[adc] Fix wrong channel shift on STM32C0/G0

Apehaenger · web-flow · commit 3c039d9c1e07 · 2024-08-13T15:28:03.000+02:00
diff --git a/src/modm/platform/adc/stm32f0/adc_impl.hpp.in b/src/modm/platform/adc/stm32f0/adc_impl.hpp.in
@@ -196,7 +196,7 @@ modm::platform::Adc{{ id }}::setChannels(std::span<const Channel> channels)
 	uint32_t config = 0xFFFF'FFFF;
 	for (const auto [i, ch] : modm::enumerate(channels)) {
 		enableInternalChannel(ch);
-		config = (config & ~((0xF) << i)) | (std::to_underlying(ch) << i);
+		config = (config & ~((0xF) << i*4)) | (std::to_underlying(ch) << i*4);
 	}
 	ADC1->CHSELR = config;
 	waitChannelConfigReady();

Original file line number	Diff line number	Diff line change
`@@ -196,7 +196,7 @@ modm::platform::Adc{{ id }}::setChannels(std::span<const Channel> channels)`
`196`	`196`	`uint32_t config = 0xFFFF'FFFF;`
`197`	`197`	`for (const auto [i, ch] : modm::enumerate(channels)) {`
`198`	`198`	`enableInternalChannel(ch);`
`199`		`- config = (config & ~((0xF) << i)) \| (std::to_underlying(ch) << i);`
	`199`	`+ config = (config & ~((0xF) << i4)) \| (std::to_underlying(ch) << i4);`
`200`	`200`	`}`
`201`	`201`	`ADC1->CHSELR = config;`
`202`	`202`	`waitChannelConfigReady();`