Paparazzi UAS  v5.15_devel-46-gd23ed71
Paparazzi is a free software Unmanned Aircraft System.
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mcp355x.c
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1 /*
2  * Copyright (C) 2011 Gautier Hattenberger
3  *
4  * This file is part of paparazzi.
5  *
6  * paparazzi is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2, or (at your option)
9  * any later version.
10  *
11  * paparazzi is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with paparazzi; see the file COPYING. If not, write to
18  * the Free Software Foundation, 59 Temple Place - Suite 330,
19  * Boston, MA 02111-1307, USA.
20  */
21 
27 #include "peripherals/mcp355x.h"
28 #include "mcu_periph/spi.h"
29 
33 
35 
36 void mcp355x_init(void)
37 {
38  mcp355x_data_available = false;
39  mcp355x_data = 0;
40 
47 
53 }
54 
55 void mcp355x_read(void)
56 {
58 }
59 
60 void mcp355x_event(void)
61 {
63  if ((mcp355x_spi_trans.input_buf[0] >> 4) == 0) {
68  (mcp355x_spi_trans.input_buf[3] >> 7));
70  }
72  }
75  }
76 }
77 
enum SPIClockPolarity cpol
clock polarity control
Definition: spi.h:149
enum SPIClockDiv cdiv
prescaler of main clock to use as SPI clock
Definition: spi.h:153
uint16_t output_length
number of data words to write
Definition: spi.h:146
bool mcp355x_data_available
Definition: mcp355x.c:30
slave is selected before transaction but not unselected
Definition: spi.h:58
int32_t mcp355x_data
Definition: mcp355x.c:31
SPI transaction structure.
Definition: spi.h:142
bool spi_submit(struct spi_periph *p, struct spi_transaction *t)
Submit SPI transaction.
Definition: spi_arch.c:464
enum SPIBitOrder bitorder
MSB/LSB order.
Definition: spi.h:152
volatile uint8_t * output_buf
pointer to transmit buffer for DMA
Definition: spi.h:144
enum SPISlaveSelect select
slave selection behavior
Definition: spi.h:148
#define SPI_SLAVE0
Definition: spi.h:186
Architecture independent SPI (Serial Peripheral Interface) API.
uint8_t mcp355x_val[4]
Definition: mcp355x.c:32
enum SPIClockPhase cpha
clock phase control
Definition: spi.h:150
struct spi_transaction mcp355x_spi_trans
Definition: mcp355x.c:34
Definition: spi.h:84
unsigned long uint32_t
Definition: types.h:18
CPOL = 0.
Definition: spi.h:77
void mcp355x_init(void)
Definition: mcp355x.c:36
uint16_t input_length
number of data words to read
Definition: spi.h:145
signed long int32_t
Definition: types.h:19
unsigned char uint8_t
Definition: types.h:14
void mcp355x_event(void)
Definition: mcp355x.c:60
CPHA = 0.
Definition: spi.h:68
enum SPIDataSizeSelect dss
data transfer word size
Definition: spi.h:151
uint8_t slave_idx
slave id: SPI_SLAVE0 to SPI_SLAVE4
Definition: spi.h:147
Definition: spi.h:119
volatile uint8_t * input_buf
pointer to receive buffer for DMA
Definition: spi.h:143
void mcp355x_read(void)
Definition: mcp355x.c:55
process_rx_dma_interrupt & spi1
receive transferred over DMA
Definition: spi_arch.c:967
enum SPITransactionStatus status
Definition: spi.h:156