File content as of revision 2:cbe6dca8a632:

// This project is a demo of the DASH7 1.x stack
// @autor: jeremie@wizzilab.com
// @date: 2016-12-20

#include "DebouncedInterrupt.h"
#include "sensors.h"
#include "sensors_cfg.h"
#include "simul.h"
#include "modem_ref_helper.h"
#include "modem_callbacks.h"
#include "files.h"


Semaphore button_user(0);
Semaphore modem_ready[MAX_USER_NB];
Semaphore thread_ready(0);
sensor_config_t g_light_config;
Queue<void, 8> g_file_modified;

// Check parameters to see if data should be send
static bool report_needed(sensor_config_t* config, int32_t value, int32_t last_value, uint32_t last_report_time)
{
    switch (config->report_type)
    {
        case REPORT_ALWAYS:
            // Send a report at each measure
            IPRINT("Report always\r\n");
            return true;
        case REPORT_ON_DIFFERENCE:
            // Send a report when the difference between the last reported measure and the current mesure is greater than max_diff
            if (abs(last_value - value) >= config->max_diff && config->max_diff)
            {
                IPRINT("Report on difference (last:%d new:%d max_diff:%d)\r\n", last_value, value, config->max_diff);
                return true;
            }
            break;
        case REPORT_ON_THRESHOLD:
            // Send a report when crossing a threshold
            if (   (value >= config->threshold_high && last_value < config->threshold_high)
                || (value <= config->threshold_low  && last_value > config->threshold_low)
                || (value < config->threshold_high  && last_value >= config->threshold_high)
                || (value > config->threshold_low   && last_value <= config->threshold_low))
            {
                IPRINT("Rerport on threshold (last:%d new:%d th:%d tl:%d)\r\n", last_value, value, config->threshold_high, config->threshold_low);
                return true;
            }
            break;
        default:
            break;
    }
    
    // Send a report if it's been more than max_period since the last report
    if (((last_report_time/1000) >= config->max_period) && config->max_period)
    {
        IPRINT("Report on period (max_period:%d time:%d)\r\n", config->max_period, last_report_time);
        return true;
    }

    return false;
}

// Interrupt Service Routine on button press.
void button_push_isr( void )
{
    button_user.release();
}

void print_status(int status)
{
    switch (status)
    {
        case ALP_ERR_NONE:
            PRINT("Status: OK\n");
            break;
        case ALP_ERR_FILE_EXIST:
            PRINT("Status: Already registered\n");
            break;
        default:
            PRINT("Status: error %d\n", status);
            break;
    }
}

void print_resp(int status)
{
    switch (status)
    {
        case ALP_ERR_NONE:
            PRINT("Resp: OK\n");
            break;
        case ALP_ERR_FILE_EXIST:
            PRINT("Resp: Already registered\n");
            break;
        default:
            PRINT("Resp: error %d\n", status);
            break;
    }
}

modem_callbacks_t callbacks = {
    .read       = my_read,
    .write      = my_write,
    .read_fprop = my_read_fprop,
    .flush      = my_flush,
    .remove     = my_delete,
    .udata      = my_udata,
    .lqual      = my_lqual,
    .ldown      = my_ldown,
    .reset      = my_reset,
    .boot       = my_boot
};

// Callback for main_id User
void my_main_callback(uint8_t terminal, int8_t err, uint8_t id)
{    
    if (terminal)
    {    
        print_status(err);
        modem_ready[id].release();
    }
    else
    {
        print_resp(err);
    }
}

// -----------------------------------------------
// Sensor Threads
// -----------------------------------------------
typedef struct
{
    // Number of data fields
    uint32_t nb_values;
    // Total size of data
    uint32_t data_size;
    // Read value function
    bool (*read_value)(int32_t*);
    // Last reported value
    int32_t* last_report_value;
    // Current measured value
    int32_t* current_value;
    
    // File ID of the sensor value file
    uint8_t value_file_id;
    // Sensor configuration file ID
    uint8_t config_file_id;
    // Sensor configuration context
    sensor_config_t config;
    
} sensor_thread_ctx_t;

sensor_thread_ctx_t* g_thread_ctx;

// Initialisation of the sensor thread's context
#define SENSOR_THREAD_CTX(name,NAME,_nb_values) \
    int32_t name##_last_report[_nb_values];\
    int32_t name##_current_value[_nb_values];\
    sensor_thread_ctx_t name##_thread_ctx = {\
        .nb_values = _nb_values,\
        .data_size = _nb_values * sizeof(int32_t),\
        .read_value = name##_get_value,\
        .last_report_value = (int32_t*)&name##_last_report,\
        .current_value = (int32_t*)&name##_current_value,\
        .value_file_id = FID_SENSOR_VALUE_##NAME,\
        .config_file_id = FID_SENSOR_CONFIG_##NAME\
    }


SENSOR_THREAD_CTX(mag, MAG, 3);
SENSOR_THREAD_CTX(acc, ACC, 3);
SENSOR_THREAD_CTX(gyr, GYR, 3);
SENSOR_THREAD_CTX(pre, PRE, 1);
SENSOR_THREAD_CTX(hum, HUM, 1);
SENSOR_THREAD_CTX(tem1, TEM1, 1);
SENSOR_THREAD_CTX(tem2, TEM2, 1);
SENSOR_THREAD_CTX(light, LIGHT, 1);

void thread_sensor()
{
    FPRINT("(id:0x%08x)\r\n", osThreadGetId());

    // To force a first report
    uint32_t last_report_time = 0xFFFFFFFF;
    sensor_thread_ctx_t* ctx = g_thread_ctx;
    uint8_t user_id = modem_get_id(my_main_callback);

    // Get the sensor configuration
    ram_fs_read(ctx->config_file_id, 0, sizeof(sensor_config_t), (uint8_t*)&(ctx->config));
    
    PRINT("Start sensor thread %d\n", user_id);
    
    thread_ready.release();
    
    while (true)
    {
        bool err = ctx->read_value(ctx->current_value);
        
        ASSERT(err == 0, "Failed to read sensor\n");
        
        //PRINT("Got %3d: ", ctx->value_file_id);
        //for (uint8_t i = 0; i < ctx->nb_values; i++)
        //{
        //    PRINT("%9ld ", (int32_t)ctx->current_value[i]);
        //}
        //PRINT("\r\n");
        
        for (uint8_t i = 0; i < ctx->nb_values; i++)
        {
            if (report_needed(&(ctx->config),
                ctx->current_value[i],
                ctx->last_report_value[i],
                last_report_time))
            {
                // Send notification
                modem_write_file(ctx->value_file_id, ctx->current_value, 0, ctx->data_size, user_id);
                modem_ready[user_id].wait();
                
                // Update last report value
                memcpy(ctx->last_report_value, ctx->current_value, ctx->data_size);
                // Reset last report time
                last_report_time = 0;
            }
        }
        
        // Update last report time
        last_report_time += ctx->config.read_period;
        
        Thread::wait(ctx->config.read_period);
    }
}

void thread_file_modified()
{
    uint8_t fid;
    osEvent evt;
    
    while (true)
    {
        evt = g_file_modified.get();
        fid = (evt.status == osEventMessage)? (uint8_t)(uint32_t)evt.value.p : NULL;
        
        switch (fid)
        {
            // If a configuration file has been modified, update the context
            case FID_SENSOR_CONFIG_MAG:
                ram_fs_read(fid, 0, sizeof(sensor_config_t), (uint8_t*)&(mag_thread_ctx.config));
                break;
            case FID_SENSOR_CONFIG_ACC:
                ram_fs_read(fid, 0, sizeof(sensor_config_t), (uint8_t*)&(acc_thread_ctx.config));
                break;
            case FID_SENSOR_CONFIG_GYR:
                ram_fs_read(fid, 0, sizeof(sensor_config_t), (uint8_t*)&(gyr_thread_ctx.config));
                break;
            case FID_SENSOR_CONFIG_PRE:
                ram_fs_read(fid, 0, sizeof(sensor_config_t), (uint8_t*)&(pre_thread_ctx.config));
                break;
            case FID_SENSOR_CONFIG_HUM:
                ram_fs_read(fid, 0, sizeof(sensor_config_t), (uint8_t*)&(hum_thread_ctx.config));
                break;
            case FID_SENSOR_CONFIG_TEM1:
                ram_fs_read(fid, 0, sizeof(sensor_config_t), (uint8_t*)&(tem1_thread_ctx.config));
                break;
            case FID_SENSOR_CONFIG_TEM2:
                ram_fs_read(fid, 0, sizeof(sensor_config_t), (uint8_t*)&(tem2_thread_ctx.config));
                break;
            case FID_SENSOR_CONFIG_LIGHT:
                ram_fs_read(fid, 0, sizeof(sensor_config_t), (uint8_t*)&(light_thread_ctx.config));
                break;                
            default:
                break;
        }
    }
}

void thread_user_button()
{
    FPRINT("(id:0x%08x)\r\n", osThreadGetId());

    uint8_t alarm;
    d7a_sp_res_t istat;
    uint8_t user_id = modem_get_id(my_main_callback);

    
    alp_d7a_itf_t alarm_itf = {
        .type                           = ALP_ITF_TYPE_D7A,
        .cfg.to                         = 0,
        .cfg.te                         = 0,
        .cfg.qos.bf.record              = 0,
        .cfg.qos.bf.stop_on_err         = 0,
        .cfg.qos.bf.resp                = D7A_RESP_PREFERRED,
        .cfg.qos.bf.retry               = 1, // XXX WM_RPOL_RARE_SINGLE_CHECK,
        .cfg.addressee.ctrl.bf.nls      = D7A_NLS_AES_CCM_64,
        .cfg.addressee.ctrl.bf.idf      = D7A_ID_NBID,
        .cfg.addressee.xcl.bf           = {.s = 0x2, .m = 0x1},// XXX D7A_XCL_GW,
        .cfg.addressee.id[0]            = D7A_CTF_VAL(1,1)
    };
    
    // Load alarm value
    ram_fs_read(FID_ALARM, 0, 1, &alarm);
    
    // Send initial value
    modem_send_file_content((uint8_t*)&alarm_itf, D7_ITF_SIZE(&alarm_itf), (void*)&istat, FID_ALARM, &alarm, 0, 1, user_id);
    modem_ready[user_id].wait();
    
    while (true)
    {
        // Wait for button press
        button_user.wait();
        
        // load/save value to keep choerency in case of remote access...
        ram_fs_read(FID_ALARM, 0, 1, &alarm);

        // Toggle alarm state
        alarm = !alarm;
        
        ram_fs_write(FID_ALARM, 0, 1, &alarm);
        
        PRINT("BUTTON ALARM %d\r\n", alarm);
                    
        modem_send_file_content((uint8_t*)&alarm_itf, D7_ITF_SIZE(&alarm_itf), (void*)&istat, FID_ALARM, &alarm, 0, 1, user_id);
        modem_ready[user_id].wait();
    }
}

// Todo for each sensor
#define SENSOR_SETUP(NAME,name) modem_update_file(FID_SENSOR_VALUE_##NAME, (alp_file_header_t*)&h_sensor_value_##name, NULL);\
            modem_update_file(FID_SENSOR_CONFIG_##NAME, (alp_file_header_t*)&h_sensor_config_##name, (uint8_t*)&f_sensor_config_##name);\
            g_thread_ctx = &name##_thread_ctx;\
            Thread th_##name(osPriorityNormal, 1024, NULL);\
            status = th_##name.start(thread_sensor);\
            ASSERT(status == osOK, "Failed to start thread (err: %d)\r\n", status);\
            thread_ready.wait()
            
/*** Main function ------------------------------------------------------------- ***/
int main()
{
    // Start & initialize
#ifdef DEBUG_LED
    DBG_OPEN(DEBUG_LED);
#else
    DBG_OPEN(NC);
#endif
    PRINT("\r\n--- Starting new run ---\r\n");
    FPRINT("(id:0x%08x)\r\n", osThreadGetId());
    
    modem_helper_open(&callbacks);
    
    uint8_t main_id = modem_get_id(my_main_callback);
    
    PRINT("Register Files\n");
    modem_update_file(FID_HOST_REV, &h_rev, (uint8_t*)&f_rev);
    modem_update_file(FID_ALARM, &h_alarm, (uint8_t*)&f_alarm);

    // Configure URC: LQUAL on report file notification every 10 reports
    PRINT("Setup URCs\n");
    modem_enable_urc(ALP_URC_TYPE_LQUAL, IFID_REPORT, 10, true, main_id);
    modem_ready[main_id].wait();
    
    PRINT("Start D7A Stack\n");
    modem_activate_itf(ALP_ITF_TYPE_D7A, 24, 0, ALP_D7A_ISTAT_RESP , true, main_id);
    modem_ready[main_id].wait();
    
    PRINT("Notify Modem Version\n");
    modem_notify_file(D7A_FID_FIRMWARE_VERSION, 0, SIZE_HOST_REV, main_id);
    modem_ready[main_id].wait();
    
    PRINT("Notify FW Version\n");
    modem_notify_file(FID_HOST_REV, 0, SIZE_HOST_REV, main_id);
    modem_ready[main_id].wait();
    
    // Start file modified thread
    Thread th_file_modified(osPriorityNormal, 1024, NULL);
    osStatus status = th_file_modified.start(thread_file_modified);
    ASSERT(status == osOK, "Failed to start thread_file_modified (err: %d)\r\n", status);
    
#if (_HUM_EN_ > 0 || _TEM1_EN_ > 0 || _MAG_EN_ > 0 || _ACC_EN_  > 0 || _GYR_EN_ > 0 || _PRE_EN_ > 0 || _TEM2_EN_ > 0)
    // Open I2C and initialise the sensors
    DevI2C ext_i2c(SENSOR_I2C_SDA, SENSOR_I2C_SCL);
#endif

#if (_HUM_EN_ > 0 || _TEM1_EN_ > 0)
    humidity_sensor = new HTS221(ext_i2c);
    ASSERT(Init_HTS221(humidity_sensor), "Failed to init HTS221\r\n");
    temp_sensor1 = humidity_sensor;
#endif // _TEM_EN_
#if (_PRE_EN_ > 0 || _TEM2_EN_ > 0)
    pressure_sensor = new LPS25H(ext_i2c);
    ASSERT(Init_LPS25H(pressure_sensor), "Failed to init LPS25H\r\n");
    temp_sensor2 = pressure_sensor;
#endif // _PRE_EN_

#if defined(TARGET_STM32L152RE)
    #if (_MAG_EN_ > 0)
        magnetometer = new LIS3MDL(ext_i2c);
        ASSERT(Init_LIS3MDL(magnetometer), "Failed to init LIS3MDL\r\n");
    #endif // _MAG_EN_
    #if (_ACC_EN_ > 0 || _GYR_EN_ > 0)
        accelerometer = new LSM6DS0(ext_i2c);
        ASSERT(Init_LSM6DS0(accelerometer), "Failed to init LSM6DS0\r\n");
        gyroscope = accelerometer;
    #endif // _ACC_EN_ || _GYR_EN_
#elif defined(TARGET_STM32L432KC)
    #if (_ACC_EN_ > 0)
        accelerometer = new LSM303C_ACC_Sensor(ext_i2c);
        ASSERT(Init_LSM303C_ACC(accelerometer), "Failed to init LSM303C_ACC\r\n");
    #endif // _ACC_EN_
    #if (_MAG_EN_ > 0)
        magnetometer = new LSM303C_MAG_Sensor(ext_i2c);
        ASSERT(Init_LSM303C_MAG(magnetometer), "Failed to init LSM303C_MAG\r\n");
    #endif // _MAG_EN_
#endif
    
#if (_MAG_EN_ > 0)
    SENSOR_SETUP(MAG,mag);
#endif
#if (_ACC_EN_ > 0)
    SENSOR_SETUP(ACC,acc);
#endif
#if (_GYR_EN_ > 0)
    SENSOR_SETUP(GYR,gyr);
#endif
#if (_PRE_EN_ > 0)
    SENSOR_SETUP(PRE,pre);
#endif
#if (_HUM_EN_ > 0)
    SENSOR_SETUP(HUM,hum);
#endif
#if (_TEM1_EN_ > 0)
    SENSOR_SETUP(TEM1,tem1);
#endif
#if (_TEM2_EN_ > 0)
    SENSOR_SETUP(TEM2,tem2);
#endif
#if (_LIGHT_EN_ > 0)
    SENSOR_SETUP(LIGHT,light);
#endif
    
    modem_free_id(main_id);
    
    // For button
#ifdef DEBUG_BUTTON
    DebouncedInterrupt user_interrupt(DEBUG_BUTTON);
    user_interrupt.attach(button_push_isr, IRQ_FALL, 500, true);

    Thread but_th(osPriorityNormal, 1024, NULL);
    status = but_th.start(thread_user_button);
    ASSERT(status == osOK, "Failed to start but thread (err: %d)\r\n", status);
#endif

#ifdef DEBUG_LED
    DigitalOut my_led(DEBUG_LED);
#endif

    // Set main task to lowest priority
    osThreadSetPriority(osThreadGetId(), osPriorityIdle);
    while(true)
    {
        // Wait to avoid beeing stuck in loop
        Thread::wait(500);
#ifdef DEBUG_LED
        my_led = !my_led;
#endif
    }
}