int modbus_mst_run(modbus_channel_s *modbus_channel)
{
USART_InitTypeDef USART_InitStructure;
if (!modbus_channel)
return -1;
USART_InitStructure.USART_BaudRate = 57600;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
serial_port_init(modbus_channel->chno, &USART_InitStructure);
serial_port_rx_timeout_set(modbus_channel->chno, 10000);
vSemaphoreCreateBinary(modbus_channel->ctrl_sem);
xSemaphoreTake(modbus_channel->ctrl_sem, 0);
xTaskCreate(modbus_mst_thread, (signed char *)"mdb", configMINIMAL_STACK_SIZE, (void *)modbus_channel, USART_RX_TASK_PRIORITY, NULL);
return 0;
}
int main(int argc, char*argv){
int fd, wnbytes, rnbytes;
char buffer[2200];
char *bufptr;
// open and configure port
if((fd=serial_port_init(PORT, RATE))<0){
printf("Cannot open port and set port attributes\n");
}
// test port send "??" and wait for the reply - eDVS CLI menu
printf("--------------------------------\n");
printf("WRITE: \n ??\n");
wnbytes = write(fd, "??\n", 3);
if (wnbytes < 0)
printf("write() failed!\n");
// read characters into our string buffer
bufptr = buffer;
while ((rnbytes = read(fd, bufptr, buffer + sizeof(buffer) - bufptr - 1)) > 0){
bufptr += rnbytes;
}
// nul terminate the string and print it
*bufptr = '\0';
printf("--------------------------------\n");
printf("READ: \n %s\n", buffer);
return EXIT_SUCCESS;
}
void serial_log_init() {
serial_port_init(PORT_COM1);
log_add_writer(serial_log_com1, "serial-log");
log_set_level("serial-log", Trace);
}
/**
* \brief Main application
*/
int main(void)
{
char test_file_name[] = "0:sd_image.bin";
FRESULT res;
FATFS fs;
FIL file_object;
uint32_t len=0;
uint32_t curr_prog_addr=APP_START_ADDRESS;
struct nvm_config config;
UINT iRead=0;
check_boot_mode();
system_init();
delay_init();
irq_initialize_vectors();
cpu_irq_enable();
/* Initialize SD MMC stack */
sd_mmc_init();
nvm_get_config_defaults(&config);
nvm_set_config(&config);
/* Turn ON LED */
port_pin_set_output_level(BOOT_LED, false);
#ifdef __DEBUG_PRINT__
serial_port_init();
printf("\x0C\n\r-- SD/MMC Card FatFs Boot Loader --\n\r");
printf("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
printf("Please plug an SD/MMC card in slot.\n\r");
#endif
/* Wait card present and ready */
sd_mmc_ready();
memset(&fs, 0, sizeof(FATFS));
res = f_mount(LUN_ID_SD_MMC_0_MEM, &fs);
if (FR_INVALID_DRIVE == res) {
#ifdef __DEBUG_PRINT__
printf("[FAIL] Mounting SD card failed result= %d\r\n", res);
#endif
}
#ifdef __DEBUG_PRINT__
printf("Mounting the SD card successful...\r\n");
#endif
res =f_open(&file_object,(const char *)test_file_name,FA_READ);
if(res != FR_OK) error_fatal(FILE_OPEN_ERROR);
do {
if(file_object.fsize > MAX_CODE_SIZE) error_fatal(MAX_SIZE_ERROR);
res = f_read(&file_object, (void *) buff, MAX_BUF_SIZE, &iRead);
if(res != FR_OK) error_fatal(FILE_READ_ERROR);
/* Program the read data into Flash */
if(iRead)
{
program_memory(curr_prog_addr, buff,iRead);
#ifdef __DEBUG_PRINT__
printf("*");
#endif
}
/* Increment the current programming address */
curr_prog_addr += iRead;
len += iRead;
if(len > MAX_CODE_SIZE)
error_fatal(MAX_SIZE_ERROR);
/* Do this till end of file */
} while (iRead != 0);
#ifdef __DEBUG_PRINT__
printf("\r\n[PROGRAMMING COMPLETED]..Resetting !!!!\r\n");
#endif
// Intentionally not closing the file object to reduce code size !!!.
start_application();
while(1);
// Should have reset by now !!!.
}
