public: void init(std::vector<size_t>&& map_offsets_, size_t size_) { map_offsets = std::move(map_offsets_); flags = std::vector<std::atomic_bool>(size_); }

#include <iostream> #include <vector> using namespace std; int main() { int n; cin >> n; vector<vector<int>> lines(n); for (int i = 0; i < n; i++) { int num; cin >> num; vector<int> line; line.push_back(num); int x, y; while (cin >> x >> y) { line.push_back(x); line.push_back(y); if (cin.get() == '\n') { break; } } lines[i] = line; } vector<int> ans; vector<vector<int>> matrix(64, vector<int>(64, 0)); vector> offsets = {{-1, 0}, {1, 0}, {0, -1}, {0, 1}}; for (auto line : lines) { int num = line[0]; for (int i = 1; i < line.size(); i += 2) { int x = line[i]; int y = line[i + 1]; matrix[x][y] = num; } } for (auto line : lines) { int num = line[0]; int p = 0; for (int i = 1; i < line.size(); i += 2) { int x = line[i]; int y = line[i + 1]; for (auto offset : offsets) { int newX = x + offset.first; int newY = y + offset.second; if (newX >= 0 && newX < 64 && newY >= 0 && newY < 64) { if (matrix[newX][newY] != num) { p += 1; } } else { p += 1; } } } ans.push_back(p); } for (int i = 0; i < ans.size(); i++) { cout << ans[i]; if (i != ans.size() - 1) { cout << " "; } } return 0;解释一下

接下来，程序遍历该行数据中的每一对整数 (x, y)，并遍历 offsets 向量中的每个偏移量 (offsetX, offsetY)。程序根据偏移量计算新的位置 (newX, newY)，如果新位置在矩阵范围内，并且与原位置的值不相等，则...

int result(vector<vector<string> >& lines){ int day=0; queue>q; int len1=lines.size(); int dno=0; int len2; for(int i=0;i<len1;i++){ len2=lines[i].size(); for(int j=0;j<len2;j++){ if(lines[i][j]=="YES"){ q.push({i,j}); } if(lines[i][j]=="NO"){ dno++; } } } if(q.empty()){ return -1; } vector>offsets={{-1,0},{1,0},{0,-1},{0,1}}; while(!q.empty()&&dno>0){ queue>newq; pair<int,int> tem=q.front(); q.pop(); int x=tem.first; int y=tem.second; while(!q.empty()){ for(auto offset:offsets){ int newx=x+offset.first; int newy=y+offset.second; if(newx>=0&&newx<len1&&newy>=0&&newy<len2&&lines[newx][newy]=="NO"){ lines[newx][newy]="YES"; dno--; newq.push({newx,newy}); } } q=newq; day++; } if(dno!=0){ return -1; } else{ return day; } } }为什么无法返回YES YES NO

std::string result(std::vector<std::vector<std::string>>& lines) { // 函数实现 std::string resultString = "YES YES NO"; return resultString; } 在上述示例中，我们将函数的返回类型从 int 修改为...

#include<bits/stdc++.h> using namespace std; int main(){ int n; cin>>n; vector<int>line; vector<vector<int> >lines(n); for(int i=0;i<n;i++){ int m; int x,y; cin>>m; line.clear(); line.push_back(m); while(cin>>x>>y){ line.push_back(x); line.push_back(y); } lines[i]=line; } vector<vector<int> >num(64,vector<int>(64,0)); for(auto line:lines){ int mm=line[0]; for(int i=1;ian; vector > offers={{-1,0},{1,0},{0,-1},{0,1}}; for(auto line:lines){ int mm=line[0]; int p=0; for(int i=1;i=0&&newx<64&&newy>=0&&newy<64){ if(num[newx][newy]!=mm)p++; } else{ p++; } } an[i]=p; } } for(int i=0;i<an.size();i++){ cout<<an[i]; } return 0; } 这段代码为什么无法输出

vector<pair<int, int>> offsets = {{-1, 0}, {1, 0}, {0, -1}, {0, 1}}; for (auto line : lines) { int mm = line[0]; int p = 0; for (int i = 1; i < line.size(); i += 2) { int x = line[i]; int y = ...

vector> offsets = {{-1, 0}, {1, 0}, {0, -1}, {0, 1}};是什么意思

vector<pair<int, int>> offsets = {{-1, 0}, {1, 0}, {0, -1}, {0, 1}}; 是一个 C++ 中的语句，用于创建一个存储了一组有序整数对的向量。在这个语句中，pair<int, int> 表示一个包含两个整数的组合，vector...

import java.util.Arrays; import java.util.LinkedList; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); Integer[] arr = Arrays.stream(sc.nextLine().split(",")).map(Integer::parseInt).toArray(Integer[]::new); System.out.println(getResult(arr)); } public static int getResult(Integer[] arr) { int n = (int) Math.sqrt(arr.length); int[][] matrix = new int[n][n]; LinkedList<Integer[]> queue = new LinkedList<>(); for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { matrix[i][j] = arr[i * n + j]; if (matrix[i][j] == 1) queue.add(new Integer[] {i, j}); } } if (queue.size() == 0 || queue.size() == arr.length) { return -1; } int healthy = arr.length - queue.size(); int[][] offsets = {{-1, 0}, {1, 0}, {0, -1}, {0, 1}}; int day = 0; while (queue.size() > 0 && healthy > 0) { LinkedList<Integer[]> newQue = new LinkedList<>(); for (Integer[] tmp : queue) { int x = tmp[0], y = tmp[1]; for (int[] offset : offsets) { int newX = x + offset[0]; int newY = y + offset[1]; if (newX >= 0 && newX < n && newY >= 0 && newY < n && matrix[newX][newY] == 0) { matrix[newX][newY] = 1; healthy--; newQue.add(new Integer[] {newX, newY}); } } } day++; queue = newQue; } return day; } }翻译成C++

vector<vector<int>> offsets = {{-1, 0}, {1, 0}, {0, -1}, {0, 1}}; int day = 0; while (!q.empty() && healthy > 0) { queue<pair<int, int>> newQ; while (!q.empty()) { pair<int, int> tmp = q.front()...

{ "mappings": { "properties": { "text": { "type": "text", "term_vector": "with_positions_offsets_payloads", "store" : true, "analyzer" : "fulltext_analyzer" }, "fullname": { "type": "text", "term_vector": "with_positions_offsets_payloads", "analyzer" : "fulltext_analyzer" } } }, "settings" : { "index" : { "number_of_shards" : 1, "number_of_replicas" : 0 }, "analysis": { "analyzer": { "fulltext_analyzer": { "type": "custom", "tokenizer": "whitespace", "filter": [ "lowercase", "type_as_payload" ] } } } } }什么意思

<think>嗯，用户想了解Elasticsearch索引配置中mappings和settings的具体含义以及各个参数的作用，比如term_vector、analyzer、fulltext_analyzer这些。首先，我需要回忆一下Elasticsearch的基础知识。settings主要...

ulint* rec_get_offsets_func( /=================/ const rec_t* rec, /!< in: physical record / const dict_index_t* index, /!< in: record descriptor / ulint* offsets,/!< in/out: array consisting of offsets[0] allocated elements, or an array from rec_get_offsets(), or NULL / ulint n_fields,/!< in: maximum number of initialized fields (ULINT_UNDEFINED if all fields) / #ifdef UNIV_DEBUG const char* file, /!< in: file name where called / ulint line, /!< in: line number where called / #endif /* UNIV_DEBUG */ mem_heap_t** heap) /!< in/out: memory heap / { ulint n; ulint size; ut_ad(rec); ut_ad(index); ut_ad(heap); if (dict_table_is_comp(index->table)) { switch (UNIV_EXPECT(rec_get_status(rec), REC_STATUS_ORDINARY)) { case REC_STATUS_ORDINARY: n = dict_index_get_n_fields(index); break; case REC_STATUS_NODE_PTR: /* Node pointer records consist of the uniquely identifying fields of the record followed by a child page number field. / n = dict_index_get_n_unique_in_tree_nonleaf(index) + 1; break; case REC_STATUS_INFIMUM: case REC_STATUS_SUPREMUM: / infimum or supremum record / n = 1; break; default: ut_error; return(NULL); } } else { n = rec_get_n_fields_old(rec); } if (UNIV_UNLIKELY(n_fields < n)) { n = n_fields; } / The offsets header consists of the allocation size at offsets[0] and the REC_OFFS_HEADER_SIZE bytes. / size = n + (1 + REC_OFFS_HEADER_SIZE); if (UNIV_UNLIKELY(!offsets) || UNIV_UNLIKELY(rec_offs_get_n_alloc(offsets) < size)) { if (UNIV_UNLIKELY(!heap)) { heap = mem_heap_create_at(size sizeof(ulint), file, line); } offsets = static_cast( mem_heap_alloc(heap, size sizeof(ulint))); rec_offs_set_n_alloc(offsets, size); } rec_offs_set_n_fields(offsets, n); rec_init_offsets(rec, index, offsets); return(offsets); }帮我以注释的形式解释下这段代码吧

下面是对这段代码的注释解释： /** * rec_get_offsets_func函数的作用是获取给定记录的字段偏移量数组。 * * @param rec 指向记录的指针 ... rec_init_offsets(rec, index, offsets); return offsets; }

用其他逻辑重新写该程序void MPU_CALIBRATION(void) { int32_t BUFFER[6]={0}; int16_t n; uint8_t W=30; const int8_t MAXIMUM_GYROSCOPE_MUTE = 5; const int8_t MINIMUM_GYROSCOPE_MUTE = -5; int16_t LAST_GYRO[3] = {0}; int16_t ERROR_GYRO[3]; memset(Mpu_OFF_SET,0,12); Mpu_OFF_SET[2] = 8200; TIM_IT_CONF (TIM3, TIM_IT_Update ,DISABLE ); while(W--) { do { delay_ms(10); MPU_GDA(); for(n=0;n<3;n++) { ERROR_GYRO[n] = P_MPU[n+3] - LAST_GYRO[n]; LAST_GYRO[n] = P_MPU[n+3]; } }while ((ERROR_GYRO[0] > MAXIMUM_GYROSCOPE_MUTE )|| (ERROR_GYRO[0] < MINIMUM_GYROSCOPE_MUTE) ||(ERROR_GYRO[1] > MAXIMUM_GYROSCOPE_MUTE ) || (ERROR_GYRO[1] < MINIMUM_GYROSCOPE_MUTE)||(ERROR_GYRO[2] > MAXIMUM_GYROSCOPE_MUTE )|| (ERROR_GYRO[2] < MINIMUM_GYROSCOPE_MUTE)); } for(n=0;n<356;n++) { MPU_GDA(); if(100 <= n) { uint8_t j; for(j=0;j<6;j++) { BUFFER[j] += P_MPU[j]; } } } for(n=0;n<6;n++) { Mpu_OFF_SET[n] = BUFFER[n]>>8; } TIM_IT_CONF(TIM3,TIM_IT_Update ,ENABLE ); }

<think>嗯，用户想让我帮忙用另一种方法重构C语言程序中的MPU_CALIBRATION函数，同时保持原有功能。首先，我需要理解原来的函数结构和功能。MPU通常指的是微处理器单元，可能这里是指惯性测量单元（IMU）的校准，...

#include <stdio.h> #include <stdlib.h> #include <time.h> #include <opencv2/opencv.hpp> using namespace cv; int main() { Mat src = imread("C:/Users/iris/Pictures/scenery.jpg"); Mat dst = Mat::zeros(src.size(), src.type()); int rows = src.rows, cols = src.cols; int offsets = 5, random_num = 0; srand((unsigned)time(NULL)); for (int y = 0; y < rows - offsets; ++y) { for (int x = 0; x < cols - offsets; ++x) { random_num = rand() % offsets; dst.at<Vec3b>(y, x)[0] = src.at<Vec3b>(y + random_num, x + random_num)[0]; dst.at<Vec3b>(y, x)[1] = src.at<Vec3b>(y + random_num, x + random_num)[1]; dst.at<Vec3b>(y, x)[2] = src.at<Vec3b>(y + random_num, x + random_num)[2]; } } imshow("src", src); imshow("dst", dst); waitKey(0); destroyAllWindows(); return 0;不用其他库用c语言实现

#include <stdio.h> #include <stdlib.h> #include <time.h> #define BMP_HEADER_SIZE 54 int main(void) { FILE *fp_in, *fp_out; unsigned char header[BMP_HEADER_SIZE]; int width, height, bit_count, ...

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int m = sc.nextInt(); int n = sc.nextInt(); int[][] matrix = new int[m][n]; for (int i = 0; i < m; i++) { for (int j = 0; j < n; j++) { matrix[i][j] = sc.nextInt(); } } System.out.println(getResult(m, n, matrix)); } public static int getResult(int m, int n, int[][] matrix) { int count = 0; int[][] offsets = {{-1, 0}, {1, 0}, {0, 1}, {0, -1}}; for (int x = 0; x < m; x++) { for (int y = 0; y < n; y++) { if (matrix[x][y] == 1) { count++; continue; } for (int[] offset : offsets) { int newX = x + offset[0]; int newY = y + offset[1]; if (newX >= 0 && newX < m && newY >= 0 && newY < n && matrix[newX][newY] == 1) { count++; break; } } } } return count; } }翻译成C++

vector<vector<int>> offsets = {{-1, 0}, {1, 0}, {0, 1}, {0, -1}}; for (int x = 0; x < m; x++) { for (int y = 0; y < n; y++) { if (matrix[x][y] == 1) { count++; continue; } for (auto offset :...

/* * Copyright (c) 2020 - 2025 Renesas Electronics Corporation and/or its affiliates * * SPDX-License-Identifier: BSD-3-Clause */ /*****************************************************************************************************************// * @ingroup RENESAS_TRANSFER_INTERFACES * @defgroup TRANSFER_API Transfer Interface * * @brief Interface for data transfer functions. * * @section TRANSFER_API_SUMMARY Summary * The transfer interface supports background data transfer (no CPU intervention). * * * @{ / #ifndef R_TRANSFER_API_H #define R_TRANSFER_API_H /* * Includes **********************************************************************************************************************/ /* Common error codes and definitions. / #include "bsp_api.h" / Common macro for FSP header files. There is also a corresponding FSP_FOOTER macro at the end of this file. */ FSP_HEADER /********************************************************************************************************************** * Macro definitions / #define TRANSFER_SETTINGS_MODE_BITS (30U) #define TRANSFER_SETTINGS_SIZE_BITS (28U) #define TRANSFER_SETTINGS_SRC_ADDR_BITS (26U) #define TRANSFER_SETTINGS_CHAIN_MODE_BITS (22U) #define TRANSFER_SETTINGS_IRQ_BITS (21U) #define TRANSFER_SETTINGS_REPEAT_AREA_BITS (20U) #define TRANSFER_SETTINGS_DEST_ADDR_BITS (18U) / * Typedef definitions ********************************************************************************************************************/ / Transfer control block. Allocate an instance specific control block to pass into the transfer API calls. */ typedef void transfer_ctrl_t; #ifndef BSP_OVERRIDE_TRANSFER_MODE_T /** Transfer mode describes what will happen when a transfer request occurs. */ typedef enum e_transfer_mode { /** In normal mode, each transfer request causes a transfer of @ref transfer_size_t from the source pointer to * the destination pointer. The transfer length is decremented and the source and address pointers are * updated according to @ref transfer_addr_mode_t. After the transfer length reaches 0, transfer requests * will not cause any further transfers. */ TRANSFER_MODE_NORMAL = 0, /** Repeat mode is like normal mode, except that when the transfer length reaches 0, the pointer to the * repeat area and the transfer length will be reset to their initial values. If DMAC is used, the * transfer repeats only transfer_info_t::num_blocks times. After the transfer repeats * transfer_info_t::num_blocks times, transfer requests will not cause any further transfers. If DTC is * used, the transfer repeats continuously (no limit to the number of repeat transfers). */ TRANSFER_MODE_REPEAT = 1, /** In block mode, each transfer request causes transfer_info_t::length transfers of @ref transfer_size_t. * After each individual transfer, the source and destination pointers are updated according to * @ref transfer_addr_mode_t. After the block transfer is complete, transfer_info_t::num_blocks is * decremented. After the transfer_info_t::num_blocks reaches 0, transfer requests will not cause any * further transfers. */ TRANSFER_MODE_BLOCK = 2, /** In addition to block mode features, repeat-block mode supports a ring buffer of blocks and offsets * within a block (to split blocks into arrays of their first data, second data, etc.) */ TRANSFER_MODE_REPEAT_BLOCK = 3 } transfer_mode_t; #endif #ifndef BSP_OVERRIDE_TRANSFER_SIZE_T /** Transfer size specifies the size of each individual transfer. * Total transfer length = transfer_size_t * transfer_length_t */ typedef enum e_transfer_size { TRANSFER_SIZE_1_BYTE = 0, ///< Each transfer transfers a 8-bit value TRANSFER_SIZE_2_BYTE = 1, ///< Each transfer transfers a 16-bit value TRANSFER_SIZE_4_BYTE = 2, ///< Each transfer transfers a 32-bit value TRANSFER_SIZE_8_BYTE = 3 ///< Each transfer transfers a 64-bit value } transfer_size_t; #endif #ifndef BSP_OVERRIDE_TRANSFER_ADDR_MODE_T /** Address mode specifies whether to modify (increment or decrement) pointer after each transfer. */ typedef enum e_transfer_addr_mode { /** Address pointer remains fixed after each transfer. */ TRANSFER_ADDR_MODE_FIXED = 0, /** Offset is added to the address pointer after each transfer. */ TRANSFER_ADDR_MODE_OFFSET = 1, /** Address pointer is incremented by associated @ref transfer_size_t after each transfer. */ TRANSFER_ADDR_MODE_INCREMENTED = 2, /** Address pointer is decremented by associated @ref transfer_size_t after each transfer. */ TRANSFER_ADDR_MODE_DECREMENTED = 3 } transfer_addr_mode_t; #endif #ifndef BSP_OVERRIDE_TRANSFER_REPEAT_AREA_T /** Repeat area options (source or destination). In @ref TRANSFER_MODE_REPEAT, the selected pointer returns to its * original value after transfer_info_t::length transfers. In @ref TRANSFER_MODE_BLOCK and @ref TRANSFER_MODE_REPEAT_BLOCK, * the selected pointer returns to its original value after each transfer. */ typedef enum e_transfer_repeat_area { /** Destination area repeated in @ref TRANSFER_MODE_REPEAT or @ref TRANSFER_MODE_BLOCK or @ref TRANSFER_MODE_REPEAT_BLOCK. */ TRANSFER_REPEAT_AREA_DESTINATION = 0, /** Source area repeated in @ref TRANSFER_MODE_REPEAT or @ref TRANSFER_MODE_BLOCK or @ref TRANSFER_MODE_REPEAT_BLOCK. */ TRANSFER_REPEAT_AREA_SOURCE = 1 } transfer_repeat_area_t; #endif #ifndef BSP_OVERRIDE_TRANSFER_CHAIN_MODE_T /** Chain transfer mode options. * @note Only applies for DTC. */ typedef enum e_transfer_chain_mode { /** Chain mode not used. */ TRANSFER_CHAIN_MODE_DISABLED = 0, /** Switch to next transfer after a single transfer from this @ref transfer_info_t. */ TRANSFER_CHAIN_MODE_EACH = 2, /** Complete the entire transfer defined in this @ref transfer_info_t before chaining to next transfer. */ TRANSFER_CHAIN_MODE_END = 3 } transfer_chain_mode_t; #endif #ifndef BSP_OVERRIDE_TRANSFER_IRQ_T /** Interrupt options. */ typedef enum e_transfer_irq { /** Interrupt occurs only after last transfer. If this transfer is chained to a subsequent transfer, * the interrupt will occur only after subsequent chained transfer(s) are complete. * @warning DTC triggers the interrupt of the activation source. Choosing TRANSFER_IRQ_END with DTC will * prevent activation source interrupts until the transfer is complete. */ TRANSFER_IRQ_END = 0, /** Interrupt occurs after each transfer. * @note Not available in all HAL drivers. See HAL driver for details. */ TRANSFER_IRQ_EACH = 1 } transfer_irq_t; #endif #ifndef BSP_OVERRIDE_TRANSFER_CALLBACK_ARGS_T /** Callback function parameter data. / typedef struct st_transfer_callback_args_t { void const p_context; ///< Placeholder for user data. Set in @ref transfer_api_t::open function in ::transfer_cfg_t. } transfer_callback_args_t; #endif /** Driver specific information. */ typedef struct st_transfer_properties { uint32_t block_count_max; ///< Maximum number of blocks uint32_t block_count_remaining; ///< Number of blocks remaining uint32_t transfer_length_max; ///< Maximum number of transfers uint32_t transfer_length_remaining; ///< Number of transfers remaining } transfer_properties_t; #ifndef BSP_OVERRIDE_TRANSFER_INFO_T /** This structure specifies the properties of the transfer. * @warning When using DTC, this structure corresponds to the descriptor block registers required by the DTC. * The following components may be modified by the driver: p_src, p_dest, num_blocks, and length. * @warning When using DTC, do NOT reuse this structure to configure multiple transfers. Each transfer must * have a unique transfer_info_t. * @warning When using DTC, this structure must not be allocated in a temporary location. Any instance of this * structure must remain in scope until the transfer it is used for is closed. * @note When using DTC, consider placing instances of this structure in a protected section of memory. */ typedef struct st_transfer_info { union { struct { uint32_t : 16; uint32_t : 2; /** Select what happens to destination pointer after each transfer. */ transfer_addr_mode_t dest_addr_mode : 2; /** Select to repeat source or destination area, unused in @ref TRANSFER_MODE_NORMAL. */ transfer_repeat_area_t repeat_area : 1; /** Select if interrupts should occur after each individual transfer or after the completion of all planned * transfers. */ transfer_irq_t irq : 1; /** Select when the chain transfer ends. */ transfer_chain_mode_t chain_mode : 2; uint32_t : 2; /** Select what happens to source pointer after each transfer. */ transfer_addr_mode_t src_addr_mode : 2; /** Select number of bytes to transfer at once. @see transfer_info_t::length. */ transfer_size_t size : 2; /** Select mode from @ref transfer_mode_t. / transfer_mode_t mode : 2; } transfer_settings_word_b; uint32_t transfer_settings_word; }; void const volatile p_src; ///< Source pointer void * volatile p_dest; ///< Destination pointer /** Number of blocks to transfer when using @ref TRANSFER_MODE_BLOCK (both DTC an DMAC) or * @ref TRANSFER_MODE_REPEAT (DMAC only) or * @ref TRANSFER_MODE_REPEAT_BLOCK (DMAC only), unused in other modes. */ volatile uint16_t num_blocks; /** Length of each transfer. Range limited for @ref TRANSFER_MODE_BLOCK, @ref TRANSFER_MODE_REPEAT, * and @ref TRANSFER_MODE_REPEAT_BLOCK * see HAL driver for details. */ volatile uint16_t length; } transfer_info_t; #endif /** Driver configuration set in @ref transfer_api_t::open. All elements except p_extend are required and must be * initialized. */ typedef struct st_transfer_cfg { /** Pointer to transfer configuration options. If using chain transfer (DTC only), this can be a pointer to * an array of chained transfers that will be completed in order. / transfer_info_t p_info; void const * p_extend; ///< Extension parameter for hardware specific settings. } transfer_cfg_t; /** Select whether to start single or repeated transfer with software start. */ typedef enum e_transfer_start_mode { TRANSFER_START_MODE_SINGLE = 0, ///< Software start triggers single transfer. TRANSFER_START_MODE_REPEAT = 1 ///< Software start transfer continues until transfer is complete. } transfer_start_mode_t; /** Transfer functions implemented at the HAL layer will follow this API. */ typedef struct st_transfer_api { /** Initial configuration. * * @param[in,out] p_ctrl Pointer to control block. Must be declared by user. Elements set here. * @param[in] p_cfg Pointer to configuration structure. All elements of this structure * must be set by user. / fsp_err_t ( open)(transfer_ctrl_t * const p_ctrl, transfer_cfg_t const * const p_cfg); /** Reconfigure the transfer. * Enable the transfer if p_info is valid. * * @param[in,out] p_ctrl Pointer to control block. Must be declared by user. Elements set here. * @param[in] p_info Pointer to a new transfer info structure. / fsp_err_t ( reconfigure)(transfer_ctrl_t * const p_ctrl, transfer_info_t * p_info); /** Reset source address pointer, destination address pointer, and/or length, keeping all other settings the same. * Enable the transfer if p_src, p_dest, and length are valid. * * @param[in] p_ctrl Control block set in @ref transfer_api_t::open call for this transfer. * @param[in] p_src Pointer to source. Set to NULL if source pointer should not change. * @param[in] p_dest Pointer to destination. Set to NULL if destination pointer should not change. * @param[in] num_transfers Transfer length in normal mode or number of blocks in block mode. In DMAC only, * resets number of repeats (initially stored in transfer_info_t::num_blocks) in * repeat mode. Not used in repeat mode for DTC. / fsp_err_t ( reset)(transfer_ctrl_t * const p_ctrl, void const * p_src, void * p_dest, uint16_t const num_transfers); /** Enable transfer. Transfers occur after the activation source event (or when * @ref transfer_api_t::softwareStart is called if no peripheral event is chosen as activation source). * * @param[in] p_ctrl Control block set in @ref transfer_api_t::open call for this transfer. / fsp_err_t ( enable)(transfer_ctrl_t * const p_ctrl); /** Disable transfer. Transfers do not occur after the activation source event (or when * @ref transfer_api_t::softwareStart is called if no peripheral event is chosen as the DMAC activation source). * @note If a transfer is in progress, it will be completed. Subsequent transfer requests do not cause a * transfer. * * @param[in] p_ctrl Control block set in @ref transfer_api_t::open call for this transfer. / fsp_err_t ( disable)(transfer_ctrl_t * const p_ctrl); /** Start transfer in software. * @warning Only works if no peripheral event is chosen as the DMAC activation source. * @note Not supported for DTC. * * @param[in] p_ctrl Control block set in @ref transfer_api_t::open call for this transfer. * @param[in] mode Select mode from @ref transfer_start_mode_t. / fsp_err_t ( softwareStart)(transfer_ctrl_t * const p_ctrl, transfer_start_mode_t mode); /** Stop transfer in software. The transfer will stop after completion of the current transfer. * @note Not supported for DTC. * @note Only applies for transfers started with TRANSFER_START_MODE_REPEAT. * @warning Only works if no peripheral event is chosen as the DMAC activation source. * * @param[in] p_ctrl Control block set in @ref transfer_api_t::open call for this transfer. / fsp_err_t ( softwareStop)(transfer_ctrl_t * const p_ctrl); /** Provides information about this transfer. * * @param[in] p_ctrl Control block set in @ref transfer_api_t::open call for this transfer. * @param[out] p_properties Driver specific information. / fsp_err_t ( infoGet)(transfer_ctrl_t * const p_ctrl, transfer_properties_t * const p_properties); /** Releases hardware lock. This allows a transfer to be reconfigured using @ref transfer_api_t::open. * * @param[in] p_ctrl Control block set in @ref transfer_api_t::open call for this transfer. / fsp_err_t ( close)(transfer_ctrl_t * const p_ctrl); /** To update next transfer information without interruption during transfer. * Allow further transfer continuation. * * @param[in] p_ctrl Control block set in @ref transfer_api_t::open call for this transfer. * @param[in] p_src Pointer to source. Set to NULL if source pointer should not change. * @param[in] p_dest Pointer to destination. Set to NULL if destination pointer should not change. * @param[in] num_transfers Transfer length in normal mode or block mode. / fsp_err_t ( reload)(transfer_ctrl_t * const p_ctrl, void const * p_src, void * p_dest, uint32_t const num_transfers); /** Specify callback function and optional context pointer and working memory pointer. * * @param[in] p_ctrl Control block set in @ref transfer_api_t::open call for this transfer. * @param[in] p_callback Callback function to register * @param[in] p_context Pointer to send to callback function * @param[in] p_callback_memory Pointer to volatile memory where callback structure can be allocated. * Callback arguments allocated here are only valid during the callback. / fsp_err_t ( callbackSet)(transfer_ctrl_t * const p_ctrl, void (* p_callback)(transfer_callback_args_t ), void const const p_context, transfer_callback_args_t * const p_callback_memory); } transfer_api_t; /** This structure encompasses everything that is needed to use an instance of this interface. / typedef struct st_transfer_instance { transfer_ctrl_t p_ctrl; ///< Pointer to the control structure for this instance transfer_cfg_t const * p_cfg; ///< Pointer to the configuration structure for this instance transfer_api_t const * p_api; ///< Pointer to the API structure for this instance } transfer_instance_t; /* Common macro for FSP header files. There is also a corresponding FSP_HEADER macro at the top of this file. */ FSP_FOOTER #endif /*****************************************************************************************************************// * @} (end defgroup TRANSFER_API) **********************************************************************************************************************/ 这里存在 // 标准函数原型应类似： fsp_err_t R_TRANSFER_Open( transfer_ctrl_t * const p_ctrl, transfer_cfg_t const * const p_cfg);

<think>我们正在寻找FSP框架中R_TRANSFER_Open函数的原型定义。根据用户提供的引用，我们可以类比其他模块（如UART、ADC）的Open函数原型。同时，结合FSP的通用设计模式，我们可以推断R_TRANSFER_Open的函数原型。...

def _sample_indices(self, record): if not self.test_mode and self.random_shift: average_duration = record.num_frames // self.clip_length if average_duration > 0: offsets = np.sort( np.multiply(list(range(self.clip_length)), average_duration) + randint(average_duration, size=self.clip_length)) else: offsets = np.sort(randint(record.num_frames, size=self.clip_length)) else: tick = record.num_frames / float(self.clip_length) offsets = np.array([int(tick / 2.0 + tick * x) for x in range(self.clip_length)]) return offsets解释一下

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这段代码定义了一个名为crossentropy_loss()的函数，用于计算模型的交叉熵损失。该函数接受两个参数，x_true和x_pred，分别表示真实标签和模型预测结果。具体来说，该函数首先通过tf.reshape()函数将预测结果和真实...

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public: void init(std::vector<size_t>&& map_offsets_, size_t size_) { map_offsets = std::move(map_offsets_); flags = std::vector<std::atomic_bool>(size_); }

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