本文整理汇总了C++中GPIO函数的典型用法代码示例。如果您正苦于以下问题：C++ GPIO函数的具体用法？C++ GPIO怎么用？C++ GPIO使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了GPIO函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: configure_3g
static void configure_3g(void)
{
/* Force 3G modem off to avoid confusing the EHCI host and
* causing problems during enumeration/init */
gpio_output(GPIO(5, C, 1), 1); /* 3G_SHUTDOWN */
gpio_output(GPIO(4, D, 2), 0); /* 3G_ON_OFF */
}
开发者ID:AdriDlu，项目名称:coreboot，代码行数:7，代码来源:mainboard.c
示例2: set_external_breakpoint_pin_state
void set_external_breakpoint_pin_state(uint16_t bitmask, bool state)
{
if (state)
GPIO(PORT_CODEPOINT, OUT) |= bitmask << PIN_CODEPOINT_0;
else
GPIO(PORT_CODEPOINT, OUT) &= ~(bitmask << PIN_CODEPOINT_0);
}
开发者ID:CMUAbstract，项目名称:edb-firmware，代码行数:7，代码来源:codepoint.c
示例3: ambarella_init_filbert
/* ==========================================================================*/
static void __init ambarella_init_filbert(void)
{
int i;
ambarella_init_machine("Filbert");
platform_add_devices(ambarella_devices, ARRAY_SIZE(ambarella_devices));
for (i = 0; i < ARRAY_SIZE(ambarella_devices); i++) {
device_set_wakeup_capable(&ambarella_devices[i]->dev, 1);
device_set_wakeup_enable(&ambarella_devices[i]->dev, 0);
}
/* Config Eth0*/
ambarella_eth0_platform_info.mii_reset.gpio_id = GPIO(124);
ambarella_eth0_platform_info.mii_reset.active_level = GPIO_LOW;
ambarella_eth0_platform_info.mii_reset.active_delay = 20;
/* Config Eth1*/
ambarella_eth1_platform_info.mii_reset.gpio_id = GPIO(125);
ambarella_eth1_platform_info.mii_reset.active_level = GPIO_LOW;
ambarella_eth1_platform_info.mii_reset.active_delay = 20;
/* Config SD*/
fio_default_owner = SELECT_FIO_SDIO;
ambarella_platform_sd_controller0.clk_limit = 48000000;
ambarella_platform_sd_controller0.slot[0].cd_delay = HZ;
ambarella_platform_sd_controller0.slot[0].use_bounce_buffer = 1;
ambarella_platform_sd_controller0.slot[0].max_blk_sz = SD_BLK_SZ_128KB;
ambarella_platform_sd_controller0.slot[1].cd_delay = HZ;
ambarella_platform_sd_controller0.slot[1].gpio_cd.irq_gpio = GPIO(75);
ambarella_platform_sd_controller0.slot[1].gpio_cd.irq_line = gpio_to_irq(75);
ambarella_platform_sd_controller0.slot[1].gpio_cd.irq_type = IRQ_TYPE_EDGE_BOTH;
ambarella_platform_sd_controller0.slot[1].gpio_wp.gpio_id = GPIO(76);
}
开发者ID:WayWingsDev，项目名称:gopro-linux，代码行数:35，代码来源:init-boss_a7.c
示例4: UART_teardown
void UART_teardown(unsigned interface)
{
// Put pins into High-Z state
switch(interface)
{
#ifdef UART_HOST
case UART_INTERFACE_USB:
UART(UART_HOST, IE) &= ~UCRXIE; // disable Tx + Rx interrupts
UART(UART_HOST, CTL1) |= UCSWRST; // put state machine in reset
GPIO(PORT_UART_USB, SEL) &=
~(BIT(PIN_UART_USB_TX) | BIT(PIN_UART_USB_RX));
GPIO(PORT_UART_USB, DIR) &=
~(BIT(PIN_UART_USB_TX) | BIT(PIN_UART_USB_RX));
break;
#endif // PORT_UART_USB
#ifdef UART_TARGET
case UART_INTERFACE_WISP:
UART(UART_TARGET, IE) &= ~UCRXIE; // disable Tx + Rx interrupts
UART(UART_TARGET, CTL1) |= UCSWRST; // put state machine in reset
GPIO(PORT_UART_TARGET, SEL) &=
~(BIT(PIN_UART_TARGET_TX) | BIT(PIN_UART_TARGET_RX));
GPIO(PORT_UART_TARGET, DIR) &=
~(BIT(PIN_UART_TARGET_TX) | BIT(PIN_UART_TARGET_RX));
break;
#endif // PORT_UART_TARGET
}
}
开发者ID:CMUAbstract，项目名称:edb-firmware，代码行数:27，代码来源:uart.c
示例5: init
void init() {
initClocks();
// Ensure right location of interrupt vectors
// The bootloader leaves its own after flashing
SYSCFG.MEMRMP()->setMEM_MODE(SYSCFG::MEMRMP::MemMode::MainFlashmemory);
CM4.VTOR()->setVTOR((void*) 0);
// Put all inputs as Analog Input, No pull-up nor pull-down
// Except for the SWD port (PB3, PA13, PA14)
GPIOA.MODER()->set(0xEBFFFFFF);
GPIOA.PUPDR()->set(0x24000000);
GPIOB.MODER()->set(0xFFFFFFBF);
GPIOB.PUPDR()->set(0x00000000);
for (int g=2; g<5; g++) {
GPIO(g).MODER()->set(0xFFFFFFFF); // All to "Analog"
GPIO(g).PUPDR()->set(0x00000000); // All to "None"
}
#if EPSILON_DEVICE_BENCH
bool consolePeerConnectedOnBoot = Ion::Console::Device::peerConnected();
#endif
initPeripherals();
#if EPSILON_DEVICE_BENCH
if (consolePeerConnectedOnBoot) {
Ion::Device::Bench::run();
}
#endif
}
开发者ID:Tilka，项目名称:epsilon，代码行数:31，代码来源:device.cpp
示例6: configure_vop
static void configure_vop(void)
{
write32(&rk3288_grf->iomux_lcdc, IOMUX_LCDC);
/* lcdc(vop) iodomain select 1.8V */
write32(&rk3288_grf->io_vsel, RK_SETBITS(1 << 0));
switch (board_id()) {
case 0:
rk808_configure_switch(2, 1); /* VCC18_LCD */
rk808_configure_ldo(7, 2500); /* VCC10_LCD_PWREN_H */
rk808_configure_switch(1, 1); /* VCC33_LCD */
break;
default:
gpio_output(GPIO(2, B, 5), 1); /* AVDD_1V8_DISP_EN */
rk808_configure_ldo(7, 2500); /* VCC10_LCD_PWREN_H */
gpio_output(GPIO(7, B, 6), 1); /* LCD_EN */
rk808_configure_switch(1, 1); /* VCC33_LCD */
/* enable edp HPD */
gpio_input_pulldown(GPIO(7, B, 3));
write32(&rk3288_grf->iomux_edp_hotplug, IOMUX_EDP_HOTPLUG);
break;
}
}
开发者ID:zamaudio，项目名称:coreboot，代码行数:25，代码来源:mainboard.c
示例7: bootblock_mainboard_early_init
void bootblock_mainboard_early_init(void)
{
/* Let gpio2ab io domains works at 1.8V.
*
* If io_vsel[0] == 0(default value), gpio2ab io domains is 3.0V
* powerd by APIO2_VDD, otherwise, 1.8V supplied by APIO2_VDDPST.
* But from the schematic of kevin rev0, the APIO2_VDD and
* APIO2_VDDPST both are 1.8V(intentionally?).
*
* So, by default, CPU1_SDIO_PWREN(GPIO2_A2) can't output 3.0V
* because the supply is 1.8V.
* Let ask GPIO2_A2 output 1.8V to make GPIO interal logic happy.
*/
write32(&rk3399_grf->io_vsel, RK_SETBITS(1 << 0));
/*
* Let's enable these power rails here, we are already running the SPI
* Flash based code.
*/
gpio_output(GPIO(0, B, 2), 1); /* PP1500_EN */
gpio_output(GPIO(0, B, 4), 1); /* PP3000_EN */
if (IS_ENABLED(CONFIG_DRIVERS_UART)) {
_Static_assert(CONFIG_CONSOLE_SERIAL_UART_ADDRESS == UART2_BASE,
"CONSOLE_SERIAL_UART should be UART2");
/* iomux: select gpio4c[4:3] as uart2 dbg port */
write32(&rk3399_grf->iomux_uart2c, IOMUX_UART2C);
/* grf soc_con7[11:10] use for uart2 select */
write32(&rk3399_grf->soc_con7, UART2C_SEL);
}
}
开发者ID:kk1987，项目名称:coreboot，代码行数:33，代码来源:bootblock.c
示例8: append_watchpoint_event
static void append_watchpoint_event(unsigned index)
{
if (watchpoint_events_count[watchpoint_events_buf_idx] <
param_num_watchpoint_events_buffered) {
watchpoint_event_t *watchpoint_event =
&watchpoint_events_buf[watchpoint_events_count[watchpoint_events_buf_idx]++];
watchpoint_event->timestamp = SYSTICK_CURRENT_TIME;
watchpoint_event->index = index;
if (watchpoints_vcap_snapshot & (1 << index))
watchpoint_event->vcap = ADC_read(ADC_CHAN_INDEX_VCAP);
else // TODO: don't stream vcap at all if snapshot is not enabled
watchpoint_event->vcap = 0;
}
if (watchpoint_events_count[watchpoint_events_buf_idx] ==
param_num_watchpoint_events_buffered) {// buffer full
if (!(main_loop_flags & FLAG_WATCHPOINT_READY)) { // the other buffer is free
swap_buffers();
// clear error indicator
GPIO(PORT_LED, OUT) &= ~BIT(PIN_LED_RED);
} else { // both buffers are full
// indicate error on LED
GPIO(PORT_LED, OUT) |= BIT(PIN_LED_RED);
// drop the watchpoints on the floor
}
} else {
// clear error indicator
GPIO(PORT_LED, OUT) &= ~BIT(PIN_LED_RED);
}
}
开发者ID:CMUAbstract，项目名称:edb-firmware，代码行数:34，代码来源:codepoint.c
示例9: target_set_debug_led
void target_set_debug_led(unsigned int led, bool on)
{
switch (led) {
case 0: gpio_set(GPIO(GPIO_PORT_F, 1), on); break;
case 1: gpio_set(GPIO(GPIO_PORT_F, 2), on); break;
case 2: gpio_set(GPIO(GPIO_PORT_F, 3), on); break;
}
}
开发者ID:DSKIM3，项目名称:lk，代码行数:8，代码来源:init.c
示例10: io_mcp_get_pin_info
irom io_error_t io_mcp_get_pin_info(string_t *dst, const struct io_info_entry_T *info, io_data_pin_entry_t *pin_data, const io_config_pin_entry_t *pin_config, int pin)
{
int bank, bankpin, tv;
int io, olat, cached;
mcp_data_pin_t *mcp_pin_data;
bank = (pin & 0x08) >> 3;
bankpin = pin & 0x07;
mcp_pin_data = &mcp_data_pin_table[info->instance][pin];
switch(pin_config->llmode)
{
case(io_pin_ll_input_analog):
{
if(read_register(dst, info->address, GPIO(bank), &tv) != io_ok)
return(io_error);
string_format(dst, "current io: %s", onoff(tv & (1 << bankpin)));
break;
}
case(io_pin_ll_counter):
{
if(read_register(dst, info->address, GPIO(bank), &tv) != io_ok)
return(io_error);
string_format(dst, "current io: %s, debounce: %d", onoff(tv & (1 << bankpin)), mcp_pin_data->debounce);
break;
}
case(io_pin_ll_output_digital):
{
if(read_register(dst, info->address, GPIO(bank), &tv) != io_ok)
return(io_error);
io = tv & (1 << bankpin);
if(read_register(dst, info->address, OLAT(bank), &tv) != io_ok)
return(io_error);
olat = tv & (1 << bankpin);
cached = pin_output_cache[bank] & (1 << bankpin);
string_format(dst, "current latch: %s, io: %s, cache: %s", onoff(io), onoff(olat), onoff(cached));
break;
}
default:
{
}
}
return(io_ok);
}
开发者ID:ESP32DE，项目名称:esp8266-universal-io-bridge，代码行数:58，代码来源:io_mcp.c
示例11: board_id
uint32_t board_id(void)
{
const gpio_t pins[] = {[2] = GPIO(51), [1] = GPIO(62), [0] = GPIO(38)};
static uint32_t id = UNDEFINED_STRAPPING_ID;
if (id == UNDEFINED_STRAPPING_ID)
id = gpio_base2_value(pins, ARRAY_SIZE(pins));
return id;
}
开发者ID:canistation，项目名称:coreboot，代码行数:10，代码来源:boardid.c
示例12: rush_backlight_update
/* Turn on or turn off the backlight */
static int rush_backlight_update(DisplayOps *me, uint8_t enable)
{
TegraGpio *backlight_vdd_enable = new_tegra_gpio_output(GPIO(P, 2));
TegraGpio *backlight_enable = new_tegra_gpio_output(GPIO(H, 2));
gpio_set(&backlight_vdd_enable->ops, enable);
mdelay(10);
gpio_set(&backlight_enable->ops, enable);
return 0;
}
开发者ID:rockchip-linux，项目名称:depthcharge，代码行数:12，代码来源:board.c
示例13: ram_code
uint32_t ram_code(void)
{
uint32_t code;
static gpio_t pins[] = {[3] = GPIO(8, A, 3), [2] = GPIO(8, A, 2),
[1] = GPIO(8, A, 1), [0] = GPIO(8, A, 0)}; /* GPIO8_A0 is LSB */
code = gpio_base2_value(pins, ARRAY_SIZE(pins));
printk(BIOS_SPEW, "RAM Config: %u.\n", code);
return code;
}
开发者ID:tidatida，项目名称:coreboot，代码行数:11，代码来源:boardid.c
示例14: UART_Init
void UART_Init(int id, UINT32 baud)
{
if (id == 0) {
GPIO_SetP0Function(GPIO(0,0), 1); // P0.0 Function TxD UART0
GPIO_SetP0Function(GPIO(0,1), 1); // P0.1 Function RxD UART0
}
else if (id == 1) {
GPIO_SetP0Function(GPIO(0,8), 1); // P0.8 Function TxD UART0
GPIO_SetP0Function(GPIO(0,9), 1); // P0.9 Function RxD UART0
}
UART_SetBaud(id, baud);
}
开发者ID:toxicgumbo，项目名称:m1，代码行数:12，代码来源:uart.c
示例15: mainboard_keyboard_init
void mainboard_keyboard_init(struct pk_sm_desc *desc)
{
pwr_btn_gpio = sysinfo_lookup_gpio("power", 1,
new_tegra_gpio_input_from_coreboot);
die_if(!pwr_btn_gpio, "No GPIO for power!!\n");
/* Inputs volup and voldown are active low. */
vol_down_gpio = new_gpio_not(&new_tegra_gpio_input(GPIO(X, 7))->ops);
vol_up_gpio = new_gpio_not(&new_tegra_gpio_input(GPIO(X, 6))->ops);
foster_sm_init(desc);
}
开发者ID:coreboot，项目名称:depthcharge，代码行数:12，代码来源:keyboard.c
示例16: board_id
uint8_t board_id(void)
{
static int id = -1;
static gpio_t pins[] = {[3] = GPIO(2, A, 7), [2] = GPIO(2, A, 2),
[1] = GPIO(2, A, 1), [0] = GPIO(2, A, 0)}; /* GPIO2_A0 is LSB */
if (id < 0) {
id = gpio_base2_value(pins, ARRAY_SIZE(pins));
printk(BIOS_SPEW, "Board ID: %d.\n", id);
}
return id;
}
开发者ID:tidatida，项目名称:coreboot，代码行数:13，代码来源:boardid.c
示例17: enable_watchpoints
void enable_watchpoints()
{
// enable rising-edge interrupt on enabled codepoint pins (harmless to do every time)
uint8_t enabled_pins = 0;
for (int i = 0; i < NUM_CODEPOINT_PINS; ++i) {
enabled_pins |= (watchpoints & (1 << i)) ? ((1 << i) << PIN_CODEPOINT_0) : 0;
}
GPIO(PORT_CODEPOINT, DIR) &= ~BITS_CODEPOINT;
GPIO(PORT_CODEPOINT, IES) &= ~BITS_CODEPOINT;
GPIO(PORT_CODEPOINT, IFG) &= ~BITS_CODEPOINT;
GPIO(PORT_CODEPOINT, IE) |= enabled_pins;
}
开发者ID:CMUAbstract，项目名称:edb-firmware，代码行数:14，代码来源:codepoint.c
示例18: configure_hdmi
static void configure_hdmi(void)
{
rk808_configure_switch(2, 1); /* VCC18_LCD (HDMI_AVDD_1V8) */
rk808_configure_ldo(7, 1000); /* VDD10_LCD (HDMI_AVDD_1V0) */
/* set POWER_HDMI_EN */
switch (board_id()) {
case 0:
gpio_output(GPIO(7, A, 2), 1);
break;
default:
gpio_output(GPIO(5, C, 3), 1);
break;
}
}
开发者ID:AdriDlu，项目名称:coreboot，代码行数:15，代码来源:mainboard.c
示例19: fill_lb_gpios
void fill_lb_gpios(struct lb_gpios *gpios)
{
int count = 0;
/* Write Protect: active low */
gpios->gpios[count].port = GPIO_R1_INDEX;
gpios->gpios[count].polarity = ACTIVE_LOW;
gpios->gpios[count].value = gpio_get_in_value(GPIO(R1));
strncpy((char *)gpios->gpios[count].name, "write protect",
GPIO_MAX_NAME_LENGTH);
count++;
/* Recovery: active high */
gpios->gpios[count].port = -1;
gpios->gpios[count].polarity = ACTIVE_HIGH;
gpios->gpios[count].value = get_recovery_mode_switch();
strncpy((char *)gpios->gpios[count].name, "recovery",
GPIO_MAX_NAME_LENGTH);
count++;
/* Lid: active high */
gpios->gpios[count].port = GPIO_R4_INDEX;
gpios->gpios[count].polarity = ACTIVE_HIGH;
gpios->gpios[count].value = gpio_get_in_value(GPIO(R4));
strncpy((char *)gpios->gpios[count].name, "lid", GPIO_MAX_NAME_LENGTH);
count++;
/* Power: active low */
gpios->gpios[count].port = GPIO_Q0_INDEX;
gpios->gpios[count].polarity = ACTIVE_LOW;
gpios->gpios[count].value = gpio_get_in_value(GPIO(Q0));
strncpy((char *)gpios->gpios[count].name, "power",
GPIO_MAX_NAME_LENGTH);
count++;
/* Developer: virtual GPIO active high */
gpios->gpios[count].port = -1;
gpios->gpios[count].polarity = ACTIVE_HIGH;
gpios->gpios[count].value = get_developer_mode_switch();
strncpy((char *)gpios->gpios[count].name, "developer",
GPIO_MAX_NAME_LENGTH);
count++;
gpios->size = sizeof(*gpios) + (count * sizeof(struct lb_gpio));
gpios->count = count;
printk(BIOS_ERR, "Added %d GPIOS size %d\n", count, gpios->size);
}
开发者ID:kmalkki，项目名称:coreboot，代码行数:48，代码来源:chromeos.c
示例20: bootblock_mainboard_init
void bootblock_mainboard_init(void)
{
if (rkclk_was_watchdog_reset())
reboot_from_watchdog();
gpio_output(GPIO(0, B, 3), 1); /* Power LED */
/* Up VDD_CPU (BUCK1) to 1.4V to support max CPU frequency (1.8GHz). */
setbits_le32(&rk3288_pmu->iomux_i2c0scl, IOMUX_I2C0SCL);
setbits_le32(&rk3288_pmu->iomux_i2c0sda, IOMUX_I2C0SDA);
assert(CONFIG_PMIC_BUS == 0); /* must correspond with IOMUX */
i2c_init(CONFIG_PMIC_BUS, 400*KHz);
/* Slowly raise to max CPU voltage to prevent overshoot */
rk808_configure_buck(1, 1200);
udelay(175);/* Must wait for voltage to stabilize,2mV/us */
rk808_configure_buck(1, 1400);
udelay(100);/* Must wait for voltage to stabilize,2mV/us */
rkclk_configure_cpu(APLL_1800_MHZ);
/* i2c1 for tpm */
write32(&rk3288_grf->iomux_i2c1, IOMUX_I2C1);
i2c_init(1, 400*KHz);
/* spi2 for firmware ROM */
write32(&rk3288_grf->iomux_spi2csclk, IOMUX_SPI2_CSCLK);
write32(&rk3288_grf->iomux_spi2txrx, IOMUX_SPI2_TXRX);
rockchip_spi_init(CONFIG_BOOT_MEDIA_SPI_BUS, 24750*KHz);
setup_chromeos_gpios();
}
开发者ID:AdriDlu，项目名称:coreboot，代码行数:31，代码来源:bootblock.c
注：本文中的GPIO函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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