Ruakij/Geigercounter
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Added init for timer1 (TCMT1) with cpu-clock/256

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Changed clock() to timer1 (TCNT1)
This commit is contained in:
Railz 2019-03-07 18:25:24 +01:00
parent 850421e3cc
commit 64280423fa
2 changed files with 123 additions and 85 deletions
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17
Geigerzaehler/Geigerzaehler.cproj
View File

@ -20,10 +20,10 @@
<OverrideVtor>false</OverrideVtor> <OverrideVtor>false</OverrideVtor>
<CacheFlash>true</CacheFlash> <CacheFlash>true</CacheFlash>
<ProgFlashFromRam>true</ProgFlashFromRam> <ProgFlashFromRam>true</ProgFlashFromRam>
<RamSnippetAddress /> <RamSnippetAddress>0x20000000</RamSnippetAddress>
<UncachedRange /> <UncachedRange />
<preserveEEPROM>true</preserveEEPROM> <preserveEEPROM>true</preserveEEPROM>
<OverrideVtorValue /> <OverrideVtorValue>exception_table</OverrideVtorValue>
<BootSegment>2</BootSegment> <BootSegment>2</BootSegment>
<ResetRule>0</ResetRule> <ResetRule>0</ResetRule>
<eraseonlaunchrule>0</eraseonlaunchrule> <eraseonlaunchrule>0</eraseonlaunchrule>
@ -40,6 +40,19 @@
</dependencies> </dependencies>
</framework-data> </framework-data>
</AsfFrameworkConfig> </AsfFrameworkConfig>
<avrtool>com.atmel.avrdbg.tool.simulator</avrtool>
<avrtoolserialnumber />
<avrdeviceexpectedsignature>0x1E950F</avrdeviceexpectedsignature>
<com_atmel_avrdbg_tool_simulator>
<ToolOptions xmlns="">
<InterfaceProperties>
</InterfaceProperties>
</ToolOptions>
<ToolType xmlns="">com.atmel.avrdbg.tool.simulator</ToolType>
<ToolNumber xmlns="">
</ToolNumber>
<ToolName xmlns="">Simulator</ToolName>
</com_atmel_avrdbg_tool_simulator>
</PropertyGroup> </PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)' == 'Release' "> <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
<ToolchainSettings> <ToolchainSettings>

37
Geigerzaehler/main.c
View File

@ -20,13 +20,13 @@ uint16_t boost_frequency = 2000; // 2kHz frequency
uint8_t boost_enable = 0; uint8_t boost_enable = 0;
uint8_t boost_highVoltage_nextHigh = 1; uint8_t boost_highVoltage_nextHigh = 1;
clock_t boost_highVoltage_nextTick = 0; uint16_t boost_highVoltage_nextTick = 0;
// Todo [CRITICAL]: Clock does not exist! Use timer. // Todo [CRITICAL]: Clock does not exist! Use timer.
uint8_t signalOutput_enable = 0; uint8_t signalOutput_enable = 0;
uint8_t signalOutput_nextHigh = 1; uint8_t signalOutput_nextHigh = 1;
clock_t signalOutput_nextTick = 0; uint16_t signalOutput_nextTick = 0;
int main() int main()
@ -51,6 +51,9 @@ int main()
EICRA |= (1 << ISC11)|(1 << ISC10); // On rising edge [Code: 11] EICRA |= (1 << ISC11)|(1 << ISC10); // On rising edge [Code: 11]
EIMSK |= (1 <<INT1); // Activate Interrupt INT1 EIMSK |= (1 <<INT1); // Activate Interrupt INT1
// Init timer1
timer1_init();
sei(); // Activate global interrupts sei(); // Activate global interrupts
// Endless loop // Endless loop
@ -59,7 +62,7 @@ int main()
// HighVoltage boosting // HighVoltage boosting
if(boost_enable == 1) if(boost_enable == 1)
{ {
if(clock() >= boost_highVoltage_nextTick) // If we are on or after the tick it should be executed if(TCNT1 >= boost_highVoltage_nextTick) // If we are on or after the tick it should be executed
{ {
// Set pin according to next exec // Set pin according to next exec
if(boost_highVoltage_nextHigh == 1) // Set it high if(boost_highVoltage_nextHigh == 1) // Set it high
@ -74,7 +77,7 @@ int main()
} }
// Calculate when next high/low should be set // Calculate when next high/low should be set
boost_highVoltage_nextTick = clock() + F_CPU * 1/(boost_frequency/2); // Half of time it should be high/low boost_highVoltage_nextTick = TCNT1 + F_CPU/256 * 1/(boost_frequency/2); // Half of time it should be high/low
} }
}else }else
{ {
@ -91,7 +94,7 @@ int main()
// Signal output // Signal output
if(signalOutput_enable) if(signalOutput_enable)
{ {
if(clock() >= signalOutput_nextTick) // If we are on or after the tick it should be executed if(TCNT1 >= signalOutput_nextTick) // If we are on or after the tick it should be executed
{ {
// Set pin according to next exec // Set pin according to next exec
if(signalOutput_nextHigh == 1) // Set it high if(signalOutput_nextHigh == 1) // Set it high
@ -110,12 +113,34 @@ int main()
} }
// When the signal should stop // When the signal should stop
signalOutput_nextTick = clock() + F_CPU * 0.2; // nextTick is in 0.2s signalOutput_nextTick = TCNT1 + F_CPU/256 * 0.2; // nextTick is in 0.2s
} }
} }
} }
} }
void timer1_init()
{
// set up timer with prescaler = 256
TCCR1B |= (1 << CS12);
// initialize counter
TCNT1 = 0;
}
ISR(TIMER1_COMPA_vect){
//Code Kanal A Timer 1
}
ISR(TIMER1_COMPB_vect){
//Code Kanal B Timer 1
}
/* /*
* Interrupt-handler * Interrupt-handler
* ISR - Interrupt service routine * ISR - Interrupt service routine