void rf_set_rx(RF_RX_INFO *pRRI, uint8_t channel)
{
rf_flush_rx_fifo();
rf_set_channel(channel);
rfSettings.pRxInfo = pRRI;
MRF_FSM_RESET();
}
// Setup working channel
static void setup_channel(void)
{
int r;
set_state(st_setup);
// Select control channel
rf_set_channel(CTL_CHANNEL);
// Wait setup message
r = rfb_receive_msg(&g_rf, pkt_setup);
if (r) {
// Show error message
rfb_err_msg(r);
// Reset itself
wc_delay(&g_wc, SHORT_DELAY_TICKS);
reset();
} else {
// Show channel number
display_msg("Ch");
display_set_dp(1);
display_hex_(g_rf.rx.p.setup.chan, 2, 2);
}
beep_on();
// Set working channel
rf_set_channel(g_rf.rx.p.setup.chan);
// Delay to allow sender to switch to RX
wc_delay(&g_wc, SETUP_RESP_DELAY);
// Send test message
g_rf.tx.setup_resp.li = g_rf.rx.li;
rfb_send_msg(&g_rf, pkt_setup_resp);
beep_off();
// Reset itself on error or in test mode
if (r || (g_rf.rx.p.setup.flags & SETUP_F_TEST))
reset();
}
// Configures RF parameters before Enhanced Shockburst can be used.
static void configureRF()
{
packet_received = false;
// Enable the radio clock
rf_clock_enable();
// Set pipe address
rf_set_tx_address(default_pipe_address,5); //also set addr width and pipe 0 addr
// Set initial channelC
rf_set_channel(default_channels[1]);
// Enable shockburst
rf_enable_shockburst(dr2m,n0dbm,5,false,true); //data rate 2m, pa=0dbm, retransmit 5 times, ptx mode, powerup
//rf_power_up();
}
void rf_init(RF_RX_INFO *pRRI, uint8_t channel, uint16_t panId, uint16_t myAddr)
{
mrf_init();
rf_set_channel(channel);
mrf_set_addr(myAddr);
mrf_set_panid(panId);
rfSettings.myAddr = myAddr;
rfSettings.panId = panId;
rfSettings.txSeqNumber = 1;
rfSettings.pRxInfo = pRRI;
rf_auto_ack_enable();
auto_ack_enable = 1;
security_enable = 0;
NVIC_EnableIRQ(EINT3_IRQn); // Enable the EXT3 interrupt
// TODO: Paul Gurniak, check that our init settings match expected
}
int
main(int argc, char *argv[])
{
node_id_restore();
/* init system: clocks, board etc */
system_init();
sio2host_init();
leds_init();
leds_on(LEDS_ALL);
system_interrupt_enable_global();
flash_init();
delay_init();
/* Initialize Contiki and our processes. */
#ifdef LOW_POWER_MODE
configure_tc3();
#else
clock_init();
#endif
process_init();
ctimer_init();
rtimer_init();
process_start(&etimer_process, NULL);
/* Set MAC address and node ID */
#ifdef NODEID
node_id = NODEID;
#ifdef BURN_NODEID
node_id_burn(node_id);
#endif /* BURN_NODEID */
#else/* NODE_ID */
#endif /* NODE_ID */
printf("\r\n\n\n\n Starting the SmartConnect-6LoWPAN \r\n Platform : Atmel IoT device \r\n");
print_reset_causes();
netstack_init();
#if BOARD == SAMR21_XPLAINED_PRO
eui64 = edbg_eui_read_eui64();
SetIEEEAddr(eui64);
#else
SetIEEEAddr(node_mac);
#endif
set_link_addr();
rf_set_channel(RF_CHANNEL);
printf("\r\n Configured RF channel: %d\r\n", rf_get_channel());
leds_off(LEDS_ALL);
process_start(&sensors_process, NULL);
energest_init();
ENERGEST_ON(ENERGEST_TYPE_CPU);
if(node_id > 0) {
printf(" Node id %u.\r\n", node_id);
} else {
printf(" Node id not set.\r\n");
}
/* Setup nullmac-like MAC for 802.15.4 */
#if SAMD
memcpy(&uip_lladdr.addr, node_mac, sizeof(uip_lladdr.addr));
#else
memcpy(&uip_lladdr.addr, eui64, sizeof(uip_lladdr.addr));
#endif
queuebuf_init();
printf(" %s %lu %d\r\n",
NETSTACK_RDC.name,
(uint32_t) (CLOCK_SECOND / (NETSTACK_RDC.channel_check_interval() == 0 ? 1:
NETSTACK_RDC.channel_check_interval())),
RF_CHANNEL);
process_start(&tcpip_process, NULL);
printf(" IPv6 Address: ");
{
uip_ds6_addr_t *lladdr;
int i;
lladdr = uip_ds6_get_link_local(-1);
for(i = 0; i < 7; ++i) {
printf("%02x%02x:", lladdr->ipaddr.u8[i * 2],
lladdr->ipaddr.u8[i * 2 + 1]);
}
printf("%02x%02x\r\n", lladdr->ipaddr.u8[14], lladdr->ipaddr.u8[15]);
}
{
uip_ipaddr_t ipaddr;
int i;
uip_ip6addr(&ipaddr, 0xfc00, 0, 0, 0, 0, 0, 0, 0);
uip_ds6_set_addr_iid(&ipaddr, &uip_lladdr);
uip_ds6_addr_add(&ipaddr, 0, ADDR_TENTATIVE);
printf("Tentative global IPv6 address ");
for(i = 0; i < 7; ++i) {
printf("%02x%02x:",
ipaddr.u8[i * 2], ipaddr.u8[i * 2 + 1]);
}
printf("%02x%02x\r\n",
ipaddr.u8[7 * 2], ipaddr.u8[7 * 2 + 1]);
}
print_processes(autostart_processes);
/* set up AES key */
#if ((THSQ_CONF_NETSTACK) & THSQ_CONF_AES)
#ifndef NETSTACK_AES_KEY
#error Please define NETSTACK_AES_KEY!
#endif /* NETSTACK_AES_KEY */
{
const uint8_t key[] = NETSTACK_AES_KEY;
netstack_aes_set_key(key);
}
printf("AES encryption is enabled\n");
#else /* ((THSQ_CONF_NETSTACK) & THSQ_CONF_AES) */
printf("\r\n Warning: AES encryption is disabled\n");
#endif /* ((THSQ_CONF_NETSTACK) & THSQ_CONF_AES) */
#ifdef ENABLE_LEDCTRL
ledctrl_init();
#endif
autostart_start(autostart_processes);
while(1){
int r = 0;
serial_data_handler();
do {
r = process_run();
} while(r > 0);
}
}
/**
* isa_set_channel()
*
* This function set channel and is used for channel hopping.
*
*/
void isa_set_channel (uint8_t chan)
{
isa_param.channel = chan;
rf_set_channel (chan);
}
/* Ma-ma-ma-main function! */
void main()
{
command_t cmd = CMD_NO_CMD;
uint16_t channel_timer = 0, bootloader_timer = 0, connection_timer = 0;
uint8_t ch_i = 0;
bool running;
// Disable global interrupt
cli();
// Set up parameters for RF communication.
configureRF();
#ifdef DEBUG_LED_
P0DIR = 0;
P0 = 0x55;
#endif
running = true;
// Boot loader loop.
// Will terminate after a couple of seconds if firmware has been successfully
// installed.
send(CMD_PING,1);
while(running) {
if(send_success){
if (packet_received) {
connection_timer = 0;
cmd = MSG_CMD;
switch (cmd) {
// Host initiates contact with the device.
case CMD_INIT:
// Send ACK to host, go to CONNECTED state if successful.
sendInitAck();
// Reset timers
channel_timer = bootloader_timer = 0;
break;
// Host starts a firmware update.
case CMD_UPDATE_START:
if (state == CONNECTED) {
// Initiate firmware updates, go to RECEIVING_FIRMWARE state
// if successful.
startFirmwareUpdate();
}
#ifdef DEBUG_LED_
P0 = state;
#endif
break;
// Write message containing one hex record.
case CMD_WRITE:
if (state == RECEIVING_FIRMWARE) {
writeHexRecord( );
}
#ifdef DEBUG_LED_
P0 = 0x40;
#endif
break;
// Firmware update has been completed.
case CMD_UPDATE_COMPLETE:
// Check that every byte is received.
if (bytes_received == bytes_total) {
// Mark firmware as successfully installed.
flash_write_byte(FW_NUMBER, firmware_number);
state = CONNECTED;
send(CMD_ACK,1);
} else {
send(CMD_NACK,1);
}
if (!send_success) {
state = ERROR;
}
#ifdef DEBUG_LED_
P0 = 0x10;
#endif
break;
// Host request data from flash at specified address.
case CMD_READ:
readHexRecord();
#ifdef DEBUG_LED_
P0 = 0x20;
#endif
break;
// Host sends pong to keep connections with device.
case CMD_PONG:
send(CMD_PING,1);
#ifdef DEBUG_LED_
P0 = 0x80;
#endif
break;
// Host sends disconnect
case CMD_EXIT:
send(CMD_ACK,1);
if(send_success)running=false;
state = PINGING;
break;
// These commands should no be received.
case CMD_NO_CMD:
default:
state = ERROR;
break;
}
// Clear command
cmd = CMD_NO_CMD;
}else{ //Host app do not reply, reping
send(CMD_PING,1);
}
}else{ //host unreached
if (state == PINGING) {
// Will ping to one channel for 'a while' before changing.
if (++channel_timer > CHANNEL_TIMEOUT) {
channel_timer = 0;
// Go to next channel
ch_i = (ch_i+1)%CHANNEL_SIZE;
rf_set_channel(default_channels[ch_i]);
#ifdef DEBUG_LED_
P0 = ch_i;
#endif
// After changing channels and being in the PINGING state
// for 'a while', boot loader loop will check if there is firmware
// installed, and if so end the while(running) loop.
if (++bootloader_timer > BOOTLOADER_TIMEOUT) {
bootloader_timer = 0;
running = (flash_read_byte(FW_NUMBER) != 0xFF) ? false : true;
}else send(CMD_PING,1);
}
}else {
if (++connection_timer > CONNECTION_TIMEOUT) state = PINGING;
send(CMD_PING,1);
}
}
}
resetRF();
#ifdef DEBUG_LED_
// Default value for P0DIR
P0 = 0x00;
P0DIR = 0xFF;
#endif
// Reads address of firmware's reset vector.
temp_data[0] = flash_read_byte(FW_RESET_ADDR_H);
temp_data[1] = flash_read_byte(FW_RESET_ADDR_L);
// sti(); //Should we enable irqs? or should the firmware enable it later?
// Jump to firmware. Goodbye!
((firmware_start)(((uint16_t)temp_data[0]<<8) | (temp_data[1])))();
}
void ota_mgr_set_channel(uint8_t channel)
{
rf_set_channel(channel);
}