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Merge pull request #2109 from chenek/cc26xx-web-demo-adc-demo

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add ADC example to cc26xx-web-demo
This commit is contained in:
George Oikonomou 2017-04-03 12:21:03 +01:00 committed by GitHub
parent e9ee15efde e823ead4b0
commit fbffcc2dfc
5 changed files with 130 additions and 1 deletions
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91
examples/cc26xx/cc26xx-web-demo/cc26xx-web-demo.c
View file

@ -55,6 +55,8 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ti-lib.h"
/*---------------------------------------------------------------------------*/
PROCESS_NAME(cetic_6lbr_client_process);
PROCESS(cc26xx_web_demo_process, "CC26XX Web Demo");
@ -85,6 +87,13 @@ static struct etimer echo_request_timer;
int def_rt_rssi = 0;
#endif
/*---------------------------------------------------------------------------*/
#if CC26XX_WEB_DEMO_ADC_DEMO
PROCESS(adc_process, "ADC process");
static uint16_t single_adc_sample;
static struct etimer et_adc;
#endif
/*---------------------------------------------------------------------------*/
process_event_t cc26xx_web_demo_publish_event;
process_event_t cc26xx_web_demo_config_loaded_event;
process_event_t cc26xx_web_demo_load_config_defaults;
@ -111,6 +120,12 @@ DEMO_SENSOR(batmon_volt, CC26XX_WEB_DEMO_SENSOR_BATMON_VOLT,
"Battery Volt", "battery-volt", "batmon_volt",
CC26XX_WEB_DEMO_UNIT_VOLT);
#if CC26XX_WEB_DEMO_ADC_DEMO
DEMO_SENSOR(adc_dio23, CC26XX_WEB_DEMO_SENSOR_ADC_DIO23,
"ADC DIO23", "adc-dio23", "adc_dio23",
CC26XX_WEB_DEMO_UNIT_VOLT);
#endif
/* Sensortag sensors */
#if BOARD_SENSORTAG
DEMO_SENSOR(bmp_pres, CC26XX_WEB_DEMO_SENSOR_BMP_PRES,
@ -467,6 +482,22 @@ get_batmon_reading(void *data)
ctimer_set(&batmon_timer, next, get_batmon_reading, NULL);
}
/*---------------------------------------------------------------------------*/
#if CC26XX_WEB_DEMO_ADC_DEMO
static void
get_adc_reading(void *data)
{
int value;
char *buf;
if(adc_dio23_reading.publish) {
value = single_adc_sample;
buf = adc_dio23_reading.converted;
memset(buf, 0, CC26XX_WEB_DEMO_CONVERTED_LEN);
snprintf(buf, CC26XX_WEB_DEMO_CONVERTED_LEN, "%d", (value * 4300) >> 12);
}
}
#endif
/*---------------------------------------------------------------------------*/
#if BOARD_SENSORTAG
/*---------------------------------------------------------------------------*/
static void
@ -825,6 +856,11 @@ init_sensors(void)
list_add(sensor_list, &batmon_temp_reading);
list_add(sensor_list, &batmon_volt_reading);
#if CC26XX_WEB_DEMO_ADC_DEMO
list_add(sensor_list, &adc_dio23_reading);
#endif
SENSORS_ACTIVATE(batmon_sensor);
#if BOARD_SENSORTAG
@ -864,6 +900,7 @@ PROCESS_THREAD(cc26xx_web_demo_process, ev, data)
/* Start all other (enabled) processes first */
process_start(&httpd_simple_process, NULL);
#if CC26XX_WEB_DEMO_COAP_SERVER
process_start(&coap_server_process, NULL);
#endif
@ -880,6 +917,10 @@ PROCESS_THREAD(cc26xx_web_demo_process, ev, data)
process_start(&net_uart_process, NULL);
#endif
#if CC26XX_WEB_DEMO_ADC_DEMO
process_start(&adc_process, NULL);
#endif
/*
* Now that processes have set their own config default values, set our
* own defaults and restore saved config from flash...
@ -967,6 +1008,56 @@ PROCESS_THREAD(cc26xx_web_demo_process, ev, data)
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
#if CC26XX_WEB_DEMO_ADC_DEMO
PROCESS_THREAD(adc_process, ev, data)
{
PROCESS_BEGIN();
etimer_set(&et_adc, CLOCK_SECOND * 5);
while(1) {
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et_adc));
/* intialisation of ADC */
ti_lib_aon_wuc_aux_wakeup_event(AONWUC_AUX_WAKEUP);
while(!(ti_lib_aon_wuc_power_status_get() & AONWUC_AUX_POWER_ON));
/*
* Enable clock for ADC digital and analog interface (not currently enabled
* in driver)
*/
ti_lib_aux_wuc_clock_enable(AUX_WUC_ADI_CLOCK | AUX_WUC_ANAIF_CLOCK |
AUX_WUC_SMPH_CLOCK);
while(ti_lib_aux_wuc_clock_status(AUX_WUC_ADI_CLOCK | AUX_WUC_ANAIF_CLOCK |
AUX_WUC_SMPH_CLOCK)
!= AUX_WUC_CLOCK_READY);
/* Connect AUX IO7 (DIO23, but also DP2 on XDS110) as analog input. */
ti_lib_aux_adc_select_input(ADC_COMPB_IN_AUXIO7);
/* Set up ADC range, AUXADC_REF_FIXED = nominally 4.3 V */
ti_lib_aux_adc_enable_sync(AUXADC_REF_FIXED, AUXADC_SAMPLE_TIME_2P7_US,
AUXADC_TRIGGER_MANUAL);
/* Trigger ADC converting */
ti_lib_aux_adc_gen_manual_trigger();
/* Read value */
single_adc_sample = ti_lib_aux_adc_read_fifo();
/* Shut the adc down */
ti_lib_aux_adc_disable();
get_adc_reading(NULL);
etimer_reset(&et_adc);
}
PROCESS_END();
}
#endif
/*---------------------------------------------------------------------------*/
/**
* @}
*/

7
examples/cc26xx/cc26xx-web-demo/cc26xx-web-demo.h
View file

@ -79,6 +79,12 @@
#else
#define CC26XX_WEB_DEMO_NET_UART 1
#endif
#ifdef CC26XX_WEB_DEMO_CONF_ADC_DEMO
#define CC26XX_WEB_DEMO_ADC_DEMO CC26XX_WEB_DEMO_CONF_ADC_DEMO
#else
#define CC26XX_WEB_DEMO_ADC_DEMO 0
#endif
/*---------------------------------------------------------------------------*/
/* Active probing of RSSI from our preferred parent */
#if (CC26XX_WEB_DEMO_COAP_SERVER || CC26XX_WEB_DEMO_MQTT_CLIENT)
@ -146,6 +152,7 @@
#define CC26XX_WEB_DEMO_SENSOR_MPU_GYRO_X 12
#define CC26XX_WEB_DEMO_SENSOR_MPU_GYRO_Y 13
#define CC26XX_WEB_DEMO_SENSOR_MPU_GYRO_Z 14
#define CC26XX_WEB_DEMO_SENSOR_ADC_DIO23 15
/*---------------------------------------------------------------------------*/
extern process_event_t cc26xx_web_demo_publish_event;
extern process_event_t cc26xx_web_demo_config_loaded_event;

9
examples/cc26xx/cc26xx-web-demo/coap-server.c
View file

@ -40,6 +40,7 @@
#include "rest-engine.h"
#include "board-peripherals.h"
#include "rf-core/rf-ble.h"
#include "cc26xx-web-demo.h"
#include <stdio.h>
#include <stdlib.h>
@ -85,6 +86,10 @@ extern resource_t res_mpu_gyro_z;
extern resource_t res_toggle_orange;
extern resource_t res_toggle_yellow;
#endif
#if CC26XX_WEB_DEMO_ADC_DEMO
extern resource_t res_adc_dio23;
#endif
/*---------------------------------------------------------------------------*/
const char *coap_server_not_found_msg = "Resource not found";
const char *coap_server_supported_msg = "Supported:"
@ -134,6 +139,10 @@ PROCESS_THREAD(coap_server_process, ev, data)
rest_activate_resource(&res_batmon_temp, "sen/batmon/temp");
rest_activate_resource(&res_batmon_volt, "sen/batmon/voltage");
#if CC26XX_WEB_DEMO_ADC_DEMO
rest_activate_resource(&res_adc_dio23, "sen/adc/dio23");
#endif
rest_activate_resource(&res_device_hw, "dev/mdl/hw");
rest_activate_resource(&res_device_sw, "dev/mdl/sw");
rest_activate_resource(&res_device_uptime, "dev/uptime");

7
examples/cc26xx/cc26xx-web-demo/project-conf.h
View file

@ -41,6 +41,13 @@
#define CC26XX_WEB_DEMO_CONF_6LBR_CLIENT 1
#define CC26XX_WEB_DEMO_CONF_COAP_SERVER 1
#define CC26XX_WEB_DEMO_CONF_NET_UART 1
/*
* ADC sensor functionality. To test this, an external voltage source should be
* connected to DIO23
* Enable/Disable DIO23 ADC reading by setting CC26XX_WEB_DEMO_CONF_ADC_DEMO
*/
#define CC26XX_WEB_DEMO_CONF_ADC_DEMO 0
/*---------------------------------------------------------------------------*/
/* Enable the ROM bootloader */
#define ROM_BOOTLOADER_ENABLE 1

15
examples/cc26xx/cc26xx-web-demo/resources/res-sensors.c
View file

@ -117,6 +117,21 @@ RESOURCE(res_batmon_temp, "title=\"Battery Temp\";rt=\"C\"",
RESOURCE(res_batmon_volt, "title=\"Battery Voltage\";rt=\"mV\"",
res_get_handler_batmon_volt, NULL, NULL, NULL);
/*---------------------------------------------------------------------------*/
#if CC26XX_WEB_DEMO_ADC_DEMO
/*---------------------------------------------------------------------------*/
static void
res_get_handler_adc_dio23(void *request, void *response, uint8_t *buffer,
uint16_t preferred_size, int32_t *offset)
{
res_get_handler_all(CC26XX_WEB_DEMO_SENSOR_ADC_DIO23, request, response,
buffer, preferred_size, offset);
}
/*---------------------------------------------------------------------------*/
RESOURCE(res_adc_dio23, "title=\"ADC DIO23\";rt=\"mV\"",
res_get_handler_adc_dio23, NULL, NULL, NULL);
/*---------------------------------------------------------------------------*/
#endif
/*---------------------------------------------------------------------------*/
#if BOARD_SENSORTAG
/*---------------------------------------------------------------------------*/
/* MPU resources and handler: Accelerometer and Gyro */