diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/micropeak/Makefile | 4 | ||||
| -rw-r--r-- | src/micropeak/ao_micropeak.c | 35 |
2 files changed, 35 insertions, 4 deletions
diff --git a/src/micropeak/Makefile b/src/micropeak/Makefile index 8cf608bb..0c48ed66 100644 --- a/src/micropeak/Makefile +++ b/src/micropeak/Makefile @@ -11,6 +11,7 @@ DUDECPUTYPE=t85 #PROGRAMMER=stk500v2 -P usb PROGRAMMER=usbtiny LOADCMD=avrdude +LOADSLOW=-i 32 -B 32 LOADARG=-p $(DUDECPUTYPE) -c $(PROGRAMMER) -e -U flash:w: CC=avr-gcc OBJCOPY=avr-objcopy @@ -86,6 +87,9 @@ $(PROG).hex: $(PROG) load: $(PROG).hex $(LOADCMD) $(LOADARG)$(PROG).hex +load-slow: $(PROG).hex + $(LOADCMD) $(LOADSLOW) $(LOADARG)$(PROG).hex + ao_product.h: ao-make-product.5c ../Version $(call quiet,NICKLE,$<) $< -m altusmetrum.org -i $(IDPRODUCT) -p $(PRODUCT) -v $(VERSION) > $@ diff --git a/src/micropeak/ao_micropeak.c b/src/micropeak/ao_micropeak.c index 10e1d0f9..525cfa42 100644 --- a/src/micropeak/ao_micropeak.c +++ b/src/micropeak/ao_micropeak.c @@ -65,18 +65,40 @@ ao_compute_height(void) } #if !HAS_EEPROM + +#define PA_GROUND_OFFSET 0 +#define PA_MIN_OFFSET 4 +#define N_SAMPLES_OFFSET 8 +#define STARTING_LOG_OFFSET 10 +#define MAX_LOG_OFFSET 512 + +static uint16_t ao_log_offset = STARTING_LOG_OFFSET; + void ao_save_flight(void) { - ao_eeprom_write(0, &pa_ground, sizeof (pa_ground)); - ao_eeprom_write(sizeof (pa_ground), &pa_min, sizeof (pa_min)); + uint16_t n_samples = (ao_log_offset - STARTING_LOG_OFFSET) / sizeof (uint16_t); + ao_eeprom_write(PA_GROUND_OFFSET, &pa_ground, sizeof (pa_ground)); + ao_eeprom_write(PA_MIN_OFFSET, &pa_min, sizeof (pa_min)); + ao_eeprom_write(N_SAMPLES_OFFSET, &n_samples, sizeof (n_samples)); } void ao_restore_flight(void) { - ao_eeprom_read(0, &pa_ground, sizeof (pa_ground)); - ao_eeprom_read(sizeof (pa_ground), &pa_min, sizeof (pa_min)); + ao_eeprom_read(PA_GROUND_OFFSET, &pa_ground, sizeof (pa_ground)); + ao_eeprom_read(PA_MIN_OFFSET, &pa_min, sizeof (pa_min)); +} + +void +ao_log_micro(void) +{ + uint16_t low_bits = pa; + + if (ao_log_offset < MAX_LOG_OFFSET) { + ao_eeprom_write(ao_log_offset, &low_bits, sizeof (low_bits)); + ao_log_offset += sizeof (low_bits); + } } #endif @@ -110,6 +132,8 @@ main(void) #endif ao_restore_flight(); ao_compute_height(); + /* Give the person a second to get their finger out of the way */ + ao_delay(AO_MS_TO_TICKS(1000)); ao_report_altitude(); ao_spi_init(); @@ -178,6 +202,9 @@ main(void) ao_led_off(AO_LED_REPORT); #if HAS_EEPROM ao_log_micro_data(AO_LOG_MICRO_DATA | pa); +#else + if (sample_count & 1) + ao_log_micro(); #endif pa_avg = pa_avg - (pa_avg >> FILTER_SHIFT) + pa; if (pa_avg < pa_min) |