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Copy pathprom.lst
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prom.lst
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1 .file "prom.c"
2 __SP_H__ = 0x3e
3 __SP_L__ = 0x3d
4 __SREG__ = 0x3f
5 __RAMPZ__ = 0x3b
6 __tmp_reg__ = 0
7 __zero_reg__ = 1
8 .text
9 .Ltext0:
10 .cfi_sections .debug_frame
11 .section .text.hexdigit,"ax",@progbits
13 hexdigit:
14 .LFB7:
15 .file 1 "prom.c"
1:prom.c **** /**
2:prom.c **** * \file PROM dancer
3:prom.c **** *
4:prom.c **** * Read up to 40 pin DIP PROMs using a Teensy++ 2.0
5:prom.c **** */
6:prom.c ****
7:prom.c **** #include <avr/io.h>
8:prom.c **** #include <avr/pgmspace.h>
9:prom.c **** #include <avr/interrupt.h>
10:prom.c **** #include <stdint.h>
11:prom.c **** #include <string.h>
12:prom.c **** #include <util/delay.h>
13:prom.c **** #include "usb_serial.h"
14:prom.c **** #include "xmodem.h"
15:prom.c **** #include "bits.h"
16:prom.c **** #include "chips.h"
17:prom.c ****
18:prom.c **** void send_str(const char *s);
19:prom.c **** void send_mem_str(const char *s);
20:prom.c **** uint8_t recv_str(char *buf, uint8_t size);
21:prom.c **** void parse_and_execute_command(const char *buf, uint8_t num);
22:prom.c ****
23:prom.c **** static uint8_t
24:prom.c **** hexdigit(
25:prom.c **** uint8_t x
26:prom.c **** )
27:prom.c **** {
16 .loc 1 27 0
17 .cfi_startproc
18 .LVL0:
19 /* prologue: function */
20 /* frame size = 0 */
21 /* stack size = 0 */
22 .L__stack_usage = 0
28:prom.c **** x &= 0xF;
23 .loc 1 28 0
24 0000 8F70 andi r24,lo8(15)
25 .LVL1:
29:prom.c **** if (x < 0xA)
26 .loc 1 29 0
27 0002 8A30 cpi r24,lo8(10)
28 0004 00F4 brsh .L2
30:prom.c **** return x + '0' - 0x0;
29 .loc 1 30 0
30 0006 805D subi r24,lo8(-(48))
31 .LVL2:
32 0008 0895 ret
33 .LVL3:
34 .L2:
31:prom.c **** else
32:prom.c **** return x + 'A' - 0xA;
35 .loc 1 32 0
36 000a 895C subi r24,lo8(-(55))
37 .LVL4:
33:prom.c **** }
38 .loc 1 33 0
39 000c 0895 ret
40 .cfi_endproc
41 .LFE7:
43 .section .text.prom_pin,"ax",@progbits
45 prom_pin:
46 .LFB9:
34:prom.c ****
35:prom.c ****
36:prom.c **** static uint8_t
37:prom.c **** printable(
38:prom.c **** uint8_t x
39:prom.c **** )
40:prom.c **** {
41:prom.c **** if ('A' <= x && x <= 'Z')
42:prom.c **** return 1;
43:prom.c **** if ('a' <= x && x <= 'z')
44:prom.c **** return 1;
45:prom.c **** if ('0' <= x && x <= '9')
46:prom.c **** return 1;
47:prom.c **** if (x == ' ')
48:prom.c **** return 1;
49:prom.c ****
50:prom.c **** return 0;
51:prom.c **** }
52:prom.c ****
53:prom.c ****
54:prom.c **** /** Total number of mapped pins.
55:prom.c **** * This is unlikely to change without a significant hardware redesign.
56:prom.c **** */
57:prom.c **** #define ZIF_PINS 40
58:prom.c ****
59:prom.c **** /** Mapping of AVR IO ports to the ZIF socket pins */
60:prom.c **** static const uint8_t ports[ZIF_PINS+1] = {
61:prom.c **** [ 1] = 0xB6,
62:prom.c **** [ 2] = 0xB5,
63:prom.c **** [ 3] = 0xB4,
64:prom.c **** [ 4] = 0xB3,
65:prom.c **** [ 5] = 0xB2,
66:prom.c **** [ 6] = 0xB1,
67:prom.c **** [ 7] = 0xB0,
68:prom.c **** [ 8] = 0xE7,
69:prom.c **** [ 9] = 0xE6,
70:prom.c **** [10] = 0xA2,
71:prom.c **** [11] = 0xA1,
72:prom.c **** [12] = 0xF0,
73:prom.c **** [13] = 0xF1,
74:prom.c **** [14] = 0xF2,
75:prom.c **** [15] = 0xF3,
76:prom.c **** [16] = 0xF4,
77:prom.c **** [17] = 0xF5,
78:prom.c **** [18] = 0xF6,
79:prom.c **** [19] = 0xF7,
80:prom.c **** [20] = 0xA3,
81:prom.c ****
82:prom.c **** [21] = 0xA7,
83:prom.c **** [22] = 0xC7,
84:prom.c **** [23] = 0xC6,
85:prom.c **** [24] = 0xC5,
86:prom.c **** [25] = 0xC4,
87:prom.c **** [26] = 0xC3,
88:prom.c **** [27] = 0xC2,
89:prom.c **** [28] = 0xC1,
90:prom.c **** [29] = 0xC0,
91:prom.c **** [30] = 0xE1,
92:prom.c **** [31] = 0xE0,
93:prom.c **** [32] = 0xD7,
94:prom.c **** [33] = 0xD6,
95:prom.c **** [34] = 0xD5,
96:prom.c **** [35] = 0xD4,
97:prom.c **** [36] = 0xD3,
98:prom.c **** [37] = 0xD2,
99:prom.c **** [38] = 0xD1,
100:prom.c **** [39] = 0xD0,
101:prom.c **** [40] = 0xB7,
102:prom.c **** };
103:prom.c ****
104:prom.c **** /** Select one of the chips */
105:prom.c **** static const prom_t * prom = &proms[0];
106:prom.c ****
107:prom.c ****
108:prom.c **** /** Translate PROM pin numbers into ZIF pin numbers */
109:prom.c **** static inline uint8_t
110:prom.c **** prom_pin(
111:prom.c **** const uint8_t pin
112:prom.c **** )
113:prom.c **** {
47 .loc 1 113 0
48 .cfi_startproc
49 .LVL5:
50 /* prologue: function */
51 /* frame size = 0 */
52 /* stack size = 0 */
53 .L__stack_usage = 0
114:prom.c **** if (pin <= prom->pins / 2)
54 .loc 1 114 0
55 0000 E091 0000 lds r30,prom
56 0004 F091 0000 lds r31,prom+1
57 0008 9189 ldd r25,Z+17
58 000a 492F mov r20,r25
59 000c 4695 lsr r20
60 000e 282F mov r18,r24
61 0010 30E0 ldi r19,0
115:prom.c **** return ports[pin];
62 .loc 1 115 0
63 0012 F901 movw r30,r18
114:prom.c **** if (pin <= prom->pins / 2)
64 .loc 1 114 0
65 0014 4817 cp r20,r24
66 0016 00F4 brsh .L8
116:prom.c **** else
117:prom.c **** return ports[pin + ZIF_PINS - prom->pins];
67 .loc 1 117 0
68 0018 B896 adiw r30,40
69 001a E91B sub r30,r25
70 001c F109 sbc r31,__zero_reg__
71 .L8:
72 001e E050 subi r30,lo8(-(ports))
73 0020 F040 sbci r31,hi8(-(ports))
74 0022 8081 ld r24,Z
75 .LVL6:
118:prom.c **** }
76 .loc 1 118 0
77 0024 0895 ret
78 .cfi_endproc
79 .LFE9:
81 .section .text.prom_tristate,"ax",@progbits
83 prom_tristate:
84 .LFB15:
119:prom.c ****
120:prom.c ****
121:prom.c **** /** Generate a 0.5 MHz clock on the XTAL pin to drive the chip
122:prom.c **** * if it does not have a built in oscillator enabled.
123:prom.c **** */
124:prom.c **** static void
125:prom.c **** isp_clock(
126:prom.c **** uint8_t cycles
127:prom.c **** )
128:prom.c **** {
129:prom.c **** const uint8_t xtal = prom_pin(prom->addr_pins[ISP_XTAL]);
130:prom.c **** for (uint8_t i = 0 ; i < cycles ; i++)
131:prom.c **** {
132:prom.c **** out(xtal, 1);
133:prom.c **** _delay_us(1);
134:prom.c **** out(xtal, 0);
135:prom.c **** _delay_us(1);
136:prom.c **** }
137:prom.c **** }
138:prom.c ****
139:prom.c ****
140:prom.c **** /** Send a byte to an AVR ISP enabled chip and read a result.
141:prom.c **** * Since the AVR ISP is bidirectional, every byte out is also a byte in.
142:prom.c **** */
143:prom.c **** static uint8_t
144:prom.c **** isp_write(
145:prom.c **** uint8_t byte
146:prom.c **** )
147:prom.c **** {
148:prom.c **** const uint8_t mosi = prom_pin(prom->addr_pins[ISP_MOSI]);
149:prom.c **** const uint8_t sck = prom_pin(prom->addr_pins[ISP_SCK]);
150:prom.c **** const uint8_t miso = prom_pin(prom->data_pins[ISP_MISO]);
151:prom.c **** uint8_t rc = 0;
152:prom.c ****
153:prom.c **** for (uint8_t i = 0 ; i < 8 ; i++, byte <<= 1)
154:prom.c **** {
155:prom.c **** out(mosi, (byte & 0x80) ? 1 : 0);
156:prom.c **** isp_clock(4);
157:prom.c ****
158:prom.c **** out(sck, 1);
159:prom.c **** isp_clock(4);
160:prom.c ****
161:prom.c **** rc = (rc << 1) | (in(miso) ? 1 : 0);
162:prom.c **** out(sck, 0);
163:prom.c **** }
164:prom.c ****
165:prom.c **** return rc;
166:prom.c **** }
167:prom.c ****
168:prom.c ****
169:prom.c **** /** Enter programming mode for an ISP chip.
170:prom.c **** * \return 1 on success, 0 on failure.
171:prom.c **** */
172:prom.c **** static int
173:prom.c **** isp_setup(void)
174:prom.c **** {
175:prom.c **** // Pulse the RESET pin, while holding SCK low.
176:prom.c **** const uint8_t sck = prom_pin(prom->addr_pins[ISP_SCK]);
177:prom.c **** const uint8_t reset = prom_pin(prom->addr_pins[ISP_RESET]);
178:prom.c **** const uint8_t miso = prom_pin(prom->data_pins[ISP_MISO]);
179:prom.c **** out(sck, 0);
180:prom.c **** out(reset, 1);
181:prom.c **** isp_clock(4);
182:prom.c **** out(reset, 0);
183:prom.c **** isp_clock(255);
184:prom.c ****
185:prom.c **** // Now delay at least 20 ms
186:prom.c **** _delay_ms(20);
187:prom.c ****
188:prom.c **** uint8_t rc1, rc2, rc3, rc4;
189:prom.c ****
190:prom.c **** // Enter programming mode; enable pull up on the MISO pin
191:prom.c **** out(miso, 1);
192:prom.c ****
193:prom.c **** rc1 = isp_write(0xAC);
194:prom.c **** rc2 = isp_write(0x53);
195:prom.c **** rc3 = isp_write(0x12);
196:prom.c **** rc4 = isp_write(0x34);
197:prom.c ****
198:prom.c **** // Disable pull up
199:prom.c **** out(miso, 0);
200:prom.c ****
201:prom.c **** if (rc3 == 0x53)
202:prom.c **** return 1;
203:prom.c ****
204:prom.c **** // Now show what we read
205:prom.c **** uint8_t buf[10];
206:prom.c **** buf[0] = hexdigit(rc1 >> 4);
207:prom.c **** buf[1] = hexdigit(rc1 >> 0);
208:prom.c **** buf[2] = hexdigit(rc2 >> 4);
209:prom.c **** buf[3] = hexdigit(rc2 >> 0);
210:prom.c **** buf[4] = hexdigit(rc3 >> 4);
211:prom.c **** buf[5] = hexdigit(rc3 >> 0);
212:prom.c **** buf[6] = hexdigit(rc4 >> 4);
213:prom.c **** buf[7] = hexdigit(rc4 >> 0);
214:prom.c ****
215:prom.c **** buf[8] = '\r';
216:prom.c **** buf[9] = '\n';
217:prom.c ****
218:prom.c **** usb_serial_write(buf, sizeof(buf));
219:prom.c **** return 0;
220:prom.c **** }
221:prom.c ****
222:prom.c ****
223:prom.c **** /** Read a byte using the AVRISP, instead of the normal PROM format.
224:prom.c **** */
225:prom.c **** static uint8_t
226:prom.c **** isp_read(
227:prom.c **** uint32_t addr
228:prom.c **** )
229:prom.c **** {
230:prom.c **** uint8_t h = (addr >> 12) & 0x01;
231:prom.c **** uint8_t a = (addr >> 8) & 0x0F;
232:prom.c **** uint8_t b = (addr >> 0) & 0xFF;
233:prom.c **** isp_write(0x20 | (h ? 0x8 : 0));
234:prom.c **** isp_write(a);
235:prom.c **** isp_write(b);
236:prom.c **** return isp_write(0);
237:prom.c **** }
238:prom.c ****
239:prom.c ****
240:prom.c ****
241:prom.c **** /** Configure all of the IO pins for the new PROM type */
242:prom.c **** static void
243:prom.c **** prom_setup(void)
244:prom.c **** {
245:prom.c **** // Configure all of the address pins as outputs,
246:prom.c **** // pulled low for now
247:prom.c **** for (uint8_t i = 0 ; i < array_count(prom->addr_pins) ; i++)
248:prom.c **** {
249:prom.c **** uint8_t pin = prom_pin(prom->addr_pins[i]);
250:prom.c **** if (pin == 0)
251:prom.c **** continue;
252:prom.c **** out(pin, 0);
253:prom.c **** ddr(pin, 1);
254:prom.c **** }
255:prom.c ****
256:prom.c **** // Configure all of the data pins as inputs,
257:prom.c **** // Enable pullups if specified.
258:prom.c **** for (uint8_t i = 0 ; i < array_count(prom->data_pins) ; i++)
259:prom.c **** {
260:prom.c **** uint8_t pin = prom_pin(prom->data_pins[i]);
261:prom.c **** if (pin == 0)
262:prom.c **** continue;
263:prom.c **** if ((prom->options & OPTIONS_PULLUPS) != 0) {
264:prom.c **** out(pin, 1);
265:prom.c **** } else {
266:prom.c **** out(pin, 0);
267:prom.c **** }
268:prom.c **** ddr(pin, 0);
269:prom.c **** }
270:prom.c ****
271:prom.c **** // Configure all of the hi and low pins as outputs.
272:prom.c **** // Do the low pins first to bring them to ground potential,
273:prom.c **** // then the high pins.
274:prom.c **** for (uint8_t i = 0 ; i < array_count(prom->lo_pins) ; i++)
275:prom.c **** {
276:prom.c **** uint8_t pin = prom_pin(prom->lo_pins[i]);
277:prom.c **** if (pin == 0)
278:prom.c **** continue;
279:prom.c **** out(pin, 0);
280:prom.c **** ddr(pin, 1);
281:prom.c **** }
282:prom.c ****
283:prom.c **** for (uint8_t i = 0 ; i < array_count(prom->hi_pins) ; i++)
284:prom.c **** {
285:prom.c **** uint8_t pin = prom_pin(prom->hi_pins[i]);
286:prom.c **** if (pin == 0)
287:prom.c **** continue;
288:prom.c **** out(pin, 1);
289:prom.c **** ddr(pin, 1);
290:prom.c **** }
291:prom.c ****
292:prom.c ****
293:prom.c **** // Let things stabilize for a little while
294:prom.c **** _delay_ms(250);
295:prom.c ****
296:prom.c **** // If this is an AVR ISP chip, try to go into programming mode
297:prom.c **** if (prom->data_width == 0)
298:prom.c **** isp_setup();
299:prom.c **** }
300:prom.c ****
301:prom.c ****
302:prom.c **** /** Switch all of the ZIF pins back to tri-state to make it safe.
303:prom.c **** * Doesn't matter what PROM is inserted.
304:prom.c **** */
305:prom.c **** static void
306:prom.c **** prom_tristate(void)
307:prom.c **** {
85 .loc 1 307 0
86 .cfi_startproc
87 0000 1F93 push r17
88 .LCFI0:
89 .cfi_def_cfa_offset 3
90 .cfi_offset 17, -2
91 0002 CF93 push r28
92 .LCFI1:
93 .cfi_def_cfa_offset 4
94 .cfi_offset 28, -3
95 0004 DF93 push r29
96 .LCFI2:
97 .cfi_def_cfa_offset 5
98 .cfi_offset 29, -4
99 /* prologue: function */
100 /* frame size = 0 */
101 /* stack size = 3 */
102 .L__stack_usage = 3
103 .LVL7:
104 0006 C0E0 ldi r28,lo8(ports+1)
105 0008 D0E0 ldi r29,hi8(ports+1)
106 .LVL8:
107 .L10:
108 .LBB29:
308:prom.c **** for (uint8_t i = 1 ; i <= ZIF_PINS ; i++)
309:prom.c **** {
310:prom.c **** ddr(ports[i], 0);
109 .loc 1 310 0 discriminator 3
110 000a 1991 ld r17,Y+
111 .LVL9:
112 000c 60E0 ldi r22,0
113 000e 812F mov r24,r17
114 0010 0E94 0000 call ddr
115 .LVL10:
311:prom.c **** out(ports[i], 0);
116 .loc 1 311 0 discriminator 3
117 0014 60E0 ldi r22,0
118 0016 812F mov r24,r17
119 0018 0E94 0000 call out
120 .LVL11:
308:prom.c **** for (uint8_t i = 1 ; i <= ZIF_PINS ; i++)
121 .loc 1 308 0 discriminator 3
122 001c 80E0 ldi r24,hi8(ports+41)
123 001e C030 cpi r28,lo8(ports+41)
124 0020 D807 cpc r29,r24
125 0022 01F4 brne .L10
126 /* epilogue start */
127 .LBE29:
312:prom.c **** }
313:prom.c **** }
128 .loc 1 313 0
129 0024 DF91 pop r29
130 0026 CF91 pop r28
131 .LVL12:
132 0028 1F91 pop r17
133 002a 0895 ret
134 .cfi_endproc
135 .LFE15:
137 .section .text.isp_clock,"ax",@progbits
139 isp_clock:
140 .LFB10:
128:prom.c **** const uint8_t xtal = prom_pin(prom->addr_pins[ISP_XTAL]);
141 .loc 1 128 0
142 .cfi_startproc
143 .LVL13:
144 0000 1F93 push r17
145 .LCFI3:
146 .cfi_def_cfa_offset 3
147 .cfi_offset 17, -2
148 0002 CF93 push r28
149 .LCFI4:
150 .cfi_def_cfa_offset 4
151 .cfi_offset 28, -3
152 0004 DF93 push r29
153 .LCFI5:
154 .cfi_def_cfa_offset 5
155 .cfi_offset 29, -4
156 /* prologue: function */
157 /* frame size = 0 */
158 /* stack size = 3 */
159 .L__stack_usage = 3
160 0006 182F mov r17,r24
129:prom.c **** for (uint8_t i = 0 ; i < cycles ; i++)
161 .loc 1 129 0
162 0008 E091 0000 lds r30,prom
163 000c F091 0000 lds r31,prom+1
164 0010 8789 ldd r24,Z+23
165 .LVL14:
166 0012 0E94 0000 call prom_pin
167 .LVL15:
168 0016 D82F mov r29,r24
169 .LVL16:
170 .LBB30:
130:prom.c **** {
171 .loc 1 130 0
172 0018 C0E0 ldi r28,0
173 .LVL17:
174 .L13:
130:prom.c **** {
175 .loc 1 130 0 is_stmt 0 discriminator 1
176 001a C117 cp r28,r17
177 001c 01F0 breq .L15
132:prom.c **** _delay_us(1);
178 .loc 1 132 0 is_stmt 1 discriminator 3
179 001e 61E0 ldi r22,lo8(1)
180 0020 8D2F mov r24,r29
181 0022 0E94 0000 call out
182 .LVL18:
183 .LBB31:
184 .LBB32:
185 .file 2 "/usr/lib/avr/include/util/delay.h"
1:/usr/lib/avr/include/util/delay.h **** /* Copyright (c) 2002, Marek Michalkiewicz
2:/usr/lib/avr/include/util/delay.h **** Copyright (c) 2004,2005,2007 Joerg Wunsch
3:/usr/lib/avr/include/util/delay.h **** Copyright (c) 2007 Florin-Viorel Petrov
4:/usr/lib/avr/include/util/delay.h **** All rights reserved.
5:/usr/lib/avr/include/util/delay.h ****
6:/usr/lib/avr/include/util/delay.h **** Redistribution and use in source and binary forms, with or without
7:/usr/lib/avr/include/util/delay.h **** modification, are permitted provided that the following conditions are met:
8:/usr/lib/avr/include/util/delay.h ****
9:/usr/lib/avr/include/util/delay.h **** * Redistributions of source code must retain the above copyright
10:/usr/lib/avr/include/util/delay.h **** notice, this list of conditions and the following disclaimer.
11:/usr/lib/avr/include/util/delay.h ****
12:/usr/lib/avr/include/util/delay.h **** * Redistributions in binary form must reproduce the above copyright
13:/usr/lib/avr/include/util/delay.h **** notice, this list of conditions and the following disclaimer in
14:/usr/lib/avr/include/util/delay.h **** the documentation and/or other materials provided with the
15:/usr/lib/avr/include/util/delay.h **** distribution.
16:/usr/lib/avr/include/util/delay.h ****
17:/usr/lib/avr/include/util/delay.h **** * Neither the name of the copyright holders nor the names of
18:/usr/lib/avr/include/util/delay.h **** contributors may be used to endorse or promote products derived
19:/usr/lib/avr/include/util/delay.h **** from this software without specific prior written permission.
20:/usr/lib/avr/include/util/delay.h ****
21:/usr/lib/avr/include/util/delay.h **** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22:/usr/lib/avr/include/util/delay.h **** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23:/usr/lib/avr/include/util/delay.h **** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24:/usr/lib/avr/include/util/delay.h **** ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25:/usr/lib/avr/include/util/delay.h **** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26:/usr/lib/avr/include/util/delay.h **** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27:/usr/lib/avr/include/util/delay.h **** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28:/usr/lib/avr/include/util/delay.h **** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29:/usr/lib/avr/include/util/delay.h **** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30:/usr/lib/avr/include/util/delay.h **** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31:/usr/lib/avr/include/util/delay.h **** POSSIBILITY OF SUCH DAMAGE. */
32:/usr/lib/avr/include/util/delay.h ****
33:/usr/lib/avr/include/util/delay.h **** /* $Id$ */
34:/usr/lib/avr/include/util/delay.h ****
35:/usr/lib/avr/include/util/delay.h **** #ifndef _UTIL_DELAY_H_
36:/usr/lib/avr/include/util/delay.h **** #define _UTIL_DELAY_H_ 1
37:/usr/lib/avr/include/util/delay.h ****
38:/usr/lib/avr/include/util/delay.h **** #ifndef __DOXYGEN__
39:/usr/lib/avr/include/util/delay.h **** # ifndef __HAS_DELAY_CYCLES
40:/usr/lib/avr/include/util/delay.h **** # define __HAS_DELAY_CYCLES 1
41:/usr/lib/avr/include/util/delay.h **** # endif
42:/usr/lib/avr/include/util/delay.h **** #endif /* __DOXYGEN__ */
43:/usr/lib/avr/include/util/delay.h ****
44:/usr/lib/avr/include/util/delay.h **** #include <inttypes.h>
45:/usr/lib/avr/include/util/delay.h **** #include <util/delay_basic.h>
46:/usr/lib/avr/include/util/delay.h **** #include <math.h>
47:/usr/lib/avr/include/util/delay.h ****
48:/usr/lib/avr/include/util/delay.h **** /** \file */
49:/usr/lib/avr/include/util/delay.h **** /** \defgroup util_delay <util/delay.h>: Convenience functions for busy-wait delay loops
50:/usr/lib/avr/include/util/delay.h **** \code
51:/usr/lib/avr/include/util/delay.h **** #define F_CPU 1000000UL // 1 MHz
52:/usr/lib/avr/include/util/delay.h **** //#define F_CPU 14.7456E6
53:/usr/lib/avr/include/util/delay.h **** #include <util/delay.h>
54:/usr/lib/avr/include/util/delay.h **** \endcode
55:/usr/lib/avr/include/util/delay.h ****
56:/usr/lib/avr/include/util/delay.h **** \note As an alternative method, it is possible to pass the
57:/usr/lib/avr/include/util/delay.h **** F_CPU macro down to the compiler from the Makefile.
58:/usr/lib/avr/include/util/delay.h **** Obviously, in that case, no \c \#define statement should be
59:/usr/lib/avr/include/util/delay.h **** used.
60:/usr/lib/avr/include/util/delay.h ****
61:/usr/lib/avr/include/util/delay.h **** The functions in this header file are wrappers around the basic
62:/usr/lib/avr/include/util/delay.h **** busy-wait functions from <util/delay_basic.h>. They are meant as
63:/usr/lib/avr/include/util/delay.h **** convenience functions where actual time values can be specified
64:/usr/lib/avr/include/util/delay.h **** rather than a number of cycles to wait for. The idea behind is
65:/usr/lib/avr/include/util/delay.h **** that compile-time constant expressions will be eliminated by
66:/usr/lib/avr/include/util/delay.h **** compiler optimization so floating-point expressions can be used
67:/usr/lib/avr/include/util/delay.h **** to calculate the number of delay cycles needed based on the CPU
68:/usr/lib/avr/include/util/delay.h **** frequency passed by the macro F_CPU.
69:/usr/lib/avr/include/util/delay.h ****
70:/usr/lib/avr/include/util/delay.h **** \note In order for these functions to work as intended, compiler
71:/usr/lib/avr/include/util/delay.h **** optimizations <em>must</em> be enabled, and the delay time
72:/usr/lib/avr/include/util/delay.h **** <em>must</em> be an expression that is a known constant at
73:/usr/lib/avr/include/util/delay.h **** compile-time. If these requirements are not met, the resulting
74:/usr/lib/avr/include/util/delay.h **** delay will be much longer (and basically unpredictable), and
75:/usr/lib/avr/include/util/delay.h **** applications that otherwise do not use floating-point calculations
76:/usr/lib/avr/include/util/delay.h **** will experience severe code bloat by the floating-point library
77:/usr/lib/avr/include/util/delay.h **** routines linked into the application.
78:/usr/lib/avr/include/util/delay.h ****
79:/usr/lib/avr/include/util/delay.h **** The functions available allow the specification of microsecond, and
80:/usr/lib/avr/include/util/delay.h **** millisecond delays directly, using the application-supplied macro
81:/usr/lib/avr/include/util/delay.h **** F_CPU as the CPU clock frequency (in Hertz).
82:/usr/lib/avr/include/util/delay.h ****
83:/usr/lib/avr/include/util/delay.h **** */
84:/usr/lib/avr/include/util/delay.h ****
85:/usr/lib/avr/include/util/delay.h **** #if !defined(__DOXYGEN__)
86:/usr/lib/avr/include/util/delay.h **** static __inline__ void _delay_us(double __us) __attribute__((__always_inline__));
87:/usr/lib/avr/include/util/delay.h **** static __inline__ void _delay_ms(double __ms) __attribute__((__always_inline__));
88:/usr/lib/avr/include/util/delay.h **** #endif
89:/usr/lib/avr/include/util/delay.h ****
90:/usr/lib/avr/include/util/delay.h **** #ifndef F_CPU
91:/usr/lib/avr/include/util/delay.h **** /* prevent compiler error by supplying a default */
92:/usr/lib/avr/include/util/delay.h **** # warning "F_CPU not defined for <util/delay.h>"
93:/usr/lib/avr/include/util/delay.h **** /** \ingroup util_delay
94:/usr/lib/avr/include/util/delay.h **** \def F_CPU
95:/usr/lib/avr/include/util/delay.h **** \brief CPU frequency in Hz
96:/usr/lib/avr/include/util/delay.h ****
97:/usr/lib/avr/include/util/delay.h **** The macro F_CPU specifies the CPU frequency to be considered by
98:/usr/lib/avr/include/util/delay.h **** the delay macros. This macro is normally supplied by the
99:/usr/lib/avr/include/util/delay.h **** environment (e.g. from within a project header, or the project's
100:/usr/lib/avr/include/util/delay.h **** Makefile). The value 1 MHz here is only provided as a "vanilla"
101:/usr/lib/avr/include/util/delay.h **** fallback if no such user-provided definition could be found.
102:/usr/lib/avr/include/util/delay.h ****
103:/usr/lib/avr/include/util/delay.h **** In terms of the delay functions, the CPU frequency can be given as
104:/usr/lib/avr/include/util/delay.h **** a floating-point constant (e.g. 3.6864E6 for 3.6864 MHz).
105:/usr/lib/avr/include/util/delay.h **** However, the macros in <util/setbaud.h> require it to be an
106:/usr/lib/avr/include/util/delay.h **** integer value.
107:/usr/lib/avr/include/util/delay.h **** */
108:/usr/lib/avr/include/util/delay.h **** # define F_CPU 1000000UL
109:/usr/lib/avr/include/util/delay.h **** #endif
110:/usr/lib/avr/include/util/delay.h ****
111:/usr/lib/avr/include/util/delay.h **** #ifndef __OPTIMIZE__
112:/usr/lib/avr/include/util/delay.h **** # warning "Compiler optimizations disabled; functions from <util/delay.h> won't work as designed"
113:/usr/lib/avr/include/util/delay.h **** #endif
114:/usr/lib/avr/include/util/delay.h ****
115:/usr/lib/avr/include/util/delay.h **** #if __HAS_DELAY_CYCLES && defined(__OPTIMIZE__) && \
116:/usr/lib/avr/include/util/delay.h **** !defined(__DELAY_BACKWARD_COMPATIBLE__) && \
117:/usr/lib/avr/include/util/delay.h **** __STDC_HOSTED__
118:/usr/lib/avr/include/util/delay.h **** # include <math.h>
119:/usr/lib/avr/include/util/delay.h **** #endif
120:/usr/lib/avr/include/util/delay.h ****
121:/usr/lib/avr/include/util/delay.h **** /**
122:/usr/lib/avr/include/util/delay.h **** \ingroup util_delay
123:/usr/lib/avr/include/util/delay.h ****
124:/usr/lib/avr/include/util/delay.h **** Perform a delay of \c __ms milliseconds, using _delay_loop_2().
125:/usr/lib/avr/include/util/delay.h ****
126:/usr/lib/avr/include/util/delay.h **** The macro F_CPU is supposed to be defined to a
127:/usr/lib/avr/include/util/delay.h **** constant defining the CPU clock frequency (in Hertz).
128:/usr/lib/avr/include/util/delay.h ****
129:/usr/lib/avr/include/util/delay.h **** The maximal possible delay is 262.14 ms / F_CPU in MHz.
130:/usr/lib/avr/include/util/delay.h ****
131:/usr/lib/avr/include/util/delay.h **** When the user request delay which exceed the maximum possible one,
132:/usr/lib/avr/include/util/delay.h **** _delay_ms() provides a decreased resolution functionality. In this
133:/usr/lib/avr/include/util/delay.h **** mode _delay_ms() will work with a resolution of 1/10 ms, providing
134:/usr/lib/avr/include/util/delay.h **** delays up to 6.5535 seconds (independent from CPU frequency). The
135:/usr/lib/avr/include/util/delay.h **** user will not be informed about decreased resolution.
136:/usr/lib/avr/include/util/delay.h ****
137:/usr/lib/avr/include/util/delay.h **** If the avr-gcc toolchain has __builtin_avr_delay_cycles()
138:/usr/lib/avr/include/util/delay.h **** support, maximal possible delay is 4294967.295 ms/ F_CPU in MHz. For
139:/usr/lib/avr/include/util/delay.h **** values greater than the maximal possible delay, overflows results in
140:/usr/lib/avr/include/util/delay.h **** no delay i.e., 0ms.
141:/usr/lib/avr/include/util/delay.h ****
142:/usr/lib/avr/include/util/delay.h **** Conversion of \c __ms into clock cycles may not always result in
143:/usr/lib/avr/include/util/delay.h **** integer. By default, the clock cycles rounded up to next
144:/usr/lib/avr/include/util/delay.h **** integer. This ensures that the user gets at least \c __ms
145:/usr/lib/avr/include/util/delay.h **** microseconds of delay.
146:/usr/lib/avr/include/util/delay.h ****
147:/usr/lib/avr/include/util/delay.h **** Alternatively, by defining the macro \c __DELAY_ROUND_DOWN__, or
148:/usr/lib/avr/include/util/delay.h **** \c __DELAY_ROUND_CLOSEST__, before including this header file, the
149:/usr/lib/avr/include/util/delay.h **** algorithm can be made to round down, or round to closest integer,
150:/usr/lib/avr/include/util/delay.h **** respectively.
151:/usr/lib/avr/include/util/delay.h ****
152:/usr/lib/avr/include/util/delay.h **** \note
153:/usr/lib/avr/include/util/delay.h ****
154:/usr/lib/avr/include/util/delay.h **** The implementation of _delay_ms() based on
155:/usr/lib/avr/include/util/delay.h **** __builtin_avr_delay_cycles() is not backward compatible with older
156:/usr/lib/avr/include/util/delay.h **** implementations. In order to get functionality backward compatible
157:/usr/lib/avr/include/util/delay.h **** with previous versions, the macro \c "__DELAY_BACKWARD_COMPATIBLE__"
158:/usr/lib/avr/include/util/delay.h **** must be defined before including this header file. Also, the
159:/usr/lib/avr/include/util/delay.h **** backward compatible algorithm will be chosen if the code is
160:/usr/lib/avr/include/util/delay.h **** compiled in a <em>freestanding environment</em> (GCC option
161:/usr/lib/avr/include/util/delay.h **** \c -ffreestanding), as the math functions required for rounding are
162:/usr/lib/avr/include/util/delay.h **** not available to the compiler then.
163:/usr/lib/avr/include/util/delay.h ****
164:/usr/lib/avr/include/util/delay.h **** */
165:/usr/lib/avr/include/util/delay.h **** void
166:/usr/lib/avr/include/util/delay.h **** _delay_ms(double __ms)
167:/usr/lib/avr/include/util/delay.h **** {
168:/usr/lib/avr/include/util/delay.h **** double __tmp ;
169:/usr/lib/avr/include/util/delay.h **** #if __HAS_DELAY_CYCLES && defined(__OPTIMIZE__) && \
170:/usr/lib/avr/include/util/delay.h **** !defined(__DELAY_BACKWARD_COMPATIBLE__) && \
171:/usr/lib/avr/include/util/delay.h **** __STDC_HOSTED__
172:/usr/lib/avr/include/util/delay.h **** uint32_t __ticks_dc;
173:/usr/lib/avr/include/util/delay.h **** extern void __builtin_avr_delay_cycles(unsigned long);
174:/usr/lib/avr/include/util/delay.h **** __tmp = ((F_CPU) / 1e3) * __ms;
175:/usr/lib/avr/include/util/delay.h ****
176:/usr/lib/avr/include/util/delay.h **** #if defined(__DELAY_ROUND_DOWN__)
177:/usr/lib/avr/include/util/delay.h **** __ticks_dc = (uint32_t)fabs(__tmp);
178:/usr/lib/avr/include/util/delay.h ****
179:/usr/lib/avr/include/util/delay.h **** #elif defined(__DELAY_ROUND_CLOSEST__)
180:/usr/lib/avr/include/util/delay.h **** __ticks_dc = (uint32_t)(fabs(__tmp)+0.5);
181:/usr/lib/avr/include/util/delay.h ****
182:/usr/lib/avr/include/util/delay.h **** #else
183:/usr/lib/avr/include/util/delay.h **** //round up by default
184:/usr/lib/avr/include/util/delay.h **** __ticks_dc = (uint32_t)(ceil(fabs(__tmp)));
185:/usr/lib/avr/include/util/delay.h **** #endif
186:/usr/lib/avr/include/util/delay.h ****
187:/usr/lib/avr/include/util/delay.h **** __builtin_avr_delay_cycles(__ticks_dc);
188:/usr/lib/avr/include/util/delay.h ****
189:/usr/lib/avr/include/util/delay.h **** #else
190:/usr/lib/avr/include/util/delay.h **** uint16_t __ticks;
191:/usr/lib/avr/include/util/delay.h **** __tmp = ((F_CPU) / 4e3) * __ms;
192:/usr/lib/avr/include/util/delay.h **** if (__tmp < 1.0)
193:/usr/lib/avr/include/util/delay.h **** __ticks = 1;
194:/usr/lib/avr/include/util/delay.h **** else if (__tmp > 65535)
195:/usr/lib/avr/include/util/delay.h **** {
196:/usr/lib/avr/include/util/delay.h **** // __ticks = requested delay in 1/10 ms
197:/usr/lib/avr/include/util/delay.h **** __ticks = (uint16_t) (__ms * 10.0);
198:/usr/lib/avr/include/util/delay.h **** while(__ticks)
199:/usr/lib/avr/include/util/delay.h **** {
200:/usr/lib/avr/include/util/delay.h **** // wait 1/10 ms
201:/usr/lib/avr/include/util/delay.h **** _delay_loop_2(((F_CPU) / 4e3) / 10);
202:/usr/lib/avr/include/util/delay.h **** __ticks --;
203:/usr/lib/avr/include/util/delay.h **** }
204:/usr/lib/avr/include/util/delay.h **** return;
205:/usr/lib/avr/include/util/delay.h **** }
206:/usr/lib/avr/include/util/delay.h **** else
207:/usr/lib/avr/include/util/delay.h **** __ticks = (uint16_t)__tmp;
208:/usr/lib/avr/include/util/delay.h **** _delay_loop_2(__ticks);
209:/usr/lib/avr/include/util/delay.h **** #endif
210:/usr/lib/avr/include/util/delay.h **** }
211:/usr/lib/avr/include/util/delay.h ****
212:/usr/lib/avr/include/util/delay.h **** /**
213:/usr/lib/avr/include/util/delay.h **** \ingroup util_delay
214:/usr/lib/avr/include/util/delay.h ****
215:/usr/lib/avr/include/util/delay.h **** Perform a delay of \c __us microseconds, using _delay_loop_1().
216:/usr/lib/avr/include/util/delay.h ****
217:/usr/lib/avr/include/util/delay.h **** The macro F_CPU is supposed to be defined to a
218:/usr/lib/avr/include/util/delay.h **** constant defining the CPU clock frequency (in Hertz).
219:/usr/lib/avr/include/util/delay.h ****
220:/usr/lib/avr/include/util/delay.h **** The maximal possible delay is 768 us / F_CPU in MHz.
221:/usr/lib/avr/include/util/delay.h ****
222:/usr/lib/avr/include/util/delay.h **** If the user requests a delay greater than the maximal possible one,
223:/usr/lib/avr/include/util/delay.h **** _delay_us() will automatically call _delay_ms() instead. The user
224:/usr/lib/avr/include/util/delay.h **** will not be informed about this case.
225:/usr/lib/avr/include/util/delay.h ****
226:/usr/lib/avr/include/util/delay.h **** If the avr-gcc toolchain has __builtin_avr_delay_cycles()
227:/usr/lib/avr/include/util/delay.h **** support, maximal possible delay is 4294967.295 us/ F_CPU in MHz. For
228:/usr/lib/avr/include/util/delay.h **** values greater than the maximal possible delay, overflow results in
229:/usr/lib/avr/include/util/delay.h **** no delay i.e., 0us.
230:/usr/lib/avr/include/util/delay.h ****
231:/usr/lib/avr/include/util/delay.h **** Conversion of \c __us into clock cycles may not always result in
232:/usr/lib/avr/include/util/delay.h **** integer. By default, the clock cycles rounded up to next
233:/usr/lib/avr/include/util/delay.h **** integer. This ensures that the user gets at least \c __us
234:/usr/lib/avr/include/util/delay.h **** microseconds of delay.
235:/usr/lib/avr/include/util/delay.h ****
236:/usr/lib/avr/include/util/delay.h **** Alternatively, by defining the macro \c __DELAY_ROUND_DOWN__, or
237:/usr/lib/avr/include/util/delay.h **** \c __DELAY_ROUND_CLOSEST__, before including this header file, the
238:/usr/lib/avr/include/util/delay.h **** algorithm can be made to round down, or round to closest integer,
239:/usr/lib/avr/include/util/delay.h **** respectively.
240:/usr/lib/avr/include/util/delay.h ****
241:/usr/lib/avr/include/util/delay.h **** \note
242:/usr/lib/avr/include/util/delay.h ****
243:/usr/lib/avr/include/util/delay.h **** The implementation of _delay_ms() based on
244:/usr/lib/avr/include/util/delay.h **** __builtin_avr_delay_cycles() is not backward compatible with older
245:/usr/lib/avr/include/util/delay.h **** implementations. In order to get functionality backward compatible
246:/usr/lib/avr/include/util/delay.h **** with previous versions, the macro \c __DELAY_BACKWARD_COMPATIBLE__
247:/usr/lib/avr/include/util/delay.h **** must be defined before including this header file. Also, the
248:/usr/lib/avr/include/util/delay.h **** backward compatible algorithm will be chosen if the code is
249:/usr/lib/avr/include/util/delay.h **** compiled in a <em>freestanding environment</em> (GCC option
250:/usr/lib/avr/include/util/delay.h **** \c -ffreestanding), as the math functions required for rounding are
251:/usr/lib/avr/include/util/delay.h **** not available to the compiler then.
252:/usr/lib/avr/include/util/delay.h ****
253:/usr/lib/avr/include/util/delay.h **** */
254:/usr/lib/avr/include/util/delay.h **** void
255:/usr/lib/avr/include/util/delay.h **** _delay_us(double __us)
256:/usr/lib/avr/include/util/delay.h **** {
257:/usr/lib/avr/include/util/delay.h **** double __tmp ;
258:/usr/lib/avr/include/util/delay.h **** #if __HAS_DELAY_CYCLES && defined(__OPTIMIZE__) && \
259:/usr/lib/avr/include/util/delay.h **** !defined(__DELAY_BACKWARD_COMPATIBLE__) && \
260:/usr/lib/avr/include/util/delay.h **** __STDC_HOSTED__
261:/usr/lib/avr/include/util/delay.h **** uint32_t __ticks_dc;
262:/usr/lib/avr/include/util/delay.h **** extern void __builtin_avr_delay_cycles(unsigned long);
263:/usr/lib/avr/include/util/delay.h **** __tmp = ((F_CPU) / 1e6) * __us;
264:/usr/lib/avr/include/util/delay.h ****
265:/usr/lib/avr/include/util/delay.h **** #if defined(__DELAY_ROUND_DOWN__)
266:/usr/lib/avr/include/util/delay.h **** __ticks_dc = (uint32_t)fabs(__tmp);
267:/usr/lib/avr/include/util/delay.h ****
268:/usr/lib/avr/include/util/delay.h **** #elif defined(__DELAY_ROUND_CLOSEST__)
269:/usr/lib/avr/include/util/delay.h **** __ticks_dc = (uint32_t)(fabs(__tmp)+0.5);
270:/usr/lib/avr/include/util/delay.h ****
271:/usr/lib/avr/include/util/delay.h **** #else
272:/usr/lib/avr/include/util/delay.h **** //round up by default
273:/usr/lib/avr/include/util/delay.h **** __ticks_dc = (uint32_t)(ceil(fabs(__tmp)));
274:/usr/lib/avr/include/util/delay.h **** #endif
275:/usr/lib/avr/include/util/delay.h ****
276:/usr/lib/avr/include/util/delay.h **** __builtin_avr_delay_cycles(__ticks_dc);
186 .loc 2 276 0 discriminator 3
187 0026 85E0 ldi r24,lo8(5)
188 0028 8A95 1: dec r24
189 002a 01F4 brne 1b
190 002c 0000 nop
191 .LVL19:
192 .LBE32:
193 .LBE31:
134:prom.c **** _delay_us(1);
194 .loc 1 134 0 discriminator 3
195 002e 60E0 ldi r22,0
196 0030 8D2F mov r24,r29
197 0032 0E94 0000 call out
198 .LVL20:
199 .LBB33:
200 .LBB34:
201 .loc 2 276 0 discriminator 3
202 0036 85E0 ldi r24,lo8(5)
203 0038 8A95 1: dec r24
204 003a 01F4 brne 1b
205 003c 0000 nop
206 .LVL21:
207 .LBE34:
208 .LBE33:
130:prom.c **** {
209 .loc 1 130 0 discriminator 3
210 003e CF5F subi r28,lo8(-(1))
211 .LVL22:
212 0040 00C0 rjmp .L13
213 .L15:
214 /* epilogue start */
215 .LBE30:
137:prom.c ****
216 .loc 1 137 0
217 0042 DF91 pop r29
218 .LVL23:
219 0044 CF91 pop r28
220 .LVL24:
221 0046 1F91 pop r17
222 .LVL25:
223 0048 0895 ret
224 .cfi_endproc
225 .LFE10:
227 .section .text.isp_write,"ax",@progbits
229 isp_write:
230 .LFB11:
147:prom.c **** const uint8_t mosi = prom_pin(prom->addr_pins[ISP_MOSI]);
231 .loc 1 147 0
232 .cfi_startproc
233 .LVL26:
234 0000 DF92 push r13
235 .LCFI6:
236 .cfi_def_cfa_offset 3
237 .cfi_offset 13, -2
238 0002 EF92 push r14
239 .LCFI7:
240 .cfi_def_cfa_offset 4
241 .cfi_offset 14, -3
242 0004 FF92 push r15
243 .LCFI8:
244 .cfi_def_cfa_offset 5
245 .cfi_offset 15, -4
246 0006 0F93 push r16
247 .LCFI9:
248 .cfi_def_cfa_offset 6
249 .cfi_offset 16, -5
250 0008 1F93 push r17
251 .LCFI10:
252 .cfi_def_cfa_offset 7
253 .cfi_offset 17, -6
254 000a CF93 push r28
255 .LCFI11:
256 .cfi_def_cfa_offset 8
257 .cfi_offset 28, -7
258 000c DF93 push r29
259 .LCFI12:
260 .cfi_def_cfa_offset 9
261 .cfi_offset 29, -8
262 /* prologue: function */
263 /* frame size = 0 */
264 /* stack size = 7 */
265 .L__stack_usage = 7
266 000e 182F mov r17,r24
148:prom.c **** const uint8_t sck = prom_pin(prom->addr_pins[ISP_SCK]);
267 .loc 1 148 0
268 0010 C091 0000 lds r28,prom
269 0014 D091 0000 lds r29,prom+1
270 0018 8C89 ldd r24,Y+20
271 .LVL27:
272 001a 0E94 0000 call prom_pin
273 .LVL28:
274 001e E82E mov r14,r24
275 .LVL29:
149:prom.c **** const uint8_t miso = prom_pin(prom->data_pins[ISP_MISO]);
276 .loc 1 149 0
277 0020 8D89 ldd r24,Y+21
278 0022 0E94 0000 call prom_pin
279 .LVL30:
280 0026 082F mov r16,r24
281 .LVL31:
150:prom.c **** uint8_t rc = 0;
282 .loc 1 150 0
283 0028 8CA5 ldd r24,Y+44
284 002a 0E94 0000 call prom_pin
285 .LVL32:
286 002e D82E mov r13,r24
287 .LVL33:
288 0030 D8E0 ldi r29,lo8(8)
151:prom.c ****
289 .loc 1 151 0
290 0032 F12C mov r15,__zero_reg__
291 .LVL34:
292 .L18:
293 .LBB35:
155:prom.c **** isp_clock(4);
294 .loc 1 155 0 discriminator 3
295 0034 612F mov r22,r17
296 0036 661F rol r22
297 0038 6627 clr r22
298 003a 661F rol r22
299 003c 8E2D mov r24,r14
300 003e 0E94 0000 call out
301 .LVL35:
156:prom.c ****
302 .loc 1 156 0 discriminator 3
303 0042 84E0 ldi r24,lo8(4)
304 0044 0E94 0000 call isp_clock
305 .LVL36:
158:prom.c **** isp_clock(4);
306 .loc 1 158 0 discriminator 3
307 0048 61E0 ldi r22,lo8(1)
308 004a 802F mov r24,r16
309 004c 0E94 0000 call out
310 .LVL37:
159:prom.c ****
311 .loc 1 159 0 discriminator 3
312 0050 84E0 ldi r24,lo8(4)
313 0052 0E94 0000 call isp_clock
314 .LVL38:
161:prom.c **** out(sck, 0);
315 .loc 1 161 0 discriminator 3
316 0056 8D2D mov r24,r13
317 0058 0E94 0000 call in
318 .LVL39:
319 005c 2F2D mov r18,r15
320 005e 30E0 ldi r19,0
321 0060 220F lsl r18
322 0062 331F rol r19
323 0064 C1E0 ldi r28,lo8(1)
324 0066 8111 cpse r24,__zero_reg__
325 0068 00C0 rjmp .L17
326 006a C0E0 ldi r28,0
327 .L17:
328 006c C22B or r28,r18
329 006e FC2E mov r15,r28
330 .LVL40:
162:prom.c **** }
331 .loc 1 162 0 discriminator 3
332 0070 60E0 ldi r22,0
333 0072 802F mov r24,r16
334 0074 0E94 0000 call out
335 .LVL41:
153:prom.c **** {
336 .loc 1 153 0 discriminator 3
337 0078 110F lsl r17
338 .LVL42:
339 007a D150 subi r29,lo8(-(-1))
340 .LVL43:
341 007c 01F4 brne .L18
342 .LBE35:
166:prom.c ****
343 .loc 1 166 0
344 007e 8C2F mov r24,r28
345 /* epilogue start */
346 0080 DF91 pop r29
347 .LVL44:
348 0082 CF91 pop r28
349 0084 1F91 pop r17
350 .LVL45:
351 0086 0F91 pop r16
352 .LVL46:
353 0088 FF90 pop r15
354 .LVL47:
355 008a EF90 pop r14
356 .LVL48:
357 008c DF90 pop r13
358 .LVL49:
359 008e 0895 ret
360 .cfi_endproc
361 .LFE11:
363 .section .text.prom_setup,"ax",@progbits
365 prom_setup:
366 .LFB14:
244:prom.c **** // Configure all of the address pins as outputs,
367 .loc 1 244 0
368 .cfi_startproc
369 0000 CF92 push r12
370 .LCFI13:
371 .cfi_def_cfa_offset 3
372 .cfi_offset 12, -2
373 0002 DF92 push r13
374 .LCFI14:
375 .cfi_def_cfa_offset 4
376 .cfi_offset 13, -3
377 0004 EF92 push r14
378 .LCFI15:
379 .cfi_def_cfa_offset 5
380 .cfi_offset 14, -4
381 0006 FF92 push r15
382 .LCFI16:
383 .cfi_def_cfa_offset 6
384 .cfi_offset 15, -5
385 0008 0F93 push r16
386 .LCFI17:
387 .cfi_def_cfa_offset 7
388 .cfi_offset 16, -6
389 000a 1F93 push r17
390 .LCFI18:
391 .cfi_def_cfa_offset 8
392 .cfi_offset 17, -7
393 000c CF93 push r28
394 .LCFI19:
395 .cfi_def_cfa_offset 9
396 .cfi_offset 28, -8
397 000e DF93 push r29
398 .LCFI20: