forked from test34/can_wizard
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
#include "cmd_can.h"
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#include "driver/twai.h"
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#include "freertos/projdefs.h"
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#include "hal/twai_types.h"
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#include "string.h"
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#include "esp_console.h"
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#include "argtable3/argtable3.h"
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#include "xvprintf.h"
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#include "can.h"
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static void register_send_can_frame(void);
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void register_can_commands(void) {
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register_send_can_frame();
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}
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static struct {
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struct arg_str *message;
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struct arg_end *end;
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} cansend_args;
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static int send_can_frame(int argc, char **argv) {
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char printf_str[50];
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char can_msg_str_buf[50];
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int nerrors = arg_parse(argc, argv, (void **) &cansend_args);
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if (nerrors != 0) {
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arg_print_errors(stderr, cansend_args.end, argv[0]);
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return 1;
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}
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const char *can_msg_ptr = cansend_args.message->sval[0];
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strlcpy(can_msg_str_buf, can_msg_ptr, sizeof(can_msg_str_buf));
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printf("%s\n", can_msg_str_buf);
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twai_message_t msg = {.extd = 1};
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msg.data_length_code = 0;
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msg.identifier = 0xFF << 8;
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twai_transmit(&msg, pdMS_TO_TICKS(1000));
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can_msg_to_str(&msg, printf_str);
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printf("sent %s\n", printf_str);
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return 0;
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}
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static void register_send_can_frame(void) {
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cansend_args.message = arg_str1(NULL, NULL, "ID#data", "Message to send, ID and data bytes, all in hex. # is the delimiter.");
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cansend_args.end = arg_end(2);
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const esp_console_cmd_t cmd = {
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.command = "cansend",
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.help = "Send a can message to the bus, example: cansend 00008C03#02",
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.hint = NULL,
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.func = &send_can_frame,
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.argtable = &cansend_args,
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};
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ESP_ERROR_CHECK( esp_console_cmd_register(&cmd) );
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}
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