reset wiznet at network deinitialize adafruit/circuitpython#1800
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@ -204,6 +204,7 @@ const mod_network_nic_type_t mod_network_nic_type_wiznet5k = {
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.settimeout = wiznet5k_socket_settimeout,
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.ioctl = wiznet5k_socket_ioctl,
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.timer_tick = wiznet5k_socket_timer_tick,
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.deinit = wiznet5k_socket_deinit,
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};
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#endif // MICROPY_PY_WIZNET5K
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@ -43,6 +43,11 @@ void network_module_init(void) {
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}
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void network_module_deinit(void) {
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for (mp_uint_t i = 0; i < MP_STATE_PORT(mod_network_nic_list).len; i++) {
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mp_obj_t nic = MP_STATE_PORT(mod_network_nic_list).items[i];
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mod_network_nic_type_t *nic_type = (mod_network_nic_type_t*)mp_obj_get_type(nic);
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if (nic_type->deinit != NULL) nic_type->deinit(nic);
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}
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mp_obj_list_set_len(&MP_STATE_PORT(mod_network_nic_list), 0);
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}
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@ -62,6 +62,7 @@ typedef struct _mod_network_nic_type_t {
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int (*settimeout)(struct _mod_network_socket_obj_t *socket, mp_uint_t timeout_ms, int *_errno);
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int (*ioctl)(struct _mod_network_socket_obj_t *socket, mp_uint_t request, mp_uint_t arg, int *_errno);
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void (*timer_tick)(struct _mod_network_socket_obj_t *socket);
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void (*deinit)(struct _mod_network_socket_obj_t *socket);
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} mod_network_nic_type_t;
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typedef struct _mod_network_socket_obj_t {
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@ -357,6 +357,23 @@ bool wiznet5k_check_dhcp(void) {
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return wiznet5k_obj.dhcp_socket >= 0;
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}
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void wiznet5k_reset(void) {
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if (wiznet5k_obj.rst.pin) {
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// hardware reset if using RST pin
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common_hal_digitalio_digitalinout_set_value(&wiznet5k_obj.rst, 0);
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mp_hal_delay_us(10); // datasheet says 2us
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common_hal_digitalio_digitalinout_set_value(&wiznet5k_obj.rst, 1);
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mp_hal_delay_ms(150); // datasheet says 150ms
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} else {
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// otherwise, software reset
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wizchip_sw_reset();
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}
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}
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void wiznet5k_socket_deinit(mod_network_socket_obj_t *socket) {
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wiznet5k_reset();
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}
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/// Create and return a WIZNET5K object.
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mp_obj_t wiznet5k_create(mp_obj_t spi_in, mp_obj_t cs_in, mp_obj_t rst_in) {
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@ -381,14 +398,8 @@ mp_obj_t wiznet5k_create(mp_obj_t spi_in, mp_obj_t cs_in, mp_obj_t rst_in) {
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common_hal_digitalio_digitalinout_construct(&wiznet5k_obj.cs, cs_in);
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common_hal_digitalio_digitalinout_switch_to_output(&wiznet5k_obj.cs, 1, DRIVE_MODE_PUSH_PULL);
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if (rst_in) {
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common_hal_digitalio_digitalinout_construct(&wiznet5k_obj.rst, rst_in);
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common_hal_digitalio_digitalinout_switch_to_output(&wiznet5k_obj.rst, 1, DRIVE_MODE_PUSH_PULL);
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common_hal_digitalio_digitalinout_set_value(&wiznet5k_obj.rst, 0);
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mp_hal_delay_us(10); // datasheet says 2us
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common_hal_digitalio_digitalinout_set_value(&wiznet5k_obj.rst, 1);
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mp_hal_delay_ms(160); // datasheet says 150ms
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}
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if (rst_in) common_hal_digitalio_digitalinout_construct(&wiznet5k_obj.rst, rst_in);
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wiznet5k_reset();
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reg_wizchip_cris_cbfunc(wiz_cris_enter, wiz_cris_exit);
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reg_wizchip_cs_cbfunc(wiz_cs_select, wiz_cs_deselect);
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@ -57,6 +57,7 @@ int wiznet5k_socket_setsockopt(mod_network_socket_obj_t *socket, mp_uint_t level
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int wiznet5k_socket_settimeout(mod_network_socket_obj_t *socket, mp_uint_t timeout_ms, int *_errno);
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int wiznet5k_socket_ioctl(mod_network_socket_obj_t *socket, mp_uint_t request, mp_uint_t arg, int *_errno);
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void wiznet5k_socket_timer_tick(mod_network_socket_obj_t *socket);
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void wiznet5k_socket_deinit(mod_network_socket_obj_t *socket);
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mp_obj_t wiznet5k_socket_disconnect(mp_obj_t self_in);
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mp_obj_t wiznet5k_create(mp_obj_t spi_in, mp_obj_t cs_in, mp_obj_t rst_in);
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