kopia lustrzana https://github.com/RobertGawron/IonizationChamber
61 wiersze
1.5 KiB
C
61 wiersze
1.5 KiB
C
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#include "status_leds.h"
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#include "pinout_conf.h"
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#include "stm8s_gpio.h"
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// stm8 lib store flag combinations in enum variables
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#define PIN_LEDS (PIN_LED_GREEN | PIN_LED_RED)// NOLINT(clang-diagnostic-assign-enum)
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void status_leds_init(void)
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{
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GPIO_Init(PORT_LED,
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PIN_LEDS,
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GPIO_MODE_OUT_PP_LOW_SLOW);
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}
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void status_leds_set(const LedId_t led,
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const LedState_t state)
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{
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/*
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* Initialise with a dummy value to silence the linter; it will be
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* overwritten in the first switch–case below.
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*/
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GPIO_Pin_TypeDef pin = GPIO_PIN_ALL;
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/*
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* Both switch–case blocks enumerate every value of their respective enums,
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* so a ‘default’ label is unnecessary. If a new value is added later, the
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* linter will flag the missing branch.
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*
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* SDCC emits the same code size whether an empty ‘default’ is present or
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* not, so omitting it gains nothing in binary size; it is done purely for
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* readability and static-analysis cleanliness.
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*/
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switch (led) // NOLINT(clang-diagnostic-switch-default)
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{
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case LED_ID_DATA_ACTIVE:
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pin = PIN_LED_GREEN;
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break;
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case LED_ID_SYSTEM_OK:
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pin = PIN_LED_RED;
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break;
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}
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switch (state) // NOLINT(clang-diagnostic-switch-default)
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{
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case LED_OFF:
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GPIO_WriteLow(PORT_LED, pin);
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break;
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case LED_ON:
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GPIO_WriteHigh(PORT_LED, pin);
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break;
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case LED_TOGGLE:
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GPIO_WriteReverse(PORT_LED, pin);
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break;
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}
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}
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