int ipm_console_receiver_init(struct device *d)
{
const struct ipm_console_receiver_config_info *config_info =
d->config->config_info;
struct ipm_console_receiver_runtime_data *driver_data = d->driver_data;
struct device *ipm;
ipm = device_get_binding(config_info->bind_to);
if (!ipm) {
printk("unable to bind IPM console receiver to '%s'\n",
config_info->bind_to);
return -EINVAL;
}
if (ipm_max_id_val_get(ipm) < 0xFF) {
printk("IPM driver %s doesn't support 8-bit id values",
config_info->bind_to);
return -EINVAL;
}
driver_data->ipm_device = ipm;
driver_data->channel_disabled = 0;
k_sem_init(&driver_data->sem, 0, UINT_MAX);
ring_buf_init(&driver_data->rb, config_info->rb_size32,
config_info->ring_buf_data);
ipm_register_callback(ipm, ipm_console_receive_callback, d);
k_thread_create(&driver_data->rx_thread, config_info->thread_stack,
CONFIG_IPM_CONSOLE_STACK_SIZE, ipm_console_thread, d,
NULL, NULL, K_PRIO_COOP(IPM_CONSOLE_PRI), 0, 0);
ipm_set_enabled(ipm, 1);
return 0;
}
umtp_t umtp_init(char *addr, uint16_t port, umtp_flag flag, umtp_callback callback, m_probe_state mprobe_state)
{
int mc_port;
struct umtp *session;
char name[255], *umtp_addr = NULL, mc_addr[12], s_type[7];
int state, m_state, umtp_state, rx_state, ttl = DEFAULT_TTL;
#ifdef WIN32
WORD wVersionRequested;
WSADATA wsaData;
int err;
wVersionRequested = MAKEWORD( 2, 2 );
err = WSAStartup( wVersionRequested, &wsaData );
if ( err != 0 ) {
/* Tell the user that we could not find a usable */
/* WinSock DLL. */
return NULL;
}
#endif
if(umtp_addr_valid(addr))
umtp_addr = umtp_host_addr(addr);
else
{
printf("Address is not valid!\n");
#ifdef WIN32
WSACleanup();
#endif
return NULL;
}
if (flag == MASTER) strcpy(s_type, "MASTER");
else strcpy(s_type, "SERVER");
session = (umtp_t)malloc(sizeof(umtp));
memset(session, 0, sizeof(umtp));
session->port = port;
session->allowed_endpoints = NULL;
session->active_groups = NULL;
session->s = udp_init(umtp_addr, port, port, ttl);
session->flag = flag;
session->mstate = mprobe_state;
// Due to the problem in setting ttl value for socket session->s using udp_init
if (setsockopt(session->s->fd, IPPROTO_IP, IP_MULTICAST_TTL, (char *) &(session->s->ttl), sizeof(session->s->ttl)) != 0)
{
fprintf(stdout, "[umtp__init] setsockopt IP_MULTICAST_TTL");
umtp_end = 1;
}
// put local ip address into session->addr
if(( gethostname(name, sizeof(name))) >= 0) {
session->addr = umtp_host_addr(name);
if( session->addr == NULL )
umtp_end = 1;
}
else {
printf("gethostname failed");
umtp_end = 1;
}
//session->log = fopen("umtp.log", "a");
session->log = stdout;
if( session->log == NULL )
printf("Error: can't open log file.\n");
fprintf(session->log, "\n====== UMTP %s Initialization ======\n", s_type);
fprintf(session->log, " *** LOCAL IP ADDR [%s/%d]\n", session->addr, port);
ring_buf_init(4*1024);
//=================================================================================//
// UMTP Recv Thread
//=================================================================================//
umtp_state = pthread_create(&session->umtp_id, NULL, umtp_recv, (void *)session);
if(umtp_state != 0)
{
fprintf(session->log, "Error in creating UMTP recv thread!\n");
umtp_end = 1;
}
fprintf(session->log, " *** THREAD CREATE - UMTP recv\n");
//=================================================================================//
// UMTP Rx Handler Thread
//=================================================================================//
rx_state = pthread_create(&session->rx_id, NULL, umtp_rx_handler, (void *)session);
if(rx_state != 0)
{
fprintf(session->log, "Error in creating UMTP RX Handler thread!\n");
umtp_end = 1;
}
fprintf(session->log, " *** THREAD CREATE - UMTP RX Handler \n");
//=================================================================================//
// MPROBE Thread
//=================================================================================//
strcpy(mc_addr, "224.2.2.224");
mc_port = 50000;
if( mprobe_state == MPROBE_START )
{
session->m = udp_init(mc_addr, mc_port, mc_port, ttl);
m_state = pthread_create(&session->m_id, NULL, mcast_check, (void *)session);
if(m_state != 0)
{
fprintf(session->log, "Error in creating multicast check thread!\n");
umtp_end = 1;
}
fprintf(session->log, " *** THREAD CREATE - MPROBE [%s/%d]\n", mc_addr, mc_port);
}
else
{
fprintf(session->log, " *** DO NOT CREATE MPROBE THREAD\n");
}
//=================================================================================//
// UGMP Thread
//=================================================================================//
session->s1 = udp_init(umtp_addr, port+1, port+1, ttl);
state = pthread_create(&session->u_id, NULL, ucast_recv, (void *)session);
if(state != 0)
{
fprintf(session->log, "Error in creating thread!\n");
umtp_end = 1;
}
fprintf(session->log, " *** THREAD CREATE - UGMP [%s/%d]\n", session->addr, port+1);
//= end of thread creation ========================================================//
if( session->flag == MASTER ) notify_error = 0; // notification of error to AG Connector
else notify_error = 1; // server doesn't need to notify
// set new cookie value
srand((unsigned)time(NULL));
#ifndef WIN32
lrand48();
#endif
session->local_cookie = (uint16_t)lrand48();
fprintf(session->log, " *** LOCAL COOKIE [%d]\n", session->local_cookie);
// add umtp server as an endpoint
umtp_add_endpoint(session, umtp_addr, port, (uint16_t)lrand48());
if(session->s == NULL) umtp_end = 1;
else {
session->callback = callback;
return session;
}
return session;
}
void uart1_init(uint32_t baudRate)
{
GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
uart_process_init(&usart1_process, rxBuffer, UART_BUFFER_SIZE, &usart1_parser, USART1, uart_data_ready);
ring_buf_init(usart_rx);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
// UART1 TX -> PA.9, RX -> PA.10
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOA, &GPIO_InitStructure);
// DMA TX Interrupt
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel4_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
// USART1 Interrupt
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
USART_InitStructure.USART_BaudRate = baudRate;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USART1, &USART_InitStructure);
// Transmit DMA
DMA_DeInit(DMA1_Channel4);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t) & USART1->DR;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)txBuffer;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
DMA_InitStructure.DMA_BufferSize = sizeof(txBuffer);
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_InitStructure.DMA_Priority = DMA_Priority_Medium;
DMA_Init(DMA1_Channel4, &DMA_InitStructure);
DMA_ITConfig(DMA1_Channel4, DMA_IT_TC | DMA_IT_TE, ENABLE);
DMA1_Channel4->CNDTR = 0;
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
USART_Cmd(USART1, ENABLE);
usart1_process.txBusy = 0;
}