feat: ✅ 去掉上位机udp准备部分,直接进入循环开始发送数据。
该版本仅用于测试。
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@ -133,54 +133,54 @@ void *handleUdpTransmission(void *arg)
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printf("[mmap]: wr_idx ready\n");
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// ucp4008_ctrl_mmap_base
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ucp4008_ctrl_mmap_base = mmap(
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NULL,
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MAP_SIZE_ST_CASE52,
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PROT_READ | PROT_WRITE,
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MAP_SHARED,
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mem_fd_case52,
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UCP4008_CTRL_PHYSADDR
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);
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if (ucp4008_ctrl_mmap_base == MAP_FAILED) {
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printf("[mmap]: ucp4008_ctrl mapping failed!\n");
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perror("ucp4008_ctrl error");
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close(mem_fd_case52);
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exit(EXIT_FAILURE);
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}
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// ucp4008_ctrl_mmap_base = mmap(
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// NULL,
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// MAP_SIZE_ST_CASE52,
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// PROT_READ | PROT_WRITE,
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// MAP_SHARED,
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// mem_fd_case52,
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// UCP4008_CTRL_PHYSADDR
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// );
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// if (ucp4008_ctrl_mmap_base == MAP_FAILED) {
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// printf("[mmap]: ucp4008_ctrl mapping failed!\n");
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// perror("ucp4008_ctrl error");
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// close(mem_fd_case52);
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// exit(EXIT_FAILURE);
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// }
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// udp_ctrl
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char *ctrl_message = "ready";
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sendto(sockfd_case52, ctrl_message, strlen(ctrl_message), 0,
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(struct sockaddr *)&server_addr_case52, sizeof(server_addr_case52));
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printf("[sendto]:%s\n", ctrl_message);
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// char *ctrl_message = "ready";
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// sendto(sockfd_case52, ctrl_message, strlen(ctrl_message), 0,
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// (struct sockaddr *)&server_addr_case52, sizeof(server_addr_case52));
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// printf("[sendto]:%s\n", ctrl_message);
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char ctrl_buffer[CTRL_BUFFER_SIZE];
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struct sockaddr_in from_addr;
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socklen_t from_addr_len = sizeof(from_addr);
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int recv_len;
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int strcmp_flag = 1;
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// char ctrl_buffer[CTRL_BUFFER_SIZE];
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// struct sockaddr_in from_addr;
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// socklen_t from_addr_len = sizeof(from_addr);
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// int recv_len;
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// int strcmp_flag = 1;
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while (strcmp_flag)
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{
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recv_len = recvfrom(sockfd_case52, ctrl_buffer, CTRL_BUFFER_SIZE, 0,
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(struct sockaddr *)&from_addr, &from_addr_len);
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if (recv_len < 0) {
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printf("[recv_len]:recv_len < 0\n");
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}
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// while (strcmp_flag)
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// {
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// recv_len = recvfrom(sockfd_case52, ctrl_buffer, CTRL_BUFFER_SIZE, 0,
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// (struct sockaddr *)&from_addr, &from_addr_len);
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// if (recv_len < 0) {
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// printf("[recv_len]:recv_len < 0\n");
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// }
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ctrl_buffer[recv_len] = '\0';
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printf("[recvfrom]:%s\n", ctrl_buffer);
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if (strcmp(ctrl_buffer, "ok") == 0) {
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//usleep(1000000);
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printf("[mmap]:wr...\n");
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mapped_addr = (volatile uint32_t *)ucp4008_ctrl_mmap_base;
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*mapped_addr = 0xA5A55A5A;
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printf("[mmap]: wr 0xA5A55A5A done :) \n");
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strcmp_flag = 0;
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} else {
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printf("[recvfrom]:strcmp no ok!\n");
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}
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}
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// ctrl_buffer[recv_len] = '\0';
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// printf("[recvfrom]:%s\n", ctrl_buffer);
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// if (strcmp(ctrl_buffer, "ok") == 0) {
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// //usleep(1000000);
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// printf("[mmap]:wr...\n");
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// mapped_addr = (volatile uint32_t *)ucp4008_ctrl_mmap_base;
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// *mapped_addr = 0xA5A55A5A;
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// printf("[mmap]: wr 0xA5A55A5A done :) \n");
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// strcmp_flag = 0;
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// } else {
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// printf("[recvfrom]:strcmp no ok!\n");
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// }
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// }
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// 初始化消费者索引
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r_idx = 0;
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