forked from micropython/micropython
-
Notifications
You must be signed in to change notification settings - Fork 3
/
dma.h
167 lines (151 loc) · 6.51 KB
/
dma.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef MICROPY_INCLUDED_STM32_DMA_H
#define MICROPY_INCLUDED_STM32_DMA_H
typedef struct _dma_descr_t dma_descr_t;
#if defined(STM32H5)
// STM32H5 GPDMA doesn't feature circular mode directly, so define doesn't exist in
// stm32 driver header. Define it here to make users like DAC driver happy.
#define DMA_CIRCULAR 0x00000001
#endif
#if defined(STM32F0) || defined(STM32F4) || defined(STM32F7) || defined(STM32G0) || defined(STM32H5) || defined(STM32H7)
extern const dma_descr_t dma_I2C_1_RX;
extern const dma_descr_t dma_SPI_3_RX;
extern const dma_descr_t dma_I2C_4_RX;
extern const dma_descr_t dma_I2C_3_RX;
extern const dma_descr_t dma_I2C_2_RX;
extern const dma_descr_t dma_SPI_2_RX;
extern const dma_descr_t dma_SPI_2_TX;
extern const dma_descr_t dma_I2C_3_TX;
extern const dma_descr_t dma_I2C_4_TX;
extern const dma_descr_t dma_DAC_1_TX;
extern const dma_descr_t dma_DAC_2_TX;
extern const dma_descr_t dma_SPI_3_TX;
extern const dma_descr_t dma_I2C_1_TX;
extern const dma_descr_t dma_I2C_2_TX;
extern const dma_descr_t dma_SDMMC_2;
extern const dma_descr_t dma_SPI_1_RX;
extern const dma_descr_t dma_SPI_5_RX;
extern const dma_descr_t dma_SDIO_0;
extern const dma_descr_t dma_SPI_4_RX;
extern const dma_descr_t dma_SPI_5_TX;
extern const dma_descr_t dma_SPI_4_TX;
extern const dma_descr_t dma_SPI_6_TX;
extern const dma_descr_t dma_SPI_1_TX;
extern const dma_descr_t dma_SDMMC_2;
extern const dma_descr_t dma_SPI_6_RX;
extern const dma_descr_t dma_SDIO_0;
extern const dma_descr_t dma_DCMI_0;
extern const dma_descr_t dma_I2S_1_RX;
extern const dma_descr_t dma_I2S_1_TX;
extern const dma_descr_t dma_I2S_2_RX;
extern const dma_descr_t dma_I2S_2_TX;
#elif defined(STM32G4)
extern const dma_descr_t dma_SPI_1_RX;
extern const dma_descr_t dma_SPI_1_TX;
extern const dma_descr_t dma_SPI_2_RX;
extern const dma_descr_t dma_SPI_2_TX;
extern const dma_descr_t dma_I2C_1_RX;
extern const dma_descr_t dma_I2C_1_TX;
extern const dma_descr_t dma_I2C_2_RX;
extern const dma_descr_t dma_I2C_2_TX;
extern const dma_descr_t dma_I2C_3_RX;
extern const dma_descr_t dma_I2C_3_TX;
extern const dma_descr_t dma_UART_3_RX;
extern const dma_descr_t dma_UART_3_TX;
extern const dma_descr_t dma_DAC_1_TX;
extern const dma_descr_t dma_DAC_2_TX;
extern const dma_descr_t dma_UART_1_RX;
extern const dma_descr_t dma_UART_1_TX;
extern const dma_descr_t dma_LPUART_1_RX;
extern const dma_descr_t dma_LPUART_1_TX;
extern const dma_descr_t dma_ADC_1;
extern const dma_descr_t dma_MEM_2_MEM;
#elif defined(STM32L0)
extern const dma_descr_t dma_SPI_1_RX;
extern const dma_descr_t dma_I2C_3_TX;
extern const dma_descr_t dma_SPI_1_TX;
extern const dma_descr_t dma_I2C_3_RX;
extern const dma_descr_t dma_DAC_1_TX;
extern const dma_descr_t dma_SPI_2_RX;
extern const dma_descr_t dma_I2C_2_TX;
extern const dma_descr_t dma_DAC_2_TX;
extern const dma_descr_t dma_SPI_2_TX;
extern const dma_descr_t dma_I2C_2_RX;
extern const dma_descr_t dma_I2C_1_TX;
extern const dma_descr_t dma_I2C_1_RX;
#elif defined(STM32L1)
extern const dma_descr_t dma_SPI_1_RX;
extern const dma_descr_t dma_SPI_3_TX;
extern const dma_descr_t dma_SPI_1_TX;
extern const dma_descr_t dma_SPI_3_RX;
extern const dma_descr_t dma_DAC_1_TX;
extern const dma_descr_t dma_SPI_2_RX;
extern const dma_descr_t dma_I2C_2_TX;
extern const dma_descr_t dma_DAC_2_TX;
extern const dma_descr_t dma_SPI_2_TX;
extern const dma_descr_t dma_I2C_2_RX;
extern const dma_descr_t dma_I2C_1_TX;
extern const dma_descr_t dma_I2C_1_RX;
#elif defined(STM32L4) || defined(STM32WB) || defined(STM32WL)
extern const dma_descr_t dma_ADC_1_RX;
extern const dma_descr_t dma_ADC_2_RX;
extern const dma_descr_t dma_SPI_1_RX;
extern const dma_descr_t dma_I2C_3_TX;
extern const dma_descr_t dma_ADC_3_RX;
extern const dma_descr_t dma_SPI_1_TX;
extern const dma_descr_t dma_I2C_3_RX;
extern const dma_descr_t dma_DAC_1_TX;
extern const dma_descr_t dma_SPI_2_RX;
extern const dma_descr_t dma_I2C_2_TX;
extern const dma_descr_t dma_DAC_2_TX;
extern const dma_descr_t dma_SPI_2_TX;
extern const dma_descr_t dma_I2C_2_RX;
extern const dma_descr_t dma_I2C_1_TX;
extern const dma_descr_t dma_I2C_1_RX;
extern const dma_descr_t dma_SPI_3_RX;
extern const dma_descr_t dma_SPI_3_TX;
extern const dma_descr_t dma_SDIO_0;
extern const dma_descr_t dma_I2C_4_TX;
extern const dma_descr_t dma_I2C_4_RX;
extern const dma_descr_t dma_SPI_SUBGHZ_TX;
extern const dma_descr_t dma_SPI_SUBGHZ_RX;
#endif
// API that configures the DMA via the HAL.
void dma_init(DMA_HandleTypeDef *dma, const dma_descr_t *dma_descr, uint32_t dir, void *data);
void dma_init_handle(DMA_HandleTypeDef *dma, const dma_descr_t *dma_descr, uint32_t dir, void *data);
void dma_deinit(const dma_descr_t *dma_descr);
void dma_invalidate_channel(const dma_descr_t *dma_descr);
// API that configures the DMA directly and does not use the HAL.
void dma_nohal_init(const dma_descr_t *descr, uint32_t config);
void dma_nohal_deinit(const dma_descr_t *descr);
void dma_nohal_start(const dma_descr_t *descr, uint32_t src_addr, uint32_t dst_addr, uint16_t len);
// API to be used if DMA is controlled externally, to ensure the clock remains enabled.
// - controller: should be 0 or 1, corresponding to DMA1 or DMA2
// - stream: should be 0 to N, corresponding to Stream0..StreamN, or Channel1..ChannelN
void dma_external_acquire(uint32_t controller, uint32_t stream);
void dma_external_release(uint32_t controller, uint32_t stream);
#endif // MICROPY_INCLUDED_STM32_DMA_H