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-rw-r--r--platforms/avr/drivers/spi_master.h68
-rw-r--r--platforms/chibios/drivers/spi_master.c43
-rw-r--r--platforms/chibios/drivers/spi_master.h102
3 files changed, 42 insertions, 171 deletions
diff --git a/platforms/avr/drivers/spi_master.h b/platforms/avr/drivers/spi_master.h
deleted file mode 100644
index ebbf7ddeab..0000000000
--- a/platforms/avr/drivers/spi_master.h
+++ /dev/null
@@ -1,68 +0,0 @@
1/* Copyright 2020
2 *
3 * This program is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, either version 3 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <https://www.gnu.org/licenses/>.
15 */
16
17#pragma once
18
19#include <stdbool.h>
20
21#include "gpio.h"
22
23typedef int16_t spi_status_t;
24
25// Hardware SS pin is defined in the header so that user code can refer to it
26#if defined(__AVR_AT90USB162__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__) || defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__)
27# define SPI_SS_PIN B0
28#elif defined(__AVR_ATmega32A__)
29# define SPI_SS_PIN B4
30#elif defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
31# define SPI_SS_PIN B2
32#endif
33
34#define SPI_STATUS_SUCCESS (0)
35#define SPI_STATUS_ERROR (-1)
36#define SPI_STATUS_TIMEOUT (-2)
37
38#define SPI_TIMEOUT_IMMEDIATE (0)
39#define SPI_TIMEOUT_INFINITE (0xFFFF)
40
41#ifdef __cplusplus
42extern "C" {
43#endif
44typedef struct spi_start_config_t {
45 pin_t slave_pin;
46 bool lsb_first;
47 uint8_t mode;
48 uint16_t divisor;
49 bool cs_active_low;
50} spi_start_config_t;
51
52void spi_init(void);
53
54bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor);
55bool spi_start_extended(spi_start_config_t *start_config);
56
57spi_status_t spi_write(uint8_t data);
58
59spi_status_t spi_read(void);
60
61spi_status_t spi_transmit(const uint8_t *data, uint16_t length);
62
63spi_status_t spi_receive(uint8_t *data, uint16_t length);
64
65void spi_stop(void);
66#ifdef __cplusplus
67}
68#endif
diff --git a/platforms/chibios/drivers/spi_master.c b/platforms/chibios/drivers/spi_master.c
index 414e5b10a3..f5e48edfda 100644
--- a/platforms/chibios/drivers/spi_master.c
+++ b/platforms/chibios/drivers/spi_master.c
@@ -15,8 +15,49 @@
15 */ 15 */
16 16
17#include "spi_master.h" 17#include "spi_master.h"
18#include "chibios_config.h"
19#include <ch.h>
20#include <hal.h>
18 21
19#include "timer.h" 22#ifndef SPI_DRIVER
23# define SPI_DRIVER SPID2
24#endif
25
26#ifndef SPI_SCK_PIN
27# define SPI_SCK_PIN B13
28#endif
29
30#ifndef SPI_SCK_PAL_MODE
31# ifdef USE_GPIOV1
32# define SPI_SCK_PAL_MODE PAL_MODE_ALTERNATE_PUSHPULL
33# else
34# define SPI_SCK_PAL_MODE 5
35# endif
36#endif
37
38#ifndef SPI_MOSI_PIN
39# define SPI_MOSI_PIN B15
40#endif
41
42#ifndef SPI_MOSI_PAL_MODE
43# ifdef USE_GPIOV1
44# define SPI_MOSI_PAL_MODE PAL_MODE_ALTERNATE_PUSHPULL
45# else
46# define SPI_MOSI_PAL_MODE 5
47# endif
48#endif
49
50#ifndef SPI_MISO_PIN
51# define SPI_MISO_PIN B14
52#endif
53
54#ifndef SPI_MISO_PAL_MODE
55# ifdef USE_GPIOV1
56# define SPI_MISO_PAL_MODE PAL_MODE_ALTERNATE_PUSHPULL
57# else
58# define SPI_MISO_PAL_MODE 5
59# endif
60#endif
20 61
21static bool spiStarted = false; 62static bool spiStarted = false;
22#if SPI_SELECT_MODE == SPI_SELECT_MODE_NONE 63#if SPI_SELECT_MODE == SPI_SELECT_MODE_NONE
diff --git a/platforms/chibios/drivers/spi_master.h b/platforms/chibios/drivers/spi_master.h
deleted file mode 100644
index 4ad6144091..0000000000
--- a/platforms/chibios/drivers/spi_master.h
+++ /dev/null
@@ -1,102 +0,0 @@
1/* Copyright 2020 Nick Brassel (tzarc)
2 *
3 * This program is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, either version 3 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <https://www.gnu.org/licenses/>.
15 */
16
17#pragma once
18
19#include <ch.h>
20#include <hal.h>
21#include <stdbool.h>
22
23#include "gpio.h"
24#include "chibios_config.h"
25
26#ifndef SPI_DRIVER
27# define SPI_DRIVER SPID2
28#endif
29
30#ifndef SPI_SCK_PIN
31# define SPI_SCK_PIN B13
32#endif
33
34#ifndef SPI_SCK_PAL_MODE
35# if defined(USE_GPIOV1)
36# define SPI_SCK_PAL_MODE PAL_MODE_ALTERNATE_PUSHPULL
37# else
38# define SPI_SCK_PAL_MODE 5
39# endif
40#endif
41
42#ifndef SPI_MOSI_PIN
43# define SPI_MOSI_PIN B15
44#endif
45
46#ifndef SPI_MOSI_PAL_MODE
47# if defined(USE_GPIOV1)
48# define SPI_MOSI_PAL_MODE PAL_MODE_ALTERNATE_PUSHPULL
49# else
50# define SPI_MOSI_PAL_MODE 5
51# endif
52#endif
53
54#ifndef SPI_MISO_PIN
55# define SPI_MISO_PIN B14
56#endif
57
58#ifndef SPI_MISO_PAL_MODE
59# if defined(USE_GPIOV1)
60# define SPI_MISO_PAL_MODE PAL_MODE_ALTERNATE_PUSHPULL
61# else
62# define SPI_MISO_PAL_MODE 5
63# endif
64#endif
65
66typedef int16_t spi_status_t;
67
68#define SPI_STATUS_SUCCESS (0)
69#define SPI_STATUS_ERROR (-1)
70#define SPI_STATUS_TIMEOUT (-2)
71
72#define SPI_TIMEOUT_IMMEDIATE (0)
73#define SPI_TIMEOUT_INFINITE (0xFFFF)
74
75#ifdef __cplusplus
76extern "C" {
77#endif
78typedef struct spi_start_config_t {
79 pin_t slave_pin;
80 bool lsb_first;
81 uint8_t mode;
82 uint16_t divisor;
83 bool cs_active_low;
84} spi_start_config_t;
85
86void spi_init(void);
87
88bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor);
89bool spi_start_extended(spi_start_config_t *start_config);
90
91spi_status_t spi_write(uint8_t data);
92
93spi_status_t spi_read(void);
94
95spi_status_t spi_transmit(const uint8_t *data, uint16_t length);
96
97spi_status_t spi_receive(uint8_t *data, uint16_t length);
98
99void spi_stop(void);
100#ifdef __cplusplus
101}
102#endif
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