diff options
Diffstat (limited to 'drivers/src/fsl_llwu.c')
| -rw-r--r-- | drivers/src/fsl_llwu.c | 404 |
1 files changed, 404 insertions, 0 deletions
diff --git a/drivers/src/fsl_llwu.c b/drivers/src/fsl_llwu.c new file mode 100644 index 0000000..74b1001 --- /dev/null +++ b/drivers/src/fsl_llwu.c @@ -0,0 +1,404 @@ +/* + * Copyright (c) 2015, Freescale Semiconductor, Inc. + * Copyright 2016-2017 NXP + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * o Redistributions of source code must retain the above copyright notice, this list + * of conditions and the following disclaimer. + * + * o Redistributions in binary form must reproduce the above copyright notice, this + * list of conditions and the following disclaimer in the documentation and/or + * other materials provided with the distribution. + * + * o Neither the name of the copyright holder nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "fsl_llwu.h" + +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) +void LLWU_SetExternalWakeupPinMode(LLWU_Type *base, uint32_t pinIndex, llwu_external_pin_mode_t pinMode) +{ +#if (defined(FSL_FEATURE_LLWU_REG_BITWIDTH) && (FSL_FEATURE_LLWU_REG_BITWIDTH == 32)) + volatile uint32_t *regBase; + uint32_t regOffset; + uint32_t reg; + + switch (pinIndex >> 4U) + { + case 0U: + regBase = &base->PE1; + break; +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 16)) + case 1U: + regBase = &base->PE2; + break; +#endif + default: + regBase = NULL; + break; + } +#else + volatile uint8_t *regBase; + uint8_t regOffset; + uint8_t reg; + switch (pinIndex >> 2U) + { + case 0U: + regBase = &base->PE1; + break; + case 1U: + regBase = &base->PE2; + break; +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 8)) + case 2U: + regBase = &base->PE3; + break; +#endif +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 12)) + case 3U: + regBase = &base->PE4; + break; +#endif +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 16)) + case 4U: + regBase = &base->PE5; + break; +#endif +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 20)) + case 5U: + regBase = &base->PE6; + break; +#endif +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 24)) + case 6U: + regBase = &base->PE7; + break; +#endif +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 28)) + case 7U: + regBase = &base->PE8; + break; +#endif + default: + regBase = NULL; + break; + } +#endif /* FSL_FEATURE_LLWU_REG_BITWIDTH == 32 */ + + if (regBase) + { + reg = *regBase; +#if (defined(FSL_FEATURE_LLWU_REG_BITWIDTH) && (FSL_FEATURE_LLWU_REG_BITWIDTH == 32)) + regOffset = ((pinIndex & 0x0FU) << 1U); +#else + regOffset = ((pinIndex & 0x03U) << 1U); +#endif + reg &= ~(0x3U << regOffset); + reg |= ((uint32_t)pinMode << regOffset); + *regBase = reg; + } +} + +bool LLWU_GetExternalWakeupPinFlag(LLWU_Type *base, uint32_t pinIndex) +{ +#if (defined(FSL_FEATURE_LLWU_REG_BITWIDTH) && (FSL_FEATURE_LLWU_REG_BITWIDTH == 32)) + return (bool)(base->PF & (1U << pinIndex)); +#else + volatile uint8_t *regBase; + + switch (pinIndex >> 3U) + { +#if (defined(FSL_FEATURE_LLWU_HAS_PF) && FSL_FEATURE_LLWU_HAS_PF) + case 0U: + regBase = &base->PF1; + break; +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 8)) + case 1U: + regBase = &base->PF2; + break; +#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */ +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 16)) + case 2U: + regBase = &base->PF3; + break; +#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */ +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 24)) + case 3U: + regBase = &base->PF4; + break; +#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */ +#else + case 0U: + regBase = &base->F1; + break; +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 8)) + case 1U: + regBase = &base->F2; + break; +#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */ +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 16)) + case 2U: + regBase = &base->F3; + break; +#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */ +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 24)) + case 3U: + regBase = &base->F4; + break; +#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */ +#endif /* FSL_FEATURE_LLWU_HAS_PF */ + default: + regBase = NULL; + break; + } + + if (regBase) + { + return (bool)(*regBase & (1U << pinIndex % 8)); + } + else + { + return false; + } +#endif /* FSL_FEATURE_LLWU_REG_BITWIDTH */ +} + +void LLWU_ClearExternalWakeupPinFlag(LLWU_Type *base, uint32_t pinIndex) +{ +#if (defined(FSL_FEATURE_LLWU_REG_BITWIDTH) && (FSL_FEATURE_LLWU_REG_BITWIDTH == 32)) + base->PF = (1U << pinIndex); +#else + volatile uint8_t *regBase; + switch (pinIndex >> 3U) + { +#if (defined(FSL_FEATURE_LLWU_HAS_PF) && FSL_FEATURE_LLWU_HAS_PF) + case 0U: + regBase = &base->PF1; + break; +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 8)) + case 1U: + regBase = &base->PF2; + break; +#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */ +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 16)) + case 2U: + regBase = &base->PF3; + break; +#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */ +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 24)) + case 3U: + regBase = &base->PF4; + break; +#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */ +#else + case 0U: + regBase = &base->F1; + break; +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 8)) + case 1U: + regBase = &base->F2; + break; +#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */ +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 16)) + case 2U: + regBase = &base->F3; + break; +#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */ +#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 24)) + case 3U: + regBase = &base->F4; + break; +#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */ +#endif /* FSL_FEATURE_LLWU_HAS_PF */ + default: + regBase = NULL; + break; + } + if (regBase) + { + *regBase = (1U << pinIndex % 8U); + } +#endif /* FSL_FEATURE_LLWU_REG_BITWIDTH */ +} +#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */ + +#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && FSL_FEATURE_LLWU_HAS_PIN_FILTER) +void LLWU_SetPinFilterMode(LLWU_Type *base, uint32_t filterIndex, llwu_external_pin_filter_mode_t filterMode) +{ +#if (defined(FSL_FEATURE_LLWU_REG_BITWIDTH) && (FSL_FEATURE_LLWU_REG_BITWIDTH == 32)) + uint32_t reg; + + reg = base->FILT; + reg &= ~((LLWU_FILT_FILTSEL1_MASK | LLWU_FILT_FILTE1_MASK) << (filterIndex * 8U - 1U)); + reg |= (((filterMode.pinIndex << LLWU_FILT_FILTSEL1_SHIFT) | (filterMode.filterMode << LLWU_FILT_FILTE1_SHIFT) + /* Clear the Filter Detect Flag */ + | LLWU_FILT_FILTF1_MASK) + << (filterIndex * 8U - 1U)); + base->FILT = reg; +#else + volatile uint8_t *regBase; + uint8_t reg; + + switch (filterIndex) + { + case 1: + regBase = &base->FILT1; + break; +#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 1)) + case 2: + regBase = &base->FILT2; + break; +#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */ +#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 2)) + case 3: + regBase = &base->FILT3; + break; +#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */ +#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 3)) + case 4: + regBase = &base->FILT4; + break; +#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */ + default: + regBase = NULL; + break; + } + + if (regBase) + { + reg = *regBase; + reg &= ~(LLWU_FILT1_FILTSEL_MASK | LLWU_FILT1_FILTE_MASK); + reg |= ((uint32_t)filterMode.pinIndex << LLWU_FILT1_FILTSEL_SHIFT); + reg |= ((uint32_t)filterMode.filterMode << LLWU_FILT1_FILTE_SHIFT); + /* Clear the Filter Detect Flag */ + reg |= LLWU_FILT1_FILTF_MASK; + *regBase = reg; + } +#endif /* FSL_FEATURE_LLWU_REG_BITWIDTH */ +} + +bool LLWU_GetPinFilterFlag(LLWU_Type *base, uint32_t filterIndex) +{ +#if (defined(FSL_FEATURE_LLWU_REG_BITWIDTH) && (FSL_FEATURE_LLWU_REG_BITWIDTH == 32)) + return (bool)(base->FILT & (1U << (filterIndex * 8U - 1))); +#else + bool status = false; + + switch (filterIndex) + { + case 1: + status = (base->FILT1 & LLWU_FILT1_FILTF_MASK); + break; +#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 1)) + case 2: + status = (base->FILT2 & LLWU_FILT2_FILTF_MASK); + break; +#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */ +#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 2)) + case 3: + status = (base->FILT3 & LLWU_FILT3_FILTF_MASK); + break; +#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */ +#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 3)) + case 4: + status = (base->FILT4 & LLWU_FILT4_FILTF_MASK); + break; +#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */ + default: + break; + } + + return status; +#endif /* FSL_FEATURE_LLWU_REG_BITWIDTH */ +} + +void LLWU_ClearPinFilterFlag(LLWU_Type *base, uint32_t filterIndex) +{ +#if (defined(FSL_FEATURE_LLWU_REG_BITWIDTH) && (FSL_FEATURE_LLWU_REG_BITWIDTH == 32)) + uint32_t reg; + + reg = base->FILT; + switch (filterIndex) + { + case 1: + reg |= LLWU_FILT_FILTF1_MASK; + break; + case 2: + reg |= LLWU_FILT_FILTF2_MASK; + break; + case 3: + reg |= LLWU_FILT_FILTF3_MASK; + break; + case 4: + reg |= LLWU_FILT_FILTF4_MASK; + break; + default: + break; + } + base->FILT = reg; +#else + volatile uint8_t *regBase; + uint8_t reg; + + switch (filterIndex) + { + case 1: + regBase = &base->FILT1; + break; +#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 1)) + case 2: + regBase = &base->FILT2; + break; +#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */ +#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 2)) + case 3: + regBase = &base->FILT3; + break; +#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */ +#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 3)) + case 4: + regBase = &base->FILT4; + break; +#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */ + default: + regBase = NULL; + break; + } + + if (regBase) + { + reg = *regBase; + reg |= LLWU_FILT1_FILTF_MASK; + *regBase = reg; + } +#endif /* FSL_FEATURE_LLWU_REG_BITWIDTH */ +} +#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */ + +#if (defined(FSL_FEATURE_LLWU_HAS_RESET_ENABLE) && FSL_FEATURE_LLWU_HAS_RESET_ENABLE) +void LLWU_SetResetPinMode(LLWU_Type *base, bool pinEnable, bool enableInLowLeakageMode) +{ + uint8_t reg; + + reg = base->RST; + reg &= ~(LLWU_RST_LLRSTE_MASK | LLWU_RST_RSTFILT_MASK); + reg |= + (((uint32_t)pinEnable << LLWU_RST_LLRSTE_SHIFT) | ((uint32_t)enableInLowLeakageMode << LLWU_RST_RSTFILT_SHIFT)); + base->RST = reg; +} +#endif /* FSL_FEATURE_LLWU_HAS_RESET_ENABLE */ |