zephyr/arch/arm/soc/atmel_sam/common/soc_pmc.c

57 lines
1.0 KiB
C

/*
* Copyright (c) 2016 Piotr Mienkowski
* SPDX-License-Identifier: Apache-2.0
*/
/** @file
* @brief Atmel SAM MCU family Power Management Controller (PMC) module
* HAL driver.
*/
#include <soc.h>
#include <misc/__assert.h>
#include <misc/util.h>
#if ID_PERIPH_COUNT > 64
#error "Unsupported SoC, update soc_pmc.c functions"
#endif
void soc_pmc_peripheral_enable(u32_t id)
{
__ASSERT(id < ID_PERIPH_COUNT, "Invalid peripheral id");
if (id < 32) {
PMC->PMC_PCER0 = BIT(id);
#if ID_PERIPH_COUNT > 32
} else {
PMC->PMC_PCER1 = BIT(id & 0x1F);
#endif
}
}
void soc_pmc_peripheral_disable(u32_t id)
{
__ASSERT(id < ID_PERIPH_COUNT, "Invalid peripheral id");
if (id < 32) {
PMC->PMC_PCDR0 = BIT(id);
#if ID_PERIPH_COUNT > 32
} else {
PMC->PMC_PCDR1 = BIT(id & 0x1F);
#endif
}
}
u32_t soc_pmc_peripheral_is_enabled(u32_t id)
{
__ASSERT(id < ID_PERIPH_COUNT, "Invalid peripheral id");
if (id < 32) {
return (PMC->PMC_PCSR0 & BIT(id)) != 0;
#if ID_PERIPH_COUNT > 32
} else {
return (PMC->PMC_PCSR1 & BIT(id & 0x1F)) != 0;
#endif
}
}