Aleksandrs Gumenuks
Example how to use DS28EC20 EEPROM with MaximInterface over GPIO
Dependencies: MaximInterface_Extended
Revision 1:62acf2e0179a, committed 2020-01-06
- Comitter:
- reARMnimator
- Date:
- Mon Jan 06 15:55:11 2020 +0000
- Parent:
- 0:476a6e04dc69
- Commit message:
- Fixed some build issues.
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MaximInterface.lib Mon Jan 06 15:55:11 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/reARMnimator/code/MaximInterface_Extended/#de4b8812877d
--- a/MaximInterface_Extended.lib Thu Jan 02 11:56:51 2020 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -https://os.mbed.com/users/reARMnimator/code/MaximInterface_Extended/#aeda90624ad0
--- a/main.cpp Thu Jan 02 11:56:51 2020 +0000
+++ b/main.cpp Mon Jan 06 15:55:11 2020 +0000
@@ -4,69 +4,101 @@
#include "MaximInterface/Devices/DS28EC20.hpp"
DigitalOut myled(LED1);
-#define CONFIG_OW_PIN_NAME P1_1
+#define CONFIG_OW_PIN_NAME PinName::PA_1
+
+class Sleep : public MaximInterface::Sleep
+{
+public:
+ virtual void invoke (int ms) const
+ {
+ uint32_t ticks = (ms * 1000u) / osKernelGetTickFreq();
+ osDelay(ticks);
+ return;
+ }
-class SelectOverdriveSkipRom {
- public:
- typedef MaximInterface::SelectRom::argument_type argument_type;
- typedef MaximInterface::SelectRom::result_type result_type;
+ virtual ~Sleep(void)
+ {
+ return;
+ };
+};
- explicit SelectOverdriveSkipRom(MaximInterface::RomId::const_span romId) { setRomId(romId); }
+static Sleep sleepObj;
- MaximInterface::RomId::const_span romId() const { return romId_; }
+class SelectOverdriveSkipRom
+{
+public:
+ typedef MaximInterface::SelectRom::argument_type argument_type;
+ typedef MaximInterface::SelectRom::result_type result_type;
- void setRomId(MaximInterface::RomId::const_span romId) { MaximInterface::copy(romId, MaximInterface::make_span(romId_)); }
+ explicit SelectOverdriveSkipRom(MaximInterface::RomId::const_span romId)
+ {
+ setRomId(romId);
+ }
+
+ MaximInterface::RomId::const_span romId() const
+ {
+ return romId_;
+ }
- MaximInterface_EXPORT MaximInterface::error_code operator()(MaximInterface::OneWireMaster & master) const
- {
+ void setRomId(MaximInterface::RomId::const_span romId)
+ {
+ MaximInterface::copy(romId, MaximInterface::make_span(romId_));
+ }
+
+ MaximInterface_EXPORT MaximInterface::error_code operator()(MaximInterface::OneWireMaster & master) const
+ {
#if 0
- return MaximInterface::skipRom(master);
+ return MaximInterface::skipRom(master);
#else
- return MaximInterface::overdriveSkipRom(master);
+ return MaximInterface::overdriveSkipRom(master);
#endif
- }
+ }
- private:
- MaximInterface::RomId::array romId_;
+private:
+ MaximInterface::RomId::array romId_;
};
-int main() {
- MaximInterface::GpioOneWireMaster *p_GPIO_OW_Master = new (std::nothrow) MaximInterface::GpioOneWireMaster(CONFIG_OW_PIN_NAME);
+int main()
+{
+ MaximInterface::GpioOneWireMaster *p_GPIO_OW_Master = new (std::nothrow) MaximInterface::GpioOneWireMaster(CONFIG_OW_PIN_NAME);
MaximInterface::OneWireMaster &OW_Master(*p_GPIO_OW_Master);
- MaximInterface::error_code err = OW_Master.initialize();
-
+ MaximInterface::error_code err = p_GPIO_OW_Master->initialize();
+
MaximInterface::SearchRomState State;
/* ... Fallback to standard speed after ID-chip has been powered off */
OW_Master.setSpeed(MaximInterface::OneWireMaster::StandardSpeed);
- error = MaximInterface::searchRom(OW_Master, State);
+ err = MaximInterface::searchRom(OW_Master, State);
- if (!error) {
+ if (!err) {
if (familyCode(State.romId) == MaximInterface::DS28EC20::familyCode) {
/* ... wait for 50 ms */
uint32_t Ticks = (50u * 1000u) / osKernelGetTickFreq();
osDelay(Ticks);
- this->m_SelectRom.setRomId(State.romId);
+ SelectOverdriveSkipRom RomSelectorObject(State.romId);
- MaximInterface::DS28EC20 *p_EEPROM = new (std::nothrow) MaximInterface::DS28EC20(OneWire_IDChip::m_SleepObj, OW_Master, MaximInterface::SelectRom(this->m_SelectRom), this->m_SelectRom.romId());
+ MaximInterface::DS28EC20 *p_EEPROM = new (std::nothrow) MaximInterface::DS28EC20(sleepObj, OW_Master, MaximInterface::SelectRom(RomSelectorObject), RomSelectorObject.romId());
if (NULL != p_EEPROM) {
- this->m_Size = MaximInterface::DS28EC20::memoryPages * MaximInterface::DS28EC20::pageSizeBytes;
+ size_t Size = MaximInterface::DS28EC20::memoryPages * MaximInterface::DS28EC20::pageSizeBytes;
+ MaximInterface::DS28EC20::Address Addr = static_cast<MaximInterface::DS28EC20::Address>(0);
+ size_t ActualLength = 32u;
+ uint8_t Buffer[32u] = {0};
+ err = p_EEPROM->readMemoryExt(Addr, &Buffer[0], ActualLength);
+ err = MaximInterface::writeMemory(*p_EEPROM, Addr, &Buffer[0], ActualLength);
}
}
}
- err = this->mp_EEPROM->readMemoryExt(Addr, &Buffer[0], ActualLength);
- err = MaximInterface::writeMemory(*(this->mp_EEPROM), Addr, &Buffer[0], ActualLength);
while(1) {
myled = 1;
- wait(0.2);
+ wait_us(2000);
myled = 0;
- wait(0.2);
+ wait_us(2000);
}
}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Mon Jan 06 15:55:11 2020 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#bacf37894945a5c9b7619b709eeabeeb68d25d9c
--- a/mbed.bld Thu Jan 02 11:56:51 2020 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file