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alif/boards/ALIF_ENSEMBLE: Add an off-profile.

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The buttons can now wake the device from deepsleep.

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2026-02-26 15:50:38 +11:00
parent 58d2610d29
commit 04bf83543b
1 changed files with 33 additions and 0 deletions
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33
ports/alif/boards/ALIF_ENSEMBLE/board.c
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@@ -27,6 +27,7 @@
#include "py/mphal.h"
#include "ospi_ext.h"
#include "ospi_flash.h"
#include "se_services.h"
const ospi_pin_settings_t ospi_pin_settings = {
.peripheral_number = 1,
@@ -56,6 +57,38 @@ const ospi_flash_settings_t ospi_flash_settings[] = {
const size_t ospi_flash_settings_len = 1;
void board_early_init(void) {
// Set default off profile
off_profile_t off_profile = {
.dcdc_mode = DCDC_MODE_PWM,
.dcdc_voltage = DCDC_VOUT_0825,
// CLK_SRC_LFRC or CLK_SRC_LFXO
.aon_clk_src = CLK_SRC_LFXO,
// CLK_SRC_HFRC, CLK_SRC_HFXO or CLK_SRC_PLL
.stby_clk_src = CLK_SRC_HFRC,
.stby_clk_freq = SCALED_FREQ_RC_STDBY_76_8_MHZ,
// Disable all power domains except AON.
.power_domains = PD_VBAT_AON_MASK,
// Keep SERAM, MRAM and backup SRAM on.
// (SRAM0 also needs to stay on because it's used for .bss.sram0 which is zerod
// by the runtime before the run profile is configured.)
.memory_blocks = SERAM_MASK | SRAM0_MASK | MRAM_MASK | BACKUP4K_MASK,
// Gate the clocks of IP blocks.
.ip_clock_gating = 0x3ffb,
// Gate PHY power (saves 0.5uA).
.phy_pwr_gating = LDO_PHY_MASK | USB_PHY_MASK | MIPI_TX_DPHY_MASK | MIPI_RX_DPHY_MASK |
MIPI_PLL_DPHY_MASK,
.vdd_ioflex_3V3 = IOFLEX_LEVEL_3V3,
.vtor_address = SCB->VTOR,
.vtor_address_ns = SCB->VTOR,
// Configure wake-up sources.
.ewic_cfg = EWIC_VBAT_GPIO | EWIC_RTC_A,
.wakeup_events = WE_LPGPIO7 | WE_LPGPIO6 | WE_LPGPIO5 | WE_LPGPIO4 | WE_LPRTC,
};
if (se_services_set_off_profile(&off_profile)) {
MICROPY_BOARD_FATAL_ERROR("se_services_set_off_profile");
}
// Configure the joystick buttons as an input with pull-up enabled.
mp_hal_pin_config(pin_JOY_LEFT, MP_HAL_PIN_MODE_INPUT, MP_HAL_PIN_PULL_UP, 0, 0, 0, true);
mp_hal_pin_config(pin_JOY_RIGHT, MP_HAL_PIN_MODE_INPUT, MP_HAL_PIN_PULL_UP, 0, 0, 0, true);