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Merge pull request #1684 from g-oikonomou/contrib/cc26xx/aux-ctrl-and-adc

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Add CC13xx/CC26xx AUX controller module, ADC support, ALS driver and example
This commit is contained in:
Antonio Lignan 2016-06-07 14:36:28 +02:00
commit ee0b02c819
15 changed files with 707 additions and 77 deletions
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4
cpu/cc26xx-cc13xx/Makefile.cc26xx-cc13xx
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@ -68,8 +68,8 @@ CONTIKI_CPU_DIRS += ../arm/common/dbg-io
### CPU-dependent source files
CONTIKI_CPU_SOURCEFILES += clock.c rtimer-arch.c soc-rtc.c uart.c
CONTIKI_CPU_SOURCEFILES += contiki-watchdog.c
CONTIKI_CPU_SOURCEFILES += putchar.c ieee-addr.c batmon-sensor.c
CONTIKI_CPU_SOURCEFILES += contiki-watchdog.c aux-ctrl.c
CONTIKI_CPU_SOURCEFILES += putchar.c ieee-addr.c batmon-sensor.c adc-sensor.c
CONTIKI_CPU_SOURCEFILES += slip-arch.c slip.c cc26xx-uart.c lpm.c
CONTIKI_CPU_SOURCEFILES += gpio-interrupt.c oscillators.c
CONTIKI_CPU_SOURCEFILES += rf-core.c rf-ble.c ieee-mode.c

133
cpu/cc26xx-cc13xx/dev/adc-sensor.c Normal file
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@ -0,0 +1,133 @@
/*
* Copyright (c) 2016, University of Bristol - http://www.bristol.ac.uk
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*---------------------------------------------------------------------------*/
/**
* \addtogroup cc26xx-adc-sensor
* @{
*
* \file
* Driver for the CC13xx/CC26xx ADC
*/
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "lib/sensors.h"
#include "dev/adc-sensor.h"
#include "gpio-interrupt.h"
#include "sys/timer.h"
#include "lpm.h"
#include "ti-lib.h"
#include "driverlib/aux_adc.h"
#include "aux-ctrl.h"
#include <stdio.h>
#include <stdbool.h>
/*---------------------------------------------------------------------------*/
static uint8_t channel = ADC_COMPB_IN_AUXIO0;
static bool is_active = false;
static aux_consumer_module_t adc_aux = {
.clocks = AUX_WUC_ADI_CLOCK | AUX_WUC_ANAIF_CLOCK | AUX_WUC_SMPH_CLOCK
};
/*---------------------------------------------------------------------------*/
static int
config(int type, int c)
{
switch(type) {
case SENSORS_ACTIVE:
is_active = c;
if(is_active) {
/* Request AUX access, with ADI and SMPH clocks */
aux_ctrl_register_consumer(&adc_aux);
ti_lib_aux_adc_select_input(channel);
} else {
aux_ctrl_unregister_consumer(&adc_aux);
}
break;
case ADC_SENSOR_SET_CHANNEL:
channel = c;
if(is_active) {
ti_lib_aux_adc_select_input(channel);
}
break;
default:
break;
}
return 1;
}
/*---------------------------------------------------------------------------*/
static int
status(int type)
{
switch(type) {
case SENSORS_ACTIVE:
if(is_active) {
return 1;
}
break;
default:
break;
}
return 0;
}
/*---------------------------------------------------------------------------*/
static int
value(int type)
{
if(type == ADC_SENSOR_VALUE) {
int val;
if(!is_active) {
puts("ADC not active");
return 0;
}
ti_lib_aux_adc_enable_sync(AUXADC_REF_FIXED, AUXADC_SAMPLE_TIME_2P7_US,
AUXADC_TRIGGER_MANUAL);
ti_lib_aux_adc_gen_manual_trigger();
val = ti_lib_aux_adc_read_fifo();
ti_lib_aux_adc_disable();
return val;
}
return 0;
}
/*---------------------------------------------------------------------------*/
SENSORS_SENSOR(adc_sensor, ADC_SENSOR, value, config, status);
/*---------------------------------------------------------------------------*/
/** @} */

61
cpu/cc26xx-cc13xx/dev/adc-sensor.h Normal file
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@ -0,0 +1,61 @@
/*
* Copyright (c) 2016, University of Bristol - http://www.bristol.ac.uk
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*---------------------------------------------------------------------------*/
/**
* \addtogroup cc26xx
* @{
*
* \defgroup cc26xx-adc-sensor CC13xx/CC26xx ADC Sensor
* @{
*
* \file
* Header file for the CC13xx/CC26xx ADC driver
*/
/*---------------------------------------------------------------------------*/
#ifndef ADC_SENSOR_H_
#define ADC_SENSOR_H_
/*---------------------------------------------------------------------------*/
#include "lib/sensors.h"
/*---------------------------------------------------------------------------*/
#define ADC_SENSOR "ADC"
/*---------------------------------------------------------------------------*/
#define ADC_SENSOR_VALUE 0
/*---------------------------------------------------------------------------*/
/* configuration commands */
#define ADC_SENSOR_SET_CHANNEL 1 /* takes ADC_COMPB_IN_AUXIxx as parameter */
/*---------------------------------------------------------------------------*/
extern const struct sensors_sensor adc_sensor;
/*---------------------------------------------------------------------------*/
#endif /* ADC_SENSOR_H_ */
/*---------------------------------------------------------------------------*/
/**
* @}
* @}
*/

116
cpu/cc26xx-cc13xx/dev/aux-ctrl.c Normal file
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@ -0,0 +1,116 @@
/*
* Copyright (c) 2016, University of Bristol - http://www.bris.ac.uk/
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "dev/aux-ctrl.h"
#include "lib/list.h"
#include "ti-lib.h"
#include <stdint.h>
#include <stdbool.h>
/*---------------------------------------------------------------------------*/
LIST(consumers_list);
/*---------------------------------------------------------------------------*/
void
aux_ctrl_register_consumer(aux_consumer_module_t *consumer)
{
bool interrupts_disabled = ti_lib_int_master_disable();
list_add(consumers_list, consumer);
aux_ctrl_power_up();
ti_lib_aux_wuc_clock_enable(consumer->clocks);
while(ti_lib_aux_wuc_clock_status(consumer->clocks) != AUX_WUC_CLOCK_READY);
if(!interrupts_disabled) {
ti_lib_int_master_enable();
}
}
/*---------------------------------------------------------------------------*/
void
aux_ctrl_unregister_consumer(aux_consumer_module_t *consumer)
{
bool interrupts_disabled = ti_lib_int_master_disable();
list_remove(consumers_list, consumer);
aux_ctrl_power_down(false);
if(!interrupts_disabled) {
ti_lib_int_master_enable();
}
}
/*---------------------------------------------------------------------------*/
void
aux_ctrl_power_up()
{
/* Don't if we have no consumers */
if(list_head(consumers_list) == NULL) {
return;
}
ti_lib_aon_wuc_aux_wakeup_event(AONWUC_AUX_WAKEUP);
while(!(ti_lib_aon_wuc_power_status_get() & AONWUC_AUX_POWER_ON));
}
/*---------------------------------------------------------------------------*/
void
aux_ctrl_power_down(bool force)
{
aux_consumer_module_t *consumer;
uint32_t clocks_in_use = 0;
if(!force) {
/* Visit all modules and release clocks */
for(consumer = list_head(consumers_list); consumer != NULL;
consumer = consumer->next) {
clocks_in_use |= consumer->clocks;
}
/* If any clocks are still in use, AUX needs to stay powered and clocked */
if(clocks_in_use) {
ti_lib_aon_wuc_aux_power_down_config(AONWUC_CLOCK_SRC_LF);
return;
}
}
/* No clock for AUX in power down */
ti_lib_aon_wuc_aux_power_down_config(AONWUC_NO_CLOCK);
/* Disable retention */
ti_lib_aon_wuc_aux_sram_config(false);
/* Turn off AUX */
ti_lib_aon_wuc_aux_wakeup_event(AONWUC_AUX_ALLOW_SLEEP);
ti_lib_aux_wuc_power_ctrl(AUX_WUC_POWER_OFF);
while(ti_lib_aon_wuc_power_status_get() & AONWUC_AUX_POWER_ON);
}
/*---------------------------------------------------------------------------*/

143
cpu/cc26xx-cc13xx/dev/aux-ctrl.h Normal file
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@ -0,0 +1,143 @@
/*
* Copyright (c) 2016, University of Bristol - http://www.bris.ac.uk/
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*---------------------------------------------------------------------------*/
/**
* \addtogroup cc26xx
* @{
*
* \defgroup cc26xx-aux-ctrl CC13xx/CC26xx AUX domain controller
*
* CC13xx/CC26xx AUX domain power management controller
*
* @{
*
* \file
* Header file for the management of the CC13xx/CC26xx AUX domain
*/
/*---------------------------------------------------------------------------*/
#ifndef AUX_CTRL_H_
#define AUX_CTRL_H_
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "ti-lib.h"
#include <stdint.h>
/*---------------------------------------------------------------------------*/
/**
* \brief The data structure to be used for modules that require access to AUX
*
* The clocks field should specify the clocks (within AUX) that your module
* requires in order to perform its functionality. Those clocks are an ORd
* value of AUX_WUC_xxxx_CLOCK. For instance, the oscillators module specifies
* AUX_WUC_OSCCTRL_CLOCK | AUX_WUC_SMPH_CLOCK
*/
typedef struct aux_consumer_module {
struct aux_consumer_module *next;
uint32_t clocks;
} aux_consumer_module_t;
/*---------------------------------------------------------------------------*/
/**
* \brief Register a module that no longer requires access to the AUX power domain
* \param consumer A pointer to the data structure of your AUX consumer
*
* Call this function if you are developing a module that requires access to
* hardware within the AUX PD. Calling this function will achieve a number of
* things:
*
* - It will power up the AUX PD
* - It will enable the AUX clocks that you require
*
* If you call this function, AUX will stay powered-on and clocked during deep
* sleep, and retention will be enabled (so that you can e.g. use the sensor
* controller to monitor peripherals while the main MCU in deep sleep). If you
* do not need AUX enabled during deep sleep, you must release it by calling
* aux_ctrl_unregister_consumer()
*
* \sa aux_ctrl_unregister_consumer
*/
void aux_ctrl_register_consumer(aux_consumer_module_t *consumer);
/**
* \brief Deregister a module that no longer requires access to the AUX power domain
* \param consumer A pointer to the data structure of your AUX consumer
*
* When your module is finished using features provided from within the AUX
* domain, you should call this function to signal that AUX is no longer
* required, so that the LPM module can power it down in deep sleep. If there
* are no more registered consumers left, this function will also power down
* AUX.
*
* \sa aux_ctrl_register_consumer
* \sa aux_ctrl_power_down
*/
void aux_ctrl_unregister_consumer(aux_consumer_module_t *consumer);
/**
* \brief Power-up the AUX power domain
*
* This function will power up the AUX power-domain, but only if there are
* registered consumers for it. If there are not, the PD will stay off.
*
* This function will automatically get called by the LPM module whenever the
* chip comes out of deep sleep.
*
* User applications will normally not need to call this function. if you are
* developing a user application that requires access, to AUX, you should
* normally call aux_ctrl_register_consumer(), which will automatically power
* up AUX for you, if it's not already powered.
*/
void aux_ctrl_power_up(void);
/**
* \brief Power down the AUX power domain
* \param force Force the power down irrespective of registered consumers
*
* This function will shut down the AUX power-domain.
*
* The shutdown is unconditional if force is true. If force is false and there
* are registered consumers, the power-down will be suppressed.
*
* This function will automatically get called by the LPM module whenever the
* chip tries to enter deep sleep or shuts down.
*
* User applications will normally not need to call this function. if you are
* developing a user application that no longer requires access, to AUX, you
* should normally simply release it by calling aux_ctrl_unregister_consumer().
* If no other consumers are using AUX, then the lpm module will shut it down.
*/
void aux_ctrl_power_down(bool force);
/*---------------------------------------------------------------------------*/
#endif /* AUX_CTRL_H_ */
/*---------------------------------------------------------------------------*/
/**
* @}
* @}
*/

86
cpu/cc26xx-cc13xx/dev/oscillators.c
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@ -37,44 +37,18 @@
*/
/*---------------------------------------------------------------------------*/
#include "ti-lib.h"
#include "aux-ctrl.h"
#include <stdint.h>
/*---------------------------------------------------------------------------*/
static uint32_t
osc_interface_en(void)
{
uint32_t smph_clk_state;
/* Enable OSC DIG interface to change clock sources */
ti_lib_osc_interface_enable();
/* Save the state of the SMPH clock within AUX */
smph_clk_state = ti_lib_aux_wuc_clock_status(AUX_WUC_SMPH_CLOCK);
/* Make sure the SMPH clock within AUX is enabled */
ti_lib_aux_wuc_clock_enable(AUX_WUC_SMPH_CLOCK);
while(ti_lib_aux_wuc_clock_status(AUX_WUC_SMPH_CLOCK) != AUX_WUC_CLOCK_READY);
return smph_clk_state;
}
/*---------------------------------------------------------------------------*/
static void
osc_interface_dis(uint32_t smph_clk_state)
{
/* If the SMPH clock was off, turn it back off */
if(smph_clk_state == AUX_WUC_CLOCK_OFF) {
ti_lib_aux_wuc_clock_disable(AUX_WUC_SMPH_CLOCK);
}
/* Disable OSC DIG interface */
ti_lib_osc_interface_disable();
}
/*---------------------------------------------------------------------------*/
void
oscillators_select_lf_xosc(void)
{
/* Enable the Osc interface and remember the state of the SMPH clock */
uint32_t smph_clk_state = osc_interface_en();
/* Request AUX access, with OSCCTRL and SMPH clocks */
aux_consumer_module_t osc = {
.clocks = AUX_WUC_OSCCTRL_CLOCK | AUX_WUC_SMPH_CLOCK
};
aux_ctrl_register_consumer(&osc);
/* Switch LF clock source to the LF XOSC if required */
if(ti_lib_osc_clock_source_get(OSC_SRC_CLK_LF) != OSC_XOSC_LF) {
@ -91,15 +65,18 @@ oscillators_select_lf_xosc(void)
0x3);
}
/* Restore the SMPH clock and disable the OSC interface */
osc_interface_dis(smph_clk_state);
/* Release the OSC AUX consumer */
aux_ctrl_unregister_consumer(&osc);
}
/*---------------------------------------------------------------------------*/
void
oscillators_select_lf_rcosc(void)
{
/* Enable the Osc interface and remember the state of the SMPH clock */
uint32_t smph_clk_state = osc_interface_en();
/* Request AUX access, with OSCCTRL and SMPH clocks */
aux_consumer_module_t osc = {
.clocks = AUX_WUC_OSCCTRL_CLOCK | AUX_WUC_SMPH_CLOCK
};
aux_ctrl_register_consumer(&osc);
/* Switch LF clock source to the LF XOSC if required */
if(ti_lib_osc_clock_source_get(OSC_SRC_CLK_LF) != OSC_RCOSC_LF) {
@ -109,15 +86,18 @@ oscillators_select_lf_rcosc(void)
while(ti_lib_osc_clock_source_get(OSC_SRC_CLK_LF) != OSC_RCOSC_LF);
}
/* Restore the SMPH clock and disable the OSC interface */
osc_interface_dis(smph_clk_state);
/* Release the OSC AUX consumer */
aux_ctrl_unregister_consumer(&osc);
}
/*---------------------------------------------------------------------------*/
void
oscillators_request_hf_xosc(void)
{
/* Enable the Osc interface and remember the state of the SMPH clock */
uint32_t smph_clk_state = osc_interface_en();
/* Request AUX access, with OSCCTRL and SMPH clocks */
aux_consumer_module_t osc = {
.clocks = AUX_WUC_OSCCTRL_CLOCK | AUX_WUC_SMPH_CLOCK
};
aux_ctrl_register_consumer(&osc);
if(ti_lib_osc_clock_source_get(OSC_SRC_CLK_HF) != OSC_XOSC_HF) {
/*
@ -128,30 +108,36 @@ oscillators_request_hf_xosc(void)
ti_lib_osc_clock_source_set(OSC_SRC_CLK_MF | OSC_SRC_CLK_HF, OSC_XOSC_HF);
}
/* Restore the SMPH clock and disable the OSC interface */
osc_interface_dis(smph_clk_state);
/* Release the OSC AUX consumer */
aux_ctrl_unregister_consumer(&osc);
}
/*---------------------------------------------------------------------------*/
void
oscillators_switch_to_hf_xosc(void)
{
/* Enable the Osc interface and remember the state of the SMPH clock */
uint32_t smph_clk_state = osc_interface_en();
/* Request AUX access, with OSCCTRL and SMPH clocks */
aux_consumer_module_t osc = {
.clocks = AUX_WUC_OSCCTRL_CLOCK | AUX_WUC_SMPH_CLOCK
};
aux_ctrl_register_consumer(&osc);
if(ti_lib_osc_clock_source_get(OSC_SRC_CLK_HF) != OSC_XOSC_HF) {
/* Switch the HF clock source (cc26xxware executes this from ROM) */
ti_lib_osc_hf_source_switch();
}
/* Restore the SMPH clock and disable the OSC interface */
osc_interface_dis(smph_clk_state);
/* Release the OSC AUX consumer */
aux_ctrl_unregister_consumer(&osc);
}
/*---------------------------------------------------------------------------*/
void
oscillators_switch_to_hf_rc(void)
{
/* Enable the Osc interface and remember the state of the SMPH clock */
uint32_t smph_clk_state = osc_interface_en();
/* Request AUX access, with OSCCTRL and SMPH clocks */
aux_consumer_module_t osc = {
.clocks = AUX_WUC_OSCCTRL_CLOCK | AUX_WUC_SMPH_CLOCK
};
aux_ctrl_register_consumer(&osc);
/* Set all clock sources to the HF RC Osc */
ti_lib_osc_clock_source_set(OSC_SRC_CLK_MF | OSC_SRC_CLK_HF, OSC_RCOSC_HF);
@ -162,8 +148,8 @@ oscillators_switch_to_hf_rc(void)
ti_lib_osc_hf_source_switch();
}
/* Restore the SMPH clock and disable the OSC interface */
osc_interface_dis(smph_clk_state);
/* Release the OSC AUX consumer */
aux_ctrl_unregister_consumer(&osc);
}
/*---------------------------------------------------------------------------*/
/** @} */

33
cpu/cc26xx-cc13xx/lpm.c
View File

@ -46,6 +46,7 @@
#include "lpm.h"
#include "sys/energest.h"
#include "lib/list.h"
#include "dev/aux-ctrl.h"
#include "dev/leds.h"
#include "dev/watchdog.h"
#include "dev/soc-rtc.h"
@ -53,6 +54,7 @@
#include <stdint.h>
#include <string.h>
#include <stdbool.h>
/*---------------------------------------------------------------------------*/
#if ENERGEST_CONF_ON
static unsigned long irq_energest = 0;
@ -90,8 +92,8 @@ lpm_shutdown(uint32_t wakeup_pin, uint32_t io_pull, uint32_t wake_on)
{
lpm_registered_module_t *module;
int i;
uint32_t io_cfg = (IOC_STD_INPUT & ~IOC_IOPULL_M) | io_pull |
wake_on;
uint32_t io_cfg = (IOC_STD_INPUT & ~IOC_IOPULL_M) | io_pull | wake_on;
aux_consumer_module_t aux = { .clocks = AUX_WUC_OSCCTRL_CLOCK };
/* This procedure may not be interrupted */
ti_lib_int_master_disable();
@ -135,16 +137,16 @@ lpm_shutdown(uint32_t wakeup_pin, uint32_t io_pull, uint32_t wake_on)
ti_lib_prcm_power_domain_off(PRCM_DOMAIN_RFCORE | PRCM_DOMAIN_SERIAL |
PRCM_DOMAIN_PERIPH);
/* Register an aux-ctrl consumer to avoid powercycling AUX twice in a row */
aux_ctrl_register_consumer(&aux);
oscillators_switch_to_hf_rc();
oscillators_select_lf_rcosc();
/* Configure clock sources for MCU and AUX: No clock */
/* Configure clock sources for MCU: No clock */
ti_lib_aon_wuc_mcu_power_down_config(AONWUC_NO_CLOCK);
ti_lib_aon_wuc_aux_power_down_config(AONWUC_NO_CLOCK);
/* Disable SRAM and AUX retentions */
/* Disable SRAM retention */
ti_lib_aon_wuc_mcu_sram_config(0);
ti_lib_aon_wuc_aux_sram_config(false);
/*
* Request CPU, SYSBYS and VIMS PD off.
@ -157,9 +159,8 @@ lpm_shutdown(uint32_t wakeup_pin, uint32_t io_pull, uint32_t wake_on)
ti_lib_aon_wuc_jtag_power_off();
/* Turn off AUX */
ti_lib_aux_wuc_power_ctrl(AUX_WUC_POWER_OFF);
aux_ctrl_power_down(true);
ti_lib_aon_wuc_domain_power_down_enable();
while(ti_lib_aon_wuc_power_status_get() & AONWUC_AUX_POWER_ON);
/*
* Request MCU VD power off.
@ -222,6 +223,9 @@ wake_up(void)
/* Check operating conditions, optimally choose DCDC versus GLDO */
ti_lib_sys_ctrl_dcdc_voltage_conditional_control();
/* Fire up AUX is the user has requested this */
aux_ctrl_power_up();
/*
* We may or may not have been woken up by an AON RTC tick. If not, we need
* to adjust our software tick counter
@ -306,17 +310,16 @@ deep_sleep(void)
*/
oscillators_switch_to_hf_rc();
/* Configure clock sources for MCU and AUX: No clock */
/* Shut Down the AUX if the user application is not using it */
aux_ctrl_power_down(false);
/* Configure clock sources for MCU: No clock */
ti_lib_aon_wuc_mcu_power_down_config(AONWUC_NO_CLOCK);
ti_lib_aon_wuc_aux_power_down_config(AONWUC_NO_CLOCK);
/* Full RAM retention. */
ti_lib_aon_wuc_mcu_sram_config(MCU_RAM0_RETENTION | MCU_RAM1_RETENTION |
MCU_RAM2_RETENTION | MCU_RAM3_RETENTION);
/* Disable retention of AUX RAM */
ti_lib_aon_wuc_aux_sram_config(false);
/*
* Always turn off RFCORE, CPU, SYSBUS and VIMS. RFCORE should be off
* already
@ -327,10 +330,8 @@ deep_sleep(void)
/* Request JTAG domain power off */
ti_lib_aon_wuc_jtag_power_off();
/* Turn off AUX */
ti_lib_aux_wuc_power_ctrl(AUX_WUC_POWER_OFF);
/* Allow MCU and AUX powerdown */
ti_lib_aon_wuc_domain_power_down_enable();
while(ti_lib_aon_wuc_power_status_get() & AONWUC_AUX_POWER_ON);
/* Configure the recharge controller */
ti_lib_sys_ctrl_set_recharge_before_power_down(XOSC_IN_HIGH_POWER_MODE);

20
cpu/cc26xx-cc13xx/ti-lib.h
View File

@ -139,6 +139,26 @@
#define ti_lib_aon_wuc_osc_config(...) AONWUCOscConfig(__VA_ARGS__)
#define ti_lib_aon_wuc_jtag_power_off(...) AONWUCJtagPowerOff(__VA_ARGS__)
/*---------------------------------------------------------------------------*/
/* aux_adc.h */
#include "driverlib/aux_adc.h"
#define ti_lib_aux_adc_disable(...) AUXADCDisable(__VA_ARGS__)
#define ti_lib_aux_adc_enable_async(...) AUXADCEnableAsync(__VA_ARGS__)
#define ti_lib_aux_adc_enable_sync(...) AUXADCEnableSync(__VA_ARGS__)
#define ti_lib_aux_adc_disable_input_scaling(...) AUXADCDisableInputScaling(__VA_ARGS__)
#define ti_lib_aux_adc_flush_fifo(...) AUXADCFlushFifo(__VA_ARGS__)
#define ti_lib_aux_adc_gen_manual_trigger(...) AUXADCGenManualTrigger(__VA_ARGS__)
#define ti_lib_aux_adc_get_fifo_status(...) AUXADCGetFifoStatus(__VA_ARGS__)
#define ti_lib_aux_adc_read_fifo(...) AUXADCReadFifo(__VA_ARGS__)
#define ti_lib_aux_adc_pop_fifo(...) AUXADCPopFifo(__VA_ARGS__)
#define ti_lib_aux_adc_select_input(...) AUXADCSelectInput(__VA_ARGS__)
#define ti_lib_aux_adc_get_adjustment_gain(...) AUXADCGetAdjustmentGain(__VA_ARGS__)
#define ti_lib_aux_adc_get_adjustment_offset(...) AUXADCGetAdjustmentOffset(__VA_ARGS__)
#define ti_lib_aux_adc_value_to_microvolts(...) AUXADCValueToMicrovolts(__VA_ARGS__)
#define ti_lib_aux_adc_microvolts_to_value(...) AUXADCMicrovoltsToValue(__VA_ARGS__)
#define ti_lib_aux_adc_adjust_value_for_gain_and_offset(...) AUXADCAdjustValueForGainAndOffset(__VA_ARGS__)
#define ti_lib_aux_adc_unadjust_value_for_gain_and_offset(...) AUXADCUnadjustValueForGainAndOffset(__VA_ARGS__)
/*---------------------------------------------------------------------------*/
/* aux_wuc.h */
#include "driverlib/aux_wuc.h"

9
examples/cc26xx/cc26xx-demo.c
View File

@ -337,6 +337,15 @@ get_sync_sensor_readings(void)
value = batmon_sensor.value(BATMON_SENSOR_TYPE_VOLT);
printf("Bat: Volt=%d mV\n", (value * 125) >> 5);
#if BOARD_SMARTRF06EB
SENSORS_ACTIVATE(als_sensor);
value = als_sensor.value(0);
printf("ALS: %d raw\n", value);
SENSORS_DEACTIVATE(als_sensor);
#endif
return;
}
/*---------------------------------------------------------------------------*/

1
platform/srf06-cc26xx/srf06/Makefile.srf06
View File

@ -3,6 +3,7 @@ CFLAGS += -DBOARD_SMARTRF06EB=1
CONTIKI_TARGET_DIRS += srf06
BOARD_SOURCEFILES += leds-arch.c srf06-sensors.c button-sensor.c board.c
BOARD_SOURCEFILES += als-sensor.c
### Signal that we can be programmed with cc2538-bsl
BOARD_SUPPORTS_BSL=1

105
platform/srf06-cc26xx/srf06/als-sensor.c Normal file
View File

@ -0,0 +1,105 @@
/*
* Copyright (c) 2016, University of Bristol - http://www.bris.ac.uk/
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*---------------------------------------------------------------------------*/
/**
* \addtogroup srf06-common-peripherals
* @{
*
* \file
* Driver for the SmartRF06EB ALS when a CC13xx/CC26xxEM is mounted on it
*/
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "lib/sensors.h"
#include "srf06/als-sensor.h"
#include "sys/timer.h"
#include "dev/adc-sensor.h"
#include "dev/aux-ctrl.h"
#include "ti-lib.h"
#include <stdint.h>
/*---------------------------------------------------------------------------*/
static aux_consumer_module_t als_aux = {
.clocks = AUX_WUC_ADI_CLOCK | AUX_WUC_ANAIF_CLOCK | AUX_WUC_SMPH_CLOCK
};
/*---------------------------------------------------------------------------*/
static int
config(int type, int enable)
{
switch(type) {
case SENSORS_HW_INIT:
ti_lib_ioc_pin_type_gpio_output(BOARD_IOID_ALS_PWR);
break;
case SENSORS_ACTIVE:
ti_lib_ioc_pin_type_gpio_output(BOARD_IOID_ALS_PWR);
ti_lib_ioc_port_configure_set(BOARD_IOID_ALS_OUT, IOC_PORT_GPIO,
IOC_STD_OUTPUT);
ti_lib_gpio_dir_mode_set(BOARD_ALS_OUT, GPIO_DIR_MODE_IN);
if(enable) {
ti_lib_gpio_pin_write(BOARD_ALS_PWR, 1);
aux_ctrl_register_consumer(&als_aux);
ti_lib_aux_adc_select_input(ADC_COMPB_IN_AUXIO7);
clock_delay_usec(2000);
} else {
ti_lib_gpio_pin_write(BOARD_ALS_PWR, 0);
aux_ctrl_unregister_consumer(&als_aux);
}
break;
default:
break;
}
return 1;
}
/*---------------------------------------------------------------------------*/
static int
value(int type)
{
int val;
ti_lib_aux_adc_enable_sync(AUXADC_REF_VDDS_REL, AUXADC_SAMPLE_TIME_2P7_US,
AUXADC_TRIGGER_MANUAL);
ti_lib_aux_adc_gen_manual_trigger();
val = ti_lib_aux_adc_read_fifo();
ti_lib_aux_adc_disable();
return val;
}
/*---------------------------------------------------------------------------*/
static int
status(int type)
{
return 1;
}
/*---------------------------------------------------------------------------*/
SENSORS_SENSOR(als_sensor, ALS_SENSOR, value, config, status);
/*---------------------------------------------------------------------------*/
/** @} */

50
platform/srf06-cc26xx/srf06/als-sensor.h Normal file
View File

@ -0,0 +1,50 @@
/*
* Copyright (c) 2016, University of Bristol - http://www.bris.ac.uk/
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*---------------------------------------------------------------------------*/
/**
* \addtogroup srf06-common-peripherals
* @{
*
* \file
* Header file for the SmartRF06EB + CC13xx/CC26xxEM ALS Driver
*/
/*---------------------------------------------------------------------------*/
#ifndef ALS_SENSOR_H_
#define ALS_SENSOR_H_
/*---------------------------------------------------------------------------*/
#include "lib/sensors.h"
/*---------------------------------------------------------------------------*/
#define ALS_SENSOR "ALS"
/*---------------------------------------------------------------------------*/
extern const struct sensors_sensor als_sensor;
/*---------------------------------------------------------------------------*/
#endif /* ALS_SENSOR_H_ */
/*---------------------------------------------------------------------------*/
/** @} */

2
platform/srf06-cc26xx/srf06/board-peripherals.h
View File

@ -45,7 +45,7 @@
#ifndef BOARD_PERIPHERALS_H_
#define BOARD_PERIPHERALS_H_
/*---------------------------------------------------------------------------*/
/* ToDo: Include things here */
#include "als-sensor.h"
/*---------------------------------------------------------------------------*/
#endif /* BOARD_PERIPHERALS_H_ */
/*---------------------------------------------------------------------------*/

18
platform/srf06-cc26xx/srf06/board.c
View File

@ -46,6 +46,16 @@
#include <string.h>
/*---------------------------------------------------------------------------*/
static void
lpm_handler(uint8_t mode)
{
/* Ambient light sensor (off, output low) */
ti_lib_ioc_pin_type_gpio_output(BOARD_IOID_ALS_PWR);
ti_lib_gpio_pin_write(BOARD_ALS_PWR, 0);
ti_lib_ioc_pin_type_gpio_input(BOARD_IOID_ALS_OUT);
ti_lib_ioc_io_port_pull_set(BOARD_IOID_ALS_OUT, IOC_NO_IOPULL);
}
/*---------------------------------------------------------------------------*/
static void
wakeup_handler(void)
{
/* Turn on the PERIPH PD */
@ -60,7 +70,7 @@ wakeup_handler(void)
* getting notified before deep sleep. All we need is to be notified when we
* wake up so we can turn power domains back on
*/
LPM_MODULE(srf_module, NULL, NULL, wakeup_handler, LPM_DOMAIN_NONE);
LPM_MODULE(srf_module, NULL, lpm_handler, wakeup_handler, LPM_DOMAIN_NONE);
/*---------------------------------------------------------------------------*/
static void
configure_unused_pins(void)
@ -72,12 +82,6 @@ configure_unused_pins(void)
/* Accelerometer (PWR output low, CSn output, high) */
ti_lib_ioc_pin_type_gpio_output(BOARD_IOID_ACC_PWR);
ti_lib_gpio_pin_write(BOARD_ACC_PWR, 0);
/* Ambient light sensor (off, output low) */
ti_lib_ioc_pin_type_gpio_output(BOARD_IOID_ALS_PWR);
ti_lib_gpio_pin_write(BOARD_ALS_PWR, 0);
ti_lib_ioc_pin_type_gpio_input(BOARD_IOID_ALS_OUT);
ti_lib_ioc_io_port_pull_set(BOARD_IOID_ALS_OUT, IOC_NO_IOPULL);
}
/*---------------------------------------------------------------------------*/
void

3
platform/srf06-cc26xx/srf06/srf06-sensors.c
View File

@ -39,11 +39,12 @@
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "srf06/button-sensor.h"
#include "srf06/als-sensor.h"
#include <string.h>
/*---------------------------------------------------------------------------*/
/** \brief Exports a global symbol to be used by the sensor API */
SENSORS(&button_select_sensor, &button_left_sensor, &button_right_sensor,
&button_up_sensor, &button_down_sensor);
&button_up_sensor, &button_down_sensor, &als_sensor);
/*---------------------------------------------------------------------------*/
/** @} */