-
Notifications
You must be signed in to change notification settings - Fork 0
/
ccSPI.h
83 lines (65 loc) · 2.61 KB
/
ccSPI.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
// *************************************************************************************************
// Public header for hardware SPI to TI's CCxx00 radios.
// *************************************************************************************************
#ifndef __CC_SPI_H
#define __CC_SPI_H
// *************************************************************************************************
// Include section
#include "project.h"
#ifdef __cplusplus
extern "C" {
#endif
// *************************************************************************************************
// Defines section
// DCO frequency division factor determining speed of the radio SPI interface in Hz
// Max. value for CC1101 is 6.5MHz
#define CC_BR_DIVIDER ((MCLK_FREQUENCY / 6500000) + 1)
// Required delay after selecting radio in us
#define CC_CSN_DELAY (20)
// Port and pin resources for SPI interface to acceleration sensor
// SPI registers
#define CC_TX_BUFFER (UCB1TXBUF)
#define CC_RX_BUFFER (UCB1RXBUF)
#define CC_STATUS (UCB1STAT)
#define CC_TX_IFG (UCB1TXIFG)
#define CC_RX_IFG (UCB1RXIFG)
#define CC_IRQ_REG (UCB1IFG)
#define CC_SPI_CTL0 (UCB1CTL0)
#define CC_SPI_CTL1 (UCB1CTL1)
#define CC_SPI_BR0 (UCB1BR0)
#define CC_SPI_BR1 (UCB1BR1)
// Port and pin resource for SDO
#define CC_SDO_OUT (P4OUT)
#define CC_SDO_DIR (P4DIR)
#define CC_SDO_SEL (P4SEL)
#define CC_SDO_PIN (BIT1)
// Port and pin resource for SDI
#define CC_SDI_IN (P4IN)
#define CC_SDI_OUT (P4OUT)
#define CC_SDI_SEL (P4SEL)
#define CC_SDI_PIN (BIT2)
// Port and pin resource for SCK
#define CC_SCK_OUT (P4OUT)
#define CC_SCK_DIR (P4DIR)
#define CC_SCK_SEL (P4SEL)
#define CC_SCK_PIN (BIT3)
// Port and pin resource for chip select
#define CC_CSN_OUT (P4OUT)
#define CC_CSN_DIR (P4DIR)
#define CC_CSN_PIN (BIT0)
// *************************************************************************************************
// Typedef section
// *************************************************************************************************
// API section
void CC_SPI_Init_v(void);
void CC_SPI_SelectChip_v(void);
void CC_SPI_SelectChipWaitUntilReady_v(void);
void CC_SPI_DeselectChip_v(void);
u8 CC_SPI_WriteRead_u8(u8 Data_u8);
u8 CC_SPI_SingleWriteRead_u8(u8 Data_u8);
#ifdef __cplusplus
}
#endif
// *************************************************************************************************
#endif // __CC_SPI_H
// End of file