/**
* Configure USART to work @ 115200
*/
static void _configure_usart(void)
{
Usart* usart = usart_desc.addr;
uint32_t id = get_usart_id_from_addr(usart);
/* Driver initialize */
xdmad_initialize(0);
usartd_configure(&usart_desc);
pio_configure(usart_pins, ARRAY_SIZE(usart_pins));
usart_enable_it(usart, US_IER_RXRDY);
aic_set_source_vector(id, usart_irq_handler);
aic_enable(id);
}
/**
* \brief Init Usart COM2 master.
*/
static void _init_com_master (void)
{
uint32_t id = get_usart_id_from_addr(lin_desc2.addr);
/* Configure Pios usart*/
pio_configure(&pins_com2[0], ARRAY_SIZE(pins_com2));
/* Init LIN MASTER data Node 0 */
lin_init(&lin_desc2, LIN_MASTER_NODE_NUM);
/* Configure interrupts */
usart_enable_it(lin_desc2.addr, US_IER_LINTC);
aic_set_source_vector(id, _com2_master_handler);
}
/**
* \brief Init Usart COM3 slave.
*/
static void _init_com_slave (void)
{
uint32_t id = get_usart_id_from_addr(lin_desc3.addr);
/* Configure Pios usart*/
pio_configure(&pins_com3[0], ARRAY_SIZE(pins_com3));
/* Init LIN SLAVE data Node 0 */
lin_init(&lin_desc3, LIN_SLAVE_NODE_NUM);
/* Configure interrupts */
usart_enable_it(lin_desc3.addr, US_IER_LINID);
aic_set_source_vector(id, _com3_slave_handler);
aic_enable(id);
}
/**
* \brief Button event.
*/
static void _process_button_evt(void)
{
uint32_t id = get_usart_id_from_addr(lin_desc2.addr);
switch (key) {
case 'P':
case 'p':
/* No interrupt on Master */
aic_disable(id);
/* Configure lin_descriptor MASTER */
lin_msg_master.id = LIN_FRAME_ID_12;
lin_msg_master.dlc = sizeof(lin_data_master);
lin_msg_master.lin_cmd = PUBLISH;
lin_register_descriptor(LIN_MASTER_NODE_NUM, 0, &lin_msg_master);
/* Configure lin_descriptor SLAVE */
lin_msg_slave.id = LIN_FRAME_ID_12;
lin_msg_slave.dlc = sizeof(lin_data_slave);
lin_msg_slave.lin_cmd = SUBSCRIBE;
lin_msg_slave.pfnct = lin_slave_task_ID12,
lin_register_descriptor(LIN_SLAVE_NODE_NUM, 0, &lin_msg_slave);
memcpy(&lin_data_master, "12345678", sizeof(lin_data_master));
break;
case 'S':
case 's':
/* Configure lin_descriptor MASTER */
lin_msg_master.id = LIN_FRAME_ID_15;
lin_msg_master.dlc = sizeof(lin_data_master);
lin_msg_master.lin_cmd = SUBSCRIBE;
lin_register_descriptor(LIN_MASTER_NODE_NUM, 1, &lin_msg_master);
/* Configure lin_descriptor SLAVE */
lin_msg_slave.id = LIN_FRAME_ID_15;
lin_msg_slave.dlc = sizeof(lin_data_slave);
lin_msg_slave.lin_cmd = PUBLISH;
lin_register_descriptor(LIN_SLAVE_NODE_NUM, 1, &lin_msg_slave);
/* Interrupt Master, wait transfert complete */
aic_enable(id);
memcpy(&lin_data_slave, "87654321", sizeof(lin_data_slave));
break;
default:
aic_disable(id);
lin_msg_master.lin_cmd = IGNORE;
lin_msg_slave.lin_cmd = IGNORE;
break;
}
}
