wn/ModbusThermometer
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partly works

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This commit is contained in:
hg
2014-11-05 08:19:27 +01:00
parent c138ad2e3c
commit c250106f08
2 changed files with 8 additions and 7 deletions
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8
ModbusThermometer.cpp
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@ -13,16 +13,16 @@ void setup() {
Serial.begin(9600); Serial.begin(9600);
delay(1000); delay(1000);
pinMode(13, OUTPUT); pinMode(8, OUTPUT);
ads1210.begin(9, 8); ads1210.begin(9, 7);
} }
void loop() { void loop() {
digitalWrite(13, HIGH); // turn the LED on (HIGH is the voltage level) digitalWrite(8, HIGH); // turn the LED on (HIGH is the voltage level)
delay(1000); // wait for a second delay(1000); // wait for a second
digitalWrite(13, LOW); // turn the LED off by making the voltage LOW digitalWrite(8, LOW); // turn the LED off by making the voltage LOW
delay(1000); // wait for a second delay(1000); // wait for a second
uint32_t adcValue = ads1210.get(); uint32_t adcValue = ads1210.get();

7
ads1210.cpp
View File

@ -25,7 +25,8 @@ void ADS1210::disableCS() const {
void ADS1210::waitForDRdy() const { void ADS1210::waitForDRdy() const {
uint32_t timeOut = 100000; uint32_t timeOut = 100000;
while ((0 != digitalRead(m_drdyPin)) && timeOut--) { while ((0 != digitalRead(m_drdyPin)) && timeOut) {
timeOut--;
} }
if (0 == timeOut) { if (0 == timeOut) {
fatal(1); fatal(1);
@ -39,7 +40,7 @@ void ADS1210::waitForDRdyWOTimeout() const {
void ADS1210::writeRegister(const uint8_t regAddr, const uint8_t value) const { void ADS1210::writeRegister(const uint8_t regAddr, const uint8_t value) const {
waitForDRdy(); //waitForDRdy();
enableCS(); enableCS();
SPI.transfer(regAddr); SPI.transfer(regAddr);
SPI.transfer(value); SPI.transfer(value);
@ -50,7 +51,7 @@ void ADS1210::writeRegister(const uint8_t regAddr, const uint8_t value) const {
uint8_t ADS1210::readRegister(const uint8_t regAddr) const { uint8_t ADS1210::readRegister(const uint8_t regAddr) const {
uint8_t res; uint8_t res;
waitForDRdy(); //waitForDRdy();
enableCS(); enableCS();
SPI.transfer(regAddr | INSR_RW); SPI.transfer(regAddr | INSR_RW);
res = SPI.transfer(0); res = SPI.transfer(0);