Yanni Coroneos / Mbed 2 deprecated mbed_aks_configurator

master fsm

Dependencies:   mbed

main.cpp@0:f44331af9d8b, 2015-11-25 (annotated)

Committer:
sandwich
Date:
Wed Nov 25 07:34:40 2015 +0000
Revision:
0:f44331af9d8b
master fsm

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sandwich 0:f44331af9d8b 1 #include "mbed.h"
sandwich 0:f44331af9d8b 2 SPI spi(p5, p6, p7); // mosi, miso, sclk
sandwich 0:f44331af9d8b 3 DigitalOut ak4117cs(p8);
sandwich 0:f44331af9d8b 4 DigitalOut ak4117pdn(p9);
sandwich 0:f44331af9d8b 5 DigitalOut ak4396cs(p10);
sandwich 0:f44331af9d8b 6 DigitalOut ak4396pdn(p11);
sandwich 0:f44331af9d8b 7 DigitalOut myled(LED1);
sandwich 0:f44331af9d8b 8
sandwich 0:f44331af9d8b 9 uint16_t CONTROL0_CLOCK_SOURCE = 0b0010000000001111; // select PLL as master clock source
sandwich 0:f44331af9d8b 10 uint16_t CONTROL1_CLOCK_FREQ = 0b0010000100000000; // select master clk for PLL mode, fs = 48kHz
sandwich 0:f44331af9d8b 11 uint16_t CONTROL2_FORMAT_SETTING = 0b0010001000001101; // select I2S as comm format and channel 1 for fs
sandwich 0:f44331af9d8b 12 uint16_t CONTROL3_INT_0 = 0b0010001101111111; // enable all the interrupts on INT0
sandwich 0:f44331af9d8b 13
sandwich 0:f44331af9d8b 14
sandwich 0:f44331af9d8b 15 uint16_t CONTROL2_DEFAULT_NORMALSPEED = 0b0010000110000010;
sandwich 0:f44331af9d8b 16 uint16_t CONTROL1_MODE3_RSTN_AUTO_SETTING = 0b0010000010001110;
sandwich 0:f44331af9d8b 17 uint16_t CONTROL1_MODE3_AUTO_SETTING = 0b0010000010001111;
sandwich 0:f44331af9d8b 18 uint16_t CONTROL3_DEFAULT = 0b0010001000000000;
sandwich 0:f44331af9d8b 19 uint16_t LCH_FULL_VOLUME = 0b0010001111111111;
sandwich 0:f44331af9d8b 20 uint16_t RCH_FULL_VOLUME = 0b0010010011111111;
sandwich 0:f44331af9d8b 21
sandwich 0:f44331af9d8b 22 //data order is C1,C0,R/W,A4,A3,A2,A1,A0,D7,D6.D5,D4,D3,D2,D1,D0
sandwich 0:f44331af9d8b 23 uint16_t CONTROL0_AK4396 = 0b0010000010000111;
sandwich 0:f44331af9d8b 24 uint16_t CONTROL1_AK4396 = 0b0010000110000010;
sandwich 0:f44331af9d8b 25
sandwich 0:f44331af9d8b 26
sandwich 0:f44331af9d8b 27 void ak4117_config();
sandwich 0:f44331af9d8b 28 void ak4396_config();
sandwich 0:f44331af9d8b 29
sandwich 0:f44331af9d8b 30 int main()
sandwich 0:f44331af9d8b 31 {
sandwich 0:f44331af9d8b 32 // Setup the spi for 16 bit data, high steady state clock,
sandwich 0:f44331af9d8b 33 // second edge capture, with a 9600 clock rate
sandwich 0:f44331af9d8b 34 spi.format(16,3);
sandwich 0:f44331af9d8b 35 spi.frequency(9600);
sandwich 0:f44331af9d8b 36 ak4396cs = 1;
sandwich 0:f44331af9d8b 37 ak4117cs=1;
sandwich 0:f44331af9d8b 38
sandwich 0:f44331af9d8b 39 ak4117_config();
sandwich 0:f44331af9d8b 40 wait(0.2);
sandwich 0:f44331af9d8b 41 ak4396_config();
sandwich 0:f44331af9d8b 42 while(1) {
sandwich 0:f44331af9d8b 43 myled = 1;
sandwich 0:f44331af9d8b 44 wait(0.2);
sandwich 0:f44331af9d8b 45 myled = 0;
sandwich 0:f44331af9d8b 46 wait(0.2);
sandwich 0:f44331af9d8b 47 }
sandwich 0:f44331af9d8b 48 }
sandwich 0:f44331af9d8b 49
sandwich 0:f44331af9d8b 50 void ak4396_config()
sandwich 0:f44331af9d8b 51 {
sandwich 0:f44331af9d8b 52 // Chip must be deselected
sandwich 0:f44331af9d8b 53 ak4396cs = 1;
sandwich 0:f44331af9d8b 54 ak4396pdn=0; //power down
sandwich 0:f44331af9d8b 55 wait_ms(1);
sandwich 0:f44331af9d8b 56 ak4396pdn=1;
sandwich 0:f44331af9d8b 57 wait_ms(1);
sandwich 0:f44331af9d8b 58
sandwich 0:f44331af9d8b 59
sandwich 0:f44331af9d8b 60 //while (1)
sandwich 0:f44331af9d8b 61 // {
sandwich 0:f44331af9d8b 62 // Select the device by seting chip select low
sandwich 0:f44331af9d8b 63 ak4396cs = 0;
sandwich 0:f44331af9d8b 64 // turn on zero_detect
sandwich 0:f44331af9d8b 65 spi.write(CONTROL0_AK4396);
sandwich 0:f44331af9d8b 66 // Deselect the device
sandwich 0:f44331af9d8b 67 ak4396cs = 1;
sandwich 0:f44331af9d8b 68 wait_ms(1);
sandwich 0:f44331af9d8b 69
sandwich 0:f44331af9d8b 70 ak4396cs=0;
sandwich 0:f44331af9d8b 71 spi.write(CONTROL1_AK4396);
sandwich 0:f44331af9d8b 72 ak4396cs=1;
sandwich 0:f44331af9d8b 73 wait_ms(1);
sandwich 0:f44331af9d8b 74 return;
sandwich 0:f44331af9d8b 75 }
sandwich 0:f44331af9d8b 76
sandwich 0:f44331af9d8b 77 void ak4117_config()
sandwich 0:f44331af9d8b 78 {
sandwich 0:f44331af9d8b 79 // Chip must be deselected
sandwich 0:f44331af9d8b 80 ak4117cs = 1;
sandwich 0:f44331af9d8b 81 ak4117pdn=0; //power down
sandwich 0:f44331af9d8b 82 wait_ms(1);
sandwich 0:f44331af9d8b 83 ak4117pdn=1;
sandwich 0:f44331af9d8b 84 wait_ms(1);
sandwich 0:f44331af9d8b 85
sandwich 0:f44331af9d8b 86 //while (1)
sandwich 0:f44331af9d8b 87 // {
sandwich 0:f44331af9d8b 88 // Select the device by seting chip select low
sandwich 0:f44331af9d8b 89 ak4117cs = 0;
sandwich 0:f44331af9d8b 90 // turn on zero_detect
sandwich 0:f44331af9d8b 91 spi.write(CONTROL0_CLOCK_SOURCE);
sandwich 0:f44331af9d8b 92 // Deselect the device
sandwich 0:f44331af9d8b 93 ak4117cs = 1;
sandwich 0:f44331af9d8b 94 wait_ms(1);
sandwich 0:f44331af9d8b 95
sandwich 0:f44331af9d8b 96 ak4117cs=0;
sandwich 0:f44331af9d8b 97 spi.write(CONTROL1_CLOCK_FREQ);
sandwich 0:f44331af9d8b 98 ak4117cs=1;
sandwich 0:f44331af9d8b 99 wait_ms(1);
sandwich 0:f44331af9d8b 100
sandwich 0:f44331af9d8b 101 ak4117cs=0;
sandwich 0:f44331af9d8b 102 spi.write(CONTROL2_FORMAT_SETTING);
sandwich 0:f44331af9d8b 103 ak4117cs=1;
sandwich 0:f44331af9d8b 104 wait_ms(1);
sandwich 0:f44331af9d8b 105
sandwich 0:f44331af9d8b 106 ak4117cs=0;
sandwich 0:f44331af9d8b 107 spi.write(CONTROL3_INT_0);
sandwich 0:f44331af9d8b 108 ak4117cs=1;
sandwich 0:f44331af9d8b 109 wait_ms(1);
sandwich 0:f44331af9d8b 110 return;
sandwich 0:f44331af9d8b 111 }