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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/*
* Copyright © 2011 Keith Packard <keithp@keithp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
/*
* CC1111 definitions and code fragments for AltOS
*/
#ifndef _AO_ARCH_H_
#define _AO_ARCH_H_
#include "cc1111.h"
/* Convert a __data pointer into an __xdata pointer */
#define DATA_TO_XDATA(a) ((void __xdata *) ((uint8_t) (a) | 0xff00))
/* Stack runs from above the allocated __data space to 0xfe, which avoids
* writing to 0xff as that triggers the stack overflow indicator
*/
#define AO_STACK_START 0x90
#define AO_STACK_END 0xfe
#define AO_STACK_SIZE (AO_STACK_END - AO_STACK_START + 1)
#define ao_arch_reboot() do { \
WDCTL = WDCTL_EN | WDCTL_MODE_WATCHDOG | WDCTL_INT_64; \
ao_delay(AO_SEC_TO_TICKS(2)); \
} while (0)
#define ao_arch_nop() _asm nop _endasm
#define ao_arch_interrupt(n) __interrupt n
#define ao_arch_naked_declare __naked
#define ao_arch_naked_define __naked
/* CC1111-specific drivers */
/*
* ao_romconfig.c
*/
#define AO_ROMCONFIG_VERSION 2
extern __code __at (0x00a0) uint16_t ao_romconfig_version;
extern __code __at (0x00a2) uint16_t ao_romconfig_check;
extern __code __at (0x00a4) uint16_t ao_serial_number;
extern __code __at (0x00a6) uint32_t ao_radio_cal;
#ifndef HAS_USB
#error Please define HAS_USB
#endif
#define ao_arch_task_members\
uint8_t stack_count; /* amount of saved stack */
/* Initialize stack */
#define ao_arch_init_stack(task, start) { \
uint8_t __xdata *stack = task->stack; \
uint8_t t; \
*stack++ = ((uint16_t) start); /* 0 */ \
*stack++ = ((uint16_t) start) >> 8; /* 1 */ \
\
/* and the stuff saved by ao_switch */ \
*stack++ = 0; /* 2 acc */ \
*stack++ = 0x80; /* 3 IE */ \
\
/* 4 DPL \
* 5 DPH \
* 6 B \
* 7 R2 \
* 8 R3 \
* 9 R4 \
* 10 R5 \
* 11 R6 \
* 12 R7 \
* 13 R0 \
* 14 R1 \
* 15 PSW \
* 16 BP \
*/ \
for (t = 0; t < 13; t++) \
*stack++ = 0; \
task->stack_count = 17; \
}
/* Save current context */
#define ao_arch_save_regs() \
_asm \
/* Push ACC first, as when restoring the context it must be restored \
* last (it is used to set the IE register). */ \
push ACC \
/* Store the IE register then enable interrupts. */ \
push _IEN0 \
setb _EA \
push DPL \
push DPH \
push b \
push ar2 \
push ar3 \
push ar4 \
push ar5 \
push ar6 \
push ar7 \
push ar0 \
push ar1 \
push PSW \
_endasm; \
PSW = 0; \
_asm \
push _bp \
_endasm
#define ao_arch_save_stack() { \
uint8_t stack_len; \
__data uint8_t *stack_ptr; \
__xdata uint8_t *save_ptr; \
/* Save the current stack */ \
stack_len = SP - (AO_STACK_START - 1); \
ao_cur_task->stack_count = stack_len; \
stack_ptr = (uint8_t __data *) AO_STACK_START; \
save_ptr = (uint8_t __xdata *) ao_cur_task->stack; \
do \
*save_ptr++ = *stack_ptr++; \
while (--stack_len); \
}
#define ao_arch_isr_stack() \
/* Empty the stack; might as well let interrupts have the whole thing */ \
(SP = AO_STACK_START - 1)
#define ao_arch_cpu_idle() (PCON = PCON_IDLE)
#define ao_arch_restore_stack() { \
uint8_t stack_len; \
__data uint8_t *stack_ptr; \
__xdata uint8_t *save_ptr; \
\
/* Restore the old stack */ \
stack_len = ao_cur_task->stack_count; \
SP = AO_STACK_START - 1 + stack_len; \
\
stack_ptr = (uint8_t __data *) AO_STACK_START; \
save_ptr = (uint8_t __xdata *) ao_cur_task->stack; \
do \
*stack_ptr++ = *save_ptr++; \
while (--stack_len); \
\
_asm \
pop _bp \
pop PSW \
pop ar1 \
pop ar0 \
pop ar7 \
pop ar6 \
pop ar5 \
pop ar4 \
pop ar3 \
pop ar2 \
pop b \
pop DPH \
pop DPL \
/* The next byte of the stack is the IE register. Only the global \
enable bit forms part of the task context. Pop off the IE then set \
the global enable bit to match that of the stored IE register. */ \
pop ACC \
JB ACC.7,0098$ \
CLR _EA \
LJMP 0099$ \
0098$: \
SETB _EA \
0099$: \
/* Finally pop off the ACC, which was the first register saved. */ \
pop ACC \
ret \
_endasm; \
}
#define ao_arch_critical(b) __critical { b }
struct ao_adc {
uint16_t tick; /* tick when the sample was read */
int16_t accel; /* accelerometer */
int16_t pres; /* pressure sensor */
int16_t temp; /* temperature sensor */
int16_t v_batt; /* battery voltage */
int16_t sense_d; /* drogue continuity sense */
int16_t sense_m; /* main continuity sense */
};
#define AO_ADC_RING 32
/* ao_string.c */
void
_ao_xmemcpy(__xdata uint8_t *dst, __xdata uint8_t *src, uint8_t count);
#define ao_xmemcpy(d,s,c) _ao_xmemcpy((__xdata uint8_t *) (d), (__xdata uint8_t *) (s), (c))
void
_ao_xmemset(__xdata uint8_t *dst, uint8_t value, uint8_t count);
#define ao_xmemset(d,v,c) _ao_xmemset((__xdata uint8_t *) (d), (v), (c))
int8_t
_ao_xmemcmp(__xdata uint8_t *a, __xdata uint8_t *b, uint8_t count);
#define ao_xmemcmp(d,s,c) _ao_xmemcmp((__xdata uint8_t *) (d), (__xdata uint8_t *) (s), (c))
#endif /* _AO_ARCH_H_ */
|
