int main()
{
bool init_ok = false;
//lint -save -e514 Unusual use of a boolean expression (use of &= assignment).
// Configure input pins
nrf_gpio_pin_dir_set(BUTTON_SEND_MOUSE_DATA, NRF_GPIO_PIN_DIR_INPUT);
nrf_gpio_pin_dir_set(BUTTON_SEND_KEYBOARD_DATA, NRF_GPIO_PIN_DIR_INPUT);
nrf_gpio_port_dir_set(LED_PORT, NRF_GPIO_PORT_DIR_OUTPUT);
// Initialize and enable "mouse sensor"
init_ok = mouse_sensor_init(MOUSE_SENSOR_SAMPLE_PERIOD_8_MS);
mouse_sensor_enable();
// Initialize and enable Gazell
init_ok &= nrf_gzll_init(NRF_GZLL_MODE_DEVICE);
// Ensure Gazell parameters are configured.
init_ok &= nrf_gzll_set_max_tx_attempts(150);
init_ok &= nrf_gzll_set_device_channel_selection_policy(NRF_GZLLDE_DEVICE_CHANNEL_SELECTION_POLICY);
init_ok &= nrf_gzll_set_timeslot_period(NRF_GZLLDE_RXPERIOD_DIV_2);
init_ok &= nrf_gzll_set_sync_lifetime(0); // Asynchronous mode, more efficient for pairing.
switch(gzp_get_pairing_status())
{
case -2:
host_id_received = false;
system_addr_received = false;
break;
case -1:
host_id_received = false;
system_addr_received = true;
break;
default:
host_id_received = true;
system_addr_received = true;
}
gzp_init();
init_ok &= nrf_gzll_enable();
if(init_ok)
{
while(1)
{
// If BUTTON_SEND_MOUSE_DATA button is pressed.
if(nrf_gpio_pin_read(BUTTON_SEND_MOUSE_DATA) == 0)
{
read_mouse_and_send();
}
// If BUTTON_SEND_KEYBOARD_DATA button is pressed
if(nrf_gpio_pin_read(BUTTON_SEND_KEYBOARD_DATA) == 0)
{
read_keyboard_and_send();
}
/*
CPU sleep.
We will wake up from all enabled interrupts, which here are the
internal Gazell interrupts and the "mouse sensor" internal timer
interrupt.
*/
//__WFI();
}
}
else
{
/*
The initialization failed. Use nrf_gzll_get_error_code()
to investigate the cause.
*/
}
//lint -restore
}
static gzp_tx_rx_trans_result_t gzp_tx_rx_transaction(const uint8_t *tx_packet, uint8_t tx_length, uint8_t *rx_dst, uint32_t *rx_length, uint8_t pipe)
{
gzp_tx_rx_trans_result_t retval;
uint8_t fetch_packet[GZP_CMD_FETCH_RESP_PAYLOAD_LENGTH];
bool tx_packet_success;
bool fetch_success;
uint32_t local_rx_length = GZP_MAX_ACK_PAYLOAD_LENGTH;
uint32_t temp_lifetime;
nrf_gzp_flush_rx_fifo(pipe);
retval = GZP_TX_RX_FAILED_TO_SEND;
(void)nrf_gzll_disable();
while(nrf_gzll_is_enabled())
{}
temp_lifetime = nrf_gzll_get_sync_lifetime();
(void)nrf_gzll_set_sync_lifetime(GZP_TX_RX_TRANS_DELAY * 3); // 3 = RXPERIOD * 2 + margin
(void)nrf_gzll_enable();
tx_packet_success = gzp_tx_packet(tx_packet, tx_length, pipe);
if(tx_packet_success)
{
retval = GZP_TX_RX_NO_RESPONSE;
nrf_gzp_flush_rx_fifo(pipe);
fetch_packet[0] = (uint8_t)GZP_CMD_FETCH_RESP;
gzp_tick_sleep_rx_periods(GZP_TX_RX_TRANS_DELAY);
tx_packet_success = gzp_tx_packet(fetch_packet, GZP_CMD_FETCH_RESP_PAYLOAD_LENGTH, pipe);
if(tx_packet_success)
{
if(nrf_gzll_get_rx_fifo_packet_count(pipe))
{
local_rx_length = NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH;
fetch_success = nrf_gzll_fetch_packet_from_rx_fifo(pipe, rx_dst, &local_rx_length);
}
else
{
fetch_success = false;
}
if(fetch_success)
{
retval = GZP_TX_RX_SUCCESS;
}
else
{
//print_string("GZP_TX_FETCH_FAILED\r\n");
}
}
else
{
//print_string("GZP_TX_FETCH_NO_ACK\r\n");
}
}
(void)nrf_gzll_disable();
while(nrf_gzll_is_enabled())
{}
(void)nrf_gzll_set_sync_lifetime(temp_lifetime);
(void)nrf_gzll_enable();
return retval;
}
int main()
{
bool init_ok = false;
uint32_t err_code;
//lint -save -e514 Unusual use of a boolean expression (use of &= assignment).
const app_uart_comm_params_t comm_params =
{
RX_PIN_NUMBER,
TX_PIN_NUMBER,
RTS_PIN_NUMBER,
CTS_PIN_NUMBER,
APP_UART_FLOW_CONTROL_ENABLED,
false,
UART_BAUDRATE_BAUDRATE_Baud38400
};
APP_UART_FIFO_INIT(&comm_params,
UART_RX_BUF_SIZE,
UART_TX_BUF_SIZE,
uart_error_handle,
APP_IRQ_PRIORITY_LOW,
err_code);
(void)err_code;
UNUSED_VARIABLE(bsp_init(BSP_INIT_BUTTONS,0,NULL));
printf("Desktop emulator example\n");
// Initialize and enable "mouse sensor"
init_ok = mouse_sensor_init(MOUSE_SENSOR_SAMPLE_PERIOD_8_MS);
mouse_sensor_enable();
// Initialize and enable Gazell
init_ok &= nrf_gzll_init(NRF_GZLL_MODE_DEVICE);
// Ensure Gazell parameters are configured.
init_ok &= nrf_gzll_set_max_tx_attempts(150);
init_ok &= nrf_gzll_set_device_channel_selection_policy(NRF_GZLLDE_DEVICE_CHANNEL_SELECTION_POLICY);
init_ok &= nrf_gzll_set_timeslot_period(NRF_GZLLDE_RXPERIOD_DIV_2);
init_ok &= nrf_gzll_set_sync_lifetime(0); // Asynchronous mode, more efficient for pairing.
switch(gzp_get_pairing_status())
{
case -2:
host_id_received = false;
system_addr_received = false;
break;
case -1:
host_id_received = false;
system_addr_received = true;
break;
default:
host_id_received = true;
system_addr_received = true;
}
gzp_init();
init_ok &= nrf_gzll_enable();
if(init_ok)
{
while(1)
{
// If BUTTON_SEND_MOUSE_DATA button is pressed.
bool send_mouse_data_button_pressed;
err_code = bsp_button_is_pressed(SEND_MOUSE_DATA_BUTTON_ID,&(send_mouse_data_button_pressed));
if( send_mouse_data_button_pressed)
{
read_mouse_and_send();
}
else
{
//indicate mouse button not pressed
}
// If BUTTON_SEND_KEYBOARD_DATA button is pressed
bool send_keyboard_data_button_pressed;
err_code = bsp_button_is_pressed(SEND_KEYBOARD_DATA_BUTTON_ID,&(send_keyboard_data_button_pressed));
if(send_keyboard_data_button_pressed)
{
read_keyboard_and_send();
}
else
{
//indicate keyboard button not pressed
}
error_report();
/*
CPU sleep.
We will wake up from all enabled interrupts, which here are the
internal Gazell interrupts and the "mouse sensor" internal timer
interrupt.
*/
//__WFI();
}
}
else
{
/*
The initialization failed. Use nrf_gzll_get_error_code()
to investigate the cause.
*/
}
//lint -restore
}
