From af8cb40851a5cf5e3bd06ddd85e4e2df16bfbad2 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Tue, 30 Oct 2012 19:44:45 -0700 Subject: [PATCH] altos/micropeak: Run MS5607 at max resolution for micropeak We've got lots of time, so get the highest resolution baro data available. Signed-off-by: Keith Packard --- src/drivers/ao_ms5607.c | 18 ++++++++++++++++-- src/micropeak/ao_pins.h | 3 +++ 2 files changed, 19 insertions(+), 2 deletions(-) diff --git a/src/drivers/ao_ms5607.c b/src/drivers/ao_ms5607.c index 55bea563..bd57400e 100644 --- a/src/drivers/ao_ms5607.c +++ b/src/drivers/ao_ms5607.c @@ -160,11 +160,25 @@ ao_ms5607_get_sample(uint8_t cmd) { return ((uint32_t) reply[0] << 16) | ((uint32_t) reply[1] << 8) | (uint32_t) reply[2]; } +#ifndef AO_MS5607_BARO_OVERSAMPLE +#define AO_MS5607_BARO_OVERSAMPLE 2048 +#endif + +#ifndef AO_MS5607_TEMP_OVERSAMPLE +#define AO_MS5607_TEMP_OVERSAMPLE AO_MS5607_BARO_OVERSAMPLE +#endif + +#define token_paster(x,y) x ## y +#define token_evaluator(x,y) token_paster(x,y) + +#define AO_CONVERT_D1 token_evaluator(AO_MS5607_CONVERT_D1_, AO_MS5607_BARO_OVERSAMPLE) +#define AO_CONVERT_D2 token_evaluator(AO_MS5607_CONVERT_D2_, AO_MS5607_TEMP_OVERSAMPLE) + void ao_ms5607_sample(struct ao_ms5607_sample *sample) { - sample->pres = ao_ms5607_get_sample(AO_MS5607_CONVERT_D1_2048); - sample->temp = ao_ms5607_get_sample(AO_MS5607_CONVERT_D2_2048); + sample->pres = ao_ms5607_get_sample(AO_CONVERT_D1); + sample->temp = ao_ms5607_get_sample(AO_CONVERT_D2); } #include "ao_ms5607_convert.c" diff --git a/src/micropeak/ao_pins.h b/src/micropeak/ao_pins.h index cf5951df..64f4444f 100644 --- a/src/micropeak/ao_pins.h +++ b/src/micropeak/ao_pins.h @@ -41,9 +41,12 @@ #define AO_MS5607_CS_PORT PORTB #define AO_MS5607_CS_PIN 3 +/* MS5607 */ #define AO_MS5607_SPI_INDEX 0 #define AO_MS5607_MISO_PORT PORTB #define AO_MS5607_MISO_PIN 0 +#define AO_MS5607_BARO_OVERSAMPLE 4096 +#define AO_MS5607_TEMP_OVERSAMPLE 1024 /* I2C */ #define I2C_PORT PORTB -- 2.30.2