Movatterモバイル変換

[0]ホーム
URL:

Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly

 Sign up
Appearance settings

Commit0412f0a

Browse files
committed
Add functions and define for wiznet_pio_spi support.
1 parent987cade commit0412f0a

File tree

12 files changed

+1168
-2
lines changed

12 files changed

+1168
-2
lines changed

‎ports/raspberrypi/Makefile‎

100644100755
Lines changed: 29 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -83,6 +83,33 @@ SRC_CYW43 :=
8383
SRC_LWIP :=
8484
endif
8585

86+
ifeq ($(CIRCUITPY_WIZNET_PIO_SPI), 1)
87+
INC_WIZNET_PIO_SPI :=\
88+
-isystem wiznet_pio_spi\
89+
90+
SRC_WIZNET_PIO_SPI :=\
91+
wiznet_pio_spi/wizchip_pio_spi.c\
92+
93+
WIZNET_PIOASM =$(BUILD)/pioasm/pioasm/pioasm
94+
.PHONY: pioasmBuild
95+
pioasmBuild:$(WIZNET_PIOASM)
96+
97+
$(WIZNET_PIOASM):
98+
$(Q)cmake -S pioasm -B$(BUILD)/pioasm
99+
$(MAKE) -C$(BUILD)/pioasm pioasmBuild
100+
101+
$(BUILD)/wizchip_pio_spi.pio.h: wiznet_pio_spi/wizchip_pio_spi.pio$(WIZNET_PIOASM)
102+
$(Q)$(WIZNET_PIOASM) -o c-sdk$<$@
103+
$(BUILD)/wiznet_pio_spi/wizchip_pio_spi.o:$(BUILD)/wizchip_pio_spi.pio.h
104+
105+
$(BUILD)/genhdr/qstr.i.last:$(BUILD)/wizchip_pio_spi.pio.h
106+
107+
else
108+
INC_WIZNET_PIO_SPI :=
109+
SRC_WIZNET_PIO_SPI :=
110+
111+
endif
112+
86113
CHIP_VARIANT_LOWER =$(shell echo$(CHIP_VARIANT) | tr '[:upper:]' '[:lower:]')
87114

88115
INC +=\
@@ -155,6 +182,7 @@ INC += \
155182
-isystem sdk/src/rp2_common/pico_time_adapter/include/\
156183
-isystem sdk/src/rp2_common/pico_unique_id/include/\
157184
$(INC_CYW43)\
185+
$(INC_WIZNET_PIO_SPI)\
158186
-Isdk_config\
159187
-I../../lib/tinyusb/src\
160188
-I../../supervisor/shared/usb\
@@ -541,6 +569,7 @@ SRC_C += \
541569
mphalport.c\
542570
$(SRC_CYW43)\
543571
$(SRC_LWIP)\
572+
$(SRC_WIZNET_PIO_SPI)\
544573

545574

546575
ifeq ($(CIRCUITPY_USB_HOST), 1)
Lines changed: 3 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,13 +1,14 @@
11
USB_VID = 0x2E8A
22
USB_PID = 0x0005
3-
USB_PRODUCT = "WIZNETW55RP20EVB PICO"
4-
USB_MANUFACTURER = "WIZNET"
3+
USB_PRODUCT = "W55RP20-EVB-Pico"
4+
USB_MANUFACTURER = "WIZnet"
55

66
CHIP_VARIANT = RP2040
77
CHIP_FAMILY = rp2
88

99
EXTERNAL_FLASH_DEVICES = "W25Q16JVxQ"
1010

11+
CIRCUITPY_WIZNET_PIO_SPI = 1
1112
CIRCUITPY__EVE = 1
1213
CIRCUITPY_SSL = 1
1314
CIRCUITPY_USB_HOST = 0
Lines changed: 123 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,123 @@
1+
// This file is part of the CircuitPython project: https://circuitpython.org
2+
//
3+
// SPDX-FileCopyrightText: Copyright (c) 2021 Scott Shawcroft for Adafruit Industries
4+
//
5+
// SPDX-License-Identifier: MIT
6+
7+
#include"shared-bindings/busio/WIZNET_PIO_SPI.h"
8+
9+
#include"shared/runtime/interrupt_char.h"
10+
#include"py/mperrno.h"
11+
#include"py/runtime.h"
12+
13+
#include"supervisor/board.h"
14+
#include"common-hal/microcontroller/Pin.h"
15+
#include"shared-bindings/microcontroller/Pin.h"
16+
17+
#include"hardware/dma.h"
18+
#include"hardware/gpio.h"
19+
#include"hardware/pio.h"
20+
#include"hardware/clocks.h"
21+
22+
#include"wiznet_pio_spi/wizchip_pio_spi.h"
23+
24+
#defineNO_INSTANCE 0xff
25+
26+
#ifndefPIO_SPI_PREFERRED_PIO
27+
#definePIO_SPI_PREFERRED_PIO 1
28+
#endif
29+
30+
// All wiznet spi operations must start with writing a 3 byte header
31+
32+
wiznet_pio_spi_config_twiznet_pio_spi_config;
33+
wiznet_pio_spi_handle_twiznet_pio_spi_handle=NULL;
34+
35+
voidcommon_hal_wiznet_pio_spi_construct(wiznet_pio_spi_obj_t*self,
36+
constmcu_pin_obj_t*clock,constmcu_pin_obj_t*mosi,
37+
constmcu_pin_obj_t*miso,boolhalf_duplex) {
38+
39+
if (half_duplex) {
40+
mp_raise_NotImplementedError_varg(MP_ERROR_TEXT("%q"),MP_QSTR_half_duplex);
41+
}
42+
43+
wiznet_pio_spi_config.data_in_pin=miso->number;
44+
wiznet_pio_spi_config.data_out_pin=mosi->number;
45+
wiznet_pio_spi_config.clock_pin=clock->number;
46+
47+
if (wiznet_pio_spi_handle!=NULL) {
48+
wiznet_pio_spi_close(wiznet_pio_spi_handle);
49+
}
50+
51+
wiznet_pio_spi_handle=wiznet_pio_spi_open(&wiznet_pio_spi_config);
52+
(*wiznet_pio_spi_handle)->set_active(wiznet_pio_spi_handle);
53+
54+
}
55+
56+
boolcommon_hal_wiznet_pio_spi_deinited(wiznet_pio_spi_obj_t*self) {
57+
returnwiznet_pio_spi_config.clock_pin==0;
58+
}
59+
60+
voidcommon_hal_wiznet_pio_spi_deinit(wiznet_pio_spi_obj_t*self) {
61+
if (common_hal_wiznet_pio_spi_deinited(self)) {
62+
return;
63+
}
64+
65+
common_hal_reset_pin(self->clock);
66+
common_hal_reset_pin(self->MOSI);
67+
common_hal_reset_pin(self->MISO);
68+
69+
wiznet_pio_spi_config.clock_pin=0;
70+
}
71+
72+
boolcommon_hal_wiznet_pio_spi_configure(wiznet_pio_spi_obj_t*self,
73+
uint32_tbaudrate,uint8_tpolarity,uint8_tphase,uint8_tbits) {
74+
75+
uint32_tclock=clock_get_hz(clk_sys);
76+
uint32_tclock_div=clock /baudrate;
77+
78+
if (clock_div>clock /4) {
79+
clock_div=clock /4;
80+
}
81+
82+
wiznet_pio_spi_config.clock_div_major=clock_div;
83+
wiznet_pio_spi_config.clock_div_minor=0;
84+
85+
return true;
86+
}
87+
88+
boolcommon_hal_wiznet_pio_spi_try_lock(wiznet_pio_spi_obj_t*self) {
89+
if (common_hal_wiznet_pio_spi_deinited(self)) {
90+
return false;
91+
}
92+
93+
boolgrabbed_lock= false;
94+
if (!self->has_lock) {
95+
grabbed_lock= true;
96+
self->has_lock= true;
97+
}
98+
returngrabbed_lock;
99+
}
100+
101+
boolcommon_hal_wiznet_pio_spi_has_lock(wiznet_pio_spi_obj_t*self) {
102+
returnself->has_lock;
103+
}
104+
105+
voidcommon_hal_wiznet_pio_spi_unlock(wiznet_pio_spi_obj_t*self) {
106+
self->has_lock= false;
107+
}
108+
109+
boolcommon_hal_wiznet_pio_spi_write(wiznet_pio_spi_obj_t*self,
110+
constuint8_t*data,size_tlen) {
111+
wiznet_pio_spi_write_buffer(data,len);
112+
return true;
113+
}
114+
115+
boolcommon_hal_wiznet_pio_spi_read(wiznet_pio_spi_obj_t*self,
116+
uint8_t*data,size_tlen,uint8_twrite_value) {
117+
wiznet_pio_spi_read_buffer(data,len);
118+
return true;
119+
}
120+
121+
boolcommon_hal_wiznet_pio_spi_transfer(wiznet_pio_spi_obj_t*self,constuint8_t*data_out,uint8_t*data_in,size_tlen) {
122+
returnwiznet_pio_spi_transfer(data_out,len,data_in,len);
123+
}
Lines changed: 25 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,25 @@
1+
// This file is part of the CircuitPython project: https://circuitpython.org
2+
//
3+
// SPDX-FileCopyrightText: Copyright (c) 2021 Scott Shawcroft for Adafruit Industries
4+
//
5+
// SPDX-License-Identifier: MIT
6+
7+
#pragma once
8+
9+
#include"common-hal/microcontroller/Pin.h"
10+
11+
#include"py/obj.h"
12+
13+
#include"hardware/spi.h"
14+
15+
#defineSPI_HEADER_LEN 3
16+
17+
typedefstruct {
18+
mp_obj_base_tbase;
19+
boolhas_lock;
20+
constmcu_pin_obj_t*clock;
21+
constmcu_pin_obj_t*MOSI;
22+
constmcu_pin_obj_t*MISO;
23+
}wiznet_pio_spi_obj_t;
24+
25+
voidreset_spi(void);

0 commit comments

Comments
 (0)
[8]ページ先頭
©2009-2025 Movatter.jp