Davide Urbano
Working version. ADXL355 data saved to microSD.
Diff: adxl355.h
- Revision:
- 0:e2579e8d9b13
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/adxl355.h Fri Sep 29 12:53:50 2017 +0000
@@ -0,0 +1,247 @@
+/**
+ ******************************************************************************
+ * @file adxl355.h
+ * @author DUR
+ * @version V1.0.0
+ * @date 01-Aug-2017
+ * @brief Header file of a library for adxl355 interface.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2014 TD Group</center></h2>
+ *
+ * The information contained herein is property of TD Group S.p.A.
+ *
+ * Licensees are granted free, non-transferable use of the information. NO
+ * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+ * the file.
+ *
+ ******************************************************************************
+ */
+
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __ADXL355_H
+#define __ADXL355_H
+
+
+/* Includes ------------------------------------------------------------------*/
+#include <stdint.h>
+#include <string.h>
+
+
+
+/* Exported define -----------------------------------------------------------*/
+
+/** @brief ID dell'accelerometro
+ */
+#define ADXL355_DEVICE_ID 0xED
+
+
+/** @brief Codice per effettuare il reset sw dell'accelerometro
+ */
+#define ADXL355_RESET_CODE 0x52
+
+
+/** @brief Start/stop self-test
+ */
+#define ADXL355_SELF_TEST_ENABLE 0x01
+#define ADXL355_SELF_TEST_DISABLE 0x00
+
+
+/** @brief Indirizzi registri accelerometro
+ */
+#define ADXL355_DEVID_AD 0x00
+#define ADXL355_DEVID_MST 0x01
+#define ADXL355_PARTID 0x02
+#define ADXL355_REVID 0x03
+#define ADXL355_STATUS 0x04
+#define ADXL355_FIFO_ENTRIES 0x05
+#define ADXL355_TEMP2 0x06
+#define ADXL355_TEMP1 0x07
+#define ADXL355_XDATA3 0x08
+#define ADXL355_XDATA2 0x09
+#define ADXL355_XDATA1 0x0A
+#define ADXL355_YDATA3 0x0B
+#define ADXL355_YDATA2 0x0C
+#define ADXL355_YDATA1 0x0D
+#define ADXL355_ZDATA3 0x0E
+#define ADXL355_ZDATA2 0x0F
+#define ADXL355_ZDATA1 0x10
+#define ADXL355_FIFO_DATA 0x11
+#define ADXL355_OFFSET_X_H 0x1E
+#define ADXL355_OFFSET_X_L 0x1F
+#define ADXL355_OFFSET_Y_H 0x20
+#define ADXL355_OFFSET_Y_L 0x21
+#define ADXL355_OFFSET_Z_H 0x22
+#define ADXL355_OFFSET_Z_L 0x23
+#define ADXL355_ACT_EN 0x24
+#define ADXL355_ACT_THRESH_H 0x25
+#define ADXL355_ACT_THRESH_L 0x26
+#define ADXL355_ACT_COUNT 0x27
+#define ADXL355_FILTER 0x28
+#define ADXL355_FIFO_SAMPLES 0x29
+#define ADXL355_INT_MAP 0x2A
+#define ADXL355_SYNC 0x2B
+#define ADXL355_RANGE 0x2C
+#define ADXL355_POWER_CTL 0x2D
+#define ADXL355_SELF_TEST 0x2E
+#define ADXL355_RESET 0x2F
+
+
+/** @brief Maschere di bit
+ */
+#define ADXL355_READ_BYTE_MASK 0x01
+#define ADXL355_WRITE_BYTE_MASK 0xFE
+
+#define ADXL355_20_BIT_MASK 0x000FFFFF
+#define ADXL355_12_BIT_MASK 0x0FFF
+
+#define ADXL355_RANGE_MASK 0x03
+#define ADXL355_ODR_MASK 0x0F
+#define ADXL355_INT_POL_MASK 0x40
+#define ADXL355_INT_1_MASK 0x0F
+#define ADXL355_INT_2_MASK 0xF0
+#define ADXL355_MEAS_MASK 0x03
+#define ADXL355_DRDY_OFF_MASK 0x04
+#define ADXL355_SELF_TEST_MASK 0x03
+
+
+/** @brief Temperature parameters
+ */
+#define ADXL355_TEMP_BIAS (float)1852.0 /* Accelerometer temperature bias(in ADC codes) at 25 Deg C */
+#define ADXL355_TEMP_SLOPE (float)-9.05 /* Accelerometer temperature change from datasheet (LSB/degC) */
+
+
+
+/* Exported typedef ----------------------------------------------------------*/
+/** @brief Enumerativo per le misure attive sul sensore in un determinato momento.
+ */
+typedef enum
+{
+ adxl355_acc = 0u, //Sola misura di accelerazione attiva
+ adxl355_both, //Entrambe le misure attive (accelerazione e temperatura)
+ adxl355_none //Nessuna misura attiva
+}adxl355_measure_enabled;
+
+
+/** @brief Enumerativo per valori di range di misura ammissibili.
+ */
+typedef enum
+{
+ adxl355_2g = 1u,
+ adxl355_4g,
+ adxl355_8g
+}adxl355_range_value;
+
+
+/** @brief Enumerativo per valori di output data rate ammissibili.
+ */
+typedef enum
+{
+ adxl355_4000hz = 0u,
+ adxl355_2000hz,
+ adxl355_1000hz,
+ adxl355_500hz,
+ adxl355_250hz,
+ adxl355_125hz,
+ adxl355_62p5hz,
+ adxl355_31p25hz,
+ adxl355_15p625hz,
+ adxl355_7p813hz,
+ adxl355_3p906hz
+}adxl355_output_datarate_value;
+
+
+
+/** @brief Enumerativo per i differenti eventi associabili ai 2 interrupt ammissibili.
+ */
+typedef enum
+{
+ adxl355_rdy_en = 0u, //DATA_RDY interrupt enable on INT1/2
+ adxl355_full_en, //FIFO_FULL interrupt enable on INT1/2
+ adxl355_ovr_en, //FIFO_OVR interrupt enable on INT1/2
+ adxl355_act_en //Activity interrupt enable on INT1/2
+}adxl355_int_event;
+
+
+
+
+/** @brief Struttura che setta i parametri degli interrupt sui 2 pin a disposizione.
+ */
+typedef struct adxl355_gpio_config_t
+{
+ adxl355_int_event int1_evt; //evento che scatena l'interrupt 1
+ adxl355_int_event int2_evt; //evento che scatena l'interrupt 2
+ bool int_act_low; // se true gli interrupt sono attivi basso, altrimenti attivi alto
+}adxl355_int_config;
+
+
+
+/** @brief Struttura che definisce i parametri di configurazione ed utilizzo
+ * dell'accelerometro
+ */
+typedef struct adxl355_handler_t
+{
+ /* Range di misura */
+ adxl355_range_value measure_range;
+ /* Data rate di acquisizione */
+ adxl355_output_datarate_value out_data_rate;
+ /* Pin di controllo dell'accelerometro - porre a NULL se non utilizzati */
+ uint32_t drdy_pin; //output
+ uint32_t int1_pin; //output
+ uint32_t int2_pin; //output
+ /* Configurazione interrupt */
+ adxl355_int_config int_config;
+ /* Valori grezzi della accelerazione */
+ uint32_t raw_acc_x_value;
+ uint32_t raw_acc_y_value;
+ uint32_t raw_acc_z_value;
+ /* Valore grezzo della temperatura */
+ uint16_t raw_temp_value;
+}adxl355_handler;
+
+
+
+
+
+/* Exported types ------------------------------------------------------------*/
+
+/* Exported constants --------------------------------------------------------*/
+
+/* Exported macro ------------------------------------------------------------*/
+
+
+/* Exported function prototypes ----------------------------------------------*/
+/**< Funzione che restituisce i parametri identificativi del driver */
+void adxl355_driver_info(uint8_t * adxl355_driver_version, uint8_t * adxl355_driver_revision, uint8_t * adxl355_driver_patch);
+/**< Funzione che restituisce l'ID dell'accelerometro */
+uint16_t adxl355_who_am_i(uint8_t * adxl355_device_id);
+/**< Funzione di inizializzazione dell'accelerometro */
+uint16_t adxl355_init(adxl355_handler *adxl_init_handler);
+/**< Funzione di start/stop delle acquisizioni */
+uint16_t adxl355_start_acquisition(adxl355_measure_enabled adxl_start);
+/**< Funzione per la lettura del/i dato/i acquisito/i */
+uint16_t adxl355_get_data(adxl355_handler *adxl_data_handler);
+/**< Funzione che restituisce il valore grezzo di accelerazione lungo l'asse X */
+uint32_t adxl355_raw_x_acc(adxl355_handler *adxl_xdata_handler);
+/**< Funzione che restituisce il valore grezzo di accelerazione lungo l'asse Y */
+uint32_t adxl355_raw_y_acc(adxl355_handler *adxl_ydata_handler);
+/**< Funzione che restituisce il valore grezzo di accelerazione lungo l'asse Z */
+uint32_t adxl355_raw_z_acc(adxl355_handler *adxl_zdata_handler);
+/**< Funzione che restituisce il valore grezzo di temperatura */
+uint16_t adxl355_raw_temp(adxl355_handler *adxl_tdata_handler);
+/**< Funzione per il reset sw */
+uint16_t adxl355_sw_reset(void);
+/**< Funzione per il self-test */
+uint16_t adxl355_self_test(bool adxl_start);
+
+
+/* Funzione di trasferimento su bus SPI */
+extern uint16_t adxl355_spi_transfer(uint8_t * rbuffer, uint32_t rlen);
+
+#endif
+
+/************************ (C) COPYRIGHT TD Group *****END OF FILE****/
+
+