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2d6eeb83ea
commit
812c2fef21
8 changed files with 55 additions and 110 deletions
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@ -7,14 +7,15 @@
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#include "esp/iomux.h"
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#include "common_macros.h"
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/* These are non-static versions of the GPIO mapping tables in
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iomux.h, so if they need to be linked only one copy is linked for
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the entire program.
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const static IRAM_DATA uint32_t IOMUX_TO_GPIO[] = { 12, 13, 14, 15, 3, 1, 6, 7, 8, 9, 10, 11, 0, 2, 4, 5 };
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const static IRAM_DATA uint32_t GPIO_TO_IOMUX[] = { 12, 5, 13, 4, 14, 15, 6, 7, 8, 9, 10, 11, 0, 1, 2, 3 };
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These are only ever linked in if the arguments to gpio_to_ionum
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or ionum_to_gpio are not known at compile time.
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uint8_t IRAM gpio_to_iomux(const uint8_t gpio_number)
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{
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return GPIO_TO_IOMUX[gpio_number];
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}
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Arrays are declared as 32-bit integers in IROM to save RAM.
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*/
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const IROM uint32_t GPIO_TO_IOMUX_MAP[] = _GPIO_TO_IOMUX;
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const IROM uint32_t IOMUX_TO_GPIO_MAP[] = _IOMUX_TO_GPIO;
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uint8_t IRAM iomux_to_gpio(const uint8_t iomux_number)
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{
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return IOMUX_TO_GPIO[iomux_number];
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}
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