Merge branch 'master' of ssh://git.gag.com/scm/git/fw/altos
[fw/altos] / src / microtest / ao_microtest.c
diff --git a/src/microtest/ao_microtest.c b/src/microtest/ao_microtest.c
new file mode 100644 (file)
index 0000000..168220c
--- /dev/null
@@ -0,0 +1,147 @@
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <ao.h>
+#include <ao_micropeak.h>
+#include <ao_ms5607.h>
+#include <ao_async.h>
+#include <ao_log_micro.h>
+
+static struct ao_ms5607_value  value;
+
+alt_t          ground_alt, max_alt;
+alt_t          ao_max_height;
+
+void
+ao_pa_get(void)
+{
+       ao_ms5607_sample(&ao_ms5607_current);
+       ao_ms5607_convert(&ao_ms5607_current, &value);
+       pa = value.pres;
+}
+static void
+ao_pips(void)
+{
+       uint8_t i;
+       for (i = 0; i < 10; i++) {
+               ao_led_toggle(AO_LED_REPORT);
+               ao_delay(AO_MS_TO_TICKS(80));
+       }
+       ao_delay(AO_MS_TO_TICKS(200));
+}
+
+#define POLY 0x8408
+
+static uint16_t
+ao_log_micro_crc(uint16_t crc, uint8_t byte)
+{
+       uint8_t i;
+
+       for (i = 0; i < 8; i++) {
+               if ((crc & 0x0001) ^ (byte & 0x0001))
+                       crc = (crc >> 1) ^ POLY;
+               else
+                       crc = crc >> 1;
+               byte >>= 1;
+       }
+       return crc;
+}
+
+struct header {
+       uint32_t        pa_ground_offset;
+       uint32_t        pa_min_offset;
+       N_SAMPLES_TYPE  nsamples;
+};
+
+static const struct header head = {
+       .pa_ground_offset = 0xfffefdfc,
+       .pa_min_offset = 0xfbfaf9f8,
+       .nsamples = 64
+};
+
+static void
+ao_test_micro_dump(void)
+{
+       N_SAMPLES_TYPE  n_samples;
+       uint16_t        nbytes;
+       uint8_t         byte;
+       uint16_t        b;
+       uint16_t        crc = 0xffff;
+
+       n_samples = head.nsamples;
+       nbytes = STARTING_LOG_OFFSET + sizeof (uint16_t) * n_samples;
+
+       /*
+        * Rewrite n_samples so that it includes the log ID value with
+        * 32-bit n_samples split into two chunks
+        */
+       if (sizeof (n_samples) > 2) {
+               N_SAMPLES_TYPE  n_samples_low;
+               N_SAMPLES_TYPE  n_samples_high;
+               n_samples_low = n_samples & ((1 << AO_LOG_ID_SHIFT) - 1);
+               n_samples_high = (n_samples - n_samples_low) << AO_LOG_ID_WIDTH;
+               n_samples = n_samples_low | n_samples_high;
+       }
+#if AO_LOG_ID
+       n_samples |= AO_LOG_ID << AO_LOG_ID_SHIFT;
+#endif
+       ao_async_start();
+       ao_async_byte('M');
+       ao_async_byte('P');
+       for (b = 0; b < nbytes; b++) {
+               if ((b & 0xf) == 0)
+                       ao_log_newline();
+               if (b < sizeof (head))
+                       byte = ((uint8_t *) &head)[b];
+               else
+                       byte = b;
+#if AO_LOG_ID
+               if (N_SAMPLES_OFFSET <= b && b < (N_SAMPLES_OFFSET + sizeof(n_samples))) {
+                       byte = n_samples >> ((b - N_SAMPLES_OFFSET) << 3);
+               }
+#endif
+               ao_log_hex(byte);
+               crc = ao_log_micro_crc(crc, byte);
+       }
+       ao_log_newline();
+       crc = ~crc;
+       ao_log_hex(crc >> 8);
+       ao_log_hex(crc);
+       ao_log_newline();
+       ao_async_stop();
+}
+
+int
+main(void)
+{
+       ao_led_init();
+       ao_timer_init();
+
+       /* Init external hardware */
+       ao_spi_init();
+       ao_ms5607_init();
+       ao_ms5607_setup();
+
+       for (;;)
+       {
+               ao_delay(AO_MS_TO_TICKS(1000));
+
+               ao_pips();
+               ao_test_micro_dump();
+       }
+}