Shinichi Fuchita
streaming server for AM/FM radio via UDP connection.
Dependencies: mbed EthernetNetIf
ns9542.c@2:3b6816fd4ae6, 2012-08-30 (annotated)
- Committer:
- soramimi
- Date:
- Thu Aug 30 08:35:20 2012 +0000
- Revision:
- 2:3b6816fd4ae6
- Parent:
- 0:bd865e5a3df3
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| soramimi | 0:bd865e5a3df3 | 1 | #include "mbed.h" |
| soramimi | 0:bd865e5a3df3 | 2 | |
| soramimi | 0:bd865e5a3df3 | 3 | //I2C i2c(p9, p10); // sda, scl |
| soramimi | 0:bd865e5a3df3 | 4 | |
| soramimi | 0:bd865e5a3df3 | 5 | DigitalInOut i2c_sda(p9); |
| soramimi | 0:bd865e5a3df3 | 6 | DigitalInOut i2c_scl(p10); |
| soramimi | 0:bd865e5a3df3 | 7 | |
| soramimi | 0:bd865e5a3df3 | 8 | void wait10us() |
| soramimi | 0:bd865e5a3df3 | 9 | { |
| soramimi | 0:bd865e5a3df3 | 10 | wait(0.000001); |
| soramimi | 0:bd865e5a3df3 | 11 | } |
| soramimi | 0:bd865e5a3df3 | 12 | |
| soramimi | 0:bd865e5a3df3 | 13 | void wait10ms() |
| soramimi | 0:bd865e5a3df3 | 14 | { |
| soramimi | 0:bd865e5a3df3 | 15 | wait(0.001); |
| soramimi | 0:bd865e5a3df3 | 16 | } |
| soramimi | 0:bd865e5a3df3 | 17 | |
| soramimi | 0:bd865e5a3df3 | 18 | void wait100ms() |
| soramimi | 0:bd865e5a3df3 | 19 | { |
| soramimi | 0:bd865e5a3df3 | 20 | wait(0.01); |
| soramimi | 0:bd865e5a3df3 | 21 | } |
| soramimi | 0:bd865e5a3df3 | 22 | |
| soramimi | 0:bd865e5a3df3 | 23 | |
| soramimi | 0:bd865e5a3df3 | 24 | |
| soramimi | 0:bd865e5a3df3 | 25 | #if 1 |
| soramimi | 0:bd865e5a3df3 | 26 | |
| soramimi | 0:bd865e5a3df3 | 27 | // i2c |
| soramimi | 0:bd865e5a3df3 | 28 | |
| soramimi | 0:bd865e5a3df3 | 29 | void i2c_cl_0() |
| soramimi | 0:bd865e5a3df3 | 30 | { |
| soramimi | 0:bd865e5a3df3 | 31 | i2c_scl.output(); |
| soramimi | 0:bd865e5a3df3 | 32 | } |
| soramimi | 0:bd865e5a3df3 | 33 | |
| soramimi | 0:bd865e5a3df3 | 34 | void i2c_cl_1() |
| soramimi | 0:bd865e5a3df3 | 35 | { |
| soramimi | 0:bd865e5a3df3 | 36 | i2c_scl.input(); |
| soramimi | 0:bd865e5a3df3 | 37 | } |
| soramimi | 0:bd865e5a3df3 | 38 | |
| soramimi | 0:bd865e5a3df3 | 39 | void i2c_da_0() |
| soramimi | 0:bd865e5a3df3 | 40 | { |
| soramimi | 0:bd865e5a3df3 | 41 | i2c_sda.output(); |
| soramimi | 0:bd865e5a3df3 | 42 | } |
| soramimi | 0:bd865e5a3df3 | 43 | |
| soramimi | 0:bd865e5a3df3 | 44 | void i2c_da_1() |
| soramimi | 0:bd865e5a3df3 | 45 | { |
| soramimi | 0:bd865e5a3df3 | 46 | i2c_sda.input(); |
| soramimi | 0:bd865e5a3df3 | 47 | } |
| soramimi | 0:bd865e5a3df3 | 48 | |
| soramimi | 0:bd865e5a3df3 | 49 | int i2c_get_da() |
| soramimi | 0:bd865e5a3df3 | 50 | { |
| soramimi | 0:bd865e5a3df3 | 51 | return i2c_sda.read(); |
| soramimi | 0:bd865e5a3df3 | 52 | } |
| soramimi | 0:bd865e5a3df3 | 53 | |
| soramimi | 0:bd865e5a3df3 | 54 | void i2c_start() |
| soramimi | 0:bd865e5a3df3 | 55 | { |
| soramimi | 0:bd865e5a3df3 | 56 | i2c_da_0(); |
| soramimi | 0:bd865e5a3df3 | 57 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 58 | i2c_cl_0(); |
| soramimi | 0:bd865e5a3df3 | 59 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 60 | } |
| soramimi | 0:bd865e5a3df3 | 61 | |
| soramimi | 0:bd865e5a3df3 | 62 | void i2c_stop() |
| soramimi | 0:bd865e5a3df3 | 63 | { |
| soramimi | 0:bd865e5a3df3 | 64 | i2c_cl_1(); |
| soramimi | 0:bd865e5a3df3 | 65 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 66 | i2c_da_1(); |
| soramimi | 0:bd865e5a3df3 | 67 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 68 | } |
| soramimi | 0:bd865e5a3df3 | 69 | |
| soramimi | 0:bd865e5a3df3 | 70 | void i2c_repeat() |
| soramimi | 0:bd865e5a3df3 | 71 | { |
| soramimi | 0:bd865e5a3df3 | 72 | i2c_cl_1(); |
| soramimi | 0:bd865e5a3df3 | 73 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 74 | i2c_da_0(); |
| soramimi | 0:bd865e5a3df3 | 75 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 76 | i2c_cl_0(); |
| soramimi | 0:bd865e5a3df3 | 77 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 78 | } |
| soramimi | 0:bd865e5a3df3 | 79 | |
| soramimi | 0:bd865e5a3df3 | 80 | bool i2c_write(int c) |
| soramimi | 0:bd865e5a3df3 | 81 | { |
| soramimi | 0:bd865e5a3df3 | 82 | int i; |
| soramimi | 0:bd865e5a3df3 | 83 | bool nack; |
| soramimi | 0:bd865e5a3df3 | 84 | |
| soramimi | 0:bd865e5a3df3 | 85 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 86 | |
| soramimi | 0:bd865e5a3df3 | 87 | for (i = 0; i < 8; i++) { |
| soramimi | 0:bd865e5a3df3 | 88 | if (c & 0x80) { |
| soramimi | 0:bd865e5a3df3 | 89 | i2c_da_1(); |
| soramimi | 0:bd865e5a3df3 | 90 | } else { |
| soramimi | 0:bd865e5a3df3 | 91 | i2c_da_0(); |
| soramimi | 0:bd865e5a3df3 | 92 | } |
| soramimi | 0:bd865e5a3df3 | 93 | c <<= 1; |
| soramimi | 0:bd865e5a3df3 | 94 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 95 | i2c_cl_1(); |
| soramimi | 0:bd865e5a3df3 | 96 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 97 | i2c_cl_0(); |
| soramimi | 0:bd865e5a3df3 | 98 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 99 | } |
| soramimi | 0:bd865e5a3df3 | 100 | |
| soramimi | 0:bd865e5a3df3 | 101 | i2c_da_1(); |
| soramimi | 0:bd865e5a3df3 | 102 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 103 | |
| soramimi | 0:bd865e5a3df3 | 104 | i2c_cl_1(); |
| soramimi | 0:bd865e5a3df3 | 105 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 106 | nack = i2c_get_da(); |
| soramimi | 0:bd865e5a3df3 | 107 | i2c_cl_0(); |
| soramimi | 0:bd865e5a3df3 | 108 | |
| soramimi | 0:bd865e5a3df3 | 109 | return nack; |
| soramimi | 0:bd865e5a3df3 | 110 | } |
| soramimi | 0:bd865e5a3df3 | 111 | |
| soramimi | 0:bd865e5a3df3 | 112 | int i2c_read(bool nack) |
| soramimi | 0:bd865e5a3df3 | 113 | { |
| soramimi | 0:bd865e5a3df3 | 114 | int i, c; |
| soramimi | 0:bd865e5a3df3 | 115 | |
| soramimi | 0:bd865e5a3df3 | 116 | i2c_da_1(); |
| soramimi | 0:bd865e5a3df3 | 117 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 118 | |
| soramimi | 0:bd865e5a3df3 | 119 | c = 0; |
| soramimi | 0:bd865e5a3df3 | 120 | |
| soramimi | 0:bd865e5a3df3 | 121 | for (i = 0; i < 8; i++) { |
| soramimi | 0:bd865e5a3df3 | 122 | i2c_cl_1(); |
| soramimi | 0:bd865e5a3df3 | 123 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 124 | c <<= 1; |
| soramimi | 0:bd865e5a3df3 | 125 | if (i2c_get_da()) { |
| soramimi | 0:bd865e5a3df3 | 126 | c |= 1; |
| soramimi | 0:bd865e5a3df3 | 127 | } |
| soramimi | 0:bd865e5a3df3 | 128 | i2c_cl_0(); |
| soramimi | 0:bd865e5a3df3 | 129 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 130 | } |
| soramimi | 0:bd865e5a3df3 | 131 | |
| soramimi | 0:bd865e5a3df3 | 132 | if (nack) { |
| soramimi | 0:bd865e5a3df3 | 133 | i2c_da_1(); |
| soramimi | 0:bd865e5a3df3 | 134 | } else { |
| soramimi | 0:bd865e5a3df3 | 135 | i2c_da_0(); |
| soramimi | 0:bd865e5a3df3 | 136 | } |
| soramimi | 0:bd865e5a3df3 | 137 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 138 | i2c_cl_1(); |
| soramimi | 0:bd865e5a3df3 | 139 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 140 | i2c_cl_0(); |
| soramimi | 0:bd865e5a3df3 | 141 | wait10us(); |
| soramimi | 0:bd865e5a3df3 | 142 | |
| soramimi | 0:bd865e5a3df3 | 143 | return c; |
| soramimi | 0:bd865e5a3df3 | 144 | } |
| soramimi | 0:bd865e5a3df3 | 145 | |
| soramimi | 0:bd865e5a3df3 | 146 | #endif |
| soramimi | 0:bd865e5a3df3 | 147 | |
| soramimi | 0:bd865e5a3df3 | 148 | |
| soramimi | 0:bd865e5a3df3 | 149 | // ns9542 |
| soramimi | 0:bd865e5a3df3 | 150 | |
| soramimi | 0:bd865e5a3df3 | 151 | void ns9542_write(int a, int c) |
| soramimi | 0:bd865e5a3df3 | 152 | { |
| soramimi | 0:bd865e5a3df3 | 153 | #if 01 |
| soramimi | 0:bd865e5a3df3 | 154 | i2c_start(); |
| soramimi | 0:bd865e5a3df3 | 155 | i2c_write(0xc8); |
| soramimi | 0:bd865e5a3df3 | 156 | i2c_write(a); |
| soramimi | 0:bd865e5a3df3 | 157 | i2c_write(c); |
| soramimi | 0:bd865e5a3df3 | 158 | i2c_stop(); |
| soramimi | 0:bd865e5a3df3 | 159 | #else |
| soramimi | 0:bd865e5a3df3 | 160 | char tmp[2]; |
| soramimi | 0:bd865e5a3df3 | 161 | i2c.start(); |
| soramimi | 0:bd865e5a3df3 | 162 | tmp[0] = a; |
| soramimi | 0:bd865e5a3df3 | 163 | tmp[1] = c; |
| soramimi | 0:bd865e5a3df3 | 164 | i2c.write(0xc8, tmp, 2); |
| soramimi | 0:bd865e5a3df3 | 165 | i2c.stop(); |
| soramimi | 0:bd865e5a3df3 | 166 | #endif |
| soramimi | 0:bd865e5a3df3 | 167 | } |
| soramimi | 0:bd865e5a3df3 | 168 | |
| soramimi | 0:bd865e5a3df3 | 169 | int ns9542_read(int a) |
| soramimi | 0:bd865e5a3df3 | 170 | { |
| soramimi | 0:bd865e5a3df3 | 171 | #if 01 |
| soramimi | 0:bd865e5a3df3 | 172 | int c; |
| soramimi | 0:bd865e5a3df3 | 173 | i2c_start(); |
| soramimi | 0:bd865e5a3df3 | 174 | i2c_write(0xc8); |
| soramimi | 0:bd865e5a3df3 | 175 | i2c_write(a); |
| soramimi | 0:bd865e5a3df3 | 176 | i2c_repeat(); |
| soramimi | 0:bd865e5a3df3 | 177 | i2c_write(0xc9); |
| soramimi | 0:bd865e5a3df3 | 178 | c = i2c_read(true); |
| soramimi | 0:bd865e5a3df3 | 179 | i2c_stop(); |
| soramimi | 0:bd865e5a3df3 | 180 | return c; |
| soramimi | 0:bd865e5a3df3 | 181 | #else |
| soramimi | 0:bd865e5a3df3 | 182 | char tmp[2]; |
| soramimi | 0:bd865e5a3df3 | 183 | i2c.start(); |
| soramimi | 0:bd865e5a3df3 | 184 | tmp[0] = a; |
| soramimi | 0:bd865e5a3df3 | 185 | tmp[1] = 0xc9; |
| soramimi | 0:bd865e5a3df3 | 186 | i2c.write(0xc8, tmp, 1); |
| soramimi | 0:bd865e5a3df3 | 187 | i2c.write(0xc8, tmp + 1, 1, true); |
| soramimi | 0:bd865e5a3df3 | 188 | unsigned char c = i2c.read(1); |
| soramimi | 0:bd865e5a3df3 | 189 | i2c.stop(); |
| soramimi | 0:bd865e5a3df3 | 190 | return c; |
| soramimi | 0:bd865e5a3df3 | 191 | #endif |
| soramimi | 0:bd865e5a3df3 | 192 | } |
| soramimi | 0:bd865e5a3df3 | 193 | |
| soramimi | 0:bd865e5a3df3 | 194 | void ns9542_imf_adjust() |
| soramimi | 0:bd865e5a3df3 | 195 | { |
| soramimi | 0:bd865e5a3df3 | 196 | int bF, imf, fhm, g_fhm; |
| soramimi | 0:bd865e5a3df3 | 197 | bF = 0; |
| soramimi | 0:bd865e5a3df3 | 198 | g_fhm = 0xf0; |
| soramimi | 0:bd865e5a3df3 | 199 | ns9542_write(0x15, 0x0e); |
| soramimi | 0:bd865e5a3df3 | 200 | ns9542_write(0x3d, 0x27); |
| soramimi | 0:bd865e5a3df3 | 201 | for (fhm = 0; fhm < 4; fhm++) { |
| soramimi | 0:bd865e5a3df3 | 202 | bF = 0; |
| soramimi | 0:bd865e5a3df3 | 203 | for (imf = 0; imf < 3; imf++) { |
| soramimi | 0:bd865e5a3df3 | 204 | ns9542_write(0x37, fhm); |
| soramimi | 0:bd865e5a3df3 | 205 | ns9542_write(0x16, 22 + imf); |
| soramimi | 0:bd865e5a3df3 | 206 | wait10ms(); |
| soramimi | 0:bd865e5a3df3 | 207 | if ((ns9542_read(0x70) & 0x0c) == 0x0c) { |
| soramimi | 0:bd865e5a3df3 | 208 | bF++; |
| soramimi | 0:bd865e5a3df3 | 209 | if (imf == 1 && g_fhm == 0xf0) { |
| soramimi | 0:bd865e5a3df3 | 210 | g_fhm = fhm; |
| soramimi | 0:bd865e5a3df3 | 211 | } |
| soramimi | 0:bd865e5a3df3 | 212 | } |
| soramimi | 0:bd865e5a3df3 | 213 | } |
| soramimi | 0:bd865e5a3df3 | 214 | if (bF == 3) { |
| soramimi | 0:bd865e5a3df3 | 215 | g_fhm = fhm; |
| soramimi | 0:bd865e5a3df3 | 216 | break; |
| soramimi | 0:bd865e5a3df3 | 217 | } |
| soramimi | 0:bd865e5a3df3 | 218 | } |
| soramimi | 0:bd865e5a3df3 | 219 | ns9542_write(0x37, 0x80 | g_fhm); |
| soramimi | 0:bd865e5a3df3 | 220 | ns9542_write(0x16, 23); |
| soramimi | 0:bd865e5a3df3 | 221 | ns9542_write(0x3d, 0x37); |
| soramimi | 0:bd865e5a3df3 | 222 | wait100ms(); |
| soramimi | 0:bd865e5a3df3 | 223 | } |
| soramimi | 0:bd865e5a3df3 | 224 | |
| soramimi | 0:bd865e5a3df3 | 225 | void ns9542_best_iml(int iml) |
| soramimi | 0:bd865e5a3df3 | 226 | { |
| soramimi | 0:bd865e5a3df3 | 227 | ns9542_write(0x32, 0x00); |
| soramimi | 0:bd865e5a3df3 | 228 | while (iml < 16) { |
| soramimi | 0:bd865e5a3df3 | 229 | ns9542_write(0x17, 0xc0 | iml); |
| soramimi | 0:bd865e5a3df3 | 230 | wait10ms(); |
| soramimi | 0:bd865e5a3df3 | 231 | if (!(ns9542_read(0x70) & 0x08)) { |
| soramimi | 0:bd865e5a3df3 | 232 | break; |
| soramimi | 0:bd865e5a3df3 | 233 | } |
| soramimi | 0:bd865e5a3df3 | 234 | iml++; |
| soramimi | 0:bd865e5a3df3 | 235 | } |
| soramimi | 0:bd865e5a3df3 | 236 | iml--; |
| soramimi | 0:bd865e5a3df3 | 237 | ns9542_write(0x17, 0xc0 | iml); |
| soramimi | 0:bd865e5a3df3 | 238 | ns9542_write(0x32, 0x80); |
| soramimi | 0:bd865e5a3df3 | 239 | wait10ms(); |
| soramimi | 0:bd865e5a3df3 | 240 | ns9542_write(0xfe, 0x0a); |
| soramimi | 0:bd865e5a3df3 | 241 | wait10ms(); |
| soramimi | 0:bd865e5a3df3 | 242 | wait10ms(); |
| soramimi | 0:bd865e5a3df3 | 243 | } |
| soramimi | 0:bd865e5a3df3 | 244 | |
| soramimi | 0:bd865e5a3df3 | 245 | void ns9542_find_pg(int ialgn, int *fine_phase, int *fine_gain, int *result_pg) |
| soramimi | 0:bd865e5a3df3 | 246 | { |
| soramimi | 0:bd865e5a3df3 | 247 | int i, j; |
| soramimi | 0:bd865e5a3df3 | 248 | for (i = 0; i < 16; i++) { |
| soramimi | 0:bd865e5a3df3 | 249 | ns9542_write(0x15, 0x0a | (ialgn << 4)); |
| soramimi | 0:bd865e5a3df3 | 250 | ns9542_write(0x15, 0x0b | (ialgn << 4)); |
| soramimi | 0:bd865e5a3df3 | 251 | if (ns9542_read(0x05) & 0x08) { |
| soramimi | 0:bd865e5a3df3 | 252 | for (j = 0; j < 20; j++) { |
| soramimi | 0:bd865e5a3df3 | 253 | if (!(ns9542_read(0x05) & 0x08)) { |
| soramimi | 0:bd865e5a3df3 | 254 | int g = ns9542_read(0x65); |
| soramimi | 0:bd865e5a3df3 | 255 | int p = ns9542_read(0x66); |
| soramimi | 0:bd865e5a3df3 | 256 | if (g >= 103 && g <= 138 && 2 >= p && p <= 14) { |
| soramimi | 0:bd865e5a3df3 | 257 | *fine_gain = g; |
| soramimi | 0:bd865e5a3df3 | 258 | *fine_phase = p; |
| soramimi | 0:bd865e5a3df3 | 259 | *result_pg = 1; |
| soramimi | 0:bd865e5a3df3 | 260 | return; |
| soramimi | 0:bd865e5a3df3 | 261 | } |
| soramimi | 0:bd865e5a3df3 | 262 | } |
| soramimi | 0:bd865e5a3df3 | 263 | wait10ms(); |
| soramimi | 0:bd865e5a3df3 | 264 | } |
| soramimi | 0:bd865e5a3df3 | 265 | } |
| soramimi | 0:bd865e5a3df3 | 266 | } |
| soramimi | 0:bd865e5a3df3 | 267 | *result_pg = 0; |
| soramimi | 0:bd865e5a3df3 | 268 | } |
| soramimi | 0:bd865e5a3df3 | 269 | |
| soramimi | 0:bd865e5a3df3 | 270 | void ns9542_table_write(int *fine_p, int *fine_g) |
| soramimi | 0:bd865e5a3df3 | 271 | { |
| soramimi | 0:bd865e5a3df3 | 272 | int i, j, k, result; |
| soramimi | 0:bd865e5a3df3 | 273 | result = 0; |
| soramimi | 0:bd865e5a3df3 | 274 | for (i = 0; i < 4; i++) { |
| soramimi | 0:bd865e5a3df3 | 275 | ns9542_write(0x38, fine_g[i]); |
| soramimi | 0:bd865e5a3df3 | 276 | ns9542_write(0x39, fine_p[i] << 4); |
| soramimi | 0:bd865e5a3df3 | 277 | for (j = 0; j < 10; j++) { |
| soramimi | 0:bd865e5a3df3 | 278 | ns9542_write(0x15, 0x0e | (i << 4)); |
| soramimi | 0:bd865e5a3df3 | 279 | ns9542_write(0x15, 0x03 | (i << 4)); |
| soramimi | 0:bd865e5a3df3 | 280 | if (ns9542_read(0x05) & 0x08) { |
| soramimi | 0:bd865e5a3df3 | 281 | wait100ms(); |
| soramimi | 0:bd865e5a3df3 | 282 | for (k = 0; k < 10; k++) { |
| soramimi | 0:bd865e5a3df3 | 283 | if (!(ns9542_read(0x05) & 0x08)) { |
| soramimi | 0:bd865e5a3df3 | 284 | result++; |
| soramimi | 0:bd865e5a3df3 | 285 | goto L1; |
| soramimi | 0:bd865e5a3df3 | 286 | } |
| soramimi | 0:bd865e5a3df3 | 287 | wait10ms(); |
| soramimi | 0:bd865e5a3df3 | 288 | } |
| soramimi | 0:bd865e5a3df3 | 289 | break; |
| soramimi | 0:bd865e5a3df3 | 290 | } |
| soramimi | 0:bd865e5a3df3 | 291 | } |
| soramimi | 0:bd865e5a3df3 | 292 | L1:; |
| soramimi | 0:bd865e5a3df3 | 293 | if (result != i + 1) { |
| soramimi | 0:bd865e5a3df3 | 294 | break; |
| soramimi | 0:bd865e5a3df3 | 295 | } |
| soramimi | 0:bd865e5a3df3 | 296 | } |
| soramimi | 0:bd865e5a3df3 | 297 | } |
| soramimi | 0:bd865e5a3df3 | 298 | |
| soramimi | 0:bd865e5a3df3 | 299 | void ns9542_dsp_align_body() |
| soramimi | 0:bd865e5a3df3 | 300 | { |
| soramimi | 0:bd865e5a3df3 | 301 | int iml, imf, ialgn, cnt, fp, fg; |
| soramimi | 0:bd865e5a3df3 | 302 | int fine_p[5] = { 0, 0, 0, 0, 0 }; |
| soramimi | 0:bd865e5a3df3 | 303 | int fine_g[5] = { 0, 0, 0, 0, 0 }; |
| soramimi | 0:bd865e5a3df3 | 304 | iml = 5; |
| soramimi | 0:bd865e5a3df3 | 305 | for (ialgn = 0; ialgn < 4; ialgn++) { |
| soramimi | 0:bd865e5a3df3 | 306 | ns9542_write(0x15, 0x0a | (ialgn << 4)); |
| soramimi | 0:bd865e5a3df3 | 307 | wait100ms(); |
| soramimi | 0:bd865e5a3df3 | 308 | wait100ms(); |
| soramimi | 0:bd865e5a3df3 | 309 | ns9542_best_iml(iml); |
| soramimi | 0:bd865e5a3df3 | 310 | imf = 0; |
| soramimi | 0:bd865e5a3df3 | 311 | cnt = 0; |
| soramimi | 0:bd865e5a3df3 | 312 | fp = 0; |
| soramimi | 0:bd865e5a3df3 | 313 | fg = 0; |
| soramimi | 0:bd865e5a3df3 | 314 | for (cnt = 0; cnt < 5; cnt++) { |
| soramimi | 0:bd865e5a3df3 | 315 | int fine_phase, fine_gain, result_pg; |
| soramimi | 0:bd865e5a3df3 | 316 | ns9542_find_pg(ialgn, &fine_phase, &fine_gain, &result_pg); |
| soramimi | 0:bd865e5a3df3 | 317 | if (result_pg == 0) { |
| soramimi | 0:bd865e5a3df3 | 318 | return; |
| soramimi | 0:bd865e5a3df3 | 319 | } |
| soramimi | 0:bd865e5a3df3 | 320 | fp = fp + fine_phase; |
| soramimi | 0:bd865e5a3df3 | 321 | fg = fg + fine_gain; |
| soramimi | 0:bd865e5a3df3 | 322 | if (cnt == 2 && ialgn < 2) { |
| soramimi | 0:bd865e5a3df3 | 323 | cnt++; |
| soramimi | 0:bd865e5a3df3 | 324 | break; |
| soramimi | 0:bd865e5a3df3 | 325 | } |
| soramimi | 0:bd865e5a3df3 | 326 | } |
| soramimi | 0:bd865e5a3df3 | 327 | fine_p[ialgn] = fp / cnt; |
| soramimi | 0:bd865e5a3df3 | 328 | fine_g[ialgn] = fg / cnt; |
| soramimi | 0:bd865e5a3df3 | 329 | } |
| soramimi | 0:bd865e5a3df3 | 330 | ns9542_table_write(fine_p, fine_g); |
| soramimi | 0:bd865e5a3df3 | 331 | } |
| soramimi | 0:bd865e5a3df3 | 332 | |
| soramimi | 0:bd865e5a3df3 | 333 | void ns9542_mute(bool mute) |
| soramimi | 0:bd865e5a3df3 | 334 | { |
| soramimi | 0:bd865e5a3df3 | 335 | if (mute) { |
| soramimi | 0:bd865e5a3df3 | 336 | ns9542_write(0x00, ns9542_read(0x00) | 0x02); |
| soramimi | 0:bd865e5a3df3 | 337 | } else { |
| soramimi | 0:bd865e5a3df3 | 338 | ns9542_write(0x00, ns9542_read(0x00) & ~0x02); |
| soramimi | 0:bd865e5a3df3 | 339 | } |
| soramimi | 0:bd865e5a3df3 | 340 | } |
| soramimi | 0:bd865e5a3df3 | 341 | |
| soramimi | 0:bd865e5a3df3 | 342 | void ns9542_tune_am9(int freq) // freq = kHz |
| soramimi | 0:bd865e5a3df3 | 343 | { |
| soramimi | 0:bd865e5a3df3 | 344 | unsigned short psy; |
| soramimi | 0:bd865e5a3df3 | 345 | |
| soramimi | 0:bd865e5a3df3 | 346 | psy = freq; |
| soramimi | 0:bd865e5a3df3 | 347 | |
| soramimi | 0:bd865e5a3df3 | 348 | ns9542_write(0x00, 0x23); |
| soramimi | 0:bd865e5a3df3 | 349 | |
| soramimi | 0:bd865e5a3df3 | 350 | wait10ms(); |
| soramimi | 0:bd865e5a3df3 | 351 | wait10ms(); |
| soramimi | 0:bd865e5a3df3 | 352 | |
| soramimi | 0:bd865e5a3df3 | 353 | ns9542_write(0x04, 0x80); |
| soramimi | 0:bd865e5a3df3 | 354 | ns9542_write(0x0c, 0xf0); |
| soramimi | 0:bd865e5a3df3 | 355 | |
| soramimi | 0:bd865e5a3df3 | 356 | ns9542_write(0x10, 0x10); |
| soramimi | 0:bd865e5a3df3 | 357 | |
| soramimi | 0:bd865e5a3df3 | 358 | ns9542_write(0x02, psy & 0xff); |
| soramimi | 0:bd865e5a3df3 | 359 | ns9542_write(0x03, psy >> 8); |
| soramimi | 0:bd865e5a3df3 | 360 | |
| soramimi | 0:bd865e5a3df3 | 361 | ns9542_write(0x00, 0x21); |
| soramimi | 0:bd865e5a3df3 | 362 | } |
| soramimi | 0:bd865e5a3df3 | 363 | |
| soramimi | 0:bd865e5a3df3 | 364 | void ns9542_tune_fm(int freq) // freq = MHz * 100 |
| soramimi | 0:bd865e5a3df3 | 365 | { |
| soramimi | 0:bd865e5a3df3 | 366 | unsigned short psy; |
| soramimi | 0:bd865e5a3df3 | 367 | |
| soramimi | 0:bd865e5a3df3 | 368 | psy = freq / 5; |
| soramimi | 0:bd865e5a3df3 | 369 | |
| soramimi | 0:bd865e5a3df3 | 370 | ns9542_write(0x00, 0x03); |
| soramimi | 0:bd865e5a3df3 | 371 | |
| soramimi | 0:bd865e5a3df3 | 372 | ns9542_write(0x10, 0x10); |
| soramimi | 0:bd865e5a3df3 | 373 | |
| soramimi | 0:bd865e5a3df3 | 374 | ns9542_write(0x02, psy & 0xff); |
| soramimi | 0:bd865e5a3df3 | 375 | ns9542_write(0x03, psy >> 8); |
| soramimi | 0:bd865e5a3df3 | 376 | |
| soramimi | 0:bd865e5a3df3 | 377 | ns9542_write(0x00, 0x01); |
| soramimi | 0:bd865e5a3df3 | 378 | } |
| soramimi | 0:bd865e5a3df3 | 379 | |
| soramimi | 0:bd865e5a3df3 | 380 | void ns9542_reset() |
| soramimi | 0:bd865e5a3df3 | 381 | { |
| soramimi | 0:bd865e5a3df3 | 382 | ns9542_write(0xfe, 0xaa); |
| soramimi | 0:bd865e5a3df3 | 383 | } |
| soramimi | 0:bd865e5a3df3 | 384 | |
| soramimi | 0:bd865e5a3df3 | 385 | void ns9542_power_on() |
| soramimi | 0:bd865e5a3df3 | 386 | { |
| soramimi | 0:bd865e5a3df3 | 387 | static unsigned char power_on[] = { |
| soramimi | 0:bd865e5a3df3 | 388 | 0x01, 0x30, |
| soramimi | 0:bd865e5a3df3 | 389 | 0x0c, 0x80, |
| soramimi | 0:bd865e5a3df3 | 390 | 0x0e, 0x34, |
| soramimi | 0:bd865e5a3df3 | 391 | 0x15, 0xc4, |
| soramimi | 0:bd865e5a3df3 | 392 | 0x20, 0x3c, |
| soramimi | 0:bd865e5a3df3 | 393 | 0x21, 0x03, |
| soramimi | 0:bd865e5a3df3 | 394 | 0x22, 0x0a, |
| soramimi | 0:bd865e5a3df3 | 395 | 0x23, 0x0a, |
| soramimi | 0:bd865e5a3df3 | 396 | 0x30, 0xff, |
| soramimi | 0:bd865e5a3df3 | 397 | 0x3d, 0x07, |
| soramimi | 0:bd865e5a3df3 | 398 | 0x40, 0x1a, |
| soramimi | 0:bd865e5a3df3 | 399 | 0x41, 0x9a, |
| soramimi | 0:bd865e5a3df3 | 400 | 0x50, 0xe1, |
| soramimi | 0:bd865e5a3df3 | 401 | 0x54, 0xb0, |
| soramimi | 0:bd865e5a3df3 | 402 | 0x55, 0x36, |
| soramimi | 0:bd865e5a3df3 | 403 | 0x5c, 0xc8, |
| soramimi | 0:bd865e5a3df3 | 404 | 0x5d, 0x61, |
| soramimi | 0:bd865e5a3df3 | 405 | 0x5e, 0x88, |
| soramimi | 0:bd865e5a3df3 | 406 | 0x5f, 0xa5, |
| soramimi | 0:bd865e5a3df3 | 407 | 0x71, 0x2c, |
| soramimi | 0:bd865e5a3df3 | 408 | 0x72, 0x06, |
| soramimi | 0:bd865e5a3df3 | 409 | }; |
| soramimi | 0:bd865e5a3df3 | 410 | int i; |
| soramimi | 0:bd865e5a3df3 | 411 | for (i = 0; i < sizeof(power_on); i += 2) { |
| soramimi | 0:bd865e5a3df3 | 412 | ns9542_write(power_on[i], power_on[i + 1]); |
| soramimi | 0:bd865e5a3df3 | 413 | } |
| soramimi | 0:bd865e5a3df3 | 414 | |
| soramimi | 0:bd865e5a3df3 | 415 | ns9542_write(0x00, ns9542_read(0x00) | 0x03); |
| soramimi | 0:bd865e5a3df3 | 416 | } |
| soramimi | 0:bd865e5a3df3 | 417 | |
| soramimi | 0:bd865e5a3df3 | 418 | void ns9542_dsp_alignment() |
| soramimi | 0:bd865e5a3df3 | 419 | { |
| soramimi | 0:bd865e5a3df3 | 420 | ns9542_write(0x0e, ns9542_read(0x0e) & ~0x60 | 0x40); |
| soramimi | 0:bd865e5a3df3 | 421 | ns9542_write(0x01, 0x08); |
| soramimi | 0:bd865e5a3df3 | 422 | ns9542_write(0x15, 0x0c); |
| soramimi | 0:bd865e5a3df3 | 423 | ns9542_write(0x16, 0x17); |
| soramimi | 0:bd865e5a3df3 | 424 | ns9542_write(0x37, 0x82); |
| soramimi | 0:bd865e5a3df3 | 425 | ns9542_write(0x3d, 0x37); |
| soramimi | 0:bd865e5a3df3 | 426 | wait100ms(); |
| soramimi | 0:bd865e5a3df3 | 427 | |
| soramimi | 0:bd865e5a3df3 | 428 | ns9542_imf_adjust(); |
| soramimi | 0:bd865e5a3df3 | 429 | ns9542_dsp_align_body(); |
| soramimi | 0:bd865e5a3df3 | 430 | |
| soramimi | 0:bd865e5a3df3 | 431 | ns9542_write(0x01, 0x38); |
| soramimi | 0:bd865e5a3df3 | 432 | ns9542_write(0x0e, ns9542_read(0x0e) & ~0x60 | 0x20); |
| soramimi | 0:bd865e5a3df3 | 433 | ns9542_write(0x15, 0xc0); |
| soramimi | 0:bd865e5a3df3 | 434 | ns9542_write(0x17, 0x20); |
| soramimi | 0:bd865e5a3df3 | 435 | ns9542_write(0x32, 0x00); |
| soramimi | 0:bd865e5a3df3 | 436 | ns9542_write(0x37, 0x01); |
| soramimi | 0:bd865e5a3df3 | 437 | } |
| soramimi | 0:bd865e5a3df3 | 438 | |
| soramimi | 0:bd865e5a3df3 | 439 | void ns9542_init() |
| soramimi | 0:bd865e5a3df3 | 440 | { |
| soramimi | 0:bd865e5a3df3 | 441 | i2c_sda.mode(PullUp); |
| soramimi | 0:bd865e5a3df3 | 442 | i2c_scl.mode(PullUp); |
| soramimi | 0:bd865e5a3df3 | 443 | i2c_sda.input(); |
| soramimi | 0:bd865e5a3df3 | 444 | i2c_scl.input(); |
| soramimi | 0:bd865e5a3df3 | 445 | i2c_sda.write(0); |
| soramimi | 0:bd865e5a3df3 | 446 | i2c_scl.write(0); |
| soramimi | 0:bd865e5a3df3 | 447 | |
| soramimi | 0:bd865e5a3df3 | 448 | ns9542_reset(); |
| soramimi | 0:bd865e5a3df3 | 449 | ns9542_power_on(); |
| soramimi | 0:bd865e5a3df3 | 450 | ns9542_dsp_alignment(); |
| soramimi | 0:bd865e5a3df3 | 451 | } |
| soramimi | 0:bd865e5a3df3 | 452 |