djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #7345 from dhalbert/mimx-fix-build

Browse Source 
redo pin never resetting for mimxrt10xx
This commit is contained in:
Scott Shawcroft 2022-12-15 12:21:21 -08:00 committed by GitHub
commit c6ea3e803a
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
12 changed files with 218 additions and 166 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
ports/mimxrt10xx/boards/feather_m7_1011/board.c
View File

@ -26,21 +26,23 @@
*/ */
#include "supervisor/board.h" #include "supervisor/board.h"
#include "boards/flash_config.h"
#include "mpconfigboard.h"
#include "shared-bindings/microcontroller/Pin.h" #include "shared-bindings/microcontroller/Pin.h"
void board_init(void) { // These pins should never ever be reset; doing so could interfere with basic operation.
// SWD Pins // Used in common-hal/microcontroller/Pin.c
common_hal_never_reset_pin(&pin_GPIO_AD_13);// SWDIO const mcu_pin_obj_t *mimxrt10xx_reset_forbidden_pins[] = {
common_hal_never_reset_pin(&pin_GPIO_AD_12);// SWCLK &pin_GPIO_AD_13,// SWDIO
&pin_GPIO_AD_12,// SWCLK
// FLEX flash // FLEX flash
common_hal_never_reset_pin(&pin_GPIO_SD_12); &pin_GPIO_SD_12,
common_hal_never_reset_pin(&pin_GPIO_SD_11); &pin_GPIO_SD_11,
common_hal_never_reset_pin(&pin_GPIO_SD_10); &pin_GPIO_SD_10,
common_hal_never_reset_pin(&pin_GPIO_SD_09); &pin_GPIO_SD_09,
common_hal_never_reset_pin(&pin_GPIO_SD_08); &pin_GPIO_SD_08,
common_hal_never_reset_pin(&pin_GPIO_SD_07); &pin_GPIO_SD_07,
common_hal_never_reset_pin(&pin_GPIO_SD_06); &pin_GPIO_SD_06,
} NULL, // Must end in NULL.
};
// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.

28
ports/mimxrt10xx/boards/feather_mimxrt1011/board.c
View File

@ -26,23 +26,23 @@
*/ */
#include "supervisor/board.h" #include "supervisor/board.h"
#include "boards/flash_config.h"
#include "mpconfigboard.h"
#include "shared-bindings/microcontroller/Pin.h" #include "shared-bindings/microcontroller/Pin.h"
void board_init(void) { // These pins should never ever be reset; doing so could interfere with basic operation.
// SWD Pins // Used in common-hal/microcontroller/Pin.c
common_hal_never_reset_pin(&pin_GPIO_AD_13);// SWDIO const mcu_pin_obj_t *mimxrt10xx_reset_forbidden_pins[] = {
common_hal_never_reset_pin(&pin_GPIO_AD_12);// SWCLK &pin_GPIO_AD_13,// SWDIO
&pin_GPIO_AD_12,// SWCLK
// FLEX flash // FLEX flash
common_hal_never_reset_pin(&pin_GPIO_SD_12); &pin_GPIO_SD_12,
common_hal_never_reset_pin(&pin_GPIO_SD_11); &pin_GPIO_SD_11,
common_hal_never_reset_pin(&pin_GPIO_SD_10); &pin_GPIO_SD_10,
common_hal_never_reset_pin(&pin_GPIO_SD_09); &pin_GPIO_SD_09,
common_hal_never_reset_pin(&pin_GPIO_SD_08); &pin_GPIO_SD_08,
common_hal_never_reset_pin(&pin_GPIO_SD_07); &pin_GPIO_SD_07,
common_hal_never_reset_pin(&pin_GPIO_SD_06); &pin_GPIO_SD_06,
} NULL, // Must end in NULL.
};
// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here. // Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.

25
ports/mimxrt10xx/boards/feather_mimxrt1062/board.c
View File

@ -26,22 +26,23 @@
*/ */
#include "supervisor/board.h" #include "supervisor/board.h"
#include "boards/flash_config.h"
#include "mpconfigboard.h"
#include "shared-bindings/microcontroller/Pin.h" #include "shared-bindings/microcontroller/Pin.h"
void board_init(void) { // These pins should never ever be reset; doing so could interfere with basic operation.
// Used in common-hal/microcontroller/Pin.c
const mcu_pin_obj_t *mimxrt10xx_reset_forbidden_pins[] = {
// SWD Pins // SWD Pins
common_hal_never_reset_pin(&pin_GPIO_AD_B0_06);// SWDIO &pin_GPIO_AD_B0_06,// SWDIO
common_hal_never_reset_pin(&pin_GPIO_AD_B0_07);// SWCLK &pin_GPIO_AD_B0_07,// SWCLK
// FLEX flash // FLEX flash
common_hal_never_reset_pin(&pin_GPIO_SD_B1_06); &pin_GPIO_SD_B1_06,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_07); &pin_GPIO_SD_B1_07,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_08); &pin_GPIO_SD_B1_08,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_09); &pin_GPIO_SD_B1_09,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_10); &pin_GPIO_SD_B1_10,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_11); &pin_GPIO_SD_B1_11,
} NULL, // Must end in NULL.
};
// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here. // Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.

32
ports/mimxrt10xx/boards/imxrt1010_evk/board.c
View File

@ -26,25 +26,25 @@
*/ */
#include "supervisor/board.h" #include "supervisor/board.h"
#include "boards/flash_config.h"
#include "mpconfigboard.h"
#include "shared-bindings/microcontroller/Pin.h" #include "shared-bindings/microcontroller/Pin.h"
void board_init(void) { // These pins should never ever be reset; doing so could interfere with basic operation.
// SWD Pins // Used in common-hal/microcontroller/Pin.c
common_hal_never_reset_pin(&pin_GPIO_AD_13); // SWDIO const mcu_pin_obj_t *mimxrt10xx_reset_forbidden_pins[] = {
common_hal_never_reset_pin(&pin_GPIO_AD_12); // SWCLK &pin_GPIO_AD_13, // SWDIO
&pin_GPIO_AD_12, // SWCLK
// FLEX flash // FLEX flash
common_hal_never_reset_pin(&pin_GPIO_SD_12); &pin_GPIO_SD_12,
common_hal_never_reset_pin(&pin_GPIO_SD_11); &pin_GPIO_SD_11,
common_hal_never_reset_pin(&pin_GPIO_SD_10); &pin_GPIO_SD_10,
common_hal_never_reset_pin(&pin_GPIO_SD_09); &pin_GPIO_SD_09,
common_hal_never_reset_pin(&pin_GPIO_SD_08); &pin_GPIO_SD_08,
common_hal_never_reset_pin(&pin_GPIO_SD_07); &pin_GPIO_SD_07,
common_hal_never_reset_pin(&pin_GPIO_SD_06); &pin_GPIO_SD_06,
// USB Pins // USB Pins
common_hal_never_reset_pin(&pin_GPIO_12); &pin_GPIO_12,
common_hal_never_reset_pin(&pin_GPIO_13); &pin_GPIO_13,
} NULL, // Must end in NULL.
};
// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here. // Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.

29
ports/mimxrt10xx/boards/imxrt1020_evk/board.c
View File

@ -26,26 +26,27 @@
*/ */
#include "supervisor/board.h" #include "supervisor/board.h"
#include "boards/flash_config.h"
#include "mpconfigboard.h"
#include "shared-bindings/microcontroller/Pin.h" #include "shared-bindings/microcontroller/Pin.h"
void board_init(void) { // These pins should never ever be reset; doing so could interfere with basic operation.
// Used in common-hal/microcontroller/Pin.c
const mcu_pin_obj_t *mimxrt10xx_reset_forbidden_pins[] = {
// SWD Pins // SWD Pins
common_hal_never_reset_pin(&pin_GPIO_AD_B0_00);// SWDIO &pin_GPIO_AD_B0_00,// SWDIO
common_hal_never_reset_pin(&pin_GPIO_AD_B0_01);// SWCLK &pin_GPIO_AD_B0_01,// SWCLK
// FLEX flash // FLEX flash
common_hal_never_reset_pin(&pin_GPIO_SD_B1_06); &pin_GPIO_SD_B1_06,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_07); &pin_GPIO_SD_B1_07,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_08); &pin_GPIO_SD_B1_08,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_09); &pin_GPIO_SD_B1_09,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_10); &pin_GPIO_SD_B1_10,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_11); &pin_GPIO_SD_B1_11,
// USB Pins // USB Pins
common_hal_never_reset_pin(&pin_GPIO_AD_B1_11); &pin_GPIO_AD_B1_11,
common_hal_never_reset_pin(&pin_GPIO_AD_B1_12); &pin_GPIO_AD_B1_12,
} NULL, // Must end in NULL.
};
// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here. // Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.

43
ports/mimxrt10xx/boards/imxrt1060_evk/board.c
View File

@ -26,30 +26,33 @@
*/ */
#include "supervisor/board.h" #include "supervisor/board.h"
#include "boards/flash_config.h"
#include "mpconfigboard.h"
#include "shared-bindings/microcontroller/Pin.h" #include "shared-bindings/microcontroller/Pin.h"
void board_init(void) { // These pins should never ever be reset; doing so could interfere with basic operation.
// Used in common-hal/microcontroller/Pin.c
const mcu_pin_obj_t *mimxrt10xx_reset_forbidden_pins[] = {
// SWD Pins // SWD Pins
common_hal_never_reset_pin(&pin_GPIO_AD_B0_06);// SWDIO &pin_GPIO_AD_B0_06, // SWDIO
common_hal_never_reset_pin(&pin_GPIO_AD_B0_07);// SWCLK &pin_GPIO_AD_B0_07, // SWCLK
// FLEX flash // FLEX flash
common_hal_never_reset_pin(&pin_GPIO_SD_B1_00); &pin_GPIO_SD_B1_00,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_01); &pin_GPIO_SD_B1_01,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_02); &pin_GPIO_SD_B1_02,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_03); &pin_GPIO_SD_B1_03,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_04); &pin_GPIO_SD_B1_04,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_05); &pin_GPIO_SD_B1_05,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_06); &pin_GPIO_SD_B1_06,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_07); &pin_GPIO_SD_B1_07,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_08); &pin_GPIO_SD_B1_08,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_09); &pin_GPIO_SD_B1_09,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_10); &pin_GPIO_SD_B1_10,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_11); &pin_GPIO_SD_B1_11,
// USB Pins // USB Pins
common_hal_never_reset_pin(&pin_GPIO_AD_B0_01); &pin_GPIO_AD_B0_01,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_03); &pin_GPIO_AD_B0_03,
} NULL, // Must end in NULL.
};
// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.

27
ports/mimxrt10xx/boards/metro_m7_1011/board.c
View File

@ -26,23 +26,24 @@
*/ */
#include "supervisor/board.h" #include "supervisor/board.h"
#include "boards/flash_config.h"
#include "mpconfigboard.h"
#include "shared-bindings/microcontroller/Pin.h" #include "shared-bindings/microcontroller/Pin.h"
void board_init(void) { // These pins should never ever be reset; doing so could interfere with basic operation.
// Used in common-hal/microcontroller/Pin.c
const mcu_pin_obj_t *mimxrt10xx_reset_forbidden_pins[] = {
// SWD Pins // SWD Pins
common_hal_never_reset_pin(&pin_GPIO_AD_13);// SWDIO &pin_GPIO_AD_13,// SWDIO
common_hal_never_reset_pin(&pin_GPIO_AD_12);// SWCLK &pin_GPIO_AD_12,// SWCLK
// FLEX flash // FLEX flash
common_hal_never_reset_pin(&pin_GPIO_SD_12); &pin_GPIO_SD_12,
common_hal_never_reset_pin(&pin_GPIO_SD_11); &pin_GPIO_SD_11,
common_hal_never_reset_pin(&pin_GPIO_SD_10); &pin_GPIO_SD_10,
common_hal_never_reset_pin(&pin_GPIO_SD_09); &pin_GPIO_SD_09,
common_hal_never_reset_pin(&pin_GPIO_SD_08); &pin_GPIO_SD_08,
common_hal_never_reset_pin(&pin_GPIO_SD_07); &pin_GPIO_SD_07,
common_hal_never_reset_pin(&pin_GPIO_SD_06); &pin_GPIO_SD_06,
} NULL, // Must end in NULL.
};
// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here. // Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.

42
ports/mimxrt10xx/boards/sparkfun_teensy_micromod/board.c
View File

@ -26,31 +26,31 @@
*/ */
#include "supervisor/board.h" #include "supervisor/board.h"
#include "boards/flash_config.h"
#include "mpconfigboard.h"
#include "shared-bindings/microcontroller/Pin.h" #include "shared-bindings/microcontroller/Pin.h"
void board_init(void) { // These pins should never ever be reset; doing so could interfere with basic operation.
// FLEX flash // Used in common-hal/microcontroller/Pin.c
common_hal_never_reset_pin(&pin_GPIO_SD_B1_06); const mcu_pin_obj_t *mimxrt10xx_reset_forbidden_pins[] = {
common_hal_never_reset_pin(&pin_GPIO_SD_B1_07); &pin_GPIO_SD_B1_06,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_08); &pin_GPIO_SD_B1_07,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_09); &pin_GPIO_SD_B1_08,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_10); &pin_GPIO_SD_B1_09,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_11); &pin_GPIO_SD_B1_10,
&pin_GPIO_SD_B1_11,
// FLEX flash 2 // FLEX flash 2
common_hal_never_reset_pin(&pin_GPIO_AD_B0_04); &pin_GPIO_AD_B0_04,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_06); &pin_GPIO_AD_B0_06,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_07); &pin_GPIO_AD_B0_07,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_08); &pin_GPIO_AD_B0_08,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_09); &pin_GPIO_AD_B0_09,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_10); &pin_GPIO_AD_B0_10,
common_hal_never_reset_pin(&pin_GPIO_EMC_01); &pin_GPIO_EMC_01,
common_hal_never_reset_pin(&pin_GPIO_B0_13); &pin_GPIO_B0_13,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_11); &pin_GPIO_AD_B0_11,
// Data strobe needs protection despite being grounded // Data strobe needs protection despite being grounded
common_hal_never_reset_pin(&pin_GPIO_SD_B1_05); &pin_GPIO_SD_B1_05,
} NULL, // Must end in NULL.
};
// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here. // Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.

41
ports/mimxrt10xx/boards/teensy40/board.c
View File

@ -26,31 +26,32 @@
*/ */
#include "supervisor/board.h" #include "supervisor/board.h"
#include "boards/flash_config.h"
#include "mpconfigboard.h"
#include "shared-bindings/microcontroller/Pin.h" #include "shared-bindings/microcontroller/Pin.h"
void board_init(void) { // These pins should never ever be reset; doing so could interfere with basic operation.
// Used in common-hal/microcontroller/Pin.c
const mcu_pin_obj_t *mimxrt10xx_reset_forbidden_pins[] = {
// FLEX flash // FLEX flash
common_hal_never_reset_pin(&pin_GPIO_SD_B1_06); &pin_GPIO_SD_B1_06,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_07); &pin_GPIO_SD_B1_07,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_08); &pin_GPIO_SD_B1_08,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_09); &pin_GPIO_SD_B1_09,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_10); &pin_GPIO_SD_B1_10,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_11); &pin_GPIO_SD_B1_11,
// FLEX flash 2 // FLEX flash 2
common_hal_never_reset_pin(&pin_GPIO_AD_B0_04); &pin_GPIO_AD_B0_04,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_06); &pin_GPIO_AD_B0_06,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_07); &pin_GPIO_AD_B0_07,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_08); &pin_GPIO_AD_B0_08,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_09); &pin_GPIO_AD_B0_09,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_10); &pin_GPIO_AD_B0_10,
common_hal_never_reset_pin(&pin_GPIO_EMC_01); &pin_GPIO_EMC_01,
common_hal_never_reset_pin(&pin_GPIO_B0_13); &pin_GPIO_B0_13,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_11); &pin_GPIO_AD_B0_11,
// Data strobe needs protection despite being grounded // Data strobe needs protection despite being grounded
common_hal_never_reset_pin(&pin_GPIO_SD_B1_05); &pin_GPIO_SD_B1_05,
} NULL, // Must end in NULL.
};
// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here. // Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.

43
ports/mimxrt10xx/boards/teensy41/board.c
View File

@ -26,29 +26,32 @@
*/ */
#include "supervisor/board.h" #include "supervisor/board.h"
#include "boards/flash_config.h"
#include "mpconfigboard.h"
#include "shared-bindings/microcontroller/Pin.h" #include "shared-bindings/microcontroller/Pin.h"
void board_init(void) { // These pins should never ever be reset; doing so could interfere with basic operation.
// Used in common-hal/microcontroller/Pin.c
const mcu_pin_obj_t *mimxrt10xx_reset_forbidden_pins[] = {
// FLEX flash // FLEX flash
common_hal_never_reset_pin(&pin_GPIO_SD_B1_06); &pin_GPIO_SD_B1_06,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_07); &pin_GPIO_SD_B1_07,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_08); &pin_GPIO_SD_B1_08,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_09); &pin_GPIO_SD_B1_09,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_10); &pin_GPIO_SD_B1_10,
common_hal_never_reset_pin(&pin_GPIO_SD_B1_11); &pin_GPIO_SD_B1_11,
// FLEX flash 2 // FLEX flash 2
common_hal_never_reset_pin(&pin_GPIO_AD_B0_04); &pin_GPIO_AD_B0_04,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_06); &pin_GPIO_AD_B0_06,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_07); &pin_GPIO_AD_B0_07,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_08); &pin_GPIO_AD_B0_08,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_09); &pin_GPIO_AD_B0_09,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_10); &pin_GPIO_AD_B0_10,
common_hal_never_reset_pin(&pin_GPIO_EMC_01); &pin_GPIO_EMC_01,
common_hal_never_reset_pin(&pin_GPIO_B0_13); &pin_GPIO_B0_13,
common_hal_never_reset_pin(&pin_GPIO_AD_B0_11); &pin_GPIO_AD_B0_11,
// Data strobe needs protection despite being grounded // Data strobe needs protection despite being grounded
common_hal_never_reset_pin(&pin_GPIO_SD_B1_05); &pin_GPIO_SD_B1_05,
} NULL, // Must end in NULL.
};
// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.

34
ports/mimxrt10xx/common-hal/microcontroller/Pin.c
View File

@ -31,6 +31,22 @@
STATIC bool claimed_pins[IOMUXC_SW_PAD_CTL_PAD_COUNT]; STATIC bool claimed_pins[IOMUXC_SW_PAD_CTL_PAD_COUNT];
STATIC bool never_reset_pins[IOMUXC_SW_PAD_CTL_PAD_COUNT]; STATIC bool never_reset_pins[IOMUXC_SW_PAD_CTL_PAD_COUNT];
// Default is that no pins are forbidden to reset.
MP_WEAK const mcu_pin_obj_t *mimxrt10xx_reset_forbidden_pins[] = {
NULL,
};
STATIC bool _reset_forbidden(const mcu_pin_obj_t *pin) {
const mcu_pin_obj_t **forbidden_pin = &mimxrt10xx_reset_forbidden_pins[0];
while (*forbidden_pin) {
if (pin == *forbidden_pin) {
return true;
}
forbidden_pin++;
}
return false;
}
// There are two numbering systems used here: // There are two numbering systems used here:
// IOMUXC index, used for iterating through pins and accessing reset information, // IOMUXC index, used for iterating through pins and accessing reset information,
// and GPIO port and number, used to store claimed and reset tagging. The two number // and GPIO port and number, used to store claimed and reset tagging. The two number
@ -44,17 +60,31 @@ void reset_all_pins(void) {
if (never_reset_pins[pin->mux_idx]) { if (never_reset_pins[pin->mux_idx]) {
continue; continue;
} }
*(uint32_t *)pin->mux_reg = pin->mux_reset; common_hal_reset_pin(pin);
*(uint32_t *)pin->cfg_reg = pin->pad_reset;
} }
} }
MP_WEAK bool mimxrt10xx_board_reset_pin_number(const mcu_pin_obj_t *pin) {
return false;
}
// Since i.MX pins need extra register and reset information to reset properly, // Since i.MX pins need extra register and reset information to reset properly,
// resetting pins by number alone has been removed. // resetting pins by number alone has been removed.
void common_hal_reset_pin(const mcu_pin_obj_t *pin) { void common_hal_reset_pin(const mcu_pin_obj_t *pin) {
return;
if (pin == NULL) { if (pin == NULL) {
return; return;
} }
if (_reset_forbidden(pin)) {
return;
}
// Give the board a chance to reset the pin in a particular way, or not reset it at all.
if (mimxrt10xx_board_reset_pin_number(pin)) {
return;
}
never_reset_pins[pin->mux_idx] = false; never_reset_pins[pin->mux_idx] = false;
claimed_pins[pin->mux_idx] = false; claimed_pins[pin->mux_idx] = false;
*(uint32_t *)pin->mux_reg = pin->mux_reset; *(uint32_t *)pin->mux_reg = pin->mux_reset;

10
ports/mimxrt10xx/common-hal/microcontroller/Pin.h
View File

@ -35,4 +35,14 @@
void reset_all_pins(void); void reset_all_pins(void);
void claim_pin(const mcu_pin_obj_t *pin); void claim_pin(const mcu_pin_obj_t *pin);
// List of pins that should never be reset.
extern const mcu_pin_obj_t *mimxrt10xx_reset_forbidden_pins[];
// Allow the board to reset a pin in a board-specific way. This can be used
// for LEDs or enable pins to put them in a state beside the default pull-up,
// or to simply not reset the pin at all.
// Return true to indicate that the pin was handled in a special way. Returning false will lead to
// the port-default reset behavior.
extern bool mimxrt10xx_board_reset_pin_number(const mcu_pin_obj_t *pin);
#endif // MICROPY_INCLUDED_MIMXRT10XX_COMMON_HAL_MICROCONTROLLER_PIN_H #endif // MICROPY_INCLUDED_MIMXRT10XX_COMMON_HAL_MICROCONTROLLER_PIN_H