diff options
| author | David Phillips <david@yeah.nah.nz> | 2020-12-20 23:21:25 +1300 |
|---|---|---|
| committer | David Phillips <david@yeah.nah.nz> | 2020-12-20 23:21:25 +1300 |
| commit | 9f52d6764b66b0492b74daeafc37f622c7fc1100 (patch) | |
| tree | 6ec3c50b2963f6fa2d5701b4468df996127751aa | |
| parent | 75154ebdfbbfe7a04d21d910254058a757d2eef6 (diff) | |
| download | altimeter-9f52d6764b66b0492b74daeafc37f622c7fc1100.tar.xz | |
Set GPIOs for profiling/debug
| -rw-r--r-- | altimeter.c | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/altimeter.c b/altimeter.c index acaa95e..0aebbf7 100644 --- a/altimeter.c +++ b/altimeter.c @@ -20,20 +20,40 @@ # define WDT_PAT_MAYBE() do{wdt_reset();}while(0) #endif +#define DEBUG_ALL_VAL ((1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6)) +#define DEBUG_INIT do{DDRB |= DEBUG_ALL_VAL;}while(0) +#define DEBUG_MARK_SET_ALL do{PORTB |= DEBUG_ALL_VAL;}while(0) +#define DEBUG_MARK_1_SET do{PORTB |= 1 << 1;}while(0) +#define DEBUG_MARK_1_CLEAR do{PORTB &= ~(1 << 1);}while(0) +#define DEBUG_MARK_2_SET do{PORTB |= 1 << 3;}while(0) +#define DEBUG_MARK_2_CLEAR do{PORTB &= ~(1 << 3);}while(0) +#define DEBUG_MARK_3_SET do{PORTB |= 1 << 2;}while(0) +#define DEBUG_MARK_3_CLEAR do{PORTB &= ~(1 << 2);}while(0) +#define DEBUG_MARK_4_SET do{PORTB |= 1 << 6;}while(0) +#define DEBUG_MARK_4_CLEAR do{PORTB &= ~(1 << 6);}while(0) +#define DEBUG_MARK_5_SET do{PORTB |= 1 << 5;}while(0) +#define DEBUG_MARK_5_CLEAR do{PORTB &= ~(1 << 5);}while(0) +#define DEBUG_MARK_6_SET do{PORTB |= 1 << 4;}while(0) +#define DEBUG_MARK_6_CLEAR do{PORTB &= ~(1 << 4);}while(0) + /* ISR for collecting and displaying pressure, altitude data etc */ ISR(TIMER1_COMPA_vect) { - PORTD ^= 1 << 5; + DEBUG_MARK_SET_ALL; static volatile float setting = 1040.21; /* FIXME volatile for gdb hacks */ static float last_height = 0; float pressure = 0; float height_m = 0; float rate_m_s; char rate_sym; + DEBUG_MARK_1_CLEAR; pressure = barometer_read(); + DEBUG_MARK_2_CLEAR; height_m = pressure_to_metres_asl(pressure, setting); + DEBUG_MARK_3_CLEAR; rate_m_s = height_m - last_height; last_height = height_m; + DEBUG_MARK_4_CLEAR; if (rate_m_s < 0) { rate_sym = C_DESC; @@ -42,6 +62,7 @@ ISR(TIMER1_COMPA_vect) } else { rate_sym = C_ASC; } + DEBUG_MARK_5_CLEAR; char line[LCD_WIDTH+1]; /* line 1 */ @@ -69,6 +90,8 @@ ISR(TIMER1_COMPA_vect) display_set_cursor(0, 3); display_write(line); + DEBUG_MARK_6_CLEAR; + WDT_PAT_MAYBE(); } @@ -78,8 +101,7 @@ int main(void) display_init(); display_clear(); - DDRB |= 1 << 0; - DDRD |= 1 << 5; + DEBUG_INIT; /* Initialise timers for /1024 prescaler, 1 Hz comparator val */ TCCR1B |= (1 << CS10) | (1 << CS12) | (1 << WGM12); |