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authorJens Arnold <amiconn@rockbox.org>2008-04-06 23:57:37 +0000
committerJens Arnold <amiconn@rockbox.org>2008-04-06 23:57:37 +0000
commit9737fc7c266bb2a859fd2d03540c2c4a70c74c9a (patch)
treec971ccdae24c184f2cf8eec781e975a67c0f512d
parent01eb385f577531187dcc0a34d6fdc5cee0bcad76 (diff)
downloadrockbox-9737fc7c266bb2a859fd2d03540c2c4a70c74c9a.tar.gz
rockbox-9737fc7c266bb2a859fd2d03540c2c4a70c74c9a.zip
Iriver remote LCD driver: * Split out assembler parts. * Reintroduced the 2 transfer routine variants (low/high CPU clock), and made the version for high CPU clock a little slower because there were problems reported. The function can be slowed down more if there are still problems.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17006 a1c6a512-1295-4272-9138-f99709370657
Diffstat
-rw-r--r--firmware/SOURCES2
-rw-r--r--firmware/target/coldfire/iriver/lcd-remote-as-iriver.S302
-rw-r--r--firmware/target/coldfire/iriver/lcd-remote-iriver.c211
3 files changed, 311 insertions, 204 deletions
diff --git a/firmware/SOURCES b/firmware/SOURCES
index 3864a3478b..915d77875c 100644
--- a/firmware/SOURCES
+++ b/firmware/SOURCES
@@ -535,6 +535,7 @@ target/coldfire/ata-as-coldfire.S
535target/coldfire/pcf50606-coldfire.c 535target/coldfire/pcf50606-coldfire.c
536target/coldfire/iriver/ata-iriver.c 536target/coldfire/iriver/ata-iriver.c
537target/coldfire/iriver/lcd-remote-iriver.c 537target/coldfire/iriver/lcd-remote-iriver.c
538target/coldfire/iriver/lcd-remote-as-iriver.S
538target/coldfire/iriver/system-iriver.c 539target/coldfire/iriver/system-iriver.c
539target/coldfire/iriver/fmradio_i2c-iriver.c 540target/coldfire/iriver/fmradio_i2c-iriver.c
540target/coldfire/iriver/h300/sw_i2c-h300.c 541target/coldfire/iriver/h300/sw_i2c-h300.c
@@ -559,6 +560,7 @@ drivers/sw_i2c.c
559target/coldfire/ata-as-coldfire.S 560target/coldfire/ata-as-coldfire.S
560target/coldfire/iriver/ata-iriver.c 561target/coldfire/iriver/ata-iriver.c
561target/coldfire/iriver/lcd-remote-iriver.c 562target/coldfire/iriver/lcd-remote-iriver.c
563target/coldfire/iriver/lcd-remote-as-iriver.S
562target/coldfire/iriver/system-iriver.c 564target/coldfire/iriver/system-iriver.c
563target/coldfire/iriver/fmradio_i2c-iriver.c 565target/coldfire/iriver/fmradio_i2c-iriver.c
564target/coldfire/iriver/h100/adc-h100.c 566target/coldfire/iriver/h100/adc-h100.c
diff --git a/firmware/target/coldfire/iriver/lcd-remote-as-iriver.S b/firmware/target/coldfire/iriver/lcd-remote-as-iriver.S
new file mode 100644
index 0000000000..0325e5176c
--- /dev/null
+++ b/firmware/target/coldfire/iriver/lcd-remote-as-iriver.S
@@ -0,0 +1,302 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2008 by Jens Arnold
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19
20#include "config.h"
21
22#define RS_MASK 0x00010000
23#define CLOCK_MASK 0x10000000
24#define GPIO_OUT_ADDR 0x80000004
25
26#define CS_MASK 0x00000004 /* used in moveq.l */
27#define DATA_MASK 0x00040000
28#define GPIO1_OUT_ADDR 0x800000b4
29
30#define CS_TIMEOUT 10 /* HZ/10 */
31
32 .extern cpu_frequency /* Global variable from system.c */
33 .extern remote_byte_delay /* Global variable from lcd-remote-iriver.c */
34 .extern remote_cs_countdown /* Global variable from lcd-remote-iriver.c */
35
36 .section .icode,"ax",@progbits
37
38 /* Output 8 bits to the LCD. Instruction order is devised to maximize the
39 * delay between changing the data line and the CLK L->H transition, which
40 * makes the LCD controller sample DATA.
41 * Requires CLK = 0 on entry.
42 *
43 * Custom calling convention:
44 * %a0 - GPIO_OUT_ADDR
45 * %a1 - GPIO1_OUT_ADDR
46 * %d4 - data byte
47 * %d6 - DATA_MASK
48 * Clobbers:
49 * %d0..%d4
50 */
51#ifdef HAVE_REMOTE_LCD_TICKING
52.write_byte_delayed:
53 move.l remote_byte_delay, %d0
541:
55 subq.l #1, %d0
56 bne.s 1b
57#endif
58
59.write_byte:
60 move.w %sr, %d3 /* Get current interrupt level */
61 move.w #0x2700, %sr /* Disable interrupts */
62
63 move.l (%a1), %d0 /* Get current state of data port */
64 move.l %d0, %d1
65 and.l %d6, %d1 /* Check current state of data line */
66 beq.s 1f /* and set it as previous-state bit */
67 bset #8, %d4
681:
69 move.l %d4, %d1 /* Compute the 'bit derivative', i.e. a value */
70 lsr.l #1, %d1 /* with 1's where the data changes from the */
71 eor.l %d1, %d4 /* previous state, and 0's where it doesn't */
72 swap %d4 /* Shift data to upper byte */
73 lsl.l #8, %d4
74
75 move.l (%a0),%d1 /* Get current state of clock port */
76 move.l %d1, %d2 /* Precalculate opposite state of clock line */
77 eor.l #CLOCK_MASK, %d2
78
79 lsl.l #1, %d4 /* Invert data line for bit7 ? */
80 bcc.s 1f /* no: skip */
81 eor.l %d6, %d0 /* invert data bit */
82 move.l %d0, (%a1) /* output data bit7 */
83 nop
841:
85
86.macro bit_out
87 lsl.l #1, %d4 /* Invert data line for bit6 ? */
88 bcc.s 1f /* no: skip */
89 eor.l %d6, %d0 /* Invert data bit */
90 move.l %d2, (%a0) /* Bit7: set CLK = 1 */
91 move.l %d1, (%a0) /* set CLK = 0 */
92 move.l %d0, (%a1) /* Output data bit6 */
93 bra.s 2f /* slower than trapf.l - required here */
941: /* else */
95 move.l %d2, (%a0) /* Bit7: set CLK = 1 */
96 move.l %d1, (%a0) /* set CLK = 0 */
972:
98.endm
99 bit_out
100 bit_out
101 bit_out
102 bit_out
103 bit_out
104 bit_out
105 bit_out
106
107 nop /* Let data line settle */
108 move.l %d2, (%a0) /* Bit0: Set CLK = 1 */
109 move.l %d1, (%a0) /* Set CLK = 0 */
110
111 move.w %d3, %sr /* Restore interrupt level */
112 rts
113
114 /* Output 8 bits to the LCD as fast as possible. Use only at < 60MHz.
115 *
116 * Custom calling convention:
117 * %a0 - GPIO_OUT_ADDR
118 * %a1 - GPIO1_OUT_ADDR
119 * %d4 - data word
120 * %d6 - DATA_MASK
121 * Clobbers:
122 * %d0..%d4
123 */
124#ifdef HAVE_REMOTE_LCD_TICKING
125.write_byte_fast_delayed:
126 move.l remote_byte_delay, %d0
1271:
128 subq.l #1, %d0
129 bne.s 1b
130#endif
131
132.write_byte_fast:
133 move.w %sr, %d3 /* Get current interrupt level */
134 move.w #0x2700,%sr /* Disable interrupts */
135
136 move.l (%a1), %d0 /* Get current state of data port */
137 move.l %d0, %d1
138 and.l %d6, %d1 /* Check current state of data line */
139 beq.s 1f /* and set it as previous-state bit */
140 bset #8, %d4
1411:
142 move.l %d4, %d1 /* Compute the 'bit derivative', i.e. a value */
143 lsr.l #1, %d1 /* with 1's where the data changes from the */
144 eor.l %d1, %d4 /* previous state, and 0's where it doesn't */
145 swap %d4 /* Shift data to upper byte */
146 lsl.l #8, %d4
147
148 move.l (%a0), %d1 /* Get current state of clock port */
149 move.l %d1, %d2 /* Precalculate opposite state of clock line */
150 eor.l #CLOCK_MASK, %d2
151
152.macro bit_out_fast
153 lsl.l #1,%d4 /* Shift out MSB */
154 bcc.s 1f
155 eor.l %d6, %d0 /* 1: flip data bit */
156 move.l %d0, (%a1) /* and output new DATA state */
1571:
158 move.l %d2, (%a0) /* Set CLK */
159 move.l %d1, (%a0) /* Reset CLK */
160.endm
161 bit_out_fast
162 bit_out_fast
163 bit_out_fast
164 bit_out_fast
165 bit_out_fast
166 bit_out_fast
167 bit_out_fast
168 bit_out_fast
169
170 move.w %d3, %sr /* Restore interrupt level */
171 rts
172
173
174 .global lcd_remote_write_command
175 .type lcd_remote_write_command, @function
176
177lcd_remote_write_command:
178 lea.l (-4*4, %sp), %sp
179 movem.l %d2-%d4/%d6, (%sp)
180
181 move.l (4*4+4, %sp), %d4 /* cmd */
182
183 lea.l GPIO_OUT_ADDR, %a0
184 lea.l GPIO1_OUT_ADDR, %a1
185 move.l #DATA_MASK, %d6
186
187 clr.l remote_cs_countdown
188
189 move.l #~RS_MASK, %d0
190 and.l %d0, (%a0)
191 moveq.l #~CS_MASK, %d0
192 and.l %d0, (%a1)
193
194#ifdef HAVE_REMOTE_LCD_TICKING
195 tst.l remote_byte_delay
196 ble.s 1f
197 bsr.w .write_byte_delayed
198 bra.s 2f
1991:
200#endif
201 bsr.w .write_byte
2022:
203
204 moveq.l #CS_TIMEOUT, %d0
205 move.l %d0, remote_cs_countdown
206
207 movem.l (%sp), %d2-%d4/%d6
208 lea.l (4*4, %sp), %sp
209 rts
210
211
212 .global lcd_remote_write_command_ex
213 .type lcd_remote_write_command_ex, @function
214
215lcd_remote_write_command_ex:
216 lea.l (-4*4, %sp), %sp
217 movem.l %d2-%d4/%d6, (%sp)
218
219 lea.l GPIO_OUT_ADDR, %a0
220 lea.l GPIO1_OUT_ADDR, %a1
221 move.l #DATA_MASK, %d6
222
223 clr.l remote_cs_countdown
224
225 move.l #~RS_MASK, %d0
226 and.l %d0, (%a0)
227 moveq.l #~CS_MASK, %d0
228 and.l %d0, (%a1)
229
230 move.l (4*4+4, %sp), %d4
231
232#ifdef HAVE_REMOTE_LCD_TICKING
233 tst.l remote_byte_delay
234 ble.s 1f
235 bsr.w .write_byte_delayed
236 move.l (4*4+8, %sp), %d4
237 bsr.w .write_byte_delayed
238 bra.s 2f
2391:
240#endif
241 bsr.w .write_byte
242 move.l (4*4+8, %sp), %d4
243 bsr.w .write_byte
2442:
245
246 moveq.l #CS_TIMEOUT, %d0
247 move.l %d0, remote_cs_countdown
248
249 movem.l (%sp), %d2-%d4/%d6
250 lea.l (4*4, %sp), %sp
251 rts
252
253
254 .global lcd_remote_write_data
255 .type lcd_remote_write_data, @function
256
257lcd_remote_write_data:
258 lea.l (-7*4, %sp), %sp
259 movem.l %d2-%d6/%a2-%a3, (%sp)
260
261 move.l (7*4+4, %sp), %a2 /* p_bytes */
262 move.l (7*4+8, %sp), %d5 /* count */
263
264 lea.l GPIO_OUT_ADDR, %a0
265 lea.l GPIO1_OUT_ADDR, %a1
266 move.l #DATA_MASK, %d6
267
268 lea.l .write_byte, %a3
269 move.l cpu_frequency, %d0
270 cmp.l #60000000, %d0
271 bhi.b 1f
272 lea.l .write_byte_fast, %a3
2731:
274
275#ifdef HAVE_REMOTE_LCD_TICKING
276 tst.l remote_byte_delay
277 ble.s 1f
278 moveq.l #(.write_byte_delayed - .write_byte), %d0
279 add.l %d0, %a3
2801:
281#endif
282
283 clr.l remote_cs_countdown
284
285 move.l #RS_MASK, %d0
286 or.l %d0, (%a0)
287 moveq.l #~CS_MASK, %d0
288 and.l %d0, (%a1)
289
290.wd_loop:
291 clr.l %d4
292 move.b (%a2)+, %d4
293 jsr (%a3)
294 subq.l #1, %d5
295 bne.s .wd_loop
296
297 moveq.l #CS_TIMEOUT, %d0
298 move.l %d0, remote_cs_countdown
299
300 movem.l (%sp), %d2-%d6/%a2-%a3
301 lea.l (7*4, %sp), %sp
302 rts
diff --git a/firmware/target/coldfire/iriver/lcd-remote-iriver.c b/firmware/target/coldfire/iriver/lcd-remote-iriver.c
index 6ff76f3dd6..85ba0fef7a 100644
--- a/firmware/target/coldfire/iriver/lcd-remote-iriver.c
+++ b/firmware/target/coldfire/iriver/lcd-remote-iriver.c
@@ -56,13 +56,13 @@
56static int xoffset; /* needed for flip */ 56static int xoffset; /* needed for flip */
57 57
58/* timeout counter for deasserting /CS after access, <0 means not counting */ 58/* timeout counter for deasserting /CS after access, <0 means not counting */
59static int cs_countdown IDATA_ATTR = 0; 59int remote_cs_countdown IDATA_ATTR = 0;
60#define CS_TIMEOUT (HZ/10) 60#define CS_TIMEOUT (HZ/10)
61 61
62#ifdef HAVE_REMOTE_LCD_TICKING 62#ifdef HAVE_REMOTE_LCD_TICKING
63/* If set to true, will prevent "ticking" to headphones. */ 63/* If set to true, will prevent "ticking" to headphones. */
64static bool emireduce = false; 64static bool emireduce = false;
65static int byte_delay = 0; 65int remote_byte_delay = 0; /* used in lcd-remote-as-iriver.S */
66#endif 66#endif
67 67
68bool remote_initialized = false; 68bool remote_initialized = false;
@@ -74,203 +74,6 @@ static bool cached_flip = false;
74static int cached_contrast = DEFAULT_REMOTE_CONTRAST_SETTING; 74static int cached_contrast = DEFAULT_REMOTE_CONTRAST_SETTING;
75 75
76 76
77#ifdef HAVE_REMOTE_LCD_TICKING
78static inline void _byte_delay(int delay)
79{
80 asm (
81 "move.l %[dly], %%d0 \n"
82 "ble.s 2f \n"
83 "1: \n"
84 "subq.l #1, %%d0 \n"
85 "bne.s 1b \n"
86 "2: \n"
87 : /* outputs */
88 : /* inputs */
89 [dly]"d"(delay)
90 : /* clobbers */
91 "d0"
92 );
93}
94#endif /* HAVE_REMOTE_LCD_TICKING */
95
96/* Low-level byte writer. Instruction order is devised to maximize the delay
97 * between changing the data line and the CLK L->H transition, which makes
98 * the LCD controller sample DATA, so it's fast yet usable even when boosted.
99 * Requires CLK low on entry */
100static inline void _write_byte(unsigned data)
101{
102 asm volatile (
103 "move.w %%sr, %%d3 \n" /* Get current interrupt level */
104 "move.w #0x2700, %%sr \n" /* Disable interrupts */
105
106 "move.l (%[gpo1]), %%d0 \n" /* Get current state of data port */
107 "move.l %%d0, %%d1 \n"
108 "and.l %[dbit], %%d1 \n" /* Check current state of data line */
109 "beq.s 1f \n" /* and set it as previous-state bit */
110 "bset #8, %[data] \n"
111 "1: \n"
112 "move.l %[data], %%d1 \n" /* Compute the 'bit derivative', i.e. a value */
113 "lsr.l #1, %%d1 \n" /* with 1's where the data changes from the */
114 "eor.l %%d1, %[data] \n" /* previous state, and 0's where it doesn't */
115 "swap %[data] \n" /* Shift data to upper byte */
116 "lsl.l #8, %[data] \n"
117
118 "move.l (%[gpo0]),%%d1 \n" /* Get current state of clock port */
119 "move.l %%d1, %%d2 \n" /* Precalculate opposite state of clock line */
120 "eor.l %[cbit], %%d2 \n"
121
122 "lsl.l #1, %[data] \n" /* Invert data line for bit7 ? */
123 "bcc.s 1f \n" /* no: skip */
124 "eor.l %[dbit], %%d0 \n" /* invert data bit */
125 "move.l %%d0, (%[gpo1]) \n" /* output data bit7 */
126 "1: \n"
127
128 "lsl.l #1, %[data] \n" /* Invert data line for bit6 ? */
129 "bcc.s 1f \n" /* no: skip */
130 "eor.l %[dbit], %%d0 \n" /* Invert data bit */
131 "move.l %%d2, (%[gpo0]) \n" /* Bit7: set CLK = 1 */
132 "move.l %%d1, (%[gpo0]) \n" /* set CLK = 0 */
133 "move.l %%d0, (%[gpo1]) \n" /* Output data bit6 */
134 ".word 0x51fb \n" /* trapf.l - skip next 2 insns */
135 "1: \n" /* else */
136 "move.l %%d2, (%[gpo0]) \n" /* Bit7: set CLK = 1 */
137 "move.l %%d1, (%[gpo0]) \n" /* set CLK = 0 */
138
139 "lsl.l #1, %[data] \n" /* Unrolled */
140 "bcc.s 1f \n"
141 "eor.l %[dbit], %%d0 \n"
142 "move.l %%d2, (%[gpo0]) \n"
143 "move.l %%d1, (%[gpo0]) \n"
144 "move.l %%d0, (%[gpo1]) \n"
145 ".word 0x51fb \n"
146 "1: \n"
147 "move.l %%d2, (%[gpo0]) \n"
148 "move.l %%d1, (%[gpo0]) \n"
149
150 "lsl.l #1, %[data] \n"
151 "bcc.s 1f \n"
152 "eor.l %[dbit], %%d0 \n"
153 "move.l %%d2, (%[gpo0]) \n"
154 "move.l %%d1, (%[gpo0]) \n"
155 "move.l %%d0, (%[gpo1]) \n"
156 ".word 0x51fb \n"
157 "1: \n"
158 "move.l %%d2, (%[gpo0]) \n"
159 "move.l %%d1, (%[gpo0]) \n"
160
161 "lsl.l #1, %[data] \n"
162 "bcc.s 1f \n"
163 "eor.l %[dbit], %%d0 \n"
164 "move.l %%d2, (%[gpo0]) \n"
165 "move.l %%d1, (%[gpo0]) \n"
166 "move.l %%d0, (%[gpo1]) \n"
167 ".word 0x51fb \n"
168 "1: \n"
169 "move.l %%d2, (%[gpo0]) \n"
170 "move.l %%d1, (%[gpo0]) \n"
171
172 "lsl.l #1, %[data] \n"
173 "bcc.s 1f \n"
174 "eor.l %[dbit], %%d0 \n"
175 "move.l %%d2, (%[gpo0]) \n"
176 "move.l %%d1, (%[gpo0]) \n"
177 "move.l %%d0, (%[gpo1]) \n"
178 ".word 0x51fb \n"
179 "1: \n"
180 "move.l %%d2, (%[gpo0]) \n"
181 "move.l %%d1, (%[gpo0]) \n"
182
183 "lsl.l #1, %[data] \n"
184 "bcc.s 1f \n"
185 "eor.l %[dbit], %%d0 \n"
186 "move.l %%d2, (%[gpo0]) \n"
187 "move.l %%d1, (%[gpo0]) \n"
188 "move.l %%d0, (%[gpo1]) \n"
189 ".word 0x51fb \n"
190 "1: \n"
191 "move.l %%d2, (%[gpo0]) \n"
192 "move.l %%d1, (%[gpo0]) \n"
193
194 "lsl.l #1, %[data] \n"
195 "bcc.s 1f \n"
196 "eor.l %[dbit], %%d0 \n"
197 "move.l %%d2, (%[gpo0]) \n"
198 "move.l %%d1, (%[gpo0]) \n"
199 "move.l %%d0, (%[gpo1]) \n"
200 ".word 0x51fb \n"
201 "1: \n"
202 "move.l %%d2, (%[gpo0]) \n"
203 "move.l %%d1, (%[gpo0]) \n"
204
205 "nop \n" /* Let data line settle */
206 "move.l %%d2, (%[gpo0]) \n" /* Bit0: Set CLK = 1 */
207 "move.l %%d1, (%[gpo0]) \n" /* Set CLK = 0 */
208
209 "move.w %%d3, %%sr \n" /* Restore interrupt level */
210 : /* outputs */
211 [data]"+d"(data)
212 : /* inputs */
213 [gpo0]"a"(&GPIO_OUT),
214 [cbit]"i"(0x10000000),
215 [gpo1]"a"(&GPIO1_OUT),
216 [dbit]"d"(0x00040000)
217 : /* clobbers */
218 "d0", "d1", "d2", "d3"
219 );
220}
221
222void lcd_remote_write_command(int cmd)
223{
224 cs_countdown = 0;
225 RS_LO;
226 CS_LO;
227
228 _write_byte(cmd);
229#ifdef HAVE_REMOTE_LCD_TICKING
230 _byte_delay(byte_delay);
231#endif
232
233 cs_countdown = CS_TIMEOUT;
234}
235
236void lcd_remote_write_command_ex(int cmd, int data)
237{
238 cs_countdown = 0;
239 RS_LO;
240 CS_LO;
241
242 _write_byte(cmd);
243#ifdef HAVE_REMOTE_LCD_TICKING
244 _byte_delay(byte_delay);
245#endif
246 _write_byte(data);
247#ifdef HAVE_REMOTE_LCD_TICKING
248 _byte_delay(byte_delay);
249#endif
250
251 cs_countdown = CS_TIMEOUT;
252}
253
254void lcd_remote_write_data(const unsigned char* p_bytes, int count) ICODE_ATTR;
255void lcd_remote_write_data(const unsigned char* p_bytes, int count)
256{
257 const unsigned char *p_end = p_bytes + count;
258
259 cs_countdown = 0;
260 RS_HI;
261 CS_LO;
262
263 while (p_bytes < p_end)
264 {
265 _write_byte(*p_bytes++);
266#ifdef HAVE_REMOTE_LCD_TICKING
267 _byte_delay(byte_delay);
268#endif
269 }
270
271 cs_countdown = CS_TIMEOUT;
272}
273
274/*** hardware configuration ***/ 77/*** hardware configuration ***/
275 78
276int lcd_remote_default_contrast(void) 79int lcd_remote_default_contrast(void)
@@ -448,9 +251,9 @@ static void remote_tick(void)
448 } 251 }
449 252
450 /* handle chip select timeout */ 253 /* handle chip select timeout */
451 if (cs_countdown >= 0) 254 if (remote_cs_countdown >= 0)
452 cs_countdown--; 255 remote_cs_countdown--;
453 if (cs_countdown == 0) 256 if (remote_cs_countdown == 0)
454 CS_HI; 257 CS_HI;
455} 258}
456#endif 259#endif
@@ -496,7 +299,7 @@ void lcd_remote_update(void)
496 299
497#ifdef HAVE_REMOTE_LCD_TICKING 300#ifdef HAVE_REMOTE_LCD_TICKING
498 /* Adjust byte delay for emi reduction. */ 301 /* Adjust byte delay for emi reduction. */
499 byte_delay = emireduce ? cpu_frequency / 192800 - 90: 0; 302 remote_byte_delay = emireduce ? cpu_frequency / 192800 - 100: 0;
500#endif 303#endif
501 304
502 /* Copy display bitmap to hardware */ 305 /* Copy display bitmap to hardware */
@@ -530,7 +333,7 @@ void lcd_remote_update_rect(int x, int y, int width, int height)
530 333
531#ifdef HAVE_REMOTE_LCD_TICKING 334#ifdef HAVE_REMOTE_LCD_TICKING
532 /* Adjust byte delay for emi reduction */ 335 /* Adjust byte delay for emi reduction */
533 byte_delay = emireduce ? cpu_frequency / 192800 - 90: 0; 336 remote_byte_delay = emireduce ? cpu_frequency / 192800 - 100: 0;
534#endif 337#endif
535 338
536 /* Copy specified rectange bitmap to hardware */ 339 /* Copy specified rectange bitmap to hardware */
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-12 20:50:06 +0000