_i2c_block_data(client, CTRL_REG1 | AC, sizeof(k3g_data->ctrl_regs), k3g_data->ctrl_regs); mutex_unlock(&k3g_data->lock); } return err; }开发者ID:TeamRegular，项目名称:android_kernel_lge_iproj，代码行数:34，代码来源:k3g.c 示例8: bebot_base_pass static int bebot_base_pass(struct senseact_device *senseact, unsigned int type, unsigned int index, unsigned int count, int *values) { struct bebot_base_device *base = senseact_get_drvdata(senseact); struct i2c_client *client = base->client; int buffer[SETSPEED_COUNT]; int i, n, rc; for (i = 0; i < count; i++) { switch (type) { case SENSEACT_TYPE_SPEED: if ((index + i) < SETSPEED_COUNT) { base->speed[index + i] = SPEED_TO_REG(values[i]); } break; case SENSEACT_TYPE_SYNC: rc = i2c_smbus_write_i2c_block_data(client, SETSPEED_REG, SETSPEED_SIZE, base->speed); if (rc < 0) return rc; for (n = 0; n < SETSPEED_COUNT; n++) buffer[n] = SPEED_FROM_REG((int) base->speed[n]); senseact_pass_actions(senseact, SENSEACT_TYPE_SPEED, SENSEACT_PREFIX_MILLI, 0, SETSPEED_COUNT, buffer); senseact_sync(senseact, SENSEACT_SYNC_ACTOR); break; } } return 0; }开发者ID:BackupTheBerlios，项目名称:openrobotix-svn，代码行数:32，代码来源:bebot-base.c 示例9: d2041_i2c_write_device static int d2041_i2c_write_device(struct d2041 * const d2041, char const reg, int const bytes, const u8 *src /*void * const src*/) { int ret = 0; // Redundant. It already checked in d2041_reg_read & write function //if ((reg + bytes) > D2041_MAX_REGISTER_CNT) { // printk(KERN_ERR "Bad input to d2041_i2c_write_device(0x%x, %d)\n", reg, bytes); // return -EINVAL; //} #ifdef CONFIG_D2041_USE_SMBUS_API if(bytes > 1) ret = i2c_smbus_write_i2c_block_data(d2041->i2c_client, reg, bytes, src); else ret = i2c_smbus_write_byte_data(d2041->i2c_client, reg, *src); return ret; #else u8 msg[bytes + 1]; msg[0] = reg; memcpy(&msg[1], src, bytes); ret = i2c_master_send(d2041->i2c_client, msg, bytes + 1); if (ret < 0) return ret; if (ret != bytes + 1) return -EIO; return 0; #endif /* CONFIG_D2041_USE_SMBUS_API */ }开发者ID:foxsake，项目名称:infuzion-sgp，代码行数:33，代码来源:d2041-i2c.c 示例10: leds_i2c_write_all static int leds_i2c_write_all(struct i2c_client *client) { struct an30259a_data *data = i2c_get_clientdata(client); int ret; /*we need to set all the configs setting first, then LEDON later*/ mutex_lock(&data->mutex); ret = i2c_smbus_write_i2c_block_data(client, AN30259A_REG_SEL | AN30259A_CTN_RW_FLG, AN30259A_REG_MAX - AN30259A_REG_SEL, &data->shadow_reg[AN30259A_REG_SEL]); if (ret < 0) { dev_err(&client->adapter->dev, "%s: failure on i2c block write\n", __func__); goto exit; } ret = i2c_smbus_write_byte_data(client, AN30259A_REG_LEDON, data->shadow_reg[AN30259A_REG_LEDON]); if (ret < 0) { dev_err(&client->adapter->dev, "%s: failure on i2c byte write\n", __func__); goto exit; } mutex_unlock(&data->mutex); return 0; exit: mutex_unlock(&data->mutex); return ret; }开发者ID:davidmueller13，项目名称:efficientkernel，代码行数:32，代码来源:leds-an30259a.c 示例11: silead_ts_load_fw static int silead_ts_load_fw(struct i2c_client *client) { struct device *dev = &client->dev; struct silead_ts_data *data = i2c_get_clientdata(client); unsigned int fw_size, i; const struct firmware *fw; struct silead_fw_data *fw_data; int ret; ret = request_firmware(&fw, data->fw_name, dev); if (ret) { dev_err(dev, "Firmware request error %d\n", ret); return ret; } fw_size = fw->size / sizeof(*fw_data); fw_data = (struct silead_fw_data *)fw->data; for (i = 0; i < fw_size; i++) { ret = i2c_smbus_write_i2c_block_data(client, fw_data[i].offset, 4, (u8 *)&fw_data[i].val); if (ret) { dev_err(dev, "Firmware load error %d\n", ret); goto release_fw_err; } } release_firmware(fw); return 0; release_fw_err: release_firmware(fw); return ret; }开发者ID:tinocyngn，项目名称:sofia-kernel，代码行数:34，代码来源:silead.c 示例12: i2c_lcd_puts int i2c_lcd_puts( char *str ) { i2c_smbus_write_i2c_block_data( i2c_fd, LCD_RS_DATA_WRITE, strlen(str), (unsigned char *)str ); usleep(30); return 1; }开发者ID:toru-ver4，项目名称:raspberry，代码行数:7，代码来源:libi2clcd.c 示例13: get_fw_version int get_fw_version() { __u8 READ_CMD[11]={0x0B,0x00,0x00,0x00,0x52,0x00,0x00,0x40,0x00,0x10, 0xAD}; __u8 FW_VER[2]={0}; int fw=0; int ret=0; int i=0; ret=i2c_smbus_write_i2c_block_data(i2c_fd, 0x0B, 10, &READ_CMD[1]); i2c_smbus_read_i2c_block_data(i2c_fd, FC_CMD_READ_ACK, &FC_RX_INFO[0]); if (FC_RX_INFO[0]!=FC_CMD_READ_ACK ){//Check Return 0xFC printf("FC_RX_INFO[0]=%x\n",FC_RX_INFO[0]); return -1; } //printf("%s\n",&FC_RX_INFO[0]); for(i=0;iattr.name); /* Decode input */ rc = kstrtoull(buf, 0, &val); if (rc < 0) { dev_dbg(dev, "input string not a number\n"); return -EINVAL; } /* Special case: the 32 bit regs are time values with 1/4s * resolution, scale input down to quarter-seconds */ if (sattr->nr == 4) do_div(val, 250); /* write out the value */ val_le = cpu_to_le32(val); rc = i2c_smbus_write_i2c_block_data(client, sattr->index, sattr->nr, (u8 *) & val_le); if (rc < 0) { dev_err(dev, "register write failed; reg=0x%x, size=%i\n", sattr->index, sattr->nr); return -EIO; } return count; }开发者ID:AlexShiLucky，项目名称:linux，代码行数:35，代码来源:ds1682.c 示例15: HalSmbusWriteBlock /** * @brief Write a series of bytes to an I2c device using SMBus protocol. * *****************************************************************************/ halReturn_t HalSmbusWriteBlock(uint8_t command, uint8_t const *blockData, uint8_t length) { halReturn_t retStatus; int32_t status; retStatus = I2cAccessCheck(); if (retStatus != HAL_RET_SUCCESS) { return retStatus; } if(length > I2C_SMBUS_BLOCK_MAX) { SII_DEBUG_PRINT(SII_OSAL_DEBUG_TRACE, "HalSmbusWriteBlock, bufferLen param too big (%d) max size (%d)!\n", length, I2C_SMBUS_BLOCK_MAX); return HAL_RET_PARAMETER_ERROR; } status = i2c_smbus_write_i2c_block_data(gMhlDevice.pI2cClient, command, length, blockData); if (status < 0) { SII_DEBUG_PRINT(SII_OSAL_DEBUG_TRACE, "i2c_smbus_write_i2c_block_data returned error: %d\n",status); return HAL_RET_FAILURE; } return HAL_RET_SUCCESS; }开发者ID:Mrchenkeyu，项目名称:android_kernel_zte_pluto，代码行数:35，代码来源:sii_hal_linux_i2c.c注：本文中的i2c_smbus_write_i2c_block_data函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
| CopyRight 2018-2019 办公设备维修网 版权所有 豫ICP备15022753号-3 |