1 |
a4d26bb5
|
Harald Welte
|
/* ----------------------------------------------------------------------------
|
2 |
|
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* ATMEL Microcontroller Software Support
|
3 |
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* ----------------------------------------------------------------------------
|
4 |
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* Copyright (c) 2008, Atmel Corporation
|
5 |
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*
|
6 |
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* All rights reserved.
|
7 |
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*
|
8 |
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* Redistribution and use in source and binary forms, with or without
|
9 |
|
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* modification, are permitted provided that the following conditions are met:
|
10 |
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*
|
11 |
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* - Redistributions of source code must retain the above copyright notice,
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12 |
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* this list of conditions and the disclaimer below.
|
13 |
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*
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14 |
|
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* Atmel's name may not be used to endorse or promote products derived from
|
15 |
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* this software without specific prior written permission.
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16 |
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*
|
17 |
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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18 |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
19 |
|
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
|
20 |
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
|
21 |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
22 |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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23 |
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
24 |
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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25 |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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26 |
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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27 |
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* ----------------------------------------------------------------------------
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28 |
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*/
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29 |
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|
30 |
c4166bf8
|
Harald Welte
|
#include <errno.h>
|
31 |
|
|
#include <string.h>
|
32 |
|
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#include <stdlib.h>
|
33 |
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|
|
34 |
a4d26bb5
|
Harald Welte
|
#include <board.h>
|
35 |
|
|
#include <board_memories.h>
|
36 |
|
|
#include <pio/pio.h>
|
37 |
|
|
#include <irq/irq.h>
|
38 |
|
|
#include <twi/twid.h>
|
39 |
|
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#include <twi/twi.h>
|
40 |
|
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#include <dbgu/dbgu.h>
|
41 |
|
|
#include <ssc/ssc.h>
|
42 |
|
|
#include <utility/assert.h>
|
43 |
|
|
#include <utility/math.h>
|
44 |
|
|
#include <utility/trace.h>
|
45 |
|
|
#include <utility/led.h>
|
46 |
a95b61f3
|
Sylvain Munaut
|
#include <usb/device/dfu/dfu.h>
|
47 |
a4d26bb5
|
Harald Welte
|
|
48 |
|
|
#include <dmad/dmad.h>
|
49 |
|
|
#include <dma/dma.h>
|
50 |
|
|
|
51 |
|
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#include <tuner_e4k.h>
|
52 |
|
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#include <si570.h>
|
53 |
5fb405d4
|
Harald Welte
|
#include <osdr_fpga.h>
|
54 |
e81bf0ed
|
Harald Welte
|
#include <req_ctx.h>
|
55 |
c4166bf8
|
Harald Welte
|
#include <uart_cmd.h>
|
56 |
02974149
|
Harald Welte
|
#include <fast_source.h>
|
57 |
a4d26bb5
|
Harald Welte
|
|
58 |
|
|
#define SSC_MCK 49152000
|
59 |
|
|
|
60 |
|
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// TWI clock
|
61 |
323af344
|
Christian Daniel
|
#define TWI_CLOCK 400000
|
62 |
a4d26bb5
|
Harald Welte
|
|
63 |
|
|
// PMC define
|
64 |
|
|
#define AT91C_CKGR_PLLR AT91C_CKGR_PLLAR
|
65 |
|
|
#define AT91C_PMC_LOCK AT91C_PMC_LOCKA
|
66 |
|
|
|
67 |
|
|
#define AT91C_CKGR_MUL_SHIFT 16
|
68 |
|
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#define AT91C_CKGR_OUT_SHIFT 14
|
69 |
|
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#define AT91C_CKGR_PLLCOUNT_SHIFT 8
|
70 |
|
|
#define AT91C_CKGR_DIV_SHIFT 0
|
71 |
|
|
|
72 |
|
|
#define E4K_I2C_ADDR 0x64
|
73 |
|
|
#define SI570_I2C_ADDR 0x55
|
74 |
|
|
|
75 |
|
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//------------------------------------------------------------------------------
|
76 |
|
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// Local variables
|
77 |
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//------------------------------------------------------------------------------
|
78 |
e81bf0ed
|
Harald Welte
|
/// Use for power management
|
79 |
|
|
#define STATE_IDLE 0
|
80 |
|
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/// The USB device is in suspend state
|
81 |
|
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#define STATE_SUSPEND 4
|
82 |
|
|
/// The USB device is in resume state
|
83 |
|
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#define STATE_RESUME 5
|
84 |
|
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unsigned char USBState = STATE_IDLE;
|
85 |
a4d26bb5
|
Harald Welte
|
|
86 |
|
|
/// List of pins to configure.
|
87 |
5fb405d4
|
Harald Welte
|
static const Pin pins[] = {PINS_TWI0, PIN_PCK0, PINS_LEDS, PINS_SPI0,
|
88 |
a4d26bb5
|
Harald Welte
|
PINS_MISC, PINS_SSC, PINS_FPGA_JTAG};
|
89 |
|
|
|
90 |
|
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static Twid twid;
|
91 |
65f6e41c
|
Christian Daniel
|
struct e4k_state e4k;
|
92 |
|
|
struct si570_ctx si570;
|
93 |
a4d26bb5
|
Harald Welte
|
|
94 |
|
|
static void set_si570_freq(uint32_t freq)
|
95 |
|
|
{
|
96 |
|
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si570_set_freq(&si570, freq/1000, 0);
|
97 |
|
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e4k.vco.fosc = freq;
|
98 |
|
|
}
|
99 |
|
|
|
100 |
|
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static void power_peripherals(int on)
|
101 |
|
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{
|
102 |
|
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if (on) {
|
103 |
|
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osdr_fpga_power(1);
|
104 |
|
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sam3u_e4k_power(&e4k, 1);
|
105 |
|
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sam3u_e4k_stby(&e4k, 0);
|
106 |
|
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} else {
|
107 |
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osdr_fpga_power(0);
|
108 |
|
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sam3u_e4k_stby(&e4k, 1);
|
109 |
|
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sam3u_e4k_power(&e4k, 0);
|
110 |
|
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}
|
111 |
|
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}
|
112 |
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|
|
113 |
e81bf0ed
|
Harald Welte
|
/*----------------------------------------------------------------------------
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114 |
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* VBus monitoring (optional)
|
115 |
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*----------------------------------------------------------------------------*/
|
116 |
45f0e31e
|
Harald Welte
|
|
117 |
e81bf0ed
|
Harald Welte
|
/** VBus pin instance. */
|
118 |
|
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static const Pin pinVbus = PIN_USB_VBUS;
|
119 |
45f0e31e
|
Harald Welte
|
|
120 |
e81bf0ed
|
Harald Welte
|
/**
|
121 |
|
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* Handles interrupts coming from PIO controllers.
|
122 |
|
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*/
|
123 |
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static void ISR_Vbus(const Pin *pPin)
|
124 |
45f0e31e
|
Harald Welte
|
{
|
125 |
e81bf0ed
|
Harald Welte
|
/* Check current level on VBus */
|
126 |
|
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if (PIO_Get(&pinVbus))
|
127 |
|
|
{
|
128 |
|
|
TRACE_INFO("VBUS conn\n\r");
|
129 |
|
|
USBD_Connect();
|
130 |
|
|
}
|
131 |
|
|
else
|
132 |
|
|
{
|
133 |
|
|
TRACE_INFO("VBUS discon\n\r");
|
134 |
|
|
USBD_Disconnect();
|
135 |
|
|
}
|
136 |
45f0e31e
|
Harald Welte
|
}
|
137 |
|
|
|
138 |
e81bf0ed
|
Harald Welte
|
/**
|
139 |
|
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* Configures the VBus pin to trigger an interrupt when the level on that pin
|
140 |
|
|
* changes.
|
141 |
|
|
*/
|
142 |
|
|
static void VBus_Configure( void )
|
143 |
45f0e31e
|
Harald Welte
|
{
|
144 |
e81bf0ed
|
Harald Welte
|
/* Configure PIO */
|
145 |
|
|
PIO_Configure(&pinVbus, 1);
|
146 |
|
|
PIO_ConfigureIt(&pinVbus, ISR_Vbus);
|
147 |
|
|
PIO_EnableIt(&pinVbus);
|
148 |
|
|
|
149 |
|
|
/* Check current level on VBus */
|
150 |
|
|
if (PIO_Get(&pinVbus))
|
151 |
|
|
{
|
152 |
|
|
/* if VBUS present, force the connect */
|
153 |
|
|
USBD_Connect();
|
154 |
|
|
}
|
155 |
|
|
else
|
156 |
|
|
{
|
157 |
|
|
TRACE_INFO("discon\n\r");
|
158 |
|
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USBD_Disconnect();
|
159 |
|
|
}
|
160 |
45f0e31e
|
Harald Welte
|
}
|
161 |
|
|
|
162 |
|
|
|
163 |
e81bf0ed
|
Harald Welte
|
/*----------------------------------------------------------------------------
|
164 |
|
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* Callbacks re-implementation
|
165 |
|
|
*----------------------------------------------------------------------------*/
|
166 |
45f0e31e
|
Harald Welte
|
|
167 |
e81bf0ed
|
Harald Welte
|
//------------------------------------------------------------------------------
|
168 |
|
|
/// Invoked when the USB device leaves the Suspended state. By default,
|
169 |
|
|
/// configures the LEDs.
|
170 |
|
|
//------------------------------------------------------------------------------
|
171 |
|
|
void USBDCallbacks_Resumed(void)
|
172 |
45f0e31e
|
Harald Welte
|
{
|
173 |
e81bf0ed
|
Harald Welte
|
USBState = STATE_RESUME;
|
174 |
45f0e31e
|
Harald Welte
|
}
|
175 |
|
|
|
176 |
e81bf0ed
|
Harald Welte
|
//------------------------------------------------------------------------------
|
177 |
|
|
/// Invoked when the USB device gets suspended. By default, turns off all LEDs.
|
178 |
|
|
//------------------------------------------------------------------------------
|
179 |
|
|
void USBDCallbacks_Suspended(void)
|
180 |
45f0e31e
|
Harald Welte
|
{
|
181 |
e81bf0ed
|
Harald Welte
|
USBState = STATE_SUSPEND;
|
182 |
45f0e31e
|
Harald Welte
|
}
|
183 |
e81bf0ed
|
Harald Welte
|
|
184 |
02974149
|
Harald Welte
|
|
185 |
c4166bf8
|
Harald Welte
|
static struct cmd_state cmd_state;
|
186 |
|
|
|
187 |
|
|
static int cmd_tuner_init(struct cmd_state *cs, enum cmd_op op,
|
188 |
5a389db1
|
Harald Welte
|
const char *cmd, int argc, char **argv)
|
189 |
e81bf0ed
|
Harald Welte
|
{
|
190 |
c4166bf8
|
Harald Welte
|
e4k_init(&e4k);
|
191 |
|
|
return 0;
|
192 |
|
|
}
|
193 |
|
|
|
194 |
8930b8a3
|
Harald Welte
|
static int cmd_tuner_gain(struct cmd_state *cs, enum cmd_op op,
|
195 |
|
|
const char *cmd, int argc, char **argv)
|
196 |
|
|
{
|
197 |
|
|
int i;
|
198 |
|
|
|
199 |
|
|
for (i = 0; i < argc; i++)
|
200 |
|
|
e4k_if_gain_set(&e4k, i+1, atoi(argv[i]));
|
201 |
|
|
|
202 |
|
|
return 0;
|
203 |
|
|
}
|
204 |
|
|
|
205 |
c4166bf8
|
Harald Welte
|
static int cmd_rf_freq(struct cmd_state *cs, enum cmd_op op,
|
206 |
5a389db1
|
Harald Welte
|
const char *cmd, int argc, char **argv)
|
207 |
c4166bf8
|
Harald Welte
|
{
|
208 |
|
|
uint32_t freq;
|
209 |
|
|
|
210 |
|
|
switch (op) {
|
211 |
|
|
case CMD_OP_SET:
|
212 |
5a389db1
|
Harald Welte
|
if (argc < 1)
|
213 |
|
|
return -EINVAL;
|
214 |
|
|
freq = strtoul(argv[0], NULL, 10);
|
215 |
c4166bf8
|
Harald Welte
|
e4k_tune_freq(&e4k, freq);
|
216 |
e81bf0ed
|
Harald Welte
|
break;
|
217 |
c4166bf8
|
Harald Welte
|
case CMD_OP_GET:
|
218 |
|
|
freq = e4k.vco.flo;
|
219 |
|
|
uart_cmd_out(cs, "%s:%u\n\r", cmd, freq);
|
220 |
e81bf0ed
|
Harald Welte
|
break;
|
221 |
c4166bf8
|
Harald Welte
|
default:
|
222 |
|
|
return -EINVAL;
|
223 |
|
|
}
|
224 |
|
|
|
225 |
|
|
return 0;
|
226 |
|
|
}
|
227 |
|
|
|
228 |
|
|
static int cmd_si570_freq(struct cmd_state *cs, enum cmd_op op,
|
229 |
5a389db1
|
Harald Welte
|
const char *cmd, int argc, char **argv)
|
230 |
c4166bf8
|
Harald Welte
|
{
|
231 |
|
|
uint32_t freq;
|
232 |
|
|
|
233 |
|
|
switch (op) {
|
234 |
|
|
case CMD_OP_SET:
|
235 |
5a389db1
|
Harald Welte
|
if (argc < 1)
|
236 |
|
|
return -EINVAL;
|
237 |
|
|
freq = strtoul(argv[0], NULL, 10);
|
238 |
c4166bf8
|
Harald Welte
|
set_si570_freq(freq);
|
239 |
e81bf0ed
|
Harald Welte
|
break;
|
240 |
c4166bf8
|
Harald Welte
|
default:
|
241 |
|
|
return -EINVAL;
|
242 |
|
|
}
|
243 |
|
|
return 0;
|
244 |
|
|
}
|
245 |
|
|
|
246 |
|
|
static int cmd_si570_dump(struct cmd_state *cs, enum cmd_op op,
|
247 |
5a389db1
|
Harald Welte
|
const char *cmd, int argc, char **argv)
|
248 |
c4166bf8
|
Harald Welte
|
{
|
249 |
|
|
si570_regdump(&si570);
|
250 |
|
|
return 0;
|
251 |
|
|
}
|
252 |
|
|
|
253 |
67877f16
|
Harald Welte
|
static int cmd_flt_bw(struct cmd_state *cs, enum cmd_op op,
|
254 |
|
|
const char *cmd, int argc, char **argv)
|
255 |
|
|
{
|
256 |
|
|
enum e4k_if_filter filt;
|
257 |
|
|
int bw, rc;
|
258 |
|
|
|
259 |
|
|
if (!strcmp(cmd, "tuner.flt_bw_mix"))
|
260 |
|
|
filt = E4K_IF_FILTER_MIX;
|
261 |
|
|
else if (!strcmp(cmd, "tuner.flt_bw_chan"))
|
262 |
|
|
filt = E4K_IF_FILTER_CHAN;
|
263 |
|
|
else if (!strcmp(cmd, "tuner.flt_bw_rc"))
|
264 |
|
|
filt = E4K_IF_FILTER_RC;
|
265 |
|
|
else
|
266 |
|
|
return -EINVAL;
|
267 |
|
|
|
268 |
|
|
switch (op) {
|
269 |
|
|
case CMD_OP_GET:
|
270 |
|
|
bw = e4k_if_filter_bw_get(&e4k, filt);
|
271 |
|
|
uart_cmd_out(cs, "%s:%d\n\r", cmd, bw);
|
272 |
|
|
break;
|
273 |
|
|
case CMD_OP_SET:
|
274 |
|
|
if (argc < 1)
|
275 |
|
|
return -EINVAL;
|
276 |
|
|
rc = e4k_if_filter_bw_set(&e4k, filt, atoi(argv[0]));
|
277 |
|
|
if (rc < 0)
|
278 |
|
|
return -EINVAL;
|
279 |
|
|
break;
|
280 |
|
|
default:
|
281 |
|
|
return -EINVAL;
|
282 |
|
|
}
|
283 |
|
|
|
284 |
|
|
return 0;
|
285 |
|
|
}
|
286 |
|
|
|
287 |
bd2b9a96
|
Harald Welte
|
static int cmd_tuner_dco(struct cmd_state *cs, enum cmd_op op,
|
288 |
|
|
const char *cmd, int argc, char **argv)
|
289 |
|
|
{
|
290 |
|
|
return e4k_dc_offset_calibrate(&e4k);
|
291 |
|
|
}
|
292 |
|
|
|
293 |
|
|
static int cmd_tuner_dco_table(struct cmd_state *cs, enum cmd_op op,
|
294 |
|
|
const char *cmd, int argc, char **argv)
|
295 |
|
|
{
|
296 |
|
|
return e4k_dc_offset_gen_table(&e4k);
|
297 |
|
|
}
|
298 |
|
|
|
299 |
463a3f9c
|
Christian Daniel
|
static int cmd_tuner_commonmode(struct cmd_state *cs, enum cmd_op op,
|
300 |
|
|
const char *cmd, int argc, char **argv)
|
301 |
|
|
{
|
302 |
|
|
int32_t cm;
|
303 |
|
|
|
304 |
|
|
switch (op) {
|
305 |
|
|
case CMD_OP_SET:
|
306 |
|
|
if (argc < 1)
|
307 |
|
|
return -EINVAL;
|
308 |
|
|
cm = strtoul(argv[0], NULL, 10);
|
309 |
|
|
e4k_commonmode_set(&e4k, cm);
|
310 |
|
|
break;
|
311 |
|
|
default:
|
312 |
|
|
return -EINVAL;
|
313 |
|
|
}
|
314 |
|
|
return 0;
|
315 |
|
|
}
|
316 |
|
|
|
317 |
4683c1c2
|
Christian Daniel
|
static int cmd_tuner_iqofs(struct cmd_state *cs, enum cmd_op op,
|
318 |
|
|
const char *cmd, int argc, char ** argv)
|
319 |
|
|
{
|
320 |
|
|
int iofs;
|
321 |
|
|
int qofs;
|
322 |
|
|
int irange;
|
323 |
|
|
int qrange;
|
324 |
|
|
|
325 |
|
|
if(op != CMD_OP_SET)
|
326 |
|
|
return -EINVAL;
|
327 |
|
|
if(argc < 4)
|
328 |
|
|
return -EINVAL;
|
329 |
|
|
|
330 |
|
|
iofs = strtol(argv[0], NULL, 10);
|
331 |
|
|
qofs = strtol(argv[1], NULL, 10);
|
332 |
|
|
irange = strtol(argv[2], NULL, 10);
|
333 |
|
|
qrange = strtol(argv[3], NULL, 10);
|
334 |
|
|
|
335 |
|
|
return e4k_manual_dc_offset(&e4k, iofs, irange, qofs, qrange);
|
336 |
|
|
}
|
337 |
|
|
|
338 |
b93708ed
|
Christian Daniel
|
static int cmd_tuner_dump(struct cmd_state *cs, enum cmd_op op,
|
339 |
|
|
const char *cmd, int argc, char ** argv)
|
340 |
|
|
{
|
341 |
|
|
return e4k_dump(&e4k);
|
342 |
|
|
}
|
343 |
|
|
|
344 |
a95b61f3
|
Sylvain Munaut
|
static int cmd_dfu(struct cmd_state *cs, enum cmd_op op,
|
345 |
|
|
const char *cmd, int argc, char ** argv)
|
346 |
|
|
{
|
347 |
|
|
*((volatile unsigned long *)USB_DFU_MAGIC_ADDR) = USB_DFU_MAGIC;
|
348 |
|
|
NVIC_SystemReset();
|
349 |
|
|
}
|
350 |
|
|
|
351 |
c4166bf8
|
Harald Welte
|
static struct cmd cmds[] = {
|
352 |
8930b8a3
|
Harald Welte
|
{ "tuner.init", CMD_OP_EXEC, cmd_tuner_init,
|
353 |
c4166bf8
|
Harald Welte
|
"Initialize the tuner" },
|
354 |
b93708ed
|
Christian Daniel
|
{ "tuner.dump", CMD_OP_EXEC, cmd_tuner_dump,
|
355 |
|
|
"Dump E4k registers" },
|
356 |
c4166bf8
|
Harald Welte
|
{ "tuner.freq", CMD_OP_SET|CMD_OP_GET, cmd_rf_freq,
|
357 |
|
|
"Tune to the specified frequency" },
|
358 |
f49513d4
|
Harald Welte
|
{ "tuner.gain", CMD_OP_SET, cmd_tuner_gain,
|
359 |
8930b8a3
|
Harald Welte
|
"Tune to the specified gain" },
|
360 |
67877f16
|
Harald Welte
|
{ "tuner.flt_bw_mix", CMD_OP_SET|CMD_OP_GET, cmd_flt_bw,
|
361 |
|
|
"Filter bandwidth (Mixer)" },
|
362 |
|
|
{ "tuner.flt_bw_chan", CMD_OP_SET|CMD_OP_GET, cmd_flt_bw,
|
363 |
|
|
"Filter bandwidth (Channel)" },
|
364 |
|
|
{ "tuner.flt_bw_rc", CMD_OP_SET|CMD_OP_GET, cmd_flt_bw,
|
365 |
|
|
"Filter bandwidth (RC)" },
|
366 |
bd2b9a96
|
Harald Welte
|
{ "tuner.dc_calib", CMD_OP_EXEC, cmd_tuner_dco,
|
367 |
|
|
"Perform DC offset calibration" },
|
368 |
|
|
{ "tuner.dc_table", CMD_OP_EXEC, cmd_tuner_dco_table,
|
369 |
|
|
"Generate DC offset table" },
|
370 |
463a3f9c
|
Christian Daniel
|
{ "tuner.commonmode", CMD_OP_SET, cmd_tuner_commonmode,
|
371 |
|
|
"Switch common mode voltage" },
|
372 |
4683c1c2
|
Christian Daniel
|
{ "tuner.iqofs", CMD_OP_SET, cmd_tuner_iqofs,
|
373 |
|
|
"Manually set I/Q offset and correction range" },
|
374 |
2a2c03a7
|
Harald Welte
|
|
375 |
c4166bf8
|
Harald Welte
|
{ "si570.freq", CMD_OP_SET|CMD_OP_GET, cmd_si570_freq,
|
376 |
|
|
"Change the SI570 clock frequency" },
|
377 |
|
|
{ "si570.dump", CMD_OP_EXEC, cmd_si570_dump,
|
378 |
|
|
"Dump SI570 registers" },
|
379 |
2a2c03a7
|
Harald Welte
|
|
380 |
a95b61f3
|
Sylvain Munaut
|
{ "dfu", CMD_OP_EXEC, cmd_dfu,
|
381 |
|
|
"Enter DFU mode" },
|
382 |
c4166bf8
|
Harald Welte
|
};
|
383 |
|
|
|
384 |
a4d26bb5
|
Harald Welte
|
//------------------------------------------------------------------------------
|
385 |
|
|
/// Main function
|
386 |
|
|
//------------------------------------------------------------------------------
|
387 |
|
|
int main(void)
|
388 |
|
|
{
|
389 |
|
|
unsigned char key;
|
390 |
|
|
unsigned char isValid;
|
391 |
|
|
|
392 |
|
|
// Configure all pins
|
393 |
|
|
PIO_Configure(pins, PIO_LISTSIZE(pins));
|
394 |
|
|
|
395 |
|
|
LED_Configure(0);
|
396 |
|
|
LED_Set(0);
|
397 |
|
|
LED_Configure(1);
|
398 |
|
|
LED_Set(1);
|
399 |
|
|
|
400 |
|
|
// Initialize the DBGU
|
401 |
|
|
TRACE_CONFIGURE(DBGU_STANDARD, 115200, BOARD_MCK);
|
402 |
|
|
|
403 |
|
|
// Switch to Main clock
|
404 |
|
|
AT91C_BASE_PMC->PMC_MCKR = (AT91C_BASE_PMC->PMC_MCKR & ~AT91C_PMC_CSS) | AT91C_PMC_CSS_MAIN_CLK;
|
405 |
|
|
while ((AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY) == 0);
|
406 |
|
|
|
407 |
|
|
// Configure PLL to 98.285MHz
|
408 |
|
|
*AT91C_CKGR_PLLR = ((1 << 29) | (171 << AT91C_CKGR_MUL_SHIFT) \
|
409 |
|
|
| (0x0 << AT91C_CKGR_OUT_SHIFT) |(0x3f << AT91C_CKGR_PLLCOUNT_SHIFT) \
|
410 |
|
|
| (21 << AT91C_CKGR_DIV_SHIFT));
|
411 |
|
|
while ((AT91C_BASE_PMC->PMC_SR & AT91C_PMC_LOCK) == 0);
|
412 |
|
|
|
413 |
|
|
// Configure master clock in two operations
|
414 |
|
|
AT91C_BASE_PMC->PMC_MCKR = (( AT91C_PMC_PRES_CLK_2 | AT91C_PMC_CSS_PLLA_CLK) & ~AT91C_PMC_CSS) | AT91C_PMC_CSS_MAIN_CLK;
|
415 |
|
|
while ((AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY) == 0);
|
416 |
|
|
AT91C_BASE_PMC->PMC_MCKR = ( AT91C_PMC_PRES_CLK_2 | AT91C_PMC_CSS_PLLA_CLK);
|
417 |
|
|
while ((AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY) == 0);
|
418 |
|
|
|
419 |
|
|
// DBGU reconfiguration
|
420 |
|
|
DBGU_Configure(DBGU_STANDARD, 115200, SSC_MCK);
|
421 |
|
|
|
422 |
|
|
// Configure and enable the TWI (required for accessing the DAC)
|
423 |
|
|
*AT91C_PMC_PCER = (1<< AT91C_ID_TWI0);
|
424 |
|
|
TWI_ConfigureMaster(AT91C_BASE_TWI0, TWI_CLOCK, SSC_MCK);
|
425 |
|
|
TWID_Initialize(&twid, AT91C_BASE_TWI0);
|
426 |
|
|
|
427 |
dc23dc5a
|
Harald Welte
|
printf("-- OsmoSDR firmware (" BOARD_NAME ") " GIT_REVISION " --\n\r");
|
428 |
a4d26bb5
|
Harald Welte
|
printf("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
|
429 |
|
|
|
430 |
c4166bf8
|
Harald Welte
|
req_ctx_init();
|
431 |
|
|
PIO_InitializeInterrupts(0);
|
432 |
|
|
|
433 |
|
|
cmd_state.out = vprintf;
|
434 |
|
|
uart_cmd_reset(&cmd_state);
|
435 |
|
|
uart_cmds_register(cmds, sizeof(cmds)/sizeof(cmds[0]));
|
436 |
e81bf0ed
|
Harald Welte
|
|
437 |
|
|
fastsource_init();
|
438 |
|
|
VBus_Configure();
|
439 |
|
|
|
440 |
45f0e31e
|
Harald Welte
|
power_peripherals(1);
|
441 |
c4166bf8
|
Harald Welte
|
|
442 |
45f0e31e
|
Harald Welte
|
si570_init(&si570, &twid, SI570_I2C_ADDR);
|
443 |
|
|
set_si570_freq(30000000);
|
444 |
c4166bf8
|
Harald Welte
|
|
445 |
|
|
sam3u_e4k_init(&e4k, &twid, E4K_I2C_ADDR);
|
446 |
65f6e41c
|
Christian Daniel
|
e4k.vco.fosc = 30000000;
|
447 |
c4166bf8
|
Harald Welte
|
|
448 |
45f0e31e
|
Harald Welte
|
osdr_fpga_init(SSC_MCK);
|
449 |
a5d9d2de
|
Christian Daniel
|
//osdr_fpga_reg_write(OSDR_FPGA_REG_ADC_TIMING, (1 << 8) | 255);
|
450 |
65f6e41c
|
Christian Daniel
|
//osdr_fpga_reg_write(OSDR_FPGA_REG_PWM1, (1 << 400) | 800);
|
451 |
a5d9d2de
|
Christian Daniel
|
osdr_fpga_set_iq_swap(0);
|
452 |
45f0e31e
|
Harald Welte
|
|
453 |
02974149
|
Harald Welte
|
ssc_init();
|
454 |
d62195b0
|
Christian Daniel
|
e4k_init(&e4k);
|
455 |
|
|
e4k_init(&e4k);
|
456 |
02974149
|
Harald Welte
|
|
457 |
a4d26bb5
|
Harald Welte
|
// Enter menu loop
|
458 |
|
|
while (1) {
|
459 |
|
|
|
460 |
65f6e41c
|
Christian Daniel
|
if (DBGU_IsRxReady()) {
|
461 |
e81bf0ed
|
Harald Welte
|
key = DBGU_GetChar();
|
462 |
|
|
// Process user input
|
463 |
65f6e41c
|
Christian Daniel
|
if (uart_cmd_char(&cmd_state, key) == 1) {
|
464 |
|
|
//ssc_stats();
|
465 |
|
|
}
|
466 |
|
|
}
|
467 |
|
|
ssc_dma_start();
|
468 |
|
|
fastsource_start();
|
469 |
a4d26bb5
|
Harald Welte
|
}
|
470 |
|
|
}
|