int main()
{
uint8_t output_state = 0;
nrf_gpio_pin_dir_set(LED_PIN, NRF_GPIO_PIN_DIR_OUTPUT);
int n = 0;
initialise_monitor_handles();
printf("hello world!\n");
while(++n)
{
printf("round %d\n", n);
nrf_delay_ms(1000);
if (output_state == 1)
nrf_gpio_pin_set(LED_PIN);
else
nrf_gpio_pin_clear(LED_PIN);
output_state = (output_state + 1) & 1;
nrf_delay_ms(100);
}
return 0;
}
void setup_led_pins()
{
nrf_gpio_pin_dir_set(PIN_LED_RED_BRIGHT, NRF_GPIO_PIN_DIR_OUTPUT);
nrf_gpio_pin_dir_set(PIN_LED_GREEN, NRF_GPIO_PIN_DIR_OUTPUT);
nrf_gpio_pin_dir_set(PIN_LED_YELLOW_1, NRF_GPIO_PIN_DIR_OUTPUT);
nrf_gpio_pin_dir_set(PIN_LED_WHITE_1, NRF_GPIO_PIN_DIR_OUTPUT);
nrf_gpio_pin_dir_set(PIN_LED_YELLOW_2, NRF_GPIO_PIN_DIR_OUTPUT);
nrf_gpio_pin_dir_set(PIN_LED_BLUE, NRF_GPIO_PIN_DIR_OUTPUT);
nrf_gpio_pin_dir_set(PIN_LED_RED, NRF_GPIO_PIN_DIR_OUTPUT);
nrf_gpio_pin_dir_set(PIN_LED_WHITE_2, NRF_GPIO_PIN_DIR_OUTPUT);
}
void uart_setup()
{
uart_disable;
// configure transmission
nrf_gpio_pin_dir_set(PIN_UART_TXD, NRF_GPIO_PIN_DIR_OUTPUT);
uart_select_pin_as_TXD(PIN_UART_TXD);
uart_select_pin_as_RTS(UART_PIN_DISABLE);
uart_select_pin_as_CTS(UART_PIN_DISABLE);
uart_set_baud(baud_9600);
uart_set_parity_exclude;
uart_flow_control_enable;
// configure reception
uart_select_pin_as_RXD(PIN_UART_RXD);
uart_interrupt_upon_RXDRDY_enable;
uart_interrupt_upon_RXTO_enable;
uart_interrupt_upon_ERROR_enable;
uart_start_receiver;
uart_enable;
}
/**
* @brief Initialise LED control pins
*/
void led_init()
{
nrf_drv_gpiote_out_config_t config = GPIOTE_CONFIG_OUT_SIMPLE(false);
uint32_t pin;
uint32_t err_code;
/* Initialise RGB LED */
for(pin = LED_RED; pin <= LED_BLUE; pin++)
{
/* Set pin mode */
err_code = nrf_drv_gpiote_out_init(led_rgb_pin[pin], &config);
APP_ERROR_CHECK(err_code);
/* Configure high drive */
NRF_GPIO->PIN_CNF[led_rgb_pin[pin]] =
(GPIO_PIN_CNF_DRIVE_H0S1 << GPIO_PIN_CNF_DRIVE_Pos) |
(GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
}
nrf_gpio_pin_dir_set(2, NRF_GPIO_PIN_DIR_INPUT);
nrf_gpio_cfg_input(2, NRF_GPIO_PIN_PULLUP);
}
/* Function to init the connection manager */
void conn_init(void)
{
uint32_t err_code;
int i;
/* init "connection" pin */
nrf_gpio_pin_dir_set(CONN_PIN_NUMBER, NRF_GPIO_PIN_DIR_OUTPUT);
/* init BLE stack */
ble_stack_init(true);
/* init database discovery */
err_code = ble_db_discovery_init();
APP_ERROR_CHECK(err_code);
/* init NUS client service */
nus_c_init();
/* init connection handle array */
for(i=0; i<NUM_OF_CONNECTIONS; i++)
{
active_conn_handles[i] = BLE_CONN_HANDLE_INVALID;
}
}
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
}
/**@brief Function for initializing the GPIO pins as outputs
*/
static void gpio_init(void) {
uint8_t gpios[12] = {R1, G1, B1, R2, G2, B2, A, B, C, LAT, CLK, OE};
for(uint8_t i = 0; i < 12; i++)
nrf_gpio_pin_dir_set(gpios[i], NRF_GPIO_PIN_DIR_OUTPUT);
}
void setup_led_pins()
{
nrf_gpio_pin_dir_set(PIN_LED_GREEN, NRF_GPIO_PIN_DIR_OUTPUT);
nrf_gpio_pin_dir_set(PIN_LED_BLUE, NRF_GPIO_PIN_DIR_OUTPUT);
nrf_gpio_pin_dir_set(PIN_LED_RED, NRF_GPIO_PIN_DIR_OUTPUT);
}
