void do_counter_measurement(void)
{
extern u16 convert_acceleration_value_to_mgrav(u8 value);
u8 i;
u16 accel_data, sum1;
// Get data from sensor
bmp_as_get_data(sCounter.xyz);
for ( i = 0, sum1 = 0; i < 3; i ++ ) {
accel_data = convert_acceleration_value_to_mgrav(sCounter.xyz[i]);
// Filter acceleration
#if 0
accel_data = (u16)((accel_data * 0.2) + (sCounter.data[i] * 0.8));
#endif
accel_data = (u16)((accel_data * 0.1) + (sCounter.data[i] * 0.9));
sum1 += accel_data;
// Store average acceleration
sCounter.data[i] = accel_data;
}
if ( sCounter.sum == 0 ) {
sCounter.low = sum1;
sCounter.high = sum1;
} else {
switch ( sCounter.rise_state) { // init state
case 0:
if ( sum1 > sCounter.sum ) {
sCounter.rise_state = 1;
sCounter.low = sCounter.sum;
} else {
sCounter.rise_state = 2;
sCounter.high = sCounter.sum;
}
break;
case 1:
if ( sum1 < sCounter.sum ) { // change direction
sCounter.high = sCounter.sum;
sCounter.rise_state = 2;
}
break;
case 2:
if ( sum1 > sCounter.sum ) {
sCounter.low = sCounter.sum;
sCounter.rise_state = 1;
do_count();
}
break;
}
}
sCounter.sum = sum1;
// Set display update flag
// display.flag.update_counter = 1;
}
// *************************************************************************************************
// @fn sx_acceleration
// @brief Acceleration direct function. Button UP switches between X/Y/Z values.
// @param u8 line LINE2
// @return none
// *************************************************************************************************
void sx_acceleration(u8 line)
{
if (++sAccel.view_style > 2)
sAccel.view_style = 0;
// Reset current acceleration value
sAccel.data = 0;
// Get data from sensor
if (bmp_used)
{
bmp_as_get_data(sAccel.xyz);
}
}
// *************************************************************************************************
// @fn test_mode
// @brief Manual test mode. Activated by holding buttons STAR and UP simultaneously.
// Cancelled by any other button press.
// @param none
// @return none
// *************************************************************************************************
void test_mode(void)
{
u8 test_step, start_next_test;
u8 *str;
u8 i;
// Disable timer - no need for a clock tick
Timer0_Stop();
// Disable LCD charge pump while in standby mode
// This reduces current consumption by ca. 5µA to ca. 10µA
LCDBVCTL = 0;
// Show welcome screen
display_chars(LCD_SEG_L1_3_0, (u8 *) "TONY", SEG_ON);
display_chars(LCD_SEG_L2_4_0, (u8 *) "MAGLA", SEG_ON);
display_symbol(LCD_SEG_L1_COL, SEG_ON);
display_symbol(LCD_ICON_HEART, SEG_ON);
display_symbol(LCD_ICON_STOPWATCH, SEG_ON);
display_symbol(LCD_ICON_RECORD, SEG_ON);
display_symbol(LCD_ICON_ALARM, SEG_ON);
display_symbol(LCD_ICON_BEEPER1, SEG_ON);
display_symbol(LCD_ICON_BEEPER2, SEG_ON);
display_symbol(LCD_ICON_BEEPER3, SEG_ON);
display_symbol(LCD_SYMB_ARROW_UP, SEG_ON);
display_symbol(LCD_SYMB_ARROW_DOWN, SEG_ON);
display_symbol(LCD_SYMB_AM, SEG_ON);
// Hold watchdog
WDTCTL = WDTPW + WDTHOLD;
// Wait for button press
_BIS_SR(LPM3_bits + GIE);
__no_operation();
// Clear display
display_all_off();
#ifdef USE_LCD_CHARGE_PUMP
// Charge pump voltage generated internally, internal bias (V2-V4) generation
// This ensures that the contrast and LCD control is constant for the whole battery lifetime
LCDBVCTL = LCDCPEN | VLCD_2_72;
#endif
// Renenable timer
Timer0_Start();
// Debounce button press
Timer0_A4_Delay(CONV_MS_TO_TICKS(100));
while (1)
{
// Check button event
if (BUTTON_STAR_IS_PRESSED && BUTTON_UP_IS_PRESSED)
{
// Start with test #0
test_step = 0;
start_next_test = 1;
while (1)
{
if (start_next_test)
{
// Clean up previous test display
display_all_off();
start_next_test = 0;
switch (test_step)
{
case 0: // All LCD segments on
display_all_on();
// Wait until buttons are off
while (BUTTON_STAR_IS_PRESSED && BUTTON_UP_IS_PRESSED) ;
break;
case 1: // Altitude measurement
display_altitude(LINE1, DISPLAY_LINE_UPDATE_FULL);
for (i = 0; i < 2; i++)
{
while ((PS_INT_IN & PS_INT_PIN) == 0) ;
do_altitude_measurement(FILTER_OFF);
display_altitude(LINE1, DISPLAY_LINE_UPDATE_PARTIAL);
}
stop_altitude_measurement();
break;
case 2: // Temperature measurement
display_temperature(LINE1, DISPLAY_LINE_UPDATE_FULL);
for (i = 0; i < 4; i++)
{
Timer0_A4_Delay(CONV_MS_TO_TICKS(250));
temperature_measurement(FILTER_OFF);
display_temperature(LINE1, DISPLAY_LINE_UPDATE_PARTIAL);
}
break;
case 3: // Acceleration measurement
if (bmp_used)
{
bmp_as_start();
}
else
{
cma_as_start();
}
for (i = 0; i < 4; i++)
{
Timer0_A4_Delay(CONV_MS_TO_TICKS(250));
if (bmp_used)
{
bmp_as_get_data(sAccel.xyz);
}
else
{
cma_as_get_data(sAccel.xyz);
}
str = int_to_array(sAccel.xyz[0], 3, 0);
display_chars(LCD_SEG_L1_2_0, str, SEG_ON);
str = int_to_array(sAccel.xyz[2], 3, 0);
display_chars(LCD_SEG_L2_2_0, str, SEG_ON);
}
if (bmp_used)
{
bmp_as_stop();
}
else
{
cma_as_stop();
}
break;
case 4: // BlueRobin test
button.flag.up = 1;
sx_bluerobin(LINE1);
Timer0_A4_Delay(CONV_MS_TO_TICKS(100));
get_bluerobin_data();
display_heartrate(LINE1, DISPLAY_LINE_UPDATE_FULL);
stop_bluerobin();
break;
}
// Debounce button
Timer0_A4_Delay(CONV_MS_TO_TICKS(200));
}
// Check button event
if (BUTTON_STAR_IS_PRESSED)
{
test_step = 1;
start_next_test = 1;
}
else if (BUTTON_NUM_IS_PRESSED)
{
test_step = 2;
start_next_test = 1;
}
else if (BUTTON_UP_IS_PRESSED)
{
test_step = 3;
start_next_test = 1;
}
else if (BUTTON_DOWN_IS_PRESSED)
{
test_step = 4;
start_next_test = 1;
}
else if (BUTTON_BACKLIGHT_IS_PRESSED)
{
// Wait until button has been released (avoid restart)
while (BUTTON_BACKLIGHT_IS_PRESSED) ;
// Disable LCD and LCD charge pump
LCDBCTL0 &= ~BIT0;
LCDBVCTL = 0;
// Debounce button press
Timer0_A4_Delay(CONV_MS_TO_TICKS(500));
// Disable timer - no need for a clock tick
Timer0_Stop();
// Hold watchdog
WDTCTL = WDTPW + WDTHOLD;
// Sleep until button is pressed (ca. 4µA current consumption)
_BIS_SR(LPM4_bits + GIE);
__no_operation();
// Force watchdog reset for a clean restart
WDTCTL = 1;
}
#ifdef USE_WATCHDOG
// Service watchdog
WDTCTL = WDTPW + WDTIS__512K + WDTSSEL__ACLK + WDTCNTCL;
#endif
// To LPM3
_BIS_SR(LPM3_bits + GIE);
__no_operation();
}
}
else
{
// Debounce button
Timer0_A4_Delay(CONV_MS_TO_TICKS(100));
button.all_flags = 0;
// Turn off backlight
P2OUT &= ~BUTTON_BACKLIGHT_PIN;
P2DIR &= ~BUTTON_BACKLIGHT_PIN;
break;
}
}
}
// *************************************************************************************************
// @fn simpliciti_get_ed_data_callback
// @brief Callback function to read end device data from acceleration sensor (if available)
// and trigger sending. Can be also be used to transmit other data at
// different packet rates.
// Please observe the applicable duty limit in the chosen ISM band.
// @param none
// @return none
// *************************************************************************************************
void simpliciti_get_ed_data_callback(void)
{
static u8 packet_counter = 0;
if (sRFsmpl.mode == SIMPLICITI_ACCELERATION)
{
// Wait for next sample
Timer0_A4_Delay(CONV_MS_TO_TICKS(5));
// Read from sensor if EOC pin indicates new data (set in PORT2 ISR)
if (request.flag.acceleration_measurement)
{
// Clear flag
request.flag.acceleration_measurement = 0;
// Get data from sensor
if (bmp_used)
{
bmp_as_get_data(sAccel.xyz);
}
else
{
cma_as_get_data(sAccel.xyz);
}
// Transmit only every 3rd data set (= 33 packets / second)
if (packet_counter++ > 1)
{
// Reset counter
packet_counter = 0;
// Store XYZ data in SimpliciTI variable
simpliciti_data[1] = sAccel.xyz[0];
simpliciti_data[2] = sAccel.xyz[1];
simpliciti_data[3] = sAccel.xyz[2];
// Trigger packet sending
simpliciti_flag |= SIMPLICITI_TRIGGER_SEND_DATA;
}
}
}
else // transmit only button events
{
// New button event is stored in data
if ((packet_counter == 0) && (simpliciti_data[0] & 0xF0) != 0)
{
packet_counter = 5;
}
// Send packet several times
if (packet_counter > 0)
{
// Clear button event when sending last packet
if (--packet_counter == 0)
{
simpliciti_data[0] &= ~0xF0;
}
else
{
// Trigger packet sending in regular intervals
Timer0_A4_Delay(CONV_MS_TO_TICKS(30));
simpliciti_flag |= SIMPLICITI_TRIGGER_SEND_DATA;
}
}
else
{
// Wait in LPM3 for next button press
_BIS_SR(LPM3_bits + GIE);
__no_operation();
}
}
// Update clock every 1/1 second
if (display.flag.update_time)
{
display_time(LINE1, DISPLAY_LINE_UPDATE_PARTIAL);
display.flag.update_time = 0;
#ifdef USE_WATCHDOG
// Service watchdog
WDTCTL = WDTPW + WDTIS__512K + WDTSSEL__ACLK + WDTCNTCL;
#endif
}
}
