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Updated the OpenMote-CC2538 platform and examples.

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This commit is contained in:
Pere Tuset 2016-04-11 15:32:29 +02:00
parent 1d3c37d6da
commit 3e00ea55d1
30 changed files with 895 additions and 868 deletions
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71
platform/openmote-cc2538/dev/max44009.c
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@ -29,29 +29,33 @@
* This file is part of the Contiki operating system.
*
*/
/*---------------------------------------------------------------------------*/
/**
* \addtogroup platform
* \addtogroup openmote-max44009-sensor
* @{
*
* \defgroup openmote
*
* \file
* Driver for the MAX44009 light sensor in OpenMote-CC2538.
* Driver for the MAX44009 light sensor
*
* \author
* Pere Tuset <peretuset@openmote.com>
*/
/*---------------------------------------------------------------------------*/
#include "dev/i2c.h"
#include "dev/max44009.h"
/*---------------------------------------------------------------------------*/
/* ADDRESS AND NOT_FOUND VALUE */
/**
* \name MAX44009 address and device identifier
* @{
*/
#define MAX44009_ADDRESS (0x4A)
#define MAX44009_NOT_FOUND (0x00)
/* REGISTER ADDRESSES */
/** @} */
/*---------------------------------------------------------------------------*/
/**
* \name MAX44009 register addresses
* @{
*/
#define MAX44009_INT_STATUS_ADDR (0x00) /* R */
#define MAX44009_INT_ENABLE_ADDR (0x01) /* R/W */
#define MAX44009_CONFIG_ADDR (0x02) /* R/W */
@ -60,14 +64,17 @@
#define MAX44009_THR_HIGH_ADDR (0x05) /* R/W */
#define MAX44009_THR_LOW_ADDR (0x06) /* R/W */
#define MAX44009_THR_TIMER_ADDR (0x07) /* R/W */
/* INTERRUPT VALUES */
/** @} */
/*---------------------------------------------------------------------------*/
/**
* \name MAX44009 register values
* @{
*/
#define MAX44009_INT_STATUS_OFF (0x00)
#define MAX44009_INT_STATUS_ON (0x01)
#define MAX44009_INT_DISABLED (0x00)
#define MAX44009_INT_ENABLED (0x01)
/* CONFIGURATION VALUES */
#define MAX44009_CONFIG_DEFAULT (0 << 7)
#define MAX44009_CONFIG_CONTINUOUS (1 << 7)
#define MAX44009_CONFIG_AUTO (0 << 6)
@ -83,15 +90,12 @@
#define MAX44009_CONFIG_INTEGRATION_12ms (6 << 0)
#define MAX44009_CONFIG_INTEGRATION_6ms (7 << 0)
/* DEFAULT CONFIGURATION */
#define MAX44009_DEFAULT_CONFIGURATION (MAX44009_CONFIG_DEFAULT | \
MAX44009_CONFIG_AUTO | \
MAX44009_CONFIG_CDR_NORMAL | \
MAX44009_CONFIG_INTEGRATION_100ms)
/** @} */
/*---------------------------------------------------------------------------*/
/**
*
*/
void
max44009_init(void)
{
@ -108,19 +112,13 @@ max44009_init(void)
max44009_value[3] = (0x00);
max44009_value[4] = (0xFF);
i2c_init(I2C_SDA_PORT, I2C_SDA_PIN, I2C_SCL_PORT, I2C_SCL_PIN,
I2C_SCL_NORMAL_BUS_SPEED);
for(i = 0; i < sizeof(max44009_address); i++) {
max44009_data[0] = max44009_value[i];
max44009_data[1] = max44009_data[i];
for(i = 0; i < sizeof(max44009_address) / sizeof(max44009_address[0]); i++) {
max44009_data[0] = max44009_address[i];
max44009_data[1] = max44009_value[i];
i2c_burst_send(MAX44009_ADDRESS, max44009_data, 2);
}
}
/*---------------------------------------------------------------------------*/
/**
*
*/
void
max44009_reset(void)
{
@ -131,30 +129,28 @@ max44009_reset(void)
uint8_t max44009_data[2];
uint8_t i;
for(i = 0; i < sizeof(max44009_address); i++) {
max44009_data[0] = max44009_value[i];
max44009_data[1] = max44009_data[i];
for(i = 0; i < sizeof(max44009_address) / sizeof(max44009_address[0]); i++) {
max44009_data[0] = max44009_address[i];
max44009_data[1] = max44009_value[i];
i2c_burst_send(MAX44009_ADDRESS, max44009_data, 2);
}
}
/*---------------------------------------------------------------------------*/
/**
*
*/
uint8_t
max44009_is_present(void)
{
uint8_t status;
uint8_t is_present;
i2c_single_send(MAX44009_ADDRESS, MAX44009_CONFIG_ADDR);
i2c_single_receive(MAX44009_ADDRESS, &is_present);
status = i2c_single_receive(MAX44009_ADDRESS, &is_present);
if(status != I2C_MASTER_ERR_NONE) {
return 0;
}
return is_present != MAX44009_NOT_FOUND;
}
/*---------------------------------------------------------------------------*/
/**
*
*/
uint16_t
max44009_read_light(void)
{
@ -175,9 +171,6 @@ max44009_read_light(void)
return result;
}
/*---------------------------------------------------------------------------*/
/**
*
*/
float
max44009_convert_light(uint16_t lux)
{
@ -186,7 +179,7 @@ max44009_convert_light(uint16_t lux)
exponent = (lux >> 8) & 0xFF;
exponent = (exponent == 0x0F ? exponent & 0x0E : exponent);
mantissa = (lux >> 0) & 0xFF;
result *= 2 ^ exponent * mantissa;