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stm32: Add analog switches configuration. #12706

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Merged
merged 1 commit into from
Nov 3, 2023
Merged

stm32: Add analog switches configuration. #12706

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6 changes: 6 additions & 0 deletions ports/stm32/boards/ARDUINO_GIGA/mpconfigboard.h
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Original file line number Diff line number Diff line change
Expand Up @@ -104,6 +104,12 @@ void GIGA_board_low_power(int mode);
// SMPS configuration
#define MICROPY_HW_PWR_SMPS_CONFIG (PWR_LDO_SUPPLY)

// Configure the analog switches for dual-pad pins.
#define MICROPY_HW_ANALOG_SWITCH_PA0 (SYSCFG_SWITCH_PA0_OPEN)
#define MICROPY_HW_ANALOG_SWITCH_PA1 (SYSCFG_SWITCH_PA1_OPEN)
#define MICROPY_HW_ANALOG_SWITCH_PC2 (SYSCFG_SWITCH_PC2_OPEN)
#define MICROPY_HW_ANALOG_SWITCH_PC3 (SYSCFG_SWITCH_PC3_OPEN)

// There is an external 32kHz oscillator
#define RTC_ASYNCH_PREDIV (0)
#define RTC_SYNCH_PREDIV (0x7fff)
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5 changes: 0 additions & 5 deletions ports/stm32/boards/ARDUINO_NICLA_VISION/board_init.c
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Expand Up @@ -65,11 +65,6 @@ void NICLAV_board_early_init(void) {
}
#endif

// Make sure PC2 and PC3 and PC2_C and PC3_C pads are connected
// through the analog switch for ULPI NXT and DIR pins.
HAL_SYSCFG_AnalogSwitchConfig(SYSCFG_SWITCH_PC2, SYSCFG_SWITCH_PC2_CLOSE);
HAL_SYSCFG_AnalogSwitchConfig(SYSCFG_SWITCH_PC3, SYSCFG_SWITCH_PC3_CLOSE);

#if MICROPY_HW_USB_HS_ULPI3320
// Make sure UPLI is Not in low-power mode.
ulpi_leave_low_power();
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7 changes: 7 additions & 0 deletions ports/stm32/boards/ARDUINO_NICLA_VISION/mpconfigboard.h
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Expand Up @@ -107,6 +107,13 @@ void NICLAV_board_osc_enable(int enable);
// SMPS configuration
#define MICROPY_HW_PWR_SMPS_CONFIG (PWR_LDO_SUPPLY)

// Configure the analog switches for dual-pad pins.
#define MICROPY_HW_ANALOG_SWITCH_PA0 (SYSCFG_SWITCH_PA0_OPEN)
#define MICROPY_HW_ANALOG_SWITCH_PA1 (SYSCFG_SWITCH_PA1_OPEN)
// PC2_C and PC3_C, which are connected to ULPI NXT and DIR pins.
#define MICROPY_HW_ANALOG_SWITCH_PC2 (SYSCFG_SWITCH_PC2_CLOSE)
#define MICROPY_HW_ANALOG_SWITCH_PC3 (SYSCFG_SWITCH_PC3_CLOSE)

// There is an external 32kHz oscillator
#define RTC_ASYNCH_PREDIV (0)
#define RTC_SYNCH_PREDIV (0x7fff)
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6 changes: 6 additions & 0 deletions ports/stm32/boards/ARDUINO_PORTENTA_H7/mpconfigboard.h
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Expand Up @@ -109,6 +109,12 @@ void PORTENTA_board_osc_enable(int enable);
// SMPS configuration
#define MICROPY_HW_PWR_SMPS_CONFIG (PWR_SMPS_1V8_SUPPLIES_LDO)

// Configure the analog switches for dual-pad pins.
#define MICROPY_HW_ANALOG_SWITCH_PA0 (SYSCFG_SWITCH_PA0_OPEN)
#define MICROPY_HW_ANALOG_SWITCH_PA1 (SYSCFG_SWITCH_PA1_OPEN)
#define MICROPY_HW_ANALOG_SWITCH_PC2 (SYSCFG_SWITCH_PC2_OPEN)
#define MICROPY_HW_ANALOG_SWITCH_PC3 (SYSCFG_SWITCH_PC3_OPEN)

// There is an external 32kHz oscillator
#define RTC_ASYNCH_PREDIV (0)
#define RTC_SYNCH_PREDIV (0x7fff)
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14 changes: 14 additions & 0 deletions ports/stm32/system_stm32.c
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Expand Up @@ -587,6 +587,20 @@ MP_WEAK void SystemClock_Config(void) {
// Enable the Debug Module in low-power modes.
DBGMCU->CR |= (DBGMCU_CR_DBG_SLEEPD1 | DBGMCU_CR_DBG_STOPD1 | DBGMCU_CR_DBG_STANDBYD1);
#endif

// Configure the analog switches
#ifdef MICROPY_HW_ANALOG_SWITCH_PA0
HAL_SYSCFG_AnalogSwitchConfig(SYSCFG_SWITCH_PA0, MICROPY_HW_ANALOG_SWITCH_PA0);
#endif
#ifdef MICROPY_HW_ANALOG_SWITCH_PA1
HAL_SYSCFG_AnalogSwitchConfig(SYSCFG_SWITCH_PA1, MICROPY_HW_ANALOG_SWITCH_PA1);
#endif
#ifdef MICROPY_HW_ANALOG_SWITCH_PC2
HAL_SYSCFG_AnalogSwitchConfig(SYSCFG_SWITCH_PC2, MICROPY_HW_ANALOG_SWITCH_PC2);
#endif
#ifdef MICROPY_HW_ANALOG_SWITCH_PC3
HAL_SYSCFG_AnalogSwitchConfig(SYSCFG_SWITCH_PC3, MICROPY_HW_ANALOG_SWITCH_PC3);
#endif
}

#endif
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