diff options
Diffstat (limited to 'firmware')
-rw-r--r-- | firmware/test/i2c/main.c | 87 |
1 files changed, 64 insertions, 23 deletions
diff --git a/firmware/test/i2c/main.c b/firmware/test/i2c/main.c index 825de73788..746f1c7355 100644 --- a/firmware/test/i2c/main.c +++ b/firmware/test/i2c/main.c | |||
@@ -21,13 +21,49 @@ | |||
21 | #include "sh7034.h" | 21 | #include "sh7034.h" |
22 | #include "debug.h" | 22 | #include "debug.h" |
23 | 23 | ||
24 | extern char mp3data[]; | 24 | unsigned char fliptable[] = |
25 | extern int mp3datalen; | 25 | { |
26 | 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, | ||
27 | 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, | ||
28 | 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, | ||
29 | 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, | ||
30 | 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, | ||
31 | 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, | ||
32 | 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, | ||
33 | 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, | ||
34 | 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, | ||
35 | 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, | ||
36 | 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, | ||
37 | 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, | ||
38 | 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, | ||
39 | 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, | ||
40 | 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, | ||
41 | 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, | ||
42 | 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, | ||
43 | 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, | ||
44 | 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, | ||
45 | 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, | ||
46 | 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, | ||
47 | 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, | ||
48 | 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, | ||
49 | 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, | ||
50 | 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, | ||
51 | 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, | ||
52 | 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, | ||
53 | 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, | ||
54 | 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, | ||
55 | 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, | ||
56 | 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, | ||
57 | 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff | ||
58 | }; | ||
26 | 59 | ||
27 | unsigned char *mp3dataptr; | 60 | extern unsigned char mp3data[]; |
61 | extern int mp3datalen; | ||
28 | 62 | ||
29 | void setup_sci0(void) | 63 | void setup_sci0(void) |
30 | { | 64 | { |
65 | PBCR1 = (PBCR1 & 0xccff) | 0x0200; | ||
66 | |||
31 | /* set PB12 to output */ | 67 | /* set PB12 to output */ |
32 | PBIOR |= 0x1000; | 68 | PBIOR |= 0x1000; |
33 | 69 | ||
@@ -62,7 +98,7 @@ void setup_sci0(void) | |||
62 | IPRB = 0; | 98 | IPRB = 0; |
63 | 99 | ||
64 | /* Enable Tx (only!) */ | 100 | /* Enable Tx (only!) */ |
65 | SCR0 = 0x20; | 101 | SCR0 |= 0x20; |
66 | } | 102 | } |
67 | 103 | ||
68 | int mas_tx_ready(void) | 104 | int mas_tx_ready(void) |
@@ -156,6 +192,14 @@ int main(void) | |||
156 | 192 | ||
157 | debugf("Register 0xaa: %x\n", i); | 193 | debugf("Register 0xaa: %x\n", i); |
158 | 194 | ||
195 | i=mas_readreg(0xed); | ||
196 | if (i < 0) { | ||
197 | debugf("Error - mas_readreg(ed) returned %d\n", i); | ||
198 | while(1); | ||
199 | } | ||
200 | |||
201 | debugf("Register 0xed: %x\n", i); | ||
202 | |||
159 | i=mas_writereg(0x3b, 0x20); | 203 | i=mas_writereg(0x3b, 0x20); |
160 | if (i < 0) { | 204 | if (i < 0) { |
161 | debugf("Error - mas_writereg() returned %d\n", i); | 205 | debugf("Error - mas_writereg() returned %d\n", i); |
@@ -171,26 +215,23 @@ int main(void) | |||
171 | 215 | ||
172 | setup_sci0(); | 216 | setup_sci0(); |
173 | 217 | ||
174 | mp3dataptr = mp3data; | ||
175 | i = 0; | 218 | i = 0; |
176 | 219 | ||
177 | while(1) | 220 | while(1) |
178 | { | 221 | { |
222 | /* Demand pin high? */ | ||
179 | if(PBDR & 0x4000) | 223 | if(PBDR & 0x4000) |
180 | { | 224 | { |
181 | if(i < mp3datalen) | 225 | /* More data to write? */ |
182 | { | 226 | if(i < mp3datalen) |
183 | while(!mas_tx_ready()){}; | 227 | { |
184 | /* | 228 | /* Transmitter ready? */ |
185 | * Write data into TDR and clear TDRE | 229 | while(!mas_tx_ready()){}; |
186 | */ | 230 | |
187 | TDR0 = mp3dataptr[i++]; | 231 | /* Write data into TDR and clear TDRE */ |
188 | SSR0 &= ~SCI_TDRE; | 232 | TDR0 = fliptable[mp3data[i++]]; |
189 | } | 233 | SSR0 &= ~SCI_TDRE; |
190 | } | 234 | } |
191 | else | ||
192 | { | ||
193 | debugf("MAS not ready\n"); | ||
194 | } | 235 | } |
195 | } | 236 | } |
196 | 237 | ||
@@ -201,8 +242,8 @@ extern const void stack(void); | |||
201 | 242 | ||
202 | const void* vectors[] __attribute__ ((section (".vectors"))) = | 243 | const void* vectors[] __attribute__ ((section (".vectors"))) = |
203 | { | 244 | { |
204 | main, /* Power-on reset */ | 245 | main, /* Power-on reset */ |
205 | stack, /* Power-on reset (stack pointer) */ | 246 | stack, /* Power-on reset (stack pointer) */ |
206 | main, /* Manual reset */ | 247 | main, /* Manual reset */ |
207 | stack /* Manual reset (stack pointer) */ | 248 | stack /* Manual reset (stack pointer) */ |
208 | }; | 249 | }; |