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i2c_ina219.s
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i2c_ina219.s
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// SPDX-FileCopyrightText: 2020-2021 Ivan Ivanov
// SPDX-License-Identifier: GPL-3.0-or-later
#include "soc/rtc_cntl_reg.h"
#include "soc/rtc_io_reg.h"
#include "soc/soc_ulp.h"
#include "i2c_ina219.h"
#include "stack.s"
.bss
.global ina219_error
ina219_error:
.long 0
.global ina219_sleepstatus
ina219_sleepstatus:
.long 0
.global ina219_config
ina219_config:
.long 0
.global ina219_aggr_current
ina219_aggr_current:
.long 0
.global ina219_current
ina219_current:
.long 0
.global ina219_voltage
ina219_voltage:
.long 0
.global ina219_calValue
ina219_calValue:
.long 0
.global ina219_currentDivider_mA
ina219_currentDivider_mA:
.long 0
.global ina219_current_table
ina219_current_table:
.long 0
// .skip 240, 0
// 60 * 4(bites)
.global ina219_current_pointer
ina219_current_pointer:
.long 0
.text
.global ina219_readdata
ina219_readdata:
move r0, ina219_error // test for init error SENSOR_STATUS_HW_ERROR
ld r0, r0, 0x00
jumpr ina219_sensor_found, SENSOR_STATUS_HW_ERROR, lt
jumpr ina219_sensor_found, SENSOR_STATUS_HW_ERROR, gt
ret
ina219_sensor_found:
#ifdef MAIN_CORE_INIT_SENSORS
psr
jump powerUp // wake up on init state
#else
psr
jump Start_INA219 // wake up on init state
#endif
psr
jump getBusVoltage_raw
psr
jump getCurrent_raw
psr
jump ina219_powerDown
/*
move r2, ina219_current_pointer
ld r0, r2, 0
jumpr plus_pointer, 59, lt
move r0, 0x0
jump pointer_magic
plus_pointer:
add r0, r0, 1
pointer_magic:
move r2, ina219_current_pointer
st r0, r2, 0
move r2, ina219_current_table
add r1, r2, r0 // move pointer to num from ina219_current_poiter
*/
move r2, ina219_current // Read current
ld r0, r2, 0
// st r0, r1, 0 // Save counter in minute table
move r2, ina219_aggr_current // Read counter
ld r1, r2, 0
add r0, r0, r1 // Increment
st r0, r2, 0 // Save counter in memory
ret
#ifndef MAIN_CORE_INIT_SENSORS
.global Start_INA219
Start_INA219:
// store ina219_error 0
///setCalibration_32V_2A_INA219:
store ina219_calValue 4096
store ina219_currentDivider_mA 10
psr
jump setCalibration
// move r2, 70 // Wait
// psr
// jump waitMs
move r1, INA219_ADDR
push r1
move r1, INA219_REG_CONFIG
push r1
/*
move r1, 0
or r1,r1,INA219_CONFIG_BVOLTAGERANGE_32V
or r1,r1,INA219_CONFIG_GAIN_8_320MV
or r1,r1,INA219_CONFIG_BADCRES_12BIT
or r1,r1,INA219_CONFIG_SADCRES_12BIT_1S_532US
or r1,r1,INA219_CONFIG_MODE_SANDBVOLT_CONTINUOUS
*/
move r1, 0x399F // BVOLTAGERANGE_32V | GAIN_8_320MV | BADCRES_12BIT | SADCRES_12BIT_1S_532US | MODE_SANDBVOLT_CONTINUOUS
// move r0, ina219_config
//st r1, r0, 0x0
// ld r1,ina219_config,0x0
push r1
psr
jump write16
add r3,r3,3 // remove call parameters from stack
move r0,r2 // test for error in r2
jumpr fail_config,1,ge
// psr
//jump read_config
ret
#endif
.global setCalibration
setCalibration:
move r1,INA219_ADDR
push r1
move r1,INA219_REG_CALIBRATION
push r1
move r2, ina219_calValue
ld r1, r2, 0
push r1
psr
jump write16
add r3, r3, 3 // remove call parameters from stack
move r0, r2 // test for error in r2
jumpr fail_config, 1, ge
ret
fail_config:
store ina219_error SENSOR_STATUS_CFG_ERROR
ret
.global ina219_powerDown
ina219_powerDown:
psr
jump read_config
move r1,INA219_ADDR
push r1
move r1,INA219_REG_CONFIG
push r1
move r2,ina219_config
ld r1,r2,0
and r1,r1,INA219_CONFIG_MODE_POWERDOWN_MASK
push r1
psr
jump write16
add r3,r3,3 // remove call parameters from stack
move r0,r2 // test for error in r2
jumpr fail_config,1,ge
ret
.global powerUp
powerUp:
psr
jump read_config
move r1, INA219_ADDR
push r1
move r1, INA219_REG_CONFIG
push r1
move r2, ina219_config
ld r1, r2, 0
or r1, r1, INA219_CONFIG_MODE_SANDBVOLT_CONTINUOUS
push r1
psr
jump write16
add r3, r3, 3 // remove call parameters from stack
move r0, r2 // test for error in r2
jumpr fail_config, 1, ge
// store ina219_error SENSOR_WSTATUS_AWAKE
ret
.global read_config
read_config:
move r1, INA219_ADDR
push r1
move r1, INA219_REG_CONFIG
push r1
psr
jump read16
add r3, r3, 2 // remove call parameters from stack
move r1, r0 // save result
move r0, r2 // test for error
jumpr fail_read, 1, ge
move r2, ina219_config // store result
st r1, r2, 0
ret
.global getBusVoltage_raw
getBusVoltage_raw:
move r1, INA219_ADDR
push r1
move r1, INA219_REG_BUSVOLTAGE
push r1
psr
jump read16
add r3, r3, 2 // remove call parameters from stack
move r1, r0 // save result
move r0, r2 // test for error
jumpr fail_read, 1, ge
rsh r2, r1, 0x03
move r1, ina219_voltage // store result
st r2,r1,0
ret
.global getCurrent_raw
getCurrent_raw:
/*
psr
jump setCalibration
move r2, 70 // Wait
psr
jump waitMs
*/
move r1, INA219_ADDR
push r1
move r1, INA219_REG_CURRENT
push r1
psr
jump read16
add r3, r3, 2 // remove call parameters from stack
move r1, r0 // save result
move r0, r2 // test for error
jumpr fail_read, 1, ge
move r2, ina219_current// store result
st r1,r2,0
ret
.global fail_read
fail_read:
store ina219_error SENSOR_STATUS_READ_ERROR
ret
/*
.global getShuntVoltage_raw
getShuntVoltage_raw:
move r1,INA219_ADDR
push r1
move r1,INA219_REG_SHUNTVOLTAGE
push r1
psr
jump read16
add r3,r3,2 // remove call parameters from stack
move r1,r0 // save result
move r0,r2 // test for error
jumpr fail_rc,1,ge
move r2,ina219_shuntvoltage// store result
st r1,r2,0
ret
*/