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drivers/esp_hosted: Fix pin IRQ. 

This patch reinstalls the pin IRQ handler on WiFi init, as some
ports disable/remove pin IRQs on soft-reboot, or deinit the pins.

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
This commit is contained in:
iabdalkader 2023-09-20 14:41:01 +02:00
parent 977dc9a369
commit 379b583b2f
4 changed files with 55 additions and 38 deletions
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86
drivers/esp-hosted/esp_hosted_hal.c
View File

@ -41,12 +41,9 @@
#include "esp_hosted_hal.h"
#include "esp_hosted_wifi.h"
#ifndef MICROPY_HW_WIFI_IRQ
#define MICROPY_HW_WIFI_IRQ MICROPY_HW_WIFI_HANDSHAKE
#endif
extern void mod_network_poll_events(void);
STATIC mp_obj_t esp_hosted_pin_irq_callback(mp_obj_t self_in) {
extern void mod_network_poll_events(void);
mod_network_poll_events();
return mp_const_none;
}
@ -64,34 +61,16 @@ MP_WEAK int esp_hosted_hal_init(uint32_t mode) {
mp_hal_pin_input(MICROPY_HW_WIFI_HANDSHAKE);
mp_hal_pin_input(MICROPY_HW_WIFI_DATAREADY);
// Enable Pin-IRQ for the handshake PIN to call esp_hosted_wifi_poll()
mp_obj_t irq_rising_attr[2];
mp_load_method_maybe((mp_obj_t)MICROPY_HW_WIFI_IRQ, MP_QSTR_IRQ_RISING, irq_rising_attr);
if (irq_rising_attr[0] != MP_OBJ_NULL && irq_rising_attr[1] == MP_OBJ_NULL) { // value for IRQ rising found
mp_obj_t pin_args[] = {
NULL, // Method pointer
(mp_obj_t)MICROPY_HW_WIFI_IRQ, // Pin object
(mp_obj_t)&esp_hosted_pin_irq_callback_obj, // Callback function object
NULL, // The Rising edge value is set below.
mp_const_true, // Hard IRQ, since the actual polling is scheduled.
};
pin_args[3] = irq_rising_attr[0];
mp_load_method_maybe((mp_obj_t)MICROPY_HW_WIFI_IRQ, MP_QSTR_irq, pin_args);
if (pin_args[0] != MP_OBJ_NULL && pin_args[1] != MP_OBJ_NULL) {
mp_call_method_n_kw(3, 0, pin_args);
}
}
// Initialize SPI.
mp_obj_t args[] = {
MP_OBJ_NEW_SMALL_INT(MICROPY_HW_WIFI_SPI_ID),
MP_OBJ_NEW_SMALL_INT(MICROPY_HW_WIFI_SPI_BAUDRATE),
MP_OBJ_NEW_QSTR(MP_QSTR_phase), MP_OBJ_NEW_SMALL_INT(0),
MP_OBJ_NEW_QSTR(MP_QSTR_polarity), MP_OBJ_NEW_SMALL_INT(1),
};
MP_STATE_PORT(mp_wifi_spi) =
MP_OBJ_TYPE_GET_SLOT(&machine_spi_type, make_new)((mp_obj_t)&machine_spi_type, 2, 1, args);
MP_OBJ_TYPE_GET_SLOT(&machine_spi_type, make_new)((mp_obj_t)&machine_spi_type, 2, 2, args);
// SPI might change the direction/mode of CS pin,
// set it to GPIO again just in case.
@ -101,16 +80,8 @@ MP_WEAK int esp_hosted_hal_init(uint32_t mode) {
}
MP_WEAK int esp_hosted_hal_deinit(void) {
// Disable Pin-IRQ for the handshake PIN
mp_obj_t pin_args[] = {
NULL, // Method pointer
(mp_obj_t)MICROPY_HW_WIFI_IRQ, // Pin object
mp_const_none // Set to None
};
mp_load_method_maybe((mp_obj_t)MICROPY_HW_WIFI_IRQ, MP_QSTR_irq, pin_args);
if (pin_args[0] && pin_args[1]) {
mp_call_method_n_kw(1, 0, pin_args);
}
// Disable pin IRQ.
esp_hosted_hal_irq_enable(false);
// Remove all network interfaces and reset wifi state.
esp_hosted_wifi_deinit();
@ -134,6 +105,43 @@ MP_WEAK int esp_hosted_hal_deinit(void) {
return 0;
}
MP_WEAK void esp_hosted_hal_irq_enable(bool enable) {
#ifdef MICROPY_HW_WIFI_IRQ_PIN
// Disable Pin-IRQ for the handshake PIN
mp_obj_t pin_args[] = {
NULL, // Method pointer
(mp_obj_t)MICROPY_HW_WIFI_IRQ_PIN, // Pin object
mp_const_none // Set to None
};
mp_load_method_maybe((mp_obj_t)MICROPY_HW_WIFI_IRQ_PIN, MP_QSTR_irq, pin_args);
if (pin_args[0] && pin_args[1]) {
mp_call_method_n_kw(1, 0, pin_args);
}
if (enable) {
// Enable Pin-IRQ for the handshake PIN to call esp_hosted_wifi_poll()
mp_obj_t irq_rising_attr[2];
mp_load_method_maybe((mp_obj_t)MICROPY_HW_WIFI_IRQ_PIN, MP_QSTR_IRQ_RISING, irq_rising_attr);
if (irq_rising_attr[0] != MP_OBJ_NULL && irq_rising_attr[1] == MP_OBJ_NULL) {
// value for IRQ rising found
mp_obj_t pin_args[] = {
NULL, // Method pointer
(mp_obj_t)MICROPY_HW_WIFI_IRQ_PIN, // Pin object
(mp_obj_t)&esp_hosted_pin_irq_callback_obj, // Callback function object
NULL, // The Rising edge value is set below.
mp_const_true, // Hard IRQ, since the actual polling is scheduled.
};
pin_args[3] = irq_rising_attr[0];
mp_load_method_maybe((mp_obj_t)MICROPY_HW_WIFI_IRQ_PIN, MP_QSTR_irq, pin_args);
if (pin_args[0] != MP_OBJ_NULL && pin_args[1] != MP_OBJ_NULL) {
mp_call_method_n_kw(3, 0, pin_args);
}
}
}
#endif
}
MP_WEAK int esp_hosted_hal_atomic_enter(void) {
#if MICROPY_ENABLE_SCHEDULER
mp_sched_lock();
@ -149,7 +157,7 @@ MP_WEAK int esp_hosted_hal_atomic_exit(void) {
}
MP_WEAK bool esp_hosted_hal_data_ready(void) {
return mp_hal_pin_read(MICROPY_HW_WIFI_DATAREADY) && mp_hal_pin_read(MICROPY_HW_WIFI_HANDSHAKE);
return mp_hal_pin_read(MICROPY_HW_WIFI_DATAREADY);
}
MP_WEAK int esp_hosted_hal_spi_transfer(const uint8_t *tx_buf, uint8_t *rx_buf, uint32_t size) {
@ -158,7 +166,8 @@ MP_WEAK int esp_hosted_hal_spi_transfer(const uint8_t *tx_buf, uint8_t *rx_buf,
// Wait for handshake pin to go high.
for (mp_uint_t start = mp_hal_ticks_ms(); ; mp_hal_delay_ms(1)) {
if (mp_hal_pin_read(MICROPY_HW_WIFI_HANDSHAKE)) {
if (mp_hal_pin_read(MICROPY_HW_WIFI_HANDSHAKE) &&
(rx_buf == NULL || mp_hal_pin_read(MICROPY_HW_WIFI_DATAREADY))) {
break;
}
if ((mp_hal_ticks_ms() - start) >= 1000) {
@ -171,6 +180,11 @@ MP_WEAK int esp_hosted_hal_spi_transfer(const uint8_t *tx_buf, uint8_t *rx_buf,
mp_hal_delay_us(10);
spi_proto->transfer(mp_wifi_spi, size, tx_buf, rx_buf);
mp_hal_pin_write(MICROPY_HW_WIFI_SPI_CS, 1);
mp_hal_delay_us(100);
if (esp_hosted_hal_data_ready()) {
mod_network_poll_events();
}
return 0;
}

1
drivers/esp-hosted/esp_hosted_hal.h
View File

@ -68,6 +68,7 @@ typedef enum {
// Note A default machine-based implementation is provided in esp_hosted_hal.c.
int esp_hosted_hal_init(uint32_t mode);
int esp_hosted_hal_deinit(void);
void esp_hosted_hal_irq_enable(bool enable);
bool esp_hosted_hal_data_ready(void);
int esp_hosted_hal_atomic_enter(void);
int esp_hosted_hal_atomic_exit(void);

2
drivers/esp-hosted/esp_hosted_internal.h
View File

@ -29,8 +29,6 @@
#ifndef MICROPY_INCLUDED_DRIVERS_ESP_HOSTED_INTERNAL_H
#define MICROPY_INCLUDED_DRIVERS_ESP_HOSTED_INTERNAL_H
#define ESP_HOSTED_DEBUG (0)
#define ESP_FRAME_MAX_SIZE (1600)
#define ESP_FRAME_MAX_PAYLOAD (ESP_FRAME_MAX_SIZE - sizeof(esp_header_t))
#define ESP_FRAME_FLAGS_FRAGMENT (1 << 0)

4
drivers/esp-hosted/esp_hosted_wifi.c
View File

@ -476,6 +476,10 @@ int esp_hosted_wifi_init(uint32_t itf) {
esp_hosted_netif_init(&esp_state, itf);
info_printf("esp_hosted_init() initialized itf %lu\n", itf);
}
// Re/enable IRQ pin.
esp_hosted_hal_irq_enable(true);
return 0;
}