Library for KT0915, DSP radio IC
KT0915.h@3:a86c8f7a4e47, 2018-01-10 (annotated)
- Committer:
- ritarosakai
- Date:
- Wed Jan 10 09:58:00 2018 +0000
- Revision:
- 3:a86c8f7a4e47
- Parent:
- 2:108a1ae04859
- Child:
- 4:d3d45a8ac7a5
Fixed some comments
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ritarosakai | 0:e5bccd46b6db | 1 | #ifndef __KT0915_H |
ritarosakai | 0:e5bccd46b6db | 2 | #define __KT0915_H |
ritarosakai | 0:e5bccd46b6db | 3 | |
ritarosakai | 0:e5bccd46b6db | 4 | #include "mbed.h" |
ritarosakai | 0:e5bccd46b6db | 5 | |
ritarosakai | 0:e5bccd46b6db | 6 | #define KT0915_address 0x6A |
ritarosakai | 0:e5bccd46b6db | 7 | |
ritarosakai | 0:e5bccd46b6db | 8 | /** Library for KT0915 |
ritarosakai | 0:e5bccd46b6db | 9 | */ |
ritarosakai | 0:e5bccd46b6db | 10 | class KT0915 |
ritarosakai | 0:e5bccd46b6db | 11 | { |
ritarosakai | 0:e5bccd46b6db | 12 | public: |
ritarosakai | 0:e5bccd46b6db | 13 | /** Create a KT0915 instance connected to specified I2C pins |
ritarosakai | 0:e5bccd46b6db | 14 | * |
ritarosakai | 0:e5bccd46b6db | 15 | * @param sda I2C-bus SDA pin |
ritarosakai | 0:e5bccd46b6db | 16 | * @param scl I2C-bus SCL pin |
ritarosakai | 0:e5bccd46b6db | 17 | */ |
ritarosakai | 0:e5bccd46b6db | 18 | KT0915(PinName sda,PinName scl); |
ritarosakai | 3:a86c8f7a4e47 | 19 | /**InitializeKT0915 |
ritarosakai | 0:e5bccd46b6db | 20 | * |
ritarosakai | 0:e5bccd46b6db | 21 | *Set paramaters below |
ritarosakai | 0:e5bccd46b6db | 22 | * |
ritarosakai | 0:e5bccd46b6db | 23 | *0x02:0b0000000000000111 FM space:100KHz, R/L mute:disable |
ritarosakai | 0:e5bccd46b6db | 24 | * |
ritarosakai | 0:e5bccd46b6db | 25 | *0x04:0b1110000010010000 FM/AM/device mute:disable, bass:disable DAC cap:60uF |
ritarosakai | 0:e5bccd46b6db | 26 | * |
ritarosakai | 0:e5bccd46b6db | 27 | *0x05:0b1001100000100000 Mono:enable, de-emphasis:50uF, blend:disable |
ritarosakai | 0:e5bccd46b6db | 28 | * |
ritarosakai | 0:e5bccd46b6db | 29 | *0x0A:0b0000010000000000 LDO:highest, FM AFC:enable |
ritarosakai | 0:e5bccd46b6db | 30 | * |
ritarosakai | 0:e5bccd46b6db | 31 | *0x0C:0b0000000000101100 FM wide freq:enable |
ritarosakai | 0:e5bccd46b6db | 32 | * |
ritarosakai | 0:e5bccd46b6db | 33 | *0x0F:0b1000100000000000 Stanby:disable, volume:0 |
ritarosakai | 0:e5bccd46b6db | 34 | * |
ritarosakai | 3:a86c8f7a4e47 | 35 | *0x16:0b0000000011000010 Mode:FM, use internal defined band, Audio gain:0dB, AM AFC:enable |
ritarosakai | 3:a86c8f7a4e47 | 36 | * |
ritarosakai | 0:e5bccd46b6db | 37 | *0x22:0b1010001011101100 AM AGC fast win:fastest, AM AGC short win:slowest |
ritarosakai | 0:e5bccd46b6db | 38 | * |
ritarosakai | 0:e5bccd46b6db | 39 | *AM bandwidth:6KHz, AM gain:12dB, Left Inverse Control:enable |
ritarosakai | 0:e5bccd46b6db | 40 | * |
ritarosakai | 1:bf3cbe137051 | 41 | *0x23:0bxxx111xxxxxxxxxx low th:B |
ritarosakai | 0:e5bccd46b6db | 42 | * |
ritarosakai | 0:e5bccd46b6db | 43 | *0x2E:0b0010100010001100 softmute:fast, AM softmute start level:0b100 |
ritarosakai | 0:e5bccd46b6db | 44 | * |
ritarosakai | 0:e5bccd46b6db | 45 | *softmute target volume:0b0100, softmute mode:RSSI, FM softmute start threshold:0b100 |
ritarosakai | 0:e5bccd46b6db | 46 | * |
ritarosakai | 0:e5bccd46b6db | 47 | *0x33:0b0101010000000001 AM space:9KHz |
ritarosakai | 0:e5bccd46b6db | 48 | * |
ritarosakai | 1:bf3cbe137051 | 49 | *0x3F:0bxxxxxxxxx001x011 RF AGC patch |
ritarosakai | 0:e5bccd46b6db | 50 | */ |
ritarosakai | 0:e5bccd46b6db | 51 | |
ritarosakai | 0:e5bccd46b6db | 52 | void init(void); |
ritarosakai | 0:e5bccd46b6db | 53 | |
ritarosakai | 0:e5bccd46b6db | 54 | /**read KT0915_WHO_AM_I |
ritarosakai | 0:e5bccd46b6db | 55 | * |
ritarosakai | 0:e5bccd46b6db | 56 | *return 0x4B54 |
ritarosakai | 0:e5bccd46b6db | 57 | */ |
ritarosakai | 0:e5bccd46b6db | 58 | int getID(void); |
ritarosakai | 0:e5bccd46b6db | 59 | |
ritarosakai | 0:e5bccd46b6db | 60 | /**set volume |
ritarosakai | 0:e5bccd46b6db | 61 | * |
ritarosakai | 0:e5bccd46b6db | 62 | *vol...0~31 |
ritarosakai | 0:e5bccd46b6db | 63 | */ |
ritarosakai | 0:e5bccd46b6db | 64 | void set_vol(int vol); |
ritarosakai | 0:e5bccd46b6db | 65 | |
ritarosakai | 0:e5bccd46b6db | 66 | /**set frequency and tune |
ritarosakai | 0:e5bccd46b6db | 67 | * |
ritarosakai | 0:e5bccd46b6db | 68 | *AM...mode=1, freq=frequency (KHz) |
ritarosakai | 0:e5bccd46b6db | 69 | * |
ritarosakai | 0:e5bccd46b6db | 70 | *FM...mode=0, freq=100*frequency (MHz) |
ritarosakai | 0:e5bccd46b6db | 71 | */ |
ritarosakai | 0:e5bccd46b6db | 72 | void set_freq(bool mode,int freq); |
ritarosakai | 0:e5bccd46b6db | 73 | |
ritarosakai | 2:108a1ae04859 | 74 | /**set xtal frequency |
ritarosakai | 2:108a1ae04859 | 75 | * |
ritarosakai | 2:108a1ae04859 | 76 | *xtal=32,38,12000,24000 (KHz) |
ritarosakai | 2:108a1ae04859 | 77 | * |
ritarosakai | 2:108a1ae04859 | 78 | *If your xtal is 32.768Khz,set to 32. |
ritarosakai | 2:108a1ae04859 | 79 | */ |
ritarosakai | 2:108a1ae04859 | 80 | void set_xtal(int xtal); |
ritarosakai | 2:108a1ae04859 | 81 | |
ritarosakai | 0:e5bccd46b6db | 82 | /**read RSSI (dB) |
ritarosakai | 0:e5bccd46b6db | 83 | * |
ritarosakai | 0:e5bccd46b6db | 84 | *AM...mode=0 |
ritarosakai | 0:e5bccd46b6db | 85 | * |
ritarosakai | 0:e5bccd46b6db | 86 | *FM...mode=1 |
ritarosakai | 0:e5bccd46b6db | 87 | */ |
ritarosakai | 0:e5bccd46b6db | 88 | int get_rssi(bool mode); |
ritarosakai | 0:e5bccd46b6db | 89 | |
ritarosakai | 2:108a1ae04859 | 90 | /**set channel space |
ritarosakai | 2:108a1ae04859 | 91 | * |
ritarosakai | 2:108a1ae04859 | 92 | *AM...mode=0, space=1,9,10 (KHz) |
ritarosakai | 2:108a1ae04859 | 93 | * |
ritarosakai | 2:108a1ae04859 | 94 | *If space=1, bandwidth sets 2KHz. |
ritarosakai | 2:108a1ae04859 | 95 | * |
ritarosakai | 2:108a1ae04859 | 96 | *If space=9 or 10, bandwidth sets 6KHz. |
ritarosakai | 2:108a1ae04859 | 97 | * |
ritarosakai | 2:108a1ae04859 | 98 | *FM...mode=1, space=50,100,200 (KHz) |
ritarosakai | 2:108a1ae04859 | 99 | */ |
ritarosakai | 2:108a1ae04859 | 100 | void set_space(bool mode,int space); |
ritarosakai | 2:108a1ae04859 | 101 | |
ritarosakai | 0:e5bccd46b6db | 102 | /**read SNR (dB) |
ritarosakai | 0:e5bccd46b6db | 103 | * |
ritarosakai | 0:e5bccd46b6db | 104 | *for FM only |
ritarosakai | 0:e5bccd46b6db | 105 | */ |
ritarosakai | 0:e5bccd46b6db | 106 | int get_snr(bool mode); |
ritarosakai | 0:e5bccd46b6db | 107 | |
ritarosakai | 0:e5bccd46b6db | 108 | /**read Chip Ready Indicator |
ritarosakai | 0:e5bccd46b6db | 109 | * |
ritarosakai | 0:e5bccd46b6db | 110 | *0...Chip is not ready. |
ritarosakai | 0:e5bccd46b6db | 111 | * |
ritarosakai | 0:e5bccd46b6db | 112 | *1...Chip is ready. |
ritarosakai | 0:e5bccd46b6db | 113 | */ |
ritarosakai | 0:e5bccd46b6db | 114 | bool get_ready(void); |
ritarosakai | 0:e5bccd46b6db | 115 | |
ritarosakai | 0:e5bccd46b6db | 116 | /**re-cali*/ |
ritarosakai | 0:e5bccd46b6db | 117 | void cali(void); |
ritarosakai | 0:e5bccd46b6db | 118 | |
ritarosakai | 0:e5bccd46b6db | 119 | private: |
ritarosakai | 0:e5bccd46b6db | 120 | I2C _KT0915; |
ritarosakai | 2:108a1ae04859 | 121 | void write_reg(int memory_address,int byte1,int byte2); |
ritarosakai | 2:108a1ae04859 | 122 | void read_reg(int memory_address,int *byte1,int *byte2); |
ritarosakai | 2:108a1ae04859 | 123 | int data1,data2; |
ritarosakai | 0:e5bccd46b6db | 124 | }; |
ritarosakai | 0:e5bccd46b6db | 125 | |
ritarosakai | 0:e5bccd46b6db | 126 | #endif |