static void sniff_switch_channel(handler_arg_t arg)
{
phy_idle(platform_phy);
// Select next channel
do
{
radio.current_channel++;
if (radio.current_channel > PHY_2400_MAX_CHANNEL)
{
radio.current_channel = PHY_2400_MIN_CHANNEL;
}
} while ((radio.channels & (1 << radio.current_channel)) == 0);
// Enter RX on new channel
phy_set_channel(platform_phy, radio.current_channel);
phy_status_t ret = phy_rx(platform_phy, 0,
soft_timer_time() + soft_timer_ms_to_ticks(500),
radio.sniff.pkt_buf + radio.sniff.pkt_index, sniff_rx);
if (ret != PHY_SUCCESS)
{
log_error("PHY RX Failed");
}
log_debug("Sniff RX on channel %u", radio.current_channel);
}
/****************************************************************
* Description: The TxInProgress bit is set when the mac_tx_data
* function is called the first time to actually send the
* packet. After that, each loop through the mac_tx_handler
* checks to see if the TX started and finished correctly.
* The FSM becomes idle if:
* a. the PHY TX returns an error
* b. the PHY TX returned success
* c. the PHY TX returned failed and we exhausted retries.
*
* Arguments:
* None.
* Return:
* None.
*
* Date: 2010-05-20
****************************************************************/
static void mac_tx_handler()
{
// Ensure tx is in progress
if(mac_tx_busy())
{
// PHY layer has finish the tx
if (phy_idle())
{
// Copy the tx result
a_mac_service.status = phy_tx_result();
#ifdef STATISTIC
// If send success?
if (a_mac_service.status == LRWPAN_STATUS_SUCCESS)
statistic_mac_tx ++;
else
statistic_mac_err++;
#endif
// Set mac tx to idle
mac_set_tx_idle();
mac_state = MAC_STATE_IDLE;
// Change the mhr filled state, so we can
// send data in the queue
new_mhr_filled = FALSE;
// Remove the data from queue
queue_remove_next(&mac_send_queue);
}
}
}
static void send_packet(handler_arg_t arg)
{
// Set IDLE
phy_idle(platform_phy);
// Prepare the packet and place
phy_prepare_packet(&tx_packet);
// Create a payload
tx_packet.length = snprintf((char*) tx_packet.data, PHY_MAX_TX_LENGTH,
"Packet from %02x:%02x:%02x, count=%u", uid->uid8[9], uid->uid8[10],
uid->uid8[11], tx_count);
// Perform a CCA
int32_t cca;
phy_cca(platform_phy, &cca);
if (cca)
{
// Channel is clear
// Send
phy_tx_now(platform_phy, &tx_packet, tx_done);
printf("Sending Packet, count=%u\n", tx_count);
// Increment counter
tx_count++;
}
else
{
printf("TX aborted, channel is busy\n");
enter_rx(NULL);
}
}
static void enter_rx(handler_arg_t arg)
{
// Set PHY IDLE, then enter RX
phy_idle(platform_phy);
phy_set_channel(platform_phy, RADIO_CHANNEL);
// Prepare packet and start RX
phy_prepare_packet(&rx_packet);
phy_rx_now(platform_phy, &rx_packet, rx_done);
}
static void restore_state(void) {
// Reset old state
switch (old_state) {
case RX:
phy_rx();
break;
case IDLE:
default:
phy_idle();
break;
}
}
static void proper_stop()
{
// Stop timer
soft_timer_stop(&radio.period_tim);
// Set PHY idle
phy_idle(platform_phy);
// Free polling packet
if (radio.poll.serial_pkt)
{
packet_free(radio.poll.serial_pkt);
radio.poll.serial_pkt = NULL;
}
}
static void jam_change_channel_time(handler_arg_t arg)
{
// Increment channel
do
{
radio.current_channel++;
if (radio.current_channel > PHY_2400_MAX_CHANNEL)
{
radio.current_channel = PHY_2400_MIN_CHANNEL;
}
} while ((radio.channels & (1 << radio.current_channel)) == 0);
// Re-Jam
phy_idle(platform_phy);
phy_jam(platform_phy, radio.current_channel, radio.jam.tx_power);
log_info("Jamming on channel %u", radio.current_channel);
}
static void tx(handler_arg_t arg)
{
static uint8_t count = 0;
phy_idle(PHY);
// Prepare packet
pkt.data = pkt.raw_data;
pkt.length = sizeof(msg);
memcpy(pkt.data, msg, pkt.length);
pkt.data[pkt.length - 4] = '0' + ((count / 100) % 10);
pkt.data[pkt.length - 3] = '0' + ((count / 10) % 10);
pkt.data[pkt.length - 2] = '0' + ((count / 1) % 10);
count ++;
// Send in 10ms, no handler
printf("Sending a Radio Packet, length: %u, data: %s\n", pkt.length,
pkt.data);
uint32_t t = soft_timer_time() + soft_timer_ms_to_ticks(10);
phy_tx(PHY, t, &pkt, tx_done);
}
static void scan_timeout()
{
if (dll_state == DllStateNone)
return;
#ifdef LOG_DLL_ENABLED
log_print_stack_string(LOG_DLL, "DLL scan time-out");
#endif
phy_idle();
if (current_css == NULL)
{
return;
}
//Channel scan series
timer_event event;
event.next_event = current_css->values[current_scan_id].time_next_scan;
event.f = &scan_next;
current_scan_id = current_scan_id < current_css->length - 1 ? current_scan_id + 1 : 0;
timer_add_event(&event);
}
static char *radio_pkt(uint8_t channel, uint8_t tx_power)
{
static phy_packet_t tx_pkt = {
.data = tx_pkt.raw_data,
.length = 125,
};
uint16_t i;
for (i = 0; i < 125; i++) {
tx_pkt.data[i] = i;
}
int success;
char *ret = NULL;
xQueueReceive(radio_queue, &success, 0); // cleanup queue
phy_idle(platform_phy);
/*
* config radio
*/
if (phy_set_channel(platform_phy, channel))
ON_ERROR("err_set_channel", radio_cleanup);
if (phy_set_power(platform_phy, tx_power))
ON_ERROR("err_set_power", radio_cleanup);
/*
* Send packet
*
* No interlocking because
* Current queue is EVENT_QUEUE_APPLI
* phy_ handlers are executed by EVENT_QUEUE_NETWORK
*/
if (phy_tx_now(platform_phy, &tx_pkt, radio_rx_tx_done))
ON_ERROR("err_tx", radio_cleanup);
if (pdTRUE != xQueueReceive(radio_queue, &success, ONE_SECOND) || !success)
ON_ERROR("tx_failed", radio_cleanup);
// SUCCESS
radio_cleanup:
phy_reset(platform_phy);
return ret;
}
static char *radio_ping_pong(uint8_t channel, uint8_t tx_power)
{
char *ret = NULL;
int success;
static phy_packet_t tx_pkt = {
.data = tx_pkt.raw_data,
.length = sizeof(RADIO_TX_STR),
.raw_data = RADIO_TX_STR,
};
static phy_packet_t rx_pkt = {.data = rx_pkt.raw_data};
xQueueReceive(radio_queue, &success, 0); // cleanup queue
phy_idle(platform_phy);
/* config radio */
if (phy_set_channel(platform_phy, channel))
ON_ERROR("err_set_channel", ping_pong_cleanup);
if (phy_set_power(platform_phy, tx_power))
ON_ERROR("err_set_power", ping_pong_cleanup);
/*
* Send packet
*
* No interlocking because
* Current queue is EVENT_QUEUE_APPLI
* phy_ handlers are executed by EVENT_QUEUE_NETWORK
*/
if (phy_tx_now(platform_phy, &tx_pkt, radio_rx_tx_done))
ON_ERROR("err_tx", ping_pong_cleanup);
if (pdTRUE != xQueueReceive(radio_queue, &success, ONE_SECOND) || !success)
ON_ERROR("tx_failed", ping_pong_cleanup);
/*
* Wait for answer
*/
memset(rx_pkt.raw_data, 0, sizeof(rx_pkt.raw_data));
phy_rx_now(platform_phy, &rx_pkt, radio_rx_tx_done);
if (pdTRUE != xQueueReceive(radio_queue, &success, ONE_SECOND) || !success)
ON_ERROR("rx_timeout", ping_pong_cleanup);
// Packet reception
if (strcmp("RX_PKT_HELLO_WORLD", (char *)rx_pkt.raw_data))
ON_ERROR("wrong_packet_received", ping_pong_cleanup);
// SUCCESS
ret = NULL;
ping_pong_cleanup:
phy_reset(platform_phy);
return ret;
}
#ifdef IOTLAB_M3
////////
static int test_flash_nand()
{
static uint8_t buf_EE[256] = {[0 ... 255] = 0xEE};
static uint8_t buf[256] = {[0 ... 255] = 0x00};
// Write subsector 200 and re-read it
n25xxx_write_enable(); n25xxx_erase_subsector(0x00c80000);
n25xxx_write_enable(); n25xxx_write_page(0x00c80000, buf_EE);
n25xxx_read(0x00c80000, buf, sizeof(buf));
n25xxx_write_enable(); n25xxx_erase_subsector(0x00c80000);
// check read values
return memcmp(buf_EE, buf, sizeof(buf));
}
////////
static int cmd_get_light(char *command)
{
if (strcmp(command, "get_light"))
return 1;
printf("ACK get_light %f lux\n", isl29020_read_sample());
return 0;
}
static int cmd_get_pressure(char *command)
{
if (strcmp(command, "get_pressure"))
return 1;
uint32_t pressure;
lps331ap_read_pres(&pressure);
printf("ACK get_pressure %f mbar\n", pressure / 4096.0);
return 0;
}
static int cmd_test_flash_nand(char *command)
{
if (strcmp(command, "test_flash"))
return 1;
if (test_flash_nand())
printf("NACK test_flash read_different_write\n");
else
printf("ACK test_flash\n");
return 0;
}
#endif // IOTLAB_M3
/* Leds Commands */
static int cmd_leds_on(char *command)
{
uint8_t leds = 0;
if (1 != sscanf(command, "leds_on %u", &leds))
return 1;
leds_on(leds);
printf("ACK leds_on %x\n", leds);
return 0;
}
static int cmd_leds_off(char *command)
{
uint8_t leds = 0;
if (1 != sscanf(command, "leds_off %u", &leds))
return 1;
leds_off(leds);
printf("ACK leds_off %x\n", leds);
return 0;
}
void start_tx(void)
{
phy_idle();
phy_tx(&tx_cfg);
}