veles_labs/iaq_sensor_wired
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Fixed warning for implicit declaration of LL_mDelay

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This commit is contained in:
dooku 2021-06-09 18:52:44 +02:00
parent 9b6c86454b
commit 6b8e2f5903
2 changed files with 4 additions and 0 deletions
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3
fw/Core/Inc/sht4x.h
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@ -10,7 +10,9 @@
#include "stdint.h" #include "stdint.h"
#include "stm32l0xx_ll_i2c.h" #include "stm32l0xx_ll_i2c.h"
#include "stm32l0xx_ll_utils.h"
#include "i2c.h" #include "i2c.h"
#include "crc8.h"
/* /*
* Defines & macros * Defines & macros
@ -24,6 +26,7 @@
#define SHT4X_OK 0 #define SHT4X_OK 0
#define SHT4X_ERROR -1 // generic error #define SHT4X_ERROR -1 // generic error
#define SHT4X_CRC8_ERROR -2 // checksum failed
/* /*
* Data types * Data types

1
fw/Core/Src/sht4x.c
View File

@ -34,6 +34,7 @@ int sht4x_measure(int *temperature, int *relative_humidity)
if (result != I2C_OK) { if (result != I2C_OK) {
return SHT4X_ERROR; return SHT4X_ERROR;
} }
// TODO checksum
// Convert to T and RH; taken directly from pseudocode in SHT4x datasheet, page 3 // Convert to T and RH; taken directly from pseudocode in SHT4x datasheet, page 3
uint32_t t_ticks = (buffer[0] << 8) + buffer[1]; uint32_t t_ticks = (buffer[0] << 8) + buffer[1];
uint32_t rh_ticks = (buffer[3] << 8) + buffer[4]; uint32_t rh_ticks = (buffer[3] << 8) + buffer[4];