Jaesung Oh
/
mbed-os-tcp-server-example
LAN2CAN Test
main.cpp
- Committer:
- jsoh91
- Date:
- 2019-10-15
- Revision:
- 0:e367ec7e677f
File content as of revision 0:e367ec7e677f:
#if !FEATURE_LWIP #error [NOT_SUPPORTED] LWIP not supported for this target #endif #include "mbed.h" #include "EthernetInterface.h" #define IP "10.12.3.26" #define NETMASK "255.255.255.0" #define GATEWAY "192.168.137.1" #define serv_IP "10.12.3.25" #define TMR3_COUNT 54000000 // loop 5k #include <cstdlib> #include <iostream> using namespace std; float calc_time = 0.0f; Timer t; extern "C" void TIM3_IRQHandler(void) { if ( TIM3->SR & TIM_SR_UIF ) { } TIM3->SR = 0x0; } void Init_TMR3() { RCC->APB1ENR |= RCC_APB1ENR_TIM3EN; // enable TIM3 clock //ISR Setup NVIC_EnableIRQ(TIM3_IRQn); //Enable TIM3 IRQ TIM3->DIER |= TIM_DIER_UIE; // enable update interrupt TIM3->CR1 = 0x40; // CMS = 10, interrupt only when counting up // Center-aligned mode TIM3->CR1 |= TIM_CR1_UDIS; TIM3->CR1 |= TIM_CR1_ARPE; // autoreload on, TIM3->RCR |= 0x001; // update event once per up/down count of TIM3 TIM3->EGR |= TIM_EGR_UG; TIM3->PSC = 0x4; // no prescaler, timer counts up in sync with the peripheral clock TIM3->ARR = TMR3_COUNT; // set auto reload, 5 khz TIM3->CCER |= ~(TIM_CCER_CC1NP); // Interupt when low side is on. TIM3->CR1 |= TIM_CR1_CEN; // enable TIM4 } int main() { Init_TMR3(); TIM3->CR1 ^= TIM_CR1_UDIS; NVIC_SetPriority(TIM3_IRQn, 2); t.reset(); t.start(); // // wait(1.0); // printf("Basic HTTP client example\n"); // // EthernetInterface eth; // eth.set_network(IP, NETMASK, GATEWAY); // eth.connect(); //// //// int eth_state = eth.connect(); //// // printf("The target IP address is '%s'\n", eth.get_ip_address()); // // TCPSocket clt_sock; // clt_sock.open(ð); // clt_sock.connect(serv_IP,80); // // // UDPSocket clt_sock; //// clt_sock.open(ð); ////// clt_sock.connect("192.168.137.25",80); // //// SocketAddress serv_IP; // // char tbuffer[] = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; // char rbuffer[128]; while (true) { cout << "t : " << calc_time << endl; wait(0.2f); // t.reset(); // t.start(); // clt_sock.send(tbuffer, strlen(tbuffer)); // t.stop(); // printf("send time: %f\n",t.read()*1000.0f); // // t.reset(); // t.start(); // clt_sock.recv(rbuffer,50); // t.stop(); // printf("recv time: %f\n",t.read()*1000.0f); } }