diff options
Diffstat (limited to 'src/drivers')
-rw-r--r-- | src/drivers/ao_ms5607.c | 40 | ||||
-rw-r--r-- | src/drivers/ao_ms5607.h | 2 | ||||
-rw-r--r-- | src/drivers/ao_ms5607_convert_8051.c | 60 |
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 +} |