NUS I2s

main6.c

volatile uint8_t g_demo_mode = 0;
volatile bool g_i2s_start = true;
volatile bool g_i2s_running = false;

static void nus_data_handler(ble_nus_t * p_nus, uint8_t * p_data, uint16_t length)
{
    switch(p_data[0]) {
        case '1':
        {
            g_demo_mode = 0;
        }
        break;
        case '2':
        {
            g_demo_mode = 1;
        }
        break;
        case '3':
        {
            g_demo_mode = 2;
        }
        break;
        case 'S':
        {
            g_i2s_start = false;
        }
        break;
        case 'P':
        {
            g_i2s_start = true;
        }
        break;
    }

    // send to UART
    for (uint32_t i = 0; i < length; i++)
    {
        while (app_uart_put(p_data[i]) != NRF_SUCCESS);
    }
    while (app_uart_put('\r') != NRF_SUCCESS);
    while (app_uart_put('\n') != NRF_SUCCESS);
}