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-rw-r--r--src/drivers/ao_ms5607.c40
-rw-r--r--src/drivers/ao_ms5607.h2
-rw-r--r--src/drivers/ao_ms5607_convert_8051.c60
3 files changed, 83 insertions, 19 deletions
diff --git a/src/drivers/ao_ms5607.c b/src/drivers/ao_ms5607.c
index 8f1dcbe1..5259b265 100644
--- a/src/drivers/ao_ms5607.c
+++ b/src/drivers/ao_ms5607.c
@@ -21,7 +21,7 @@
#if HAS_MS5607 || HAS_MS5611
-static struct ao_ms5607_prom ms5607_prom;
+static __xdata struct ao_ms5607_prom ms5607_prom;
static uint8_t ms5607_configured;
static void
@@ -40,7 +40,7 @@ ao_ms5607_reset(void) {
cmd = AO_MS5607_RESET;
ao_ms5607_start();
- ao_spi_send(&cmd, 1, AO_MS5607_SPI_INDEX);
+ ao_spi_send(DATA_TO_XDATA(&cmd), 1, AO_MS5607_SPI_INDEX);
ao_delay(AO_MS_TO_TICKS(10));
ao_ms5607_stop();
}
@@ -69,17 +69,17 @@ ao_ms5607_crc(uint8_t *prom)
}
static void
-ao_ms5607_prom_read(struct ao_ms5607_prom *prom)
+ao_ms5607_prom_read(__xdata struct ao_ms5607_prom *prom)
{
- uint8_t addr;
- uint8_t crc;
- uint16_t *r;
+ uint8_t addr;
+ uint8_t crc;
+ __xdata uint16_t *r;
- r = (uint16_t *) prom;
+ r = (__xdata uint16_t *) prom;
for (addr = 0; addr < 8; addr++) {
uint8_t cmd = AO_MS5607_PROM_READ(addr);
ao_ms5607_start();
- ao_spi_send(&cmd, 1, AO_MS5607_SPI_INDEX);
+ ao_spi_send(DATA_TO_XDATA(&cmd), 1, AO_MS5607_SPI_INDEX);
ao_spi_recv(r, 2, AO_MS5607_SPI_INDEX);
ao_ms5607_stop();
r++;
@@ -114,25 +114,25 @@ ao_ms5607_setup(void)
ao_ms5607_prom_read(&ms5607_prom);
}
-static volatile uint8_t ao_ms5607_done;
+static __xdata volatile uint8_t ao_ms5607_done;
static void
ao_ms5607_isr(void)
{
ao_exti_disable(AO_MS5607_MISO_PORT, AO_MS5607_MISO_PIN);
ao_ms5607_done = 1;
- ao_wakeup((void *) &ao_ms5607_done);
+ ao_wakeup((__xdata void *) &ao_ms5607_done);
}
static uint32_t
ao_ms5607_get_sample(uint8_t cmd) {
- uint8_t reply[3];
- uint8_t read;
+ __xdata uint8_t reply[3];
+ __xdata uint8_t read;
ao_ms5607_done = 0;
ao_ms5607_start();
- ao_spi_send(&cmd, 1, AO_MS5607_SPI_INDEX);
+ ao_spi_send(DATA_TO_XDATA(&cmd), 1, AO_MS5607_SPI_INDEX);
ao_exti_enable(AO_MS5607_MISO_PORT, AO_MS5607_MISO_PIN);
@@ -179,10 +179,14 @@ ao_ms5607_sample(struct ao_ms5607_sample *sample)
sample->temp = ao_ms5607_get_sample(AO_CONVERT_D2);
}
+#ifdef _CC1111_H_
+#include "ao_ms5607_convert_8051.c"
+#else
#include "ao_ms5607_convert.c"
+#endif
#if HAS_TASK
-struct ao_ms5607_sample ao_ms5607_current;
+__xdata struct ao_ms5607_sample ao_ms5607_current;
static void
ao_ms5607(void)
@@ -191,10 +195,10 @@ ao_ms5607(void)
for (;;)
{
ao_ms5607_sample(&ao_ms5607_current);
- ao_arch_critical(
- AO_DATA_PRESENT(AO_DATA_MS5607);
- AO_DATA_WAIT();
- );
+ ao_arch_block_interrupts();
+ AO_DATA_PRESENT(AO_DATA_MS5607);
+ AO_DATA_WAIT();
+ ao_arch_release_interrupts();
}
}
diff --git a/src/drivers/ao_ms5607.h b/src/drivers/ao_ms5607.h
index b2f98a59..3fd43fd4 100644
--- a/src/drivers/ao_ms5607.h
+++ b/src/drivers/ao_ms5607.h
@@ -56,7 +56,7 @@ struct ao_ms5607_value {
int32_t temp; /* in °C * 100 */
};
-extern struct ao_ms5607_sample ao_ms5607_current;
+extern __xdata struct ao_ms5607_sample ao_ms5607_current;
void
ao_ms5607_setup(void);
diff --git a/src/drivers/ao_ms5607_convert_8051.c b/src/drivers/ao_ms5607_convert_8051.c
new file mode 100644
index 00000000..f47972c9
--- /dev/null
+++ b/src/drivers/ao_ms5607_convert_8051.c
@@ -0,0 +1,60 @@
+/*
+ * 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; version 2 of the License.
+ *
+ * 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_ms5607.h>
+
+void
+ao_ms5607_convert(struct ao_ms5607_sample *sample, struct ao_ms5607_value *value)
+{
+#if 0
+ int32_t dT;
+ int32_t TEMP;
+ int64_t OFF;
+ int64_t SENS;
+
+ dT = sample->temp - ((int32_t) ms5607_prom.tref << 8);
+
+ TEMP = 2000 + (((int64_t) dT * ms5607_prom.tempsens) >> 23);
+
+#if HAS_MS5611
+ OFF = ((int64_t) ms5607_prom.off << 16) + (((int64_t) ms5607_prom.tco * dT) >> 7);
+ SENS = ((int64_t) ms5607_prom.sens << 15) + (((int64_t) ms5607_prom.tcs * dT) >> 8);
+#else
+ OFF = ((int64_t) ms5607_prom.off << 17) + (((int64_t) ms5607_prom.tco * dT) >> 6);
+ SENS = ((int64_t) ms5607_prom.sens << 16) + (((int64_t) ms5607_prom.tcs * dT) >> 7);
+#endif
+
+ if (TEMP < 2000) {
+ int32_t T2 = ((int64_t) dT * (int64_t) dT) >> 31;
+ int32_t TEMPM = TEMP - 2000;
+ int64_t OFF2 = (61 * (int64_t) TEMPM * (int64_t) TEMPM) >> 4;
+ int64_t SENS2 = 2 * (int64_t) TEMPM * (int64_t) TEMPM;
+ if (TEMP < 1500) {
+ int32_t TEMPP = TEMP + 1500;
+ int64_t TEMPP2 = TEMPP * TEMPP;
+ OFF2 = OFF2 + 15 * TEMPP2;
+ SENS2 = SENS2 + 8 * TEMPP2;
+ }
+ TEMP -= T2;
+ OFF -= OFF2;
+ SENS -= SENS2;
+ }
+
+ value->pres = ((((int64_t) sample->pres * SENS) >> 21) - OFF) >> 15;
+ value->temp = TEMP;
+#endif
+}