ulp tests

This commit is contained in:
Empire 2021-12-04 16:04:18 +00:00
parent f131d9f39a
commit 80828eadd7
2 changed files with 78 additions and 326 deletions

View File

@ -1,286 +0,0 @@
/*
* DS2438.cpp
*
* by Joe Bechter
*
* (C) 2012, bechter.com
*
* All files, software, schematics and designs are provided as-is with no warranty.
* All files, software, schematics and designs are for experimental/hobby use.
* Under no circumstances should any part be used for critical systems where safety,
* life or property depends upon it. You are responsible for all use.
* You are free to use, modify, derive or otherwise extend for your own non-commercial purposes provided
* 1. No part of this software or design may be used to cause injury or death to humans or animals.
* 2. Use is non-commercial.
* 3. Credit is given to the author (i.e. portions © bechter.com), and provide a link to the original source.
*
*/
#include "DS2438.h"
// DSROM FIELDS
#define DSROM_FAMILY 0
#define DSROM_CRC 7
#define DS2438MODEL 0x26
DS2438::DS2438(OneWire *ow, float currentShunt = 1.0f) {
_ow = ow;
_currentShunt = currentShunt;
};
void DS2438::begin(){
DeviceAddress searchDeviceAddress;
_ow->reset_search();
memset(searchDeviceAddress,0, 8);
_temperature = 0;
_voltageA = 0.0;
_voltageB = 0.0;
_error = true;
_mode = (DS2438_MODE_CHA | DS2438_MODE_CHB | DS2438_MODE_TEMPERATURE);
deviceFound = false; // Reset the number of devices when we enumerate wire devices
while (_ow->search(searchDeviceAddress)) {
if (validAddress(searchDeviceAddress)) {
if (validFamily(searchDeviceAddress)) {
memcpy(_address,searchDeviceAddress,8);
DEFAULT_PAGE0(defaultConfig);
writePage(0, defaultConfig);
deviceFound = true;
}
}
}
}
bool DS2438::isFound(){
return deviceFound;
}
bool DS2438::validAddress(const uint8_t* deviceAddress) {
return (_ow->crc8(deviceAddress, 7) == deviceAddress[DSROM_CRC]);
}
bool DS2438::validFamily(const uint8_t* deviceAddress) {
switch (deviceAddress[DSROM_FAMILY]) {
case DS2438MODEL:
return true;
default:
return false;
}
}
void DS2438::update() {
uint8_t data[9];
_error = true;
if(!isFound()){
return;
}
if (_mode & DS2438_MODE_CHA || _mode == DS2438_MODE_TEMPERATURE) {
boolean doTemperature = _mode & DS2438_MODE_TEMPERATURE;
if (!startConversion(DS2438_CHA, doTemperature)) {
Serial.println("Error starting temp conversion ds2438 channel a");
return;
}
if (!readPage(0, data)){
Serial.println("Error reading zero page ds2438 channel a");
return;
}
Serial.print(data[0],16);
Serial.print(" ");
Serial.print(data[1],16);
Serial.print(" ");
Serial.print(data[2],16);
Serial.print(" ");
Serial.print(data[3],16);
Serial.print(" ");
Serial.print(data[4],16);
Serial.print(" ");
Serial.print(data[5],16);
Serial.print(" ");
Serial.print(data[6],16);
Serial.print(" ");
Serial.println(data[7],16);
if (doTemperature) {
_temperature = (double)(((((int16_t)data[2]) << 8) | (data[1] & 0x0ff)) >> 3) * 0.03125;
}
if (_mode & DS2438_MODE_CHA) {
_voltageA = (((data[4] << 8) & 0x00300) | (data[3] & 0x0ff)) / 100.0;
}
}
if (_mode & DS2438_MODE_CHB) {
boolean doTemperature = _mode & DS2438_MODE_TEMPERATURE && !(_mode & DS2438_MODE_CHA);
if (!startConversion(DS2438_CHB, doTemperature)) {
Serial.println("Error starting temp conversion channel b ds2438");
return;
}
if (!readPage(0, data)){
Serial.println("Error reading zero page ds2438 channel b");
return;
}
if (doTemperature) {
int16_t upperByte = ((int16_t)data[2]) << 8;
int16_t lowerByte = data[1] >> 3;
int16_t fullByte = (upperByte | lowerByte);
_temperature = ((double)fullByte) * 0.03125;
}
_voltageB = (((data[4] << 8) & 0x00300) | (data[3] & 0x0ff)) / 100.0;
}
int16_t upperByte = ((int16_t)data[6]) << 8;
int16_t lowerByte = data[5];
int16_t fullByte = (int16_t)(upperByte | lowerByte);
float fullByteb = fullByte;
_current = (fullByteb) / ((4096.0f * _currentShunt));
_error = false;
Serial.print(data[0],16);
Serial.print(" ");
Serial.print(data[1],16);
Serial.print(" ");
Serial.print(data[2],16);
Serial.print(" ");
Serial.print(data[3],16);
Serial.print(" ");
Serial.print(data[4],16);
Serial.print(" ");
Serial.print(data[5],16);
Serial.print(" ");
Serial.print(data[6],16);
Serial.print(" ");
Serial.println(data[7],16);
Serial.println("-");
uint16_t ICA = 0;
if (readPage(1, data)){
PageOne_t *pOne = (PageOne_t *) data;
Serial.println(pOne->ICA);
float Ah = pOne->ICA / (2048.0f * _currentShunt);
Serial.print("Ah=");
Serial.println(Ah);
ICA = pOne->ICA;
}
if (readPage(7, data)){
PageSeven_t *pSeven = (PageSeven_t *) data;
int16_t CCA = pSeven->CCA0 | ((int16_t) pSeven->CCA1) << 8;
int16_t DCA = pSeven->DCA0 | ((int16_t) pSeven->DCA1) << 8;
Serial.println("ICA, DCA, CCA");
Serial.print(ICA);
Serial.print(", ");
Serial.print(DCA);
Serial.print(", ");
Serial.println(CCA);
}
}
double DS2438::getTemperature() {
return _temperature;
}
float DS2438::getVoltage(int channel) {
if (channel == DS2438_CHA) {
return _voltageA;
} else if (channel == DS2438_CHB) {
return _voltageB;
} else {
return 0.0;
}
}
float DS2438::getCurrent() {
return _current;
}
boolean DS2438::isError() {
return _error;
}
boolean DS2438::startConversion(int channel, boolean doTemperature) {
if(!isFound()){
return false;
}
if (!selectChannel(channel)){
return false;
}
_ow->reset();
_ow->select(_address);
if (doTemperature) {
_ow->write(DS2438_TEMPERATURE_CONVERSION_COMMAND, 0);
delay(DS2438_TEMPERATURE_DELAY);
_ow->reset();
_ow->select(_address);
}
_ow->write(DS2438_VOLTAGE_CONVERSION_COMMAND, 0);
delay(DS2438_VOLTAGE_CONVERSION_DELAY);
return true;
}
boolean DS2438::selectChannel(int channel) {
if(!isFound()){
return false;
}
uint8_t data[9];
if (readPage(0, data)) {
if (channel == DS2438_CHB){
data[0] = data[0] | 0x08;
}
else {
data[0] = data[0] & 0xf7;
}
writePage(0, data);
return true;
}
Serial.println("Could not read page zero data");
return false;
}
void DS2438::writePage(int page, uint8_t *data) {
_ow->reset();
_ow->select(_address);
_ow->write(DS2438_WRITE_SCRATCHPAD_COMMAND, 0);
if ((page >= PAGE_MIN) && (page <= PAGE_MAX)) {
_ow->write(page, 0);
} else {
return;
}
for (int i = 0; i < 8; i++){
_ow->write(data[i], 0);
}
_ow->reset();
_ow->select(_address);
_ow->write(DS2438_COPY_SCRATCHPAD_COMMAND, 0);
_ow->write(page, 0);
}
boolean DS2438::readPage(int page, uint8_t *data) {
//TODO if all data is 0 0 is a valid crc, but most likly not as intended
_ow->reset();
_ow->select(_address);
_ow->write(DS2438_RECALL_MEMORY_COMMAND, 0);
if ((page >= PAGE_MIN) && (page <= PAGE_MAX)) {
_ow->write(page, 0);
} else {
return false;
}
_ow->reset();
_ow->select(_address);
_ow->write(DS2438_READ_SCRATCHPAD_COMMAND, 0);
_ow->write(page, 0);
for (int i = 0; i < 9; i++){
data[i] = _ow->read();
}
return _ow->crc8(data, 8) == data[8];
}

View File

@ -1,52 +1,90 @@
#include <Arduino.h> #include <Arduino.h>
#include "driver/pcnt.h" #include "driver/pcnt.h"
#include "driver/rtc_io.h"
#include "esp32/ulp.h"
#include "soc/rtc_cntl_reg.h"
#include "soc/rtc.h"
#define OUTPUT_SENSOR 14 /**< GPIO 16 - Enable Sensors */ #define ULP_DATA_OFFSET 200
#define SENSOR_PLANT5 39 /**< SENSOR vn */
#define SENSOR_PLANT6 36 /**< SENSOR VP */
int16_t pulses = 0; #define ULP_START_OFFSET 0
int16_t pulses2 = 0; void ulp_start(void) {
// Slow memory initialization
//memset(RTC_SLOW_MEM, ULP_START_OFFSET, (8192-ULP_START_OFFSET));
// GPIO32 initialization (set to output and initial value is 0)
rtc_gpio_init(GPIO_NUM_12);
rtc_gpio_set_direction(GPIO_NUM_12, RTC_GPIO_MODE_OUTPUT_ONLY);
rtc_gpio_set_level(GPIO_NUM_12, 0);
// Define ULP program
const ulp_insn_t ulp_prog[] = {
M_LABEL(1),
I_MOVI(R2, 0),
I_MOVI(R3, 0),
I_LD(R2, R2, ULP_DATA_OFFSET),
I_LD(R3, R3, ULP_DATA_OFFSET+1),
I_WR_REG(RTC_GPIO_OUT_REG, 29, 29, 1), // on
//wait for 100*r2
I_MOVR(R0,R2),
M_LABEL(2),
I_DELAY(1),
I_SUBI(R0,R0,1),
M_BGE(2,1),
I_WR_REG(RTC_GPIO_OUT_REG, 29, 29, 0), // off
//wait for 100*R3
I_MOVR(R0,R3),
M_LABEL(3),
I_DELAY(1),
I_SUBI(R0,R0,1),
M_BGE(3,1),
M_BX(1),
};
// Run ULP program
size_t size = sizeof(ulp_prog) / sizeof(ulp_insn_t);
ulp_process_macros_and_load(ULP_START_OFFSET, ulp_prog, &size);
assert(size < ULP_DATA_OFFSET && "ULP_DATA_OFFSET needs to be greater or equal to the program size");
ulp_run(ULP_START_OFFSET);
}
static inline void ulp_data_write(size_t offset, uint16_t value)
{
RTC_SLOW_MEM[ULP_DATA_OFFSET + offset] = value;
}
static inline uint16_t ulp_data_read(size_t offset)
{
return RTC_SLOW_MEM[ULP_DATA_OFFSET + offset] & 0xffff;
}
void setup() { void setup() {
Serial.begin(115200); Serial.begin(115200);
pinMode(OUTPUT_SENSOR, OUTPUT); ulp_data_write(0,1000);
pinMode(SENSOR_PLANT5, INPUT); ulp_data_write(1,1000);
ulp_start();
esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON);
pcnt_config_t pcnt_config = { }; // Instancia PCNT config //esp_deep_sleep_start();
pcnt_config.pulse_gpio_num = SENSOR_PLANT5; // Configura GPIO para entrada dos pulsos
pcnt_config.ctrl_gpio_num = PCNT_PIN_NOT_USED; // Configura GPIO para controle da contagem
pcnt_config.unit = PCNT_UNIT_0; // Unidade de contagem PCNT - 0
pcnt_config.channel = PCNT_CHANNEL_0; // Canal de contagem PCNT - 0
pcnt_config.counter_h_lim = INT16_MAX; // Limite maximo de contagem - 20000
pcnt_config.pos_mode = PCNT_COUNT_INC; // Incrementa contagem na subida do pulso
pcnt_config.neg_mode = PCNT_COUNT_DIS; // Incrementa contagem na descida do pulso
pcnt_config.lctrl_mode = PCNT_MODE_KEEP; // PCNT - modo lctrl desabilitado
pcnt_config.hctrl_mode = PCNT_MODE_KEEP; // PCNT - modo hctrl - se HIGH conta incrementando
pcnt_unit_config(&pcnt_config); // Configura o contador PCNT
pcnt_counter_pause(PCNT_UNIT_0); // Pausa o contador PCNT
pcnt_counter_clear(PCNT_UNIT_0); // Zera o contador PCNT
digitalWrite(OUTPUT_SENSOR, HIGH);
Serial.println("Start done");
} }
void loop() { void loop() {
pulses2 = pulseIn(SENSOR_PLANT5,HIGH); delay(1000);
pcnt_counter_resume(PCNT_UNIT_0); Serial.println(ulp_data_read(0));
ulp_data_write(0, 50);
delay(500); ulp_data_write(1, 150);
//test = 10;
pcnt_counter_pause(PCNT_UNIT_0); //test2 = 255-test;
pcnt_get_counter_value(PCNT_UNIT_0, &pulses); delay(1000);
pcnt_counter_clear(PCNT_UNIT_0); //test = 50;
//test2 = 255 - test;
Serial.println(pulses2*2); ulp_data_write(0, 150);
Serial.println(pulses*2); ulp_data_write(1, 50);
//Serial.print();
Serial.println("loop");
} }