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Change LPM to power up/down AUX through the AUX controller

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This commit is contained in:
George Oikonomou 2016-04-20 16:19:54 +01:00 committed by George Oikonomou
parent 812f1ada31
commit 6b40b1b965
1 changed files with 17 additions and 16 deletions
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33
cpu/cc26xx-cc13xx/lpm.c
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@ -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);