nanopb
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a923be63a9
commit
708ac5f80a
@ -1,5 +1,10 @@
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set(elf_file stm32.elf)
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set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/nanopb/extra)
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find_package(Nanopb REQUIRED)
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nanopb_generate_cpp(TARGET proto simple.proto)
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add_executable(${elf_file}
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main.c
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syscalls.c
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@ -7,12 +12,15 @@ add_executable(${elf_file}
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target_link_libraries(${elf_file} PUBLIC
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bsp
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proto
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)
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target_include_directories(${elf_file} PRIVATE
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${CMAKE_CURRENT_SOURCE_DIR}
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)
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set(EXECUTABLE ${PROJECT_NAME}.elf)
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add_custom_command(TARGET ${EXECUTABLE}
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95
app/main.c
95
app/main.c
@ -1,4 +1,7 @@
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#include "../bsp/bsp.h"
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#include <pb_encode.h>
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#include <pb_decode.h>
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#include "simple.pb.h"
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void MX_GPIO_Init(void)
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{
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@ -92,6 +95,71 @@ void eth_init() {
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NVIC_EnableIRQ(ETH_IRQn);
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}
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void serialzie() {
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/* This is the buffer where we will store our message. */
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uint8_t buffer[128];
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size_t message_length;
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bool status;
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/* Encode our message */
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{
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/* Allocate space on the stack to store the message data.
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*
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* Nanopb generates simple struct definitions for all the messages.
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* - check out the contents of simple.pb.h!
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* It is a good idea to always initialize your structures
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* so that you do not have garbage data from RAM in there.
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*/
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SimpleMessage message = SimpleMessage_init_zero;
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/* Create a stream that will write to our buffer. */
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pb_ostream_t stream = pb_ostream_from_buffer(buffer, sizeof(buffer));
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/* Fill in the lucky number */
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message.number = 42;
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/* Now we are ready to encode the message! */
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status = pb_encode(&stream, SimpleMessage_fields, &message);
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message_length = stream.bytes_written;
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udp_send_data(buffer, message_length);
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/* Then just check for any errors.. */
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if (!status)
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{
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printf("Encoding failed: %s\n", PB_GET_ERROR(&stream));
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return 1;
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}
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}
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/* Now we could transmit the message over network, store it in a file or
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* wrap it to a pigeon's leg.
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*/
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/* But because we are lazy, we will just decode it immediately. */
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// {
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// /* Allocate space for the decoded message. */
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// SimpleMessage message = SimpleMessage_init_zero;
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// /* Create a stream that reads from the buffer. */
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// pb_istream_t stream = pb_istream_from_buffer(buffer, message_length);
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// /* Now we are ready to decode the message. */
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// status = pb_decode(&stream, SimpleMessage_fields, &message);
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// /* Check for errors... */
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// if (!status)
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// {
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// printf("Decoding failed: %s\n", PB_GET_ERROR(&stream));
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// return 1;
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// }
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// /* Print the data contained in the message. */
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// // printf("Project: %s\n", message.project);
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// // printf("Number: %d\n", message.number);
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// }
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return 0;
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}
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int main(void)
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{
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@ -114,12 +182,13 @@ int main(void)
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printf("RCC->PLLCFGR :%d\r\n", RCC->PLLCFGR);
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printf("RCC->APB1ENR :%d\r\n", RCC->APB1ENR);
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udpServer_init();
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// serialzie();
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while (1)
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{
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MX_LWIP_Process(); // poll for ethernet rx and timer operations.
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const char *data = "Hello, world!";
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udp_send_data(data, strlen(data));
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// serialzie();
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GPIO_ToggleBits(GPIOB, GPIO_Pin_14);
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delay(500);
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}
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@ -128,30 +197,6 @@ int main(void)
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void SystemClock_Config()
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{
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// SystemInit();
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SystemCoreClock = 180000000;
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}
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void Error_Handler(void)
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{
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printf("Error Handler Triggered..\r\n");
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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/* USER CODE BEGIN 6 */
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/* User can add his own implementation to report the file name and line number,
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tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* USER CODE END 6 */
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}
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#endif /* USE_FULL_ASSERT */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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10
app/simple.proto
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10
app/simple.proto
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// A very simple protocol definition, consisting of only
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// one message.
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syntax = "proto2";
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message SimpleMessage {
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optional string project = 1 [default = "controls"];
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required int32 number = 2;
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}
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@ -11,6 +11,7 @@ add_library(bsp STATIC
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lwip/stm32f4xx_hal_eth.c
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${LWIP_SOURCE_DIR}/api/err.c
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${LWIP_SOURCE_DIR}/core/def.c
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${LWIP_SOURCE_DIR}/core/inet_chksum.c
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${LWIP_SOURCE_DIR}/core/init.c
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${LWIP_SOURCE_DIR}/core/ip.c
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${LWIP_SOURCE_DIR}/core/mem.c
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