7#ifndef _HARDWARE_GPIO_H
8#define _HARDWARE_GPIO_H
11#include "hardware/structs/sio.h"
12#include "hardware/structs/pads_bank0.h"
13#include "hardware/structs/io_bank0.h"
17#if !defined(PICO_USE_GPIO_COPROCESSOR) && HAS_GPIO_COPROCESSOR
18#define PICO_USE_GPIO_COPROCESSOR 1
21#if PICO_USE_GPIO_COPROCESSOR
22#include "hardware/gpio_coproc.h"
30#ifndef PARAM_ASSERTIONS_ENABLED_HARDWARE_GPIO
31#ifdef PARAM_ASSERTIONS_ENABLED_GPIO
32#define PARAM_ASSERTIONS_ENABLED_HARDWARE_GPIO PARAM_ASSERTIONS_ENABLED_GPIO
34#define PARAM_ASSERTIONS_ENABLED_HARDWARE_GPIO 0
239static inline void check_gpio_param(__unused uint gpio) {
240 invalid_params_if(HARDWARE_GPIO, gpio >= NUM_BANK0_GPIOS);
310 return (pads_bank0_hw->io[gpio] & PADS_BANK0_GPIO0_PUE_BITS) != 0;
329 return (pads_bank0_hw->io[gpio] & PADS_BANK0_GPIO0_PDE_BITS) != 0;
469#ifndef GPIO_IRQ_CALLBACK_ORDER_PRIORITY
470#define GPIO_IRQ_CALLBACK_ORDER_PRIORITY PICO_SHARED_IRQ_HANDLER_LOWEST_ORDER_PRIORITY
474#ifndef GPIO_RAW_IRQ_HANDLER_DEFAULT_ORDER_PRIORITY
475#define GPIO_RAW_IRQ_HANDLER_DEFAULT_ORDER_PRIORITY PICO_SHARED_IRQ_HANDLER_DEFAULT_ORDER_PRIORITY
547 check_gpio_param(gpio);
549 &io_bank0_hw->proc1_irq_ctrl : &io_bank0_hw->proc0_irq_ctrl;
550 io_ro_32 *status_reg = &irq_ctrl_base->ints[gpio >> 3u];
551 return (*status_reg >> (4 * (gpio & 7u))) & 0xfu;
670 check_gpio_param(gpio);
671#if NUM_BANK0_GPIOS > 32
769 check_gpio_param(gpio);
770#if NUM_BANK0_GPIOS > 32
815 check_gpio_param(gpio);
816#if NUM_BANK0_GPIOS > 32
860#if NUM_BANK0_GPIOS <= 32
861 return sio_hw->gpio_in & (1u << gpio);
864 return sio_hw->gpio_in & (1u << gpio);
866 return sio_hw->gpio_hi_in & (1u << (gpio - 32));
877#if PICO_USE_GPIO_COPROCESSOR
878 return gpioc_lo_in_get();
880 return sio_hw->gpio_in;
890#if PICO_USE_GPIO_COPROCESSOR
891 return gpioc_hilo_in_get();
892#elif NUM_BANK0_GPIOS <= 32
893 return sio_hw->gpio_in;
895 return sio_hw->gpio_in | (((uint64_t)sio_hw->gpio_hi_in) << 32u);
909#if PICO_USE_GPIO_COPROCESSOR
910 gpioc_lo_out_set(mask);
912 sio_hw->gpio_set = mask;
922#if PICO_USE_GPIO_COPROCESSOR
923 gpioc_hilo_out_set(mask);
924#elif NUM_BANK0_GPIOS <= 32
925 sio_hw->gpio_set = (uint32_t)mask;
927 sio_hw->gpio_set = (uint32_t)mask;
928 sio_hw->gpio_hi_set = (uint32_t)(mask >> 32u);
942#if PICO_USE_GPIO_COPROCESSOR
943 gpioc_hi_out_set(mask);
944#elif NUM_BANK0_GPIOS >= 32
945 sio_hw->gpio_hi_set = mask;
956#if PICO_USE_GPIO_COPROCESSOR
957 gpioc_lo_out_clr(mask);
959 sio_hw->gpio_clr = mask;
969#if PICO_USE_GPIO_COPROCESSOR
970 gpioc_hilo_out_clr(mask);
971#elif NUM_BANK0_GPIOS <= 32
972 sio_hw->gpio_clr = (uint32_t)mask;
974 sio_hw->gpio_clr = (uint32_t)mask;
975 sio_hw->gpio_hi_clr = (uint32_t)(mask >> 32u);
990#if PICO_USE_GPIO_COPROCESSOR
991 gpioc_hi_out_clr(mask);
992#elif NUM_BANK0_GPIOS >= 32
993 sio_hw->gpio_hi_clr = mask;
1004#if PICO_USE_GPIO_COPROCESSOR
1005 gpioc_lo_out_xor(mask);
1007 sio_hw->gpio_togl = mask;
1017#if PICO_USE_GPIO_COPROCESSOR
1018 gpioc_hilo_out_xor(mask);
1019#elif NUM_BANK0_GPIOS <= 32
1020 sio_hw->gpio_togl = (uint32_t)mask;
1022 sio_hw->gpio_togl = (uint32_t)mask;
1023 sio_hw->gpio_hi_togl = (uint32_t)(mask >> 32u);
1036 }
else if (n == 1) {
1037#if PICO_USE_GPIO_COPROCESSOR
1038 gpioc_hi_out_xor(mask);
1039#elif NUM_BANK0_GPIOS >= 32
1040 sio_hw->gpio_hi_togl = mask;
1057#if PICO_USE_GPIO_COPROCESSOR
1058 gpioc_lo_out_xor((gpioc_lo_out_get() ^ value) & mask);
1060 sio_hw->gpio_togl = (sio_hw->gpio_out ^ value) & mask;
1076#if PICO_USE_GPIO_COPROCESSOR
1077 gpioc_hilo_out_xor((gpioc_hilo_out_get() ^ value) & mask);
1078#elif NUM_BANK0_GPIOS <= 32
1079 sio_hw->gpio_togl = (sio_hw->gpio_out ^ (uint32_t)value) & (uint32_t)mask;
1081 sio_hw->gpio_togl = (sio_hw->gpio_out ^ (uint32_t)value) & (uint32_t)mask;
1082 sio_hw->gpio_hi_togl = (sio_hw->gpio_hi_out ^ (uint32_t)(value>>32u)) & (uint32_t)(mask>>32u);
1101 }
else if (n == 1) {
1102#if PICO_USE_GPIO_COPROCESSOR
1103 gpioc_hi_out_xor((gpioc_hi_out_get() ^ value) & mask);
1105 sio_hw->gpio_hi_togl = (sio_hw->gpio_hi_out ^ value) & mask;
1116#if PICO_USE_GPIO_COPROCESSOR
1117 gpioc_lo_out_put(value);
1119 sio_hw->gpio_out = value;
1129#if PICO_USE_GPIO_COPROCESSOR
1130 gpioc_hilo_out_put(value);
1131#elif NUM_BANK0_GPIOS <= 32
1132 sio_hw->gpio_out = (uint32_t)value;
1134 sio_hw->gpio_out = (uint32_t)value;
1135 sio_hw->gpio_hi_out = (uint32_t)(value >> 32u);
1146#if PICO_USE_GPIO_COPROCESSOR
1147 gpioc_bit_out_put(gpio, value);
1148#elif NUM_BANK0_GPIOS <= 32
1149 uint32_t mask = 1ul << gpio;
1155 uint32_t mask = 1ul << (gpio & 0x1fu);
1158 sio_hw->gpio_set = mask;
1160 sio_hw->gpio_clr = mask;
1164 sio_hw->gpio_hi_set = mask;
1166 sio_hw->gpio_hi_clr = mask;
1189#if NUM_BANK0_GPIOS <= 32
1190 return sio_hw->gpio_out & (1u << gpio);
1192 uint32_t bits = gpio < 32 ? sio_hw->gpio_out : sio_hw->gpio_hi_out;
1193 return bits & (1u << (gpio & 0x1fu));
1209#if PICO_USE_GPIO_COPROCESSOR
1210 gpioc_lo_oe_set(mask);
1212 sio_hw->gpio_oe_set = mask;
1224#if PICO_USE_GPIO_COPROCESSOR
1225 gpioc_hilo_oe_set(mask);
1226#elif NUM_BANK0_GPIOS <= 32
1227 sio_hw->gpio_oe_set = mask;
1229 sio_hw->gpio_oe_set = (uint32_t)mask;
1230 sio_hw->gpio_hi_oe_set = (uint32_t)(mask >> 32u);
1240#if PICO_USE_GPIO_COPROCESSOR
1241 gpioc_lo_oe_clr(mask);
1243 sio_hw->gpio_oe_clr = mask;
1253#if PICO_USE_GPIO_COPROCESSOR
1254 gpioc_hilo_oe_clr(mask);
1255#elif NUM_BANK0_GPIOS <= 32
1256 sio_hw->gpio_oe_clr = mask;
1258 sio_hw->gpio_oe_clr = (uint32_t)mask;
1259 sio_hw->gpio_hi_oe_clr = (uint32_t)(mask >> 32u);
1275#if PICO_USE_GPIO_COPROCESSOR
1276 gpioc_lo_oe_xor((gpioc_lo_oe_get() ^ value) & mask);
1278 sio_hw->gpio_oe_togl = (sio_hw->gpio_oe ^ value) & mask;
1294#if PICO_USE_GPIO_COPROCESSOR
1295 gpioc_hilo_oe_xor((gpioc_hilo_oe_get() ^ value) & mask);
1296#elif NUM_BANK0_GPIOS <= 32
1297 sio_hw->gpio_oe_togl = (sio_hw->gpio_oe ^ (uint32_t)value) & (uint32_t)mask;
1299 sio_hw->gpio_oe_togl = (sio_hw->gpio_oe ^ (uint32_t)value) & (uint32_t)mask;
1300 sio_hw->gpio_hi_oe_togl = (sio_hw->gpio_hi_oe ^ (uint32_t)(value >> 32u)) & (uint32_t)(mask >> 32u);
1311#if PICO_USE_GPIO_COPROCESSOR
1312 gpioc_lo_oe_put(values);
1314 sio_hw->gpio_oe = values;
1324#if PICO_USE_GPIO_COPROCESSOR
1325 gpioc_hilo_oe_put(values);
1326#elif NUM_BANK0_GPIOS <= 32
1327 sio_hw->gpio_oe = (uint32_t)values;
1329 sio_hw->gpio_oe = (uint32_t)values;
1330 sio_hw->gpio_hi_oe = (uint32_t)(values >> 32u);
1341#if PICO_USE_GPIO_COPROCESSOR
1342 gpioc_bit_oe_put(gpio, out);
1343#elif PICO_RP2040 || NUM_BANK0_GPIOS <= 32
1344 uint32_t mask = 1ul << gpio;
1350 uint32_t mask = 1u << (gpio & 0x1fu);
1353 sio_hw->gpio_oe_set = mask;
1355 sio_hw->gpio_oe_clr = mask;
1359 sio_hw->gpio_hi_oe_set = mask;
1361 sio_hw->gpio_hi_oe_clr = mask;
1374#if NUM_BANK0_GPIOS <= 32
1375 return sio_hw->gpio_oe & (1u << (gpio));
1377 uint32_t bits = gpio < 32 ? sio_hw->gpio_oe : sio_hw->gpio_hi_oe;
1378 return bits & (1u << (gpio & 0x1fu));
1393static inline void gpio_assign_to_ns(uint gpio,
bool ns) {
1394 check_gpio_param(gpio);
1395 if (ns)
hw_set_bits(&accessctrl_hw->gpio_nsmask[gpio/32], 1u << (gpio & 0x1fu));
1396 else hw_clear_bits(&accessctrl_hw->gpio_nsmask[gpio/32], 1u << (gpio & 0x1fu));
1399extern void gpio_debug_pins_init(
void);
1407#ifndef PICO_DEBUG_PIN_BASE
1408#define PICO_DEBUG_PIN_BASE 19u
1412#ifndef PICO_DEBUG_PIN_COUNT
1413#define PICO_DEBUG_PIN_COUNT 3u
1418#define CU_REGISTER_DEBUG_PINS(...) enum __unused DEBUG_PIN_TYPE { _none = 0, __VA_ARGS__ }; static enum DEBUG_PIN_TYPE __selected_debug_pins;
1419#define CU_SELECT_DEBUG_PINS(x) static enum DEBUG_PIN_TYPE __selected_debug_pins = (x);
1420#define DEBUG_PINS_ENABLED(p) (__selected_debug_pins == (p))
1422#define CU_REGISTER_DEBUG_PINS(p...) \
1423 enum DEBUG_PIN_TYPE { _none = 0, p }; \
1424 template <enum DEBUG_PIN_TYPE> class __debug_pin_settings { \
1426 static inline bool enabled() { return false; } \
1428#define CU_SELECT_DEBUG_PINS(x) template<> inline bool __debug_pin_settings<x>::enabled() { return true; };
1429#define DEBUG_PINS_ENABLED(p) (__debug_pin_settings<p>::enabled())
1431#define DEBUG_PINS_SET(p, v) if (DEBUG_PINS_ENABLED(p)) gpio_set_mask((unsigned)(v)<<PICO_DEBUG_PIN_BASE)
1432#define DEBUG_PINS_CLR(p, v) if (DEBUG_PINS_ENABLED(p)) gpio_clr_mask((unsigned)(v)<<PICO_DEBUG_PIN_BASE)
1433#define DEBUG_PINS_XOR(p, v) if (DEBUG_PINS_ENABLED(p)) gpio_xor_mask((unsigned)(v)<<PICO_DEBUG_PIN_BASE)
gpio_dir
Definition: gpio.h:170
@ GPIO_OUT
set GPIO to output
Definition: gpio.h:171
@ GPIO_IN
set GPIO to input
Definition: gpio.h:172
gpio_override
Definition: gpio.h:207
@ GPIO_OVERRIDE_INVERT
invert peripheral signal selected via gpio_set_function
Definition: gpio.h:209
@ GPIO_OVERRIDE_HIGH
drive high/enable output
Definition: gpio.h:211
@ GPIO_OVERRIDE_LOW
drive low/disable output
Definition: gpio.h:210
@ GPIO_OVERRIDE_NORMAL
peripheral signal selected via gpio_set_function
Definition: gpio.h:208
static __force_inline void hw_set_bits(io_rw_32 *addr, uint32_t mask)
Atomically set the specified bits to 1 in a HW register.
Definition: address_mapped.h:135
static __force_inline void hw_clear_bits(io_rw_32 *addr, uint32_t mask)
Atomically clear the specified bits to 0 in a HW register.
Definition: address_mapped.h:145
static void gpio_add_raw_irq_handler_with_order_priority(uint gpio, irq_handler_t handler, uint8_t order_priority)
Adds a raw GPIO IRQ handler for a specific GPIO on the current core.
Definition: gpio.h:669
void gpio_set_irq_enabled(uint gpio, uint32_t event_mask, bool enabled)
Enable or disable specific interrupt events for specified GPIO.
Definition: gpio.c:186
void gpio_acknowledge_irq(uint gpio, uint32_t event_mask)
Acknowledge a GPIO interrupt for the specified events on the calling core.
Definition: gpio.c:259
static bool gpio_get_out_level(uint gpio)
Determine whether a GPIO is currently driven high or low.
Definition: gpio.h:1188
static void gpio_put_all64(uint64_t value)
Drive all pins simultaneously.
Definition: gpio.h:1128
void gpio_set_dormant_irq_enabled(uint gpio, uint32_t event_mask, bool enabled)
Enable dormant wake up interrupt for specified GPIO and events.
Definition: gpio.c:253
void gpio_set_drive_strength(uint gpio, enum gpio_drive_strength drive)
Set drive strength for a specified GPIO.
Definition: gpio.c:138
enum gpio_function_rp2040 gpio_function_t
GPIO pin function selectors on RP2040 (used as typedef gpio_function_t)
enum gpio_drive_strength gpio_get_drive_strength(uint gpio)
Determine current drive strength for a specified GPIO.
Definition: gpio.c:146
gpio_drive_strength
Drive strength levels for GPIO outputs.
Definition: gpio.h:232
void gpio_set_input_hysteresis_enabled(uint gpio, bool enabled)
Enable/disable GPIO input hysteresis (Schmitt trigger)
Definition: gpio.c:106
void gpio_set_function(uint gpio, gpio_function_t fn)
Select GPIO function.
Definition: gpio.c:38
gpio_function_t gpio_get_function(uint gpio)
Determine current GPIO function.
Definition: gpio.c:56
void gpio_add_raw_irq_handler_masked64(uint64_t gpio_mask, irq_handler_t handler)
Adds a raw GPIO IRQ handler for the specified GPIOs on the current core.
Definition: gpio.c:237
void gpio_set_oeover(uint gpio, uint value)
Select GPIO output enable override.
Definition: gpio.c:98
void gpio_remove_raw_irq_handler_masked(uint32_t gpio_mask, irq_handler_t handler)
Removes a raw GPIO IRQ handler for the specified GPIOs on the current core.
Definition: gpio.c:241
static uint gpio_get_dir(uint gpio)
Get a specific GPIO direction.
Definition: gpio.h:1388
static void gpio_set_dir_masked64(uint64_t mask, uint64_t value)
Set multiple GPIO directions.
Definition: gpio.h:1293
static void gpio_add_raw_irq_handler(uint gpio, irq_handler_t handler)
Adds a raw GPIO IRQ handler for a specific GPIO on the current core.
Definition: gpio.h:768
void gpio_init_mask(uint gpio_mask)
Initialise multiple GPIOs (enabled I/O and set func to GPIO_FUNC_SIO)
Definition: gpio.c:291
static void gpio_pull_up(uint gpio)
Set specified GPIO to be pulled up.
Definition: gpio.h:299
void gpio_set_function_masked(uint32_t gpio_mask, gpio_function_t fn)
Select the function for multiple GPIOs.
Definition: gpio.c:300
void gpio_set_irq_callback(gpio_irq_callback_t callback)
Set the generic callback used for GPIO IRQ events for the current core.
Definition: gpio.c:208
enum gpio_slew_rate gpio_get_slew_rate(uint gpio)
Determine current slew rate for a specified GPIO.
Definition: gpio.c:128
static void gpio_remove_raw_irq_handler(uint gpio, irq_handler_t handler)
Removes a raw GPIO IRQ handler for the specified GPIO on the current core.
Definition: gpio.h:814
void gpio_deinit(uint gpio)
Resets a GPIO back to the NULL function, i.e. disables it.
Definition: gpio.c:287
static void gpio_set_dir_all_bits(uint32_t values)
Set direction of all pins simultaneously.
Definition: gpio.h:1310
static bool gpio_is_pulled_down(uint gpio)
Determine if the specified GPIO is pulled down.
Definition: gpio.h:328
void gpio_set_inover(uint gpio, uint value)
Select GPIO input override.
Definition: gpio.c:82
void gpio_set_irq_enabled_with_callback(uint gpio, uint32_t event_mask, bool enabled, gpio_irq_callback_t callback)
Convenience function which performs multiple GPIO IRQ related initializations.
Definition: gpio.c:201
gpio_irq_level
GPIO Interrupt level definitions (GPIO events)
Definition: gpio.h:190
static void gpio_xor_mask(uint32_t mask)
Toggle every GPIO appearing in mask.
Definition: gpio.h:1003
static void gpio_set_dir(uint gpio, bool out)
Set a single GPIO direction.
Definition: gpio.h:1340
static void gpio_clr_mask(uint32_t mask)
Drive low every GPIO appearing in mask.
Definition: gpio.h:955
static void gpio_put_masked_n(uint n, uint32_t mask, uint32_t value)
Drive GPIOs high/low depending on parameters.
Definition: gpio.h:1098
static void gpio_set_dir_out_masked64(uint64_t mask)
Set a number of GPIOs to output.
Definition: gpio.h:1223
static void gpio_put(uint gpio, bool value)
Drive a single GPIO high/low.
Definition: gpio.h:1145
static void gpio_xor_mask_n(uint n, uint32_t mask)
Toggle every GPIO appearing in mask.
Definition: gpio.h:1033
gpio_slew_rate
Slew rate limiting levels for GPIO outputs.
Definition: gpio.h:221
void gpio_set_input_enabled(uint gpio, bool enabled)
Enable GPIO input.
Definition: gpio.c:273
void gpio_add_raw_irq_handler_with_order_priority_masked64(uint64_t gpio_mask, irq_handler_t handler, uint8_t order_priority)
Adds a raw GPIO IRQ handler for the specified GPIOs on the current core.
Definition: gpio.c:227
static void gpio_set_dir_in_masked(uint32_t mask)
Set a number of GPIOs to input.
Definition: gpio.h:1239
static void gpio_put_all(uint32_t value)
Drive all pins simultaneously.
Definition: gpio.h:1115
static void gpio_set_dir_out_masked(uint32_t mask)
Set a number of GPIOs to output.
Definition: gpio.h:1208
void gpio_set_outover(uint gpio, uint value)
Set GPIO output override.
Definition: gpio.c:90
void gpio_set_function_masked64(uint64_t gpio_mask, gpio_function_t fn)
Select the function for multiple GPIOs.
Definition: gpio.c:309
void gpio_init(uint gpio)
Initialise a GPIO for (enabled I/O and set func to GPIO_FUNC_SIO)
Definition: gpio.c:281
void(* gpio_irq_callback_t)(uint gpio, uint32_t event_mask)
Definition: gpio.h:205
void gpio_remove_raw_irq_handler_masked64(uint64_t gpio_mask, irq_handler_t handler)
Removes a raw GPIO IRQ handler for the specified GPIOs on the current core.
Definition: gpio.c:247
static void gpio_set_mask_n(uint n, uint32_t mask)
Drive high every GPIO appearing in mask.
Definition: gpio.h:938
static void gpio_clr_mask_n(uint n, uint32_t mask)
Drive low every GPIO appearing in mask.
Definition: gpio.h:986
void gpio_set_irqover(uint gpio, uint value)
Set GPIO IRQ override.
Definition: gpio.c:73
static void gpio_set_mask64(uint64_t mask)
Drive high every GPIO appearing in mask.
Definition: gpio.h:921
static bool gpio_is_dir_out(uint gpio)
Check if a specific GPIO direction is OUT.
Definition: gpio.h:1373
static uint64_t gpio_get_all64(void)
Get raw value of all GPIOs.
Definition: gpio.h:889
static void gpio_put_masked64(uint64_t mask, uint64_t value)
Drive GPIOs high/low depending on parameters.
Definition: gpio.h:1075
static void gpio_set_dir_masked(uint32_t mask, uint32_t value)
Set multiple GPIO directions.
Definition: gpio.h:1274
static void gpio_clr_mask64(uint64_t mask)
Drive low every GPIO appearing in mask.
Definition: gpio.h:968
static void gpio_set_dir_all_bits64(uint64_t values)
Set direction of all pins simultaneously.
Definition: gpio.h:1323
void gpio_set_pulls(uint gpio, bool up, bool down)
Select up and down pulls on specific GPIO.
Definition: gpio.c:63
static void gpio_xor_mask64(uint64_t mask)
Toggle every GPIO appearing in mask.
Definition: gpio.h:1016
bool gpio_is_input_hysteresis_enabled(uint gpio)
Determine whether input hysteresis is enabled on a specified GPIO.
Definition: gpio.c:115
static void gpio_set_dir_in_masked64(uint64_t mask)
Set a number of GPIOs to input.
Definition: gpio.h:1252
static bool gpio_is_pulled_up(uint gpio)
Determine if the specified GPIO is pulled up.
Definition: gpio.h:309
static void gpio_put_masked(uint32_t mask, uint32_t value)
Drive GPIOs high/low depending on parameters.
Definition: gpio.h:1056
static void gpio_disable_pulls(uint gpio)
Disable pulls on specified GPIO.
Definition: gpio.h:337
static uint32_t gpio_get_all(void)
Get raw value of all GPIOs.
Definition: gpio.h:876
static void gpio_pull_down(uint gpio)
Set specified GPIO to be pulled down.
Definition: gpio.h:318
void gpio_set_slew_rate(uint gpio, enum gpio_slew_rate slew)
Set slew rate for a specified GPIO.
Definition: gpio.c:120
static uint32_t gpio_get_irq_event_mask(uint gpio)
Return the current interrupt status (pending events) for the given GPIO.
Definition: gpio.h:546
static bool gpio_get(uint gpio)
Get state of a single specified GPIO.
Definition: gpio.h:859
static void gpio_set_mask(uint32_t mask)
Drive high every GPIO appearing in mask.
Definition: gpio.h:908
void gpio_add_raw_irq_handler_with_order_priority_masked(uint32_t gpio_mask, irq_handler_t handler, uint8_t order_priority)
Adds a raw GPIO IRQ handler for the specified GPIOs on the current core.
Definition: gpio.c:221
void gpio_add_raw_irq_handler_masked(uint32_t gpio_mask, irq_handler_t handler)
Adds a raw GPIO IRQ handler for the specified GPIOs on the current core.
Definition: gpio.c:233
@ GPIO_DRIVE_STRENGTH_2MA
2 mA nominal drive strength
Definition: gpio.h:233
@ GPIO_DRIVE_STRENGTH_8MA
8 mA nominal drive strength
Definition: gpio.h:235
@ GPIO_DRIVE_STRENGTH_12MA
12 mA nominal drive strength
Definition: gpio.h:236
@ GPIO_DRIVE_STRENGTH_4MA
4 mA nominal drive strength
Definition: gpio.h:234
@ GPIO_IRQ_EDGE_RISE
IRQ when the GPIO has transitioned from a logical 1 to a logical 0.
Definition: gpio.h:194
@ GPIO_IRQ_EDGE_FALL
IRQ when the GPIO has transitioned from a logical 0 to a logical 1.
Definition: gpio.h:193
@ GPIO_IRQ_LEVEL_LOW
IRQ when the GPIO pin is a logical 1.
Definition: gpio.h:191
@ GPIO_IRQ_LEVEL_HIGH
IRQ when the GPIO pin is a logical 0.
Definition: gpio.h:192
@ GPIO_SLEW_RATE_FAST
Slew rate limiting disabled.
Definition: gpio.h:223
@ GPIO_SLEW_RATE_SLOW
Slew rate limiting enabled.
Definition: gpio.h:222
void(* irq_handler_t)(void)
Interrupt handler function type.
Definition: irq.h:195
Definition: io_bank0.h:67