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
244static inline void check_gpio_param(__unused uint gpio) {
245 invalid_params_if(HARDWARE_GPIO, gpio >= NUM_BANK0_GPIOS);
315 return (pads_bank0_hw->io[gpio] & PADS_BANK0_GPIO0_PUE_BITS) != 0;
334 return (pads_bank0_hw->io[gpio] & PADS_BANK0_GPIO0_PDE_BITS) != 0;
474#ifndef GPIO_IRQ_CALLBACK_ORDER_PRIORITY
475#define GPIO_IRQ_CALLBACK_ORDER_PRIORITY PICO_SHARED_IRQ_HANDLER_LOWEST_ORDER_PRIORITY
479#ifndef GPIO_RAW_IRQ_HANDLER_DEFAULT_ORDER_PRIORITY
480#define GPIO_RAW_IRQ_HANDLER_DEFAULT_ORDER_PRIORITY PICO_SHARED_IRQ_HANDLER_DEFAULT_ORDER_PRIORITY
552 check_gpio_param(gpio);
554 &io_bank0_hw->proc1_irq_ctrl : &io_bank0_hw->proc0_irq_ctrl;
555 io_ro_32 *status_reg = &irq_ctrl_base->ints[gpio >> 3u];
556 return (*status_reg >> (4 * (gpio & 7u))) & 0xfu;
574 check_gpio_param(gpio);
575 io_bank0_hw->intr[gpio / 8] = event_mask << (4 * (gpio % 8));
678 check_gpio_param(gpio);
679#if NUM_BANK0_GPIOS > 32
777 check_gpio_param(gpio);
778#if NUM_BANK0_GPIOS > 32
825 check_gpio_param(gpio);
826#if NUM_BANK0_GPIOS > 32
870#if NUM_BANK0_GPIOS <= 32
871 return sio_hw->gpio_in & (1u << gpio);
874 return sio_hw->gpio_in & (1u << gpio);
876 return sio_hw->gpio_hi_in & (1u << (gpio - 32));
887#if PICO_USE_GPIO_COPROCESSOR
888 return gpioc_lo_in_get();
890 return sio_hw->gpio_in;
900#if PICO_USE_GPIO_COPROCESSOR
901 return gpioc_hilo_in_get();
902#elif NUM_BANK0_GPIOS <= 32
903 return sio_hw->gpio_in;
905 return sio_hw->gpio_in | (((uint64_t)sio_hw->gpio_hi_in) << 32u);
919#if PICO_USE_GPIO_COPROCESSOR
920 gpioc_lo_out_set(mask);
922 sio_hw->gpio_set = mask;
932#if PICO_USE_GPIO_COPROCESSOR
933 gpioc_hilo_out_set(mask);
934#elif NUM_BANK0_GPIOS <= 32
935 sio_hw->gpio_set = (uint32_t)mask;
937 sio_hw->gpio_set = (uint32_t)mask;
938 sio_hw->gpio_hi_set = (uint32_t)(mask >> 32u);
952#if PICO_USE_GPIO_COPROCESSOR
953 gpioc_hi_out_set(mask);
954#elif NUM_BANK0_GPIOS >= 32
955 sio_hw->gpio_hi_set = mask;
966#if PICO_USE_GPIO_COPROCESSOR
967 gpioc_lo_out_clr(mask);
969 sio_hw->gpio_clr = mask;
979#if PICO_USE_GPIO_COPROCESSOR
980 gpioc_hilo_out_clr(mask);
981#elif NUM_BANK0_GPIOS <= 32
982 sio_hw->gpio_clr = (uint32_t)mask;
984 sio_hw->gpio_clr = (uint32_t)mask;
985 sio_hw->gpio_hi_clr = (uint32_t)(mask >> 32u);
1000#if PICO_USE_GPIO_COPROCESSOR
1001 gpioc_hi_out_clr(mask);
1002#elif NUM_BANK0_GPIOS >= 32
1003 sio_hw->gpio_hi_clr = mask;
1014#if PICO_USE_GPIO_COPROCESSOR
1015 gpioc_lo_out_xor(mask);
1017 sio_hw->gpio_togl = mask;
1027#if PICO_USE_GPIO_COPROCESSOR
1028 gpioc_hilo_out_xor(mask);
1029#elif NUM_BANK0_GPIOS <= 32
1030 sio_hw->gpio_togl = (uint32_t)mask;
1032 sio_hw->gpio_togl = (uint32_t)mask;
1033 sio_hw->gpio_hi_togl = (uint32_t)(mask >> 32u);
1046 }
else if (n == 1) {
1047#if PICO_USE_GPIO_COPROCESSOR
1048 gpioc_hi_out_xor(mask);
1049#elif NUM_BANK0_GPIOS >= 32
1050 sio_hw->gpio_hi_togl = mask;
1067#if PICO_USE_GPIO_COPROCESSOR
1068 gpioc_lo_out_xor((gpioc_lo_out_get() ^ value) & mask);
1070 sio_hw->gpio_togl = (sio_hw->gpio_out ^ value) & mask;
1086#if PICO_USE_GPIO_COPROCESSOR
1087 gpioc_hilo_out_xor((gpioc_hilo_out_get() ^ value) & mask);
1088#elif NUM_BANK0_GPIOS <= 32
1089 sio_hw->gpio_togl = (sio_hw->gpio_out ^ (uint32_t)value) & (uint32_t)mask;
1091 sio_hw->gpio_togl = (sio_hw->gpio_out ^ (uint32_t)value) & (uint32_t)mask;
1092 sio_hw->gpio_hi_togl = (sio_hw->gpio_hi_out ^ (uint32_t)(value>>32u)) & (uint32_t)(mask>>32u);
1111 }
else if (n == 1) {
1112#if PICO_USE_GPIO_COPROCESSOR
1113 gpioc_hi_out_xor((gpioc_hi_out_get() ^ value) & mask);
1115 sio_hw->gpio_hi_togl = (sio_hw->gpio_hi_out ^ value) & mask;
1126#if PICO_USE_GPIO_COPROCESSOR
1127 gpioc_lo_out_put(value);
1129 sio_hw->gpio_out = value;
1139#if PICO_USE_GPIO_COPROCESSOR
1140 gpioc_hilo_out_put(value);
1141#elif NUM_BANK0_GPIOS <= 32
1142 sio_hw->gpio_out = (uint32_t)value;
1144 sio_hw->gpio_out = (uint32_t)value;
1145 sio_hw->gpio_hi_out = (uint32_t)(value >> 32u);
1156#if PICO_USE_GPIO_COPROCESSOR
1157 gpioc_bit_out_put(gpio, value);
1158#elif NUM_BANK0_GPIOS <= 32
1159 uint32_t mask = 1ul << gpio;
1165 uint32_t mask = 1ul << (gpio & 0x1fu);
1168 sio_hw->gpio_set = mask;
1170 sio_hw->gpio_clr = mask;
1174 sio_hw->gpio_hi_set = mask;
1176 sio_hw->gpio_hi_clr = mask;
1199#if NUM_BANK0_GPIOS <= 32
1200 return sio_hw->gpio_out & (1u << gpio);
1202 uint32_t bits = gpio < 32 ? sio_hw->gpio_out : sio_hw->gpio_hi_out;
1203 return bits & (1u << (gpio & 0x1fu));
1219#if PICO_USE_GPIO_COPROCESSOR
1220 gpioc_lo_oe_set(mask);
1222 sio_hw->gpio_oe_set = mask;
1234#if PICO_USE_GPIO_COPROCESSOR
1235 gpioc_hilo_oe_set(mask);
1236#elif NUM_BANK0_GPIOS <= 32
1237 sio_hw->gpio_oe_set = mask;
1239 sio_hw->gpio_oe_set = (uint32_t)mask;
1240 sio_hw->gpio_hi_oe_set = (uint32_t)(mask >> 32u);
1250#if PICO_USE_GPIO_COPROCESSOR
1251 gpioc_lo_oe_clr(mask);
1253 sio_hw->gpio_oe_clr = mask;
1263#if PICO_USE_GPIO_COPROCESSOR
1264 gpioc_hilo_oe_clr(mask);
1265#elif NUM_BANK0_GPIOS <= 32
1266 sio_hw->gpio_oe_clr = mask;
1268 sio_hw->gpio_oe_clr = (uint32_t)mask;
1269 sio_hw->gpio_hi_oe_clr = (uint32_t)(mask >> 32u);
1285#if PICO_USE_GPIO_COPROCESSOR
1286 gpioc_lo_oe_xor((gpioc_lo_oe_get() ^ value) & mask);
1288 sio_hw->gpio_oe_togl = (sio_hw->gpio_oe ^ value) & mask;
1304#if PICO_USE_GPIO_COPROCESSOR
1305 gpioc_hilo_oe_xor((gpioc_hilo_oe_get() ^ value) & mask);
1306#elif NUM_BANK0_GPIOS <= 32
1307 sio_hw->gpio_oe_togl = (sio_hw->gpio_oe ^ (uint32_t)value) & (uint32_t)mask;
1309 sio_hw->gpio_oe_togl = (sio_hw->gpio_oe ^ (uint32_t)value) & (uint32_t)mask;
1310 sio_hw->gpio_hi_oe_togl = (sio_hw->gpio_hi_oe ^ (uint32_t)(value >> 32u)) & (uint32_t)(mask >> 32u);
1321#if PICO_USE_GPIO_COPROCESSOR
1322 gpioc_lo_oe_put(values);
1324 sio_hw->gpio_oe = values;
1334#if PICO_USE_GPIO_COPROCESSOR
1335 gpioc_hilo_oe_put(values);
1336#elif NUM_BANK0_GPIOS <= 32
1337 sio_hw->gpio_oe = (uint32_t)values;
1339 sio_hw->gpio_oe = (uint32_t)values;
1340 sio_hw->gpio_hi_oe = (uint32_t)(values >> 32u);
1351#if PICO_USE_GPIO_COPROCESSOR
1352 gpioc_bit_oe_put(gpio, out);
1353#elif PICO_RP2040 || NUM_BANK0_GPIOS <= 32
1354 uint32_t mask = 1ul << gpio;
1360 uint32_t mask = 1u << (gpio & 0x1fu);
1363 sio_hw->gpio_oe_set = mask;
1365 sio_hw->gpio_oe_clr = mask;
1369 sio_hw->gpio_hi_oe_set = mask;
1371 sio_hw->gpio_hi_oe_clr = mask;
1384#if NUM_BANK0_GPIOS <= 32
1385 return sio_hw->gpio_oe & (1u << (gpio));
1387 uint32_t bits = gpio < 32 ? sio_hw->gpio_oe : sio_hw->gpio_hi_oe;
1388 return bits & (1u << (gpio & 0x1fu));
1403static inline void gpio_assign_to_ns(uint gpio,
bool ns) {
1404 check_gpio_param(gpio);
1405 if (ns)
hw_set_bits(&accessctrl_hw->gpio_nsmask[gpio/32], 1u << (gpio & 0x1fu));
1406 else hw_clear_bits(&accessctrl_hw->gpio_nsmask[gpio/32], 1u << (gpio & 0x1fu));
1409extern void gpio_debug_pins_init(
void);
1417#ifndef PICO_DEBUG_PIN_BASE
1418#define PICO_DEBUG_PIN_BASE 19u
1422#ifndef PICO_DEBUG_PIN_COUNT
1423#define PICO_DEBUG_PIN_COUNT 3u
1428#define CU_REGISTER_DEBUG_PINS(...) enum __unused DEBUG_PIN_TYPE { _none = 0, __VA_ARGS__ }; static enum DEBUG_PIN_TYPE __selected_debug_pins;
1429#define CU_SELECT_DEBUG_PINS(x) static enum DEBUG_PIN_TYPE __selected_debug_pins = (x);
1430#define DEBUG_PINS_ENABLED(p) (__selected_debug_pins == (p))
1432#define CU_REGISTER_DEBUG_PINS(p...) \
1433 enum DEBUG_PIN_TYPE { _none = 0, p }; \
1434 template <enum DEBUG_PIN_TYPE> class __debug_pin_settings { \
1436 static inline bool enabled() { return false; } \
1438#define CU_SELECT_DEBUG_PINS(x) template<> inline bool __debug_pin_settings<x>::enabled() { return true; };
1439#define DEBUG_PINS_ENABLED(p) (__debug_pin_settings<p>::enabled())
1441#define DEBUG_PINS_SET(p, v) if (DEBUG_PINS_ENABLED(p)) gpio_set_mask((unsigned)(v)<<PICO_DEBUG_PIN_BASE)
1442#define DEBUG_PINS_CLR(p, v) if (DEBUG_PINS_ENABLED(p)) gpio_clr_mask((unsigned)(v)<<PICO_DEBUG_PIN_BASE)
1443#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
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:677
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
static bool gpio_get_out_level(uint gpio)
Determine whether a GPIO is currently driven high or low.
Definition gpio.h:1198
static void gpio_put_all64(uint64_t value)
Drive all pins simultaneously.
Definition gpio.h:1138
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:250
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:237
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:234
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:238
static uint gpio_get_dir(uint gpio)
Get a specific GPIO direction.
Definition gpio.h:1398
static void gpio_set_dir_masked64(uint64_t mask, uint64_t value)
Set multiple GPIO directions.
Definition gpio.h:1303
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:776
void gpio_init_mask(uint gpio_mask)
Initialise multiple GPIOs (enabled I/O and set func to GPIO_FUNC_SIO).
Definition gpio.c:283
static void gpio_pull_up(uint gpio)
Set specified GPIO to be pulled up.
Definition gpio.h:304
void gpio_set_function_masked(uint32_t gpio_mask, gpio_function_t fn)
Select the function for multiple GPIOs.
Definition gpio.c:292
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:205
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:824
void gpio_deinit(uint gpio)
Resets a GPIO back to the NULL function, i.e. disables it.
Definition gpio.c:279
static void gpio_set_dir_all_bits(uint32_t values)
Set direction of all pins simultaneously.
Definition gpio.h:1320
static bool gpio_is_pulled_down(uint gpio)
Determine if the specified GPIO is pulled down.
Definition gpio.h:333
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:198
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:1013
static void gpio_set_dir(uint gpio, bool out)
Set a single GPIO direction.
Definition gpio.h:1350
static void gpio_clr_mask(uint32_t mask)
Drive low every GPIO appearing in mask.
Definition gpio.h:965
static void gpio_put_masked_n(uint n, uint32_t mask, uint32_t value)
Drive GPIOs high/low depending on parameters.
Definition gpio.h:1108
static void gpio_set_dir_out_masked64(uint64_t mask)
Set a number of GPIOs to output.
Definition gpio.h:1233
static void gpio_put(uint gpio, bool value)
Drive a single GPIO high/low.
Definition gpio.h:1155
static void gpio_xor_mask_n(uint n, uint32_t mask)
Toggle every GPIO appearing in mask.
Definition gpio.h:1043
gpio_slew_rate
Slew rate limiting levels for GPIO outputs.
Definition gpio.h:226
void gpio_set_input_enabled(uint gpio, bool enabled)
Enable GPIO input.
Definition gpio.c:265
gpio_override
GPIO override modes.
Definition gpio.h:212
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:224
static void gpio_set_dir_in_masked(uint32_t mask)
Set a number of GPIOs to input.
Definition gpio.h:1249
static void gpio_put_all(uint32_t value)
Drive all pins simultaneously.
Definition gpio.h:1125
static void gpio_set_dir_out_masked(uint32_t mask)
Set a number of GPIOs to output.
Definition gpio.h:1218
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:301
void gpio_init(uint gpio)
Initialise a GPIO for (enabled I/O and set func to GPIO_FUNC_SIO).
Definition gpio.c:273
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:244
static void gpio_set_mask_n(uint n, uint32_t mask)
Drive high every GPIO appearing in mask.
Definition gpio.h:948
static void gpio_clr_mask_n(uint n, uint32_t mask)
Drive low every GPIO appearing in mask.
Definition gpio.h:996
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:931
static bool gpio_is_dir_out(uint gpio)
Check if a specific GPIO direction is OUT.
Definition gpio.h:1383
static uint64_t gpio_get_all64(void)
Get raw value of all GPIOs.
Definition gpio.h:899
static void gpio_put_masked64(uint64_t mask, uint64_t value)
Drive GPIOs high/low depending on parameters.
Definition gpio.h:1085
static void gpio_set_dir_masked(uint32_t mask, uint32_t value)
Set multiple GPIO directions.
Definition gpio.h:1284
static void gpio_clr_mask64(uint64_t mask)
Drive low every GPIO appearing in mask.
Definition gpio.h:978
static void gpio_set_dir_all_bits64(uint64_t values)
Set direction of all pins simultaneously.
Definition gpio.h:1333
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:1026
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:1262
static bool gpio_is_pulled_up(uint gpio)
Determine if the specified GPIO is pulled up.
Definition gpio.h:314
static void gpio_put_masked(uint32_t mask, uint32_t value)
Drive GPIOs high/low depending on parameters.
Definition gpio.h:1066
static void gpio_acknowledge_irq(uint gpio, uint32_t event_mask)
Acknowledge a GPIO interrupt for the specified events on the calling core.
Definition gpio.h:573
static void gpio_disable_pulls(uint gpio)
Disable pulls on specified GPIO.
Definition gpio.h:342
static uint32_t gpio_get_all(void)
Get raw value of all GPIOs.
Definition gpio.h:886
static void gpio_pull_down(uint gpio)
Set specified GPIO to be pulled down.
Definition gpio.h:323
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:551
static bool gpio_get(uint gpio)
Get state of a single specified GPIO.
Definition gpio.h:869
static void gpio_set_mask(uint32_t mask)
Drive high every GPIO appearing in mask.
Definition gpio.h:918
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:218
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:230
@ GPIO_DRIVE_STRENGTH_2MA
2 mA nominal drive strength
Definition gpio.h:238
@ GPIO_DRIVE_STRENGTH_8MA
8 mA nominal drive strength
Definition gpio.h:240
@ GPIO_DRIVE_STRENGTH_12MA
12 mA nominal drive strength
Definition gpio.h:241
@ GPIO_DRIVE_STRENGTH_4MA
4 mA nominal drive strength
Definition gpio.h:239
@ GPIO_IRQ_EDGE_RISE
IRQ when the GPIO has transitioned from a logical 0 to a logical 1.
Definition gpio.h:194
@ GPIO_IRQ_EDGE_FALL
IRQ when the GPIO has transitioned from a logical 1 to a logical 0.
Definition gpio.h:193
@ GPIO_IRQ_LEVEL_LOW
IRQ when the GPIO pin is a logical 0.
Definition gpio.h:191
@ GPIO_IRQ_LEVEL_HIGH
IRQ when the GPIO pin is a logical 1.
Definition gpio.h:192
@ GPIO_SLEW_RATE_FAST
Slew rate limiting disabled.
Definition gpio.h:228
@ GPIO_SLEW_RATE_SLOW
Slew rate limiting enabled.
Definition gpio.h:227
@ GPIO_OVERRIDE_INVERT
invert peripheral signal selected via gpio_set_function
Definition gpio.h:214
@ GPIO_OVERRIDE_HIGH
drive high/enable output
Definition gpio.h:216
@ GPIO_OVERRIDE_LOW
drive low/disable output
Definition gpio.h:215
@ GPIO_OVERRIDE_NORMAL
peripheral signal selected via gpio_set_function
Definition gpio.h:213
void(* irq_handler_t)(void)
Interrupt handler function type.
Definition irq.h:195