Ashwath M Pavithran
Publishing for sharing with Harald
Revision 4:1c48c9fa44fc, committed 2020-05-22
- Comitter:
- CactusSemi
- Date:
- Fri May 22 19:19:45 2020 +0000
- Parent:
- 3:3e8c16b6620c
- Commit message:
- Publishing for sharing with Harald
Changed in this revision
--- a/EasyFuse_Prog.cpp Thu Jun 21 22:11:25 2018 +0000
+++ b/EasyFuse_Prog.cpp Fri May 22 19:19:45 2020 +0000
@@ -23,28 +23,49 @@
void print_nvm_reg(uint8_t *max_Vout, uint8_t *max_Vout_trim, uint8_t *high_time, uint8_t *low_time, uint8_t *adc_samp_rate,
uint8_t *adc_range, uint8_t *adc_time_out, uint8_t *comp_offset, uint8_t *range_trim, uint8_t *PMOS_off, uint8_t *Driver2, uint8_t *Driver3,
-uint8_t *DMOS, uint8_t *CCM_threshold, uint8_t *DMOS_ctrl_trim, uint8_t *adc_op_mode) {
+uint8_t *neg_hlf_rng, uint8_t *CCM_threshold, uint8_t *DMOS_ctrl_trim, uint8_t *adc_op_mode) {
pc.printf("\033[%dm ", 35);//change text color to red
pc.printf("\n\n\n\r\t Register contents :\n\r\t ");
for ( int i = 0; i<26; i++) pc.printf("\304");
- pc.printf("\n\n\r\t 1. max_Vout = 0x%2.2X",*max_Vout);
- pc.printf("\n\n\r\t 2. max_Vout_trim = 0x%2.2X",*max_Vout_trim);
- pc.printf("\n\n\r\t 3. high_time = 0x%2.2X",*high_time);
- pc.printf("\n\n\r\t 4. low_time = 0x%2.2X",*low_time);
- pc.printf("\n\n\r\t 5. adc_samp_rate = 0x%2.2X",*adc_samp_rate);
- pc.printf("\n\n\r\t 6. adc_range = 0x%2.2X",*adc_range);
- pc.printf("\n\n\r\t 7. adc_time_out = 0x%2.2X",*adc_time_out);
- pc.printf("\n\n\r\t 8. comp_offset = 0x%2.2X",*comp_offset);
- pc.printf("\n\n\r\t 9. range_trim = 0x%2.2X",*range_trim);
- pc.printf("\n\n\r\t 10. PMOS_off = 0x%2.2X",*PMOS_off);
- pc.printf("\n\n\r\t 11. Driver2 = 0x%2.2X",*Driver2);
- pc.printf("\n\n\r\t 12. Driver3 = 0x%2.2X",*Driver3);
- pc.printf("\n\n\r\t 13. DMOS = 0x%2.2X",*DMOS);
- pc.printf("\n\n\r\t 14. CCM_threshold = 0x%2.2X",*CCM_threshold);
- pc.printf("\n\n\r\t 15. DMOS_ctrl_trim = 0x%2.2X",*DMOS_ctrl_trim);
- pc.printf("\n\n\r\t 16. adc_op_mode = 0x%2.2X",*adc_op_mode);
- pc.printf("\n\n\r\t ");
+ if (*PMOS_off == 0x0f) // ACP Mode
+ {
+ pc.printf("\n\n\r\t\t ACP Mode \n\n");
+ pc.printf("\n\n\r\t 1. max_Vout = 0x%2.2X",*max_Vout);
+ pc.printf("\n\n\r\t 2. max_Vout_trim = 0x%2.2X",*max_Vout_trim);
+ pc.printf("\n\n\r\t 3. high_time = 0x%2.2X",*high_time);
+ pc.printf("\n\n\r\t 4. low_time = 0x%2.2X",*low_time);
+ pc.printf("\n\n\r\t 5. adc_samp_rate = 0x%2.2X",*adc_samp_rate);
+ pc.printf("\n\n\r\t 6. adc_range = 0x%2.2X",*adc_range);
+ pc.printf("\n\n\r\t 7. adc_time_out = 0x%2.2X",*adc_time_out);
+ pc.printf("\n\n\r\t 8. comp_offset = 0x%2.2X",*comp_offset);
+ pc.printf("\n\n\r\t 9. range_trim = 0x%2.2X",*range_trim);
+ pc.printf("\n\n\r\t 10. PMOS_off = 0x%2.2X",*PMOS_off);
+ pc.printf("\n\n\r\t 13. SkipPwr = 0x%2.2X",*neg_hlf_rng);
+ pc.printf("\n\n\r\t 16. adc_op_mode = 0x%2.2X",*adc_op_mode);
+ pc.printf("\n\n\r\t ");
+ }
+ else
+ {
+ pc.printf("\n\n\r\t\t BiP Mode \n\n");
+ pc.printf("\n\n\r\t 1. max_Vout = 0x%2.2X",*max_Vout);
+ pc.printf("\n\n\r\t 2. max_Vout_trim = 0x%2.2X",*max_Vout_trim);
+ pc.printf("\n\n\r\t 3. high_time = 0x%2.2X",*high_time);
+ pc.printf("\n\n\r\t 4. low_time = 0x%2.2X",*low_time);
+ pc.printf("\n\n\r\t 5. adc_samp_rate = 0x%2.2X",*adc_samp_rate);
+ pc.printf("\n\n\r\t 6. adc_range = 0x%2.2X",*adc_range);
+ pc.printf("\n\n\r\t 7. adc_time_out = 0x%2.2X",*adc_time_out);
+ pc.printf("\n\n\r\t 8. comp_offset = 0x%2.2X",*comp_offset);
+ pc.printf("\n\n\r\t 9. range_trim = 0x%2.2X",*range_trim);
+ pc.printf("\n\n\r\t 10. PMOS_off = 0x%2.2X",*PMOS_off);
+ pc.printf("\n\n\r\t 11. Driver2 = 0x%2.2X",*Driver2);
+ pc.printf("\n\n\r\t 12. Driver3 = 0x%2.2X",*Driver3);
+ pc.printf("\n\n\r\t 13. neg_hlf_rng = 0x%2.2X",*neg_hlf_rng);
+ pc.printf("\n\n\r\t 14. CCM_threshold = 0x%2.2X",*CCM_threshold);
+ pc.printf("\n\n\r\t 15. DMOS_ctrl_trim = 0x%2.2X",*DMOS_ctrl_trim);
+ pc.printf("\n\n\r\t 16. adc_op_mode = 0x%2.2X",*adc_op_mode);
+ pc.printf("\n\n\r\t ");
+ }
for ( int i = 0; i<26; i++) pc.printf("\315");
pc.printf("\033[%dm", 32);//change text color to green
pc.printf("\n\r");
@@ -52,20 +73,20 @@
void edit_nvm_reg(uint8_t *max_Vout, uint8_t *max_Vout_trim, uint8_t *high_time, uint8_t *low_time, uint8_t *adc_samp_rate,
uint8_t *adc_range, uint8_t *adc_time_out, uint8_t *comp_offset, uint8_t *range_trim, uint8_t *PMOS_off, uint8_t *Driver2, uint8_t *Driver3,
-uint8_t *DMOS, uint8_t *CCM_threshold, uint8_t *DMOS_ctrl_trim, uint8_t *adc_op_mode) {
+uint8_t *neg_hlf_rng, uint8_t *CCM_threshold, uint8_t *DMOS_ctrl_trim, uint8_t *adc_op_mode) {
char temp;
int flag1;
char count;
char reg_data;
- char reg_name[16][15] = {"max_Vout", "max_Vout_trim", "high_time", "low_time", "adc_samp_rate",
+ char reg_name[16][20] = {"max_Vout", "max_Vout_trim", "high_time", "low_time", "adc_samp_rate",
"adc_range", "adc_time_out", "comp_offset", "range_trim", "PMOS_off", "Driver2", "Driver3",
- "DMOS", "CCM_threshold", "DMOS_ctrl_trim", "adc_op_mode" };
+ "neg_hlf_rng_SkipPwr", "CCM_threshold", "DMOS_ctrl_trim", "adc_op_mode" };
uint8_t *reg_addr[16] = { max_Vout, max_Vout_trim, high_time, low_time, adc_samp_rate,
adc_range, adc_time_out, comp_offset, range_trim, PMOS_off, Driver2, Driver3,
- DMOS, CCM_threshold, DMOS_ctrl_trim, adc_op_mode};
+ neg_hlf_rng, CCM_threshold, DMOS_ctrl_trim, adc_op_mode};
pc.printf("\n\n\n \r\tDo you want to edit the registers? (y/n) : ");
temp = 0;
@@ -73,7 +94,7 @@
temp = pc.getc();
}
if (temp == 'n') {
- pc.printf("\n\n \r\tContinue with above contents");
+ pc.printf("\n\n \r\tContinuing with above contents");
return;
}
temp = 'y';
@@ -112,7 +133,7 @@
print_nvm_reg( max_Vout, max_Vout_trim, high_time, low_time, adc_samp_rate,
adc_range, adc_time_out, comp_offset, range_trim, PMOS_off, Driver2, Driver3,
- DMOS, CCM_threshold, DMOS_ctrl_trim, adc_op_mode);
+ neg_hlf_rng, CCM_threshold, DMOS_ctrl_trim, adc_op_mode);
pc.printf("\n\n \r\tDo you want to make more changes? (y/n) : ");
temp = pc.getc();
@@ -121,7 +142,7 @@
void i2c_write_fn(I2C *i2c_obj, char ptr, char write_data) {
int flag1;
- wait_us(10);
+ wait_us(20);
(*i2c_obj).start();
flag1 = (*i2c_obj).write(dev_addr);
if (flag1 != 1) pc.printf("\n\n\r\tNo Ack for dev addr :(");
@@ -129,8 +150,9 @@
if (flag1 != 1) pc.printf("\n\n\r\tNo Ack reg pointer :(");
flag1 = (*i2c_obj).write(write_data);
if (flag1 != 1) pc.printf("\n\n\r\tNo Ack data :(");
- wait_us(5);
+ wait_us(20);
(*i2c_obj).stop();
+ wait_us(300);
}
char i2c_read_fn(I2C *i2c_obj, char ptr) {
@@ -143,14 +165,14 @@
flag1 = (*i2c_obj).write(ptr);
if (flag1 != 1) pc.printf("\n\n\r\tNo Ack reg pointer :(");
(*i2c_obj).stop();
- wait_us(10);
+ wait_us(300);
(*i2c_obj).start();
flag1 = (*i2c_obj).write(dev_addr | 0x01); //lsb 1 for read
if (flag1 != 1) pc.printf("\n\n\r\tNo Ack for dev addr :(");
read_data = (*i2c_obj).read(0); //0- donot send ack after read is done
wait_us(5);
(*i2c_obj).stop();
- wait_us(120);
+ wait_us(300);
return read_data;
}
@@ -158,7 +180,8 @@
char reg_ptr = 0x00;
char reg_data[10];
char data;
- uint8_t NVM_READ = 0x70 ;
+ uint8_t NVM_PWR_ON = 0x20 ;
+ uint8_t NVM_READ = 0x90 ; //force load shadow register
uint8_t NVM_CTLR_ADR = 0x0a ; //Register address for NVM CTRL
uint64_t NVM_data = 0x0000000000000000;
@@ -175,7 +198,7 @@
uint8_t PMOS_off;
uint8_t Driver2;
uint8_t Driver3;
- uint8_t DMOS;
+ uint8_t neg_hlf_rng;
uint8_t CCM_threshold;
uint8_t DMOS_ctrl_trim;
uint8_t adc_op_mode;
@@ -189,21 +212,10 @@
pc.printf("\n\n\r\tSwitching to faster clock before reading the NVM");
i2c_write_fn(i2c_obj,0x02,0x01); //switching to faster clock for NVM read
i2c_write_fn(i2c_obj,0x03,0x01); //switching to faster clock for NVM read
+ i2c_write_fn(i2c_obj,NVM_CTLR_ADR,NVM_PWR_ON);
wait_ms(1);
- i2c_write_fn(i2c_obj,NVM_CTLR_ADR,NVM_READ); //Perform a complete read; will be sucessful only if NVM is not empty
- wait_ms(100);
-
- //check if tm_nvm_read bit has cleared itself
- temp = 0;
- while (temp == 0){
- data = i2c_read_fn(i2c_obj,NVM_CTLR_ADR);
- data = data & 0x40;
- if (data == 0x00) {
- pc.printf("\n\n\r\ttm_nvm_read has cleared; so loading Register with NVM complete");
- temp = 1;
- }
- else wait_ms(100);
- }
+ i2c_write_fn(i2c_obj,NVM_CTLR_ADR,(NVM_PWR_ON + NVM_READ)); //Force load shadow register from NVM
+ wait_ms(200);
pc.printf("\n\n\n\r\tReading register 0x00 to 0x09");
for( reg_ptr = 0x00; reg_ptr <= 0x09; reg_ptr = reg_ptr+1) {
@@ -223,7 +235,7 @@
PMOS_off = reg_data[7] & 0x0f;
Driver2 = reg_data[8] & 0x0f;
Driver3 = (reg_data[8]>>4) & 0x0f;
- DMOS = (reg_data[9]>>7) & 0x01;
+ neg_hlf_rng = (reg_data[9]>>7) & 0x01;
CCM_threshold = (reg_data[7]>>4) & 0x0f;
DMOS_ctrl_trim = reg_data[9] & 0x1f;
adc_op_mode = (reg_data[5]>>7) & 0x01;
@@ -232,10 +244,10 @@
print_nvm_reg(&max_Vout, &max_Vout_trim, &high_time, &low_time, &adc_samp_rate,
&adc_range, &adc_time_out, &comp_offset, &range_trim, &PMOS_off, &Driver2, &Driver3,
- &DMOS, &CCM_threshold, &DMOS_ctrl_trim, &adc_op_mode);
+ &neg_hlf_rng, &CCM_threshold, &DMOS_ctrl_trim, &adc_op_mode);
//push data into NVM_data
- NVM_data = NVM_data | (max_Vout+1); //max_Vout(register) = max_Vout(NVM) - 1
+ NVM_data = NVM_data | (max_Vout); //max_Vout(register) = max_Vout(NVM) - 1// this needs to be changed
NVM_data = (NVM_data<<5) | max_Vout_trim;
NVM_data = (NVM_data<<7) | high_time; // <<x : x corresponds to no. of bits
NVM_data = (NVM_data<<7) | low_time;
@@ -247,7 +259,7 @@
NVM_data = (NVM_data<<4) | PMOS_off;
NVM_data = (NVM_data<<4) | Driver2;
NVM_data = (NVM_data<<4) | Driver3;
- NVM_data = (NVM_data<<1) | DMOS;
+ NVM_data = (NVM_data<<1) | neg_hlf_rng;
NVM_data = (NVM_data<<4) | CCM_threshold;
NVM_data = (NVM_data<<5) | DMOS_ctrl_trim;
NVM_data = (NVM_data<<1) | adc_op_mode;
@@ -262,36 +274,37 @@
uint64_t NVM_read_data;
// Register variables
- uint8_t max_Vout = 0x07;
- uint8_t max_Vout_trim = 0x00;
- uint8_t high_time = 0x12;
- uint8_t low_time = 0x29;
- uint8_t adc_samp_rate = 0x06;
- uint8_t adc_range = 0x01;
- uint8_t adc_time_out = 0x02;
- uint8_t comp_offset = 0x00;
- uint8_t range_trim = 0x0f;
- uint8_t PMOS_off = 0x08;
- uint8_t Driver2 = 0x08;
- uint8_t Driver3 = 0x08;
- uint8_t DMOS = 0x01;
- uint8_t CCM_threshold = 0x0f;
- uint8_t DMOS_ctrl_trim = 0x0c;
- uint8_t adc_op_mode = 0x01;
+ uint8_t max_Vout = 0x00; //4.2V
+ uint8_t max_Vout_trim = 0x03; //0%
+ uint8_t high_time = 0x11; //12us
+ uint8_t low_time = 0x46; //38us
+ uint8_t adc_samp_rate = 0x05; //1 sample/1.35s
+ uint8_t adc_range = 0x01; //2mV
+ uint8_t adc_time_out = 0x02; // 1/256 = 5.3ms
+ uint8_t comp_offset = 0x00; //0%
+ uint8_t range_trim = 0x16; //0%
+ uint8_t PMOS_off = 0x07; //7 -> 18mV
+ uint8_t Driver2 = 0x08; //8 -> 36mV
+ uint8_t Driver3 = 0x08; // 8 -> 54mV
+ uint8_t neg_hlf_rng = 0x00; //disabled
+ uint8_t CCM_threshold = 0x00; //off
+ uint8_t DMOS_ctrl_trim = 0x16; //<14us
+ uint8_t adc_op_mode = 0x00; //Transmit measurements continously
- // NVM Register Control Bit locations; PWR_ON set in all the definitions
- uint8_t NVM_RESET = 0x31 ;
+ // NVM Register Control Bit locations;
+ uint8_t NVM_RESET = 0x01 ;
uint8_t NVM_PWE1 = 0x02 ;
- uint8_t NVM_CLK1 = 0x34 ;
- uint8_t NVM_PWR_ON = 0x30 ;
- uint8_t NVM_READ = 0x70 ;
+ uint8_t NVM_CLK1 = 0x04 ;
+ uint8_t NVM_PWR_ON = 0x20 ;
+ uint8_t NVM_LD_SHDW = 0x90 ;//unpdated in Rev1.0
+ uint8_t NVM_READ = 0x50 ;
- uint8_t NVM_CTLR_ADR = 0x0a ; //Register address for NVM CTRL
+ uint8_t NVM_CTLR_ADR = 0x0a ; //Register address for NVM CTRL
char reg_data = 0xaa;
char temp;
char high_time_prog = 0x04;
- char low_time_prog = 0x04;
+ char low_time_prog = 0x05;
int flag1 = 0;
int i = 0;
@@ -306,14 +319,14 @@
pc.printf("\n\n\r\tFollowing are the default register data that will be programmed: \n\r ");
print_nvm_reg(&max_Vout, &max_Vout_trim, &high_time, &low_time, &adc_samp_rate,
&adc_range, &adc_time_out, &comp_offset, &range_trim, &PMOS_off, &Driver2, &Driver3,
- &DMOS, &CCM_threshold, &DMOS_ctrl_trim, &adc_op_mode);
+ &neg_hlf_rng, &CCM_threshold, &DMOS_ctrl_trim, &adc_op_mode);
edit_nvm_reg(&max_Vout, &max_Vout_trim, &high_time, &low_time, &adc_samp_rate,
&adc_range, &adc_time_out, &comp_offset, &range_trim, &PMOS_off, &Driver2, &Driver3,
- &DMOS, &CCM_threshold, &DMOS_ctrl_trim, &adc_op_mode);
+ &neg_hlf_rng, &CCM_threshold, &DMOS_ctrl_trim, &adc_op_mode);
//push data into NVM_data
- NVM_data = NVM_data | (max_Vout+1); //max_Vout(register) = max_Vout(NVM) - 1
+ NVM_data = NVM_data | max_Vout; //no more addition of 1 as in Jacaranda
NVM_data = (NVM_data<<5) | max_Vout_trim;
NVM_data = (NVM_data<<7) | high_time; // <<x : x corresponds to no. of bits
NVM_data = (NVM_data<<7) | low_time;
@@ -325,12 +338,11 @@
NVM_data = (NVM_data<<4) | PMOS_off;
NVM_data = (NVM_data<<4) | Driver2;
NVM_data = (NVM_data<<4) | Driver3;
- NVM_data = (NVM_data<<1) | DMOS;
+ NVM_data = (NVM_data<<1) | neg_hlf_rng;
NVM_data = (NVM_data<<4) | CCM_threshold;
NVM_data = (NVM_data<<5) | DMOS_ctrl_trim;
NVM_data = (NVM_data<<1) | adc_op_mode;
pc.printf("\n\n\n\r\tData to be written into NVM = 0x%016llX",NVM_data);
- pc.printf("\n\n\r\tPlease note that max_Vout has been incremented. max_Vout(NVM) = max_Vout(register) + 1");
pc.printf("\n\n\r\t");
for ( i = 0; i<80; i++) pc.printf("\304");
pc.printf("\n\n\r\tContinue EasyFuse Programming? (y/n): ");
@@ -342,31 +354,26 @@
pc.printf("\n\n\r\tAborting... :(");
return;
}
+ temp = 0;
+ pc.printf("\n\n\n\r\tConnect PROG to 4.5V & VINA to 4.5V and press 'c' to continue");
+ while ( temp!='c') {
+ temp = pc.getc();
+ }
//EasyFuse Empty check
- pc.printf("\n\n\r\tPerforming NVM Empty check by trying to load register with NVM contents");
+ pc.printf("\n\n\r\tPerforming NVM Empty check by trying to load register with NVM contents.");
i2c_write_fn(&i2c,0x02,0x01); //switching to faster clock for NVM read
i2c_write_fn(&i2c,0x03,0x01); //switching to faster clock for NVM read
wait_ms(1);
- i2c_write_fn(&i2c,NVM_CTLR_ADR,NVM_READ); //Perform a complete read; will be sucessful only if NVM is not empty
- wait_ms(100);
-
- //check if tm_nvm_read bit has cleared itself
- temp = 0;
- while (temp == 0){
- reg_data = i2c_read_fn(&i2c,NVM_CTLR_ADR);
- reg_data = reg_data & 0x40;
- if (reg_data == 0x00) {
- pc.printf("\n\n\r\ttm_nvm_read has cleared; so loading Register with NVM complete");
- temp = 1;
- }
- else wait_ms(100);
- }
-
+ i2c_write_fn(&i2c,NVM_CTLR_ADR,NVM_PWR_ON);
+ wait_ms(1);
+ i2c_write_fn(&i2c,NVM_CTLR_ADR,(NVM_READ + NVM_PWR_ON)); //Initiate NVM read cycle
+ wait_ms(200);
+
reg_data = i2c_read_fn(&i2c,0x02);
reg_data = reg_data<<4;
reg_data = reg_data | i2c_read_fn(&i2c,0x03);
if (reg_data == 0xff) pc.printf(" |\033[%dm Register read might not be sucessfull \033[%dm ",45,40);
- if (reg_data == 0x11) pc.printf("\n\n\r\t\033[%dm EasyFuse empty \033[%dm",44,40); //no change at address 0x02 & 0x03
+ if (reg_data == 0x11) pc.printf("\n\n\r\t\033[%dm EasyFuse empty \033[%dm",44,40); //NVM load will be successful only when NVM is not empty
else {
pc.printf("\n\n\r\t\033[%dm EasyFuse not empty \033[%dm",45,40);
pc.printf("\n\n\r\t Better to abort the test.. :(");
@@ -383,18 +390,20 @@
pc.printf("\n\n\r\tAborting.. :(");
return;
}
- pc.printf("\n\n\r\tEnabled 'fc_enable' & driver1. Monitor the oscillator at the output of comparator");
- i2c_write_fn(&i2c,0x0c,0x22);
+
+ i2c_write_fn(&i2c,0x17,0x01); //internal clock is muxed out through DATA2_CLK
+ pc.printf("\n\n\r\tMonitor Clock at DATA2_CLK pin");
+
osc_trim:
i2c_write_fn(&i2c,0x02,high_time_prog); //Recommended clocks period
i2c_write_fn(&i2c,0x03,low_time_prog); // for programming is 10us
wait_ms(1);
pc.printf("\n\n\n\r\t\033[%dm", 44);//change backround to blue
- pc.printf("Please check if Oscillator period is approx 10us (9.4us to 10.4us) \033[%dm\n\n\r\tPress 'y' to continue; Press 'm' to modify clock trim settings : ",40);
+ pc.printf("Please check if Oscillator period is approx 10us (9.5us to 10.5us) \033[%dm\n\n\r\tPress 'y' to continue; Press 'm' to modify clock trim settings : ",40);
temp = 0;
- while ( temp!='y' && temp!='m' && temp!='m' ) {
+ while ( temp!='y' && temp!='m' && temp!='n' ) {
temp = pc.getc();
}
if (temp == 'n') {
@@ -403,6 +412,7 @@
}
if (temp == 'm') {
pc.printf("\n\n\n\n\r\tCurrent high_time trim = 0x%2.2X & low_time trim = 0x%2.2X",high_time_prog,low_time_prog);
+ pc.printf("\n\n\r\tSuggestion - Change high_trim first then low_trim");
flag1 = 0;
while (!flag1) {
pc.printf("\n\n\r\tEnter new high_time trim in hex (00 to ff): 0x");
@@ -418,43 +428,62 @@
pc.printf("\n\n\r\tProgramming new high_time trim = 0x%2.2X & new low_time trim = 0x%2.2X",high_time_prog,low_time_prog);
goto osc_trim;
}
-
- pc.printf("\n\n\r\tDisabled 'fc_enable' & driver1.");
- i2c_write_fn(&i2c,0x0c,0x00);
+ i2c_write_fn(&i2c,0x17,0x00); //DATA2_CLK pulled to GND
+ i2c_write_fn(&i2c,0x10,0x04); //tm_ProgSamp_en = 1, needed to disable pull-up device between VINA & PROG
+ pc.printf("\n\n\r\tDATA2_CLK pulled low");
wait_ms(delay2);
pc.printf("\n\n\n\r\tAll set to program the EasyFuse, time to blow up some ploy fuses! ..**BOOOM**\n\n\r");
+
+ temp = 0;
+ pc.printf("\n\n\n\r\tConnect PROG to 4.5V & VINA to 5V and press 'c' to continue");
+ while ( temp!='c') {
+ temp = pc.getc();
+ }
i2c_write_fn(&i2c,NVM_CTLR_ADR,NVM_PWR_ON); //turn ON supply to EasyFuse
wait_ms(100);
- i2c_write_fn(&i2c,NVM_CTLR_ADR,NVM_RESET); //turn ON supply to EasyFuse & RESETN = 1
+ i2c_write_fn(&i2c,NVM_CTLR_ADR,(NVM_RESET + NVM_PWR_ON)); //turn ON supply to EasyFuse & RESETN = 1
wait_ms(1);
i2c_write_fn(&i2c,NVM_CTLR_ADR,NVM_PWR_ON); //RESETN = 0, Prog mode enabled: CKL1 = 0 during RESETN = 0,
- temp = 0;
- pc.printf("\n\n\n\r\tConnect PROG to 5V and press 'c' to continue");
- while ( temp!='c') {
- temp = pc.getc();
- }
+
+ pc.printf("\n\n\n\r\t");
wait_us(delay2);
- i2c_write_fn(&i2c,NVM_CTLR_ADR,NVM_RESET); //RESETN = 1,
+ i2c_write_fn(&i2c,NVM_CTLR_ADR,(NVM_RESET + NVM_PWR_ON)); //RESETN = 1
wait_us(delay2);
for ( i = 0; i < 64; i = i+1) {
- temp = NVM_RESET + (((NVM_data>>i) & 0x01)?(NVM_PWE1):0); //NVM_PWE1 if NVM_data[i]=1 & CLK1 de-asserted
+ if ( ((NVM_data>>i) & 0x0000000000000001) == 1 ) {
+ temp = NVM_PWE1;
+ pc.printf("1");
+ }
+ else {
+ temp = 0x00;
+ pc.printf("0");
+ }
+ temp = (temp | NVM_RESET | NVM_PWR_ON); //NVM_PWE1 if NVM_data[i]=1 & CLK1 de-asserted
+ //pc.printf("\n\n\n\n\r\ttemp = 0x%2.2X",temp);
i2c_write_fn(&i2c,NVM_CTLR_ADR,temp);
- wait_us(delay2);
- temp = NVM_RESET;
+ //wait_us(delay2);
+ temp = (NVM_RESET | NVM_PWR_ON);
i2c_write_fn(&i2c,NVM_CTLR_ADR,temp); //de-assert NVM_PWE1
wait_us(delay2);
- temp = NVM_RESET + NVM_CLK1;
+ temp = (NVM_RESET | NVM_CLK1 | NVM_PWR_ON);
i2c_write_fn(&i2c,NVM_CTLR_ADR,temp); //assert CLK1
wait_us(delay2);
}
+
pc.printf("\n\n\n\r\t\a\033[%dm", 44);//change backround to blue
- pc.printf("Finished programming. Let us confirm if the NVM has been programmed correctly by reading the NVM. Proceed (y/n): ");
+ //pc.printf("Finished programming. Let us confirm if the NVM has been programmed correctly by reading the NVM. Proceed (y/n): ");
+ pc.printf("Finished programming. Let us confirm if the NVM has been programmed correctly by reading the NVM.");
pc.printf("\033[%dm", 40);//change backround to black
-
- temp = 0;
- while ( temp!='y' ) {
+ pc.printf("\n\n\n\r\tReduce PROG to 4.2V & VINA to 4.2V and press 'c' to continue");
+ while ( temp!='c') {
temp = pc.getc();
- }
+ }
+ i2c_write_fn(&i2c,0x10,0x00); //tm_ProgSamp_en = 0,
+ wait_ms(1);
+ //temp = 0;
+ //while ( temp!='y' ) {
+ // temp = pc.getc();
+ //}
NVM_read_data = EasyFuse_read(&i2c);
if ( NVM_data == NVM_read_data ) pc.printf("\n\n\r\tData written into NVM matches data read from NVM\n\n\n\r\t\033[%dm NVM PROGRAMMING SUCESSFULL. Hoorayyy!\a \033[%dm\n\r",44,40);
else pc.printf("\n\n\r\tuh-oh.. Data written into NVM does not match data read from NVM\n\n\n\r\t\033[%dm NVM PROGRAMMING FAILED!\a \033[%dm\n\r",41,40);
--- a/I2C_hot_read.cpp Thu Jun 21 22:11:25 2018 +0000
+++ b/I2C_hot_read.cpp Fri May 22 19:19:45 2020 +0000
@@ -62,7 +62,7 @@
scl = 0;
wait_us(delay2);
}
- pc.printf("\n\n\n\r\tWaiting at bit position %d ..... Monitor adc_op_clk pin\n\n\r\tPress 'q' to quit hot read : ", i);
+ pc.printf("\n\n\n\r\tWaiting at bit position %d ..... Monitor DATA1_clk_pin pin\n\n\r\tPress 'q' to quit hot read : ", i);
while(temp!='q') {
temp = pc.getc();
}
@@ -106,8 +106,13 @@
flag1 = 0;
//Read Pointer to the Register that needs to be read
while (!flag1) {
- pc.printf("\n\n\r\tEnter Register Address in hex (0 to f): ");
+ pc.printf("\n\n\r\tEnter Register Address in hex (0 to 17): ");
reg_ptr = get_half_byte(&flag1);
+ if (flag1 == 1) {
+ reg_ptr = reg_ptr << 4;
+ temp = get_half_byte(&flag1);
+ reg_ptr = (reg_ptr | temp);
+ }
if (flag1==0) pc.printf(" \n\r\t\033[%dm Invalid Chracter!! No worries, let us try again \033[%dm",41,40);
}
//Read the bit at which hot read is to be performed
--- a/I2C_read.cpp Thu Jun 21 22:11:25 2018 +0000
+++ b/I2C_read.cpp Fri May 22 19:19:45 2020 +0000
@@ -4,6 +4,8 @@
extern int frequ = 50; //unit kHz
extern char dev_addr = 0x00; //fixed
+char get_byte(int *); //defined in EasyFuse_Prog.cpp
+
char get_half_byte(int *flag) {
char cur_char;
cur_char = pc.getc();
@@ -34,7 +36,7 @@
pc.printf("\n\n\n \r\tYahoooo! Lets read a Register");
//Read the number of Registers
while (!flag1) {
- pc.printf("\n\n\n\r\tEnter the number of registers to read (1 - 16) and hit 'enter' key: ");
+ pc.printf("\n\n\n\r\tEnter the number of registers to read (1 - 24) and hit 'enter' key: ");
temp = '0';
count = 0;
while (temp != '\r') { //look for enter key
@@ -45,15 +47,15 @@
break;
}
}
- if (count >= 1 && count <= 16 && temp == '\r') flag1 = 1;
+ if (count >= 1 && count <= 24 && temp == '\r') flag1 = 1;
else if (temp == '\r') pc.printf(" \n\r\t\033[%dm Invalid Chracter!! No worries, let us try again \033[%dm",41,40);
}
Re_enter:
flag1 = 0;
//Read Pointer to the Register that needs to be read
while (!flag1) {
- pc.printf("\n\n \r\tEnter Register Address in hex (0 to f): ");
- reg_ptr = get_half_byte(&flag1);
+ pc.printf("\n\n \r\tEnter Register Address in hex (0 to 17): ");
+ reg_ptr = get_byte(&flag1);
if (flag1==0) pc.printf(" \033[%dm Invalid Chracter!! No worries, let us try again \033[%dm",41,40);
}
@@ -77,14 +79,14 @@
i2c.frequency(frequ*1000);
i2c.stop(); //add a stop after hot-read
wait_us(10);
- for ( ; (count > 0) && (reg_ptr < 0x10); count = count - 1) {
+ for ( ; (count > 0) && (reg_ptr < 0x18); count = count - 1) {
i2c.start();
flag1 = i2c.write(dev_addr);
if (flag1 != 1) pc.printf("\n\n\n \r\tNo Ack for dev addr :(");
flag1 = i2c.write(reg_ptr);
if (flag1 != 1) pc.printf("\n\n \r\tNo Ack reg pointer :(");
i2c.stop();
- wait_us(10);
+ wait_us(300);
i2c.start();
flag1 = i2c.write(dev_addr | 0x01); //lsb 1 for read
if (flag1 != 1) pc.printf("\n\n \r\tNo Ack for dev addr :(");
@@ -94,7 +96,7 @@
i2c.stop();
if (reg_data == 0xff) pc.printf(" |\033[%dm Register read might not be sucessfull \033[%dm ",45,40);
reg_ptr = reg_ptr + 1;
- wait_us(120);
+ wait_us(300);
}
pc.printf("\n\n\n \r\tYeahhh! Register Read Complete\n\n\r");
i2c.~I2C();
--- a/I2C_write.cpp Thu Jun 21 22:11:25 2018 +0000
+++ b/I2C_write.cpp Fri May 22 19:19:45 2020 +0000
@@ -16,8 +16,13 @@
//Read Register Pointer
pc.printf("\n\n\n \r\tYahoooo! Lets program a Register");
while (!flag1) {
- pc.printf("\n\n\n \r\tEnter Register Address in hex (0 to f): ");
+ pc.printf("\n\n\n \r\tEnter Register Address in hex (0 to 17): ");
reg_ptr = get_half_byte(&flag1);
+ if (flag1 == 1) {
+ reg_ptr = reg_ptr << 4;
+ temp = get_half_byte(&flag1);
+ reg_ptr = (reg_ptr | temp);
+ }
if (flag1==0) pc.printf(" \033[%dm Invalid Chracter!! No worries, let us try again \033[%dm",41,40);
}
//Read Register Data
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/adc_test.cpp Fri May 22 19:19:45 2020 +0000
@@ -0,0 +1,541 @@
+#include "mbed.h"
+
+extern Serial pc;
+extern int frequ; //unit kHz
+extern char dev_addr; //fixed
+
+char get_half_byte(int *); //defined in I2C_read.cpp
+char get_byte(int *); //defined in EasyFuse_Prog.cpp
+void i2c_write_fn(I2C *, char , char );//defined in Easy Fuse Prog
+char i2c_read_fn(I2C *, char ); //defined in Easy Fuse Prog
+void read_bit(int ); // defined in I2C_hot_read
+
+void i2c_hotread_fn(I2C *i2c_obj, char ptr, int bit_position) {
+ int flag1;
+ char temp;
+ wait_us(10);
+ (*i2c_obj).start();
+ flag1 = (*i2c_obj).write(dev_addr);
+ if (flag1 != 1) pc.printf("\n\n\n\r\tNo Ack for dev addr :(");
+ flag1 = (*i2c_obj).write(ptr);
+ if (flag1 != 1) pc.printf("\n\n\r\tNo Ack reg pointer :(");
+ (*i2c_obj).stop();
+ wait_us(300);
+ pc.printf("\n\n\n\r\tPress 's' to start hot read : ");
+ while(temp!='s') {
+ temp = pc.getc();
+ }
+ //(*i2c_obj).start();
+ //flag1 = (*i2c_obj).write(dev_addr | 0x01); //lsb 1 for read
+ //if (flag1 != 1) pc.printf("\n\n\r\tNo Ack for dev addr :(");
+ read_bit(bit_position); // hot-read function
+ (*i2c_obj).stop();
+}
+
+void draw_sig_line() {
+ pc.printf("\033[%dm ", 33);//change text color to yellow
+ pc.printf("\n\n\n\n\r \304");
+ for ( int i = 0; i<80; i++) pc.printf("\304");
+ pc.printf("\033[%dm ", 32);//change text color to green
+ pc.printf("\n\n\r");
+}
+
+void get_new_val (char *reg_val06) {
+ int flag1 = 0;
+ pc.printf("\n\n\n\r\t\033[%dmChoose a Range trim from the above table (\033[%dmRecommended values are highlighted in red\033[%dm)",36,31,36);
+ while (!flag1) {
+ pc.printf("\n\n\r\tEnter new Range trim in hex (00 to ff): 0x");
+ *reg_val06 = get_byte(&flag1);
+ if ( *reg_val06 > 0x1F ) flag1 = 0; //Range trim is only 5 bits
+ if (flag1 == 0) pc.printf(" \033[%dm Invalid Chracter!! No worries, let us try again \033[%dm",41,40);
+ }
+ pc.printf("\033[%dm",32);
+}
+
+void adc_meas (I2C *i2c_obj, char count, char lsb) {
+ char adc_op;
+ int voc;
+ char temp;
+
+ voc = lsb * count;
+
+ temp = 0;
+ pc.printf("\n\n\n\r\t\033[%dmSet Voc = %d mV (%d mV x %d). Press 'c' to continue: \033[%dm", 36, voc, lsb, count, 32);
+ while ( temp!='c') {
+ temp = pc.getc();
+ }
+ i2c_write_fn(i2c_obj,0x14,count - 2); //Writing starting value in ADC
+ wait_ms(5);
+ i2c_write_fn(i2c_obj,0x0D,0x03); //tm_adc_en = tm_adc_go = 1; start conversion
+ wait_ms(20); //to make sure conversion is complete
+ adc_op = i2c_read_fn(i2c_obj,0x14);
+ pc.printf("\n\n\n\r\t\033[%dmadc_op%d_%dmv = 0x%2.2X\033[%dm", 45, count, lsb, adc_op, 40);//displaying in Magenta background
+ return;
+}
+
+
+void adc_test() {
+
+ I2C i2c(p9,p10);
+ char temp;
+ char reg_val06;
+ char reg_val06_max = 0x1F; //for debug, change to 0x1F
+ char reg_val05;
+ char reg_val05_strt;
+ char reg_val04;
+ char reg_val07;
+ char adc_op31[32];
+ char adc_op223[32];
+ char d_adc_op192[32] = {0x00};
+ char adc_op8 = 0x07;
+ char adc_op8_old;
+ char adc_op8_disp[32];
+ char d_adc_op = 0x00;
+ char d_adc_op_old = 0x00;
+ int i = 0;
+ int x = 0;
+
+ i2c.frequency((frequ/2)*1000);
+ LPC_PINCON->PINMODE_OD0 = (LPC_PINCON->PINMODE_OD0 | 0x0003); // To make p9 & P10 open_drain
+ i2c.stop(); //add a stop after hot-read
+
+ pc.printf("\033[%dm ", 31);//change text color to red
+ pc.printf("\n\n\n\r\tStarting adc test \n\r\t");
+ for ( i = 0; i<18; i++) pc.printf("\334");
+ pc.printf("\n\n\r\033[%dm", 32);//change text color to blue
+
+ i2c_write_fn(&i2c,0x17,0x03); //dmux op = adc_conversion. DATA2_CLK will be high when adc conversion is ongoing
+
+ pc.printf("\033[%dm", 34);//change text color to blue
+ pc.printf("\n\n\n\r\tConditions: \n\r\t");
+ for ( i = 0; i<13; i++) pc.printf("\304");
+ pc.printf("\n\n\r\t 1. ASIC in test-mode ");
+ pc.printf("\n\n\r\t 2. Short input Rin (5ohms) resistor ");
+ pc.printf("\n\n\r\t 3. Please Monitor DATA2_CLK on oscilloscope. DATA2_CLK = 'adc_conversion'");
+ pc.printf("\n\n\r\t 4. Positive input polarity");
+ pc.printf("\033[%dm ", 32);//change text color to green
+ temp = 0;
+ pc.printf("\n\n\n\r\t\033[%dmPress 'c' to continue: \033[%dm",36,32);
+ while ( temp!='c') {
+ temp = pc.getc();
+ }
+ i2c_write_fn(&i2c,0x0F,0x00); //Disabling Flyback
+
+ //reg_val06 = i2c_read_fn(&i2c,0x06); //reading the initial range trim
+ i2c_write_fn(&i2c,0x0D,0x01); //tm_adc_en = 1
+
+ draw_sig_line();
+
+ //*****************************************************************
+ //****** ADC Range trim test
+ //*****************************************************************
+
+ pc.printf("\033[%dm ", 31);//change text color to red
+ pc.printf("\n\n\n\r\tStarting Range trim \n\r\t");
+ for ( i = 0; i<19; i++) pc.printf("\315");
+ pc.printf("\033[%dm ", 32);//change text color to green
+
+ temp = 0;
+ pc.printf("\n\n\n\r\t\033[%dmSet Voc = 63mV (2mV x 31.5). Press 'c' to continue: \033[%dm",36,32);
+ while ( temp!='c') {
+ temp = pc.getc();
+ }
+ //Making sure input polarity detector outputs are correct.
+ i2c_write_fn(&i2c,0x10,0x10); //tm_PolComp_en = 1
+ wait_ms(1);
+ i2c_write_fn(&i2c,0x10,0x00); //tm_PolComp_en = 0
+ pc.printf("\n\n\r\tFinding ADC outputs for all adc range with input = 63mV");
+ //Finding ADC outputs for all adc range with input = 63mV
+
+ for ( reg_val06 = 0x00; reg_val06 <= reg_val06_max; reg_val06 = (reg_val06 + 1)) {
+
+ i2c_write_fn(&i2c,0x06,reg_val06);
+
+ //Write initial value into ADC register
+ if ( reg_val06 == 0x00 ) i2c_write_fn(&i2c,0x14,0x64); //starting value = 100. ADC reading will reduce as range trim increases
+ else i2c_write_fn(&i2c,0x14,adc_op31[(reg_val06 - 1)]); //starting with previous measurement value
+
+ wait_ms(5);
+ i2c_write_fn(&i2c,0x0D,0x03); //tm_adc_en = tm_adc_go = 1; start conversion
+ wait_ms(20); //to make sure conversion is complete
+ adc_op31[reg_val06] = i2c_read_fn(&i2c,0x14);
+ pc.printf(".");
+ }
+
+ temp = 0;
+ pc.printf("\n\n\n\r\t\033[%dmSet Voc = 447mV (2mV x 223.5). Press 'c' to continue: \033[%dm",36,32);
+ while ( temp!='c') {
+ temp = pc.getc();
+ }
+ pc.printf("\n\n\r\tFinding ADC outputs for all adc range with input = 447mV");
+ for ( reg_val06 = 0x00; reg_val06 <= reg_val06_max; reg_val06 = (reg_val06 + 1)) {
+
+ i2c_write_fn(&i2c,0x06,reg_val06);
+
+ //Write initial value into ADC register
+ if ( reg_val06 == 0x00 ) i2c_write_fn(&i2c,0x14,0x64); //starting value = 100. ADC reading will reduce as range trim increases
+ else i2c_write_fn(&i2c,0x14,adc_op223[(reg_val06 - 1)]); //starting with previous measurement value
+
+ wait_ms(5);
+ i2c_write_fn(&i2c,0x0D,0x03); //tm_adc_en = tm_adc_go = 1; start conversion
+ wait_ms(20); //to make sure conversion is complete
+ adc_op223[reg_val06] = i2c_read_fn(&i2c,0x14);
+ d_adc_op192[reg_val06] = adc_op223[reg_val06] - adc_op31[reg_val06];
+ pc.printf(".");
+ }
+ //Printing results
+ pc.printf("\n\n\n\r\t\332");
+ for ( i = 0; i < 4; i++ ) {
+ for ( x = 0; x < 23; x++ ) pc.printf("\304");
+ pc.printf("\302");
+ }
+
+ pc.printf("\n\r\t\263\t\033[%dmRange Trim\033[%dm\t\263\t\033[%dmadc_op31\033[%dm\t\263\t\033[%dmadc_op223\033[%dm\t\263\t\033[%dmdelta_adc_op\033[%dm\t\263",34,32,34,32,34,32,34,32);
+
+ //d_adc_op192[3] = 0xC0; //added for debug. Remove!
+
+ for ( reg_val06 = 0x00; reg_val06 <= reg_val06_max; reg_val06 = (reg_val06 + 1)) {
+
+ pc.printf("\n\r\t\303");
+ for ( i = 0; i < 4; i++ ) {
+ for ( x = 0; x < 23; x++ ) pc.printf("\304");
+ if ( i < 3) pc.printf("\305");
+ else pc.printf("\264");
+ }
+ if ( (d_adc_op192[reg_val06] > 0xBE) && (d_adc_op192[reg_val06] < 0xC2))
+ pc.printf("\n\r\t\263\t\033[%dm 0x%2.2X\t\t\263\t 0x%2.2X\t\t\263\t 0x%2.2X\t\t\263\t 0x%2.2X\033[%dm\t\263", 31, reg_val06, adc_op31[reg_val06], adc_op223[reg_val06], d_adc_op192[reg_val06], 32);
+ else
+ pc.printf("\n\r\t\263\t 0x%2.2X\t\t\263\t 0x%2.2X\t\t\263\t 0x%2.2X\t\t\263\t 0x%2.2X\t\263", reg_val06, adc_op31[reg_val06], adc_op223[reg_val06], d_adc_op192[reg_val06]);
+ }
+
+ pc.printf("\n\r\t\300");
+ for ( i = 0; i < 4; i++ ) {
+ for ( x = 0; x < 23; x++ ) pc.printf("\304");
+ if ( i < 3) pc.printf("\301");
+ else pc.printf("\331");
+ }
+
+ get_new_val(®_val06);
+ i2c_write_fn(&i2c,0x06,reg_val06);
+
+
+ pc.printf("\n\n\n\r\t\033[%dmFinal Range trim = 0x%2.2X\033[%dm ", 45, reg_val06, 40);
+
+ pc.printf("\n\n\n\r\t\033[%dmDo you want to continue with offset trim. Press ",36);
+ pc.printf("\n\n\r\t 'c' - Continue ");
+ pc.printf("\n\n\r\t 'e' - Exit ");
+ pc.printf("\n\n\n\r\tYour Selection : \033[%dm",32);
+ temp = 0;
+ while ( temp!='c' && temp!='e') {
+ temp = pc.getc();
+ }
+ if (temp == 'e') return;
+
+ //*****************************************************************
+ //****** ADC Offset trim test
+ //*****************************************************************
+
+
+ draw_sig_line();
+
+ pc.printf("\033[%dm ", 31);//change text color to red
+ pc.printf("\n\n\n\n\r\tStarting Offset trim \n\r\t");
+ for ( i = 0; i<19; i++) pc.printf("\315");
+ pc.printf("\033[%dm ", 32);//change text color to green
+
+ temp = 0;
+ pc.printf("\n\n\n\r\t\033[%dmSet Voc = 16mV (2mV x 8). Press 'c' to continue: \033[%dm",36,32);
+ while ( temp!='c') {
+ temp = pc.getc();
+ }
+ // determine trim direction
+
+ i2c_write_fn(&i2c,0x14,adc_op8); //Writing starting value in ADC
+ pc.printf("\n\n\r\tAbout to start ADC conversion. 0 -> 1 -> 0 transition should be seen on DATA2_CLK");
+ wait_ms(5);
+ i2c_write_fn(&i2c,0x0D,0x03); //tm_adc_en = tm_adc_go = 1; start conversion
+ wait_ms(20); //to make sure conversion is complete
+ adc_op8 = i2c_read_fn(&i2c,0x14);
+ pc.printf("\n\n\r\tadc_op8 = 0x%2.2X ",adc_op8);
+
+ temp = 0;
+ if (adc_op8 == 0x08) {
+ temp = 1; // no trimming procedure
+ pc.printf("\n\n\r\tNo Trimming Required. Woohoo");
+ reg_val05 = i2c_read_fn(&i2c,0x05);
+ adc_op8_disp[reg_val05] = adc_op8; // for displaying
+ }
+
+
+ adc_op8_old = adc_op8; //storing previous value in case the trim loop is not entered
+
+
+ if (adc_op8_old < 0x08) {
+ pc.printf("\n\n\r\tadc_op08 < 0x08; need to perform positive trim");
+ reg_val05 = 0x10;
+ adc_op8 = 0x10;//decimal 16. Set for proper function of the trim procedure
+ }
+
+ if (adc_op8_old > 0x08) {
+ pc.printf("\n\n\r\tadc_op08 > 0x08; need to perform negative trim");
+ reg_val05 = 0x00;
+ //adc_op8 = 0x00;
+ }
+
+ reg_val05_strt = reg_val05; //storing the starting value
+
+ //Start trim
+
+ while (temp != 1) {
+ i2c_write_fn(&i2c,0x05,reg_val05); //programming offset trim
+ adc_op8_old = adc_op8; //storing previous value
+ i2c_write_fn(&i2c,0x14,adc_op8); //Writing starting value in ADC
+ wait_ms(5);
+ i2c_write_fn(&i2c,0x0D,0x03); //tm_adc_en = tm_adc_go = 1; start conversion
+ wait_ms(20); //to make sure conversion is complete
+ adc_op8 = i2c_read_fn(&i2c,0x14);
+ adc_op8_disp[reg_val05] = adc_op8; // for displaying
+
+ if ((adc_op8 == 0x08) || ((adc_op8 > 0x08) && (adc_op8_old < 0x08)) || ((adc_op8 < 0x08) && (adc_op8_old > 0x08))) {
+ // pc.printf("\n\n\r\tI'm exiting.");
+ // pc.printf("\n\r\t\t\263\t adc_op8 = 0x%2.2X\t\t\263\t adc_op8_old = 0x%2.2X\t\t\263 ", adc_op8, adc_op8_old);
+ break; // exit loop
+ }
+ if ((reg_val05 == 0x0F) || (reg_val05 == 0x1F)) {
+ pc.printf("\n\n\r\tTest Failed.");
+ break; // exit loop
+ }
+ reg_val05 = reg_val05 + 0x01;
+ // pc.printf("\n\r\t\t\263\t reg_val05 = 0x%2.2X\t\t\263\t adc_op8 = 0x%2.2X\t\t\263 ", reg_val05, adc_op8);
+
+ }
+ //Printing Result table
+
+ pc.printf("\n\n\n\r\t\t\332");
+ for ( i = 0; i < 2; i++ ) {
+ for ( x = 0; x < 23; x++ ) pc.printf("\304");
+ pc.printf("\302");
+ }
+ pc.printf("\n\r\t\t\263\t\033[%dmOffset Trim\033[%dm\t\263\t\033[%dmadc_op8\033[%dm\t\t\263", 34, 32, 34, 32);
+ for ( temp = reg_val05_strt; temp <= reg_val05; temp = (temp + 1) ) {
+
+ pc.printf("\n\r\t\t\303");
+ for ( i = 0; i < 2; i++ ) {
+ for ( x = 0; x < 23; x++ ) pc.printf("\304");
+ if ( i < 1) pc.printf("\305");
+ else pc.printf("\264");
+ }
+ pc.printf("\n\r\t\t\263\t 0x%2.2X\t\t\263\t 0x%2.2X\t\t\263 ", temp, adc_op8_disp[temp]);
+ }
+
+ pc.printf("\n\r\t\t\300");
+ for ( i = 0; i < 2; i++ ) {
+ for ( x = 0; x < 23; x++ ) pc.printf("\304");
+ if ( i < 1) pc.printf("\301");
+ else pc.printf("\331");
+ }
+
+ if (adc_op8 > 0x08) d_adc_op = adc_op8 - 0x08;
+ else d_adc_op = 0x08 - adc_op8;
+
+ if (adc_op8_old > 0x08) d_adc_op_old = adc_op8_old - 0x08;
+ else d_adc_op_old = 0x08 - adc_op8_old;
+
+ if (d_adc_op > d_adc_op_old) {
+ reg_val05 = reg_val05 - 0x01;
+ i2c_write_fn(&i2c,0x05,reg_val05); //programming offset trim
+ }
+ pc.printf("\n\n\n\r\t\033[%dmFinal Offset trim = 0x%2.2X\033[%dm", 45, reg_val05, 40);//displaying in Magenta background
+
+ pc.printf("\n\n\n\r\t\033[%dmDo you want to continue with rest of the adc test. Press ",36);
+ pc.printf("\n\n\r\t 'c' - Continue ");
+ pc.printf("\n\n\r\t 'e' - Exit ");
+ pc.printf("\n\n\n\r\tYour Selection : \033[%dm",32);
+ temp = 0;
+ while ( temp!='c' && temp!='e') {
+ temp = pc.getc();
+ }
+ if (temp == 'e') return;
+ draw_sig_line();
+
+ //*****************************************************************
+ //****** measuring adc outputs different inputs
+ //*****************************************************************
+
+ pc.printf("\033[%dm ", 31);//change text color to red
+ pc.printf("\n\n\n\n\r\tMeasure ADC output for different inputs \n\r\t");
+ for ( i = 0; i<39; i++) pc.printf("\315");
+ pc.printf("\033[%dm ", 32);//change text color to green
+
+ adc_meas(&i2c,16,2); //adc measurement for 16 x 2mV
+ adc_meas(&i2c,24,2);
+ adc_meas(&i2c,32,2);
+ adc_meas(&i2c,64,2);
+ adc_meas(&i2c,97,2);
+ adc_meas(&i2c,128,2);
+ adc_meas(&i2c,196,2);
+ adc_meas(&i2c,250,2);
+
+ pc.printf("\n\n\n\r\t\033[%dmDo you want to continue with rest of the adc test. Press ",36);
+ pc.printf("\n\n\r\t 'c' - Continue ");
+ pc.printf("\n\n\r\t 'e' - Exit ");
+ pc.printf("\n\n\n\r\tYour Selection : \033[%dm",32);
+ temp = 0;
+ while ( temp!='c' && temp!='e') {
+ temp = pc.getc();
+ }
+ if (temp == 'e') return;
+ draw_sig_line();
+
+ //*****************************************************************
+ //****** measuring adc outputs different Range Settings
+ //*****************************************************************
+
+ pc.printf("\033[%dm ", 31);//change text color to red
+ pc.printf("\n\n\n\n\r\tMeasure ADC output for different range settings \n\r\t");
+ for ( i = 0; i<47; i++) pc.printf("\315");
+ pc.printf("\033[%dm ", 32);//change text color to green
+
+ reg_val04 = i2c_read_fn(&i2c,0x04); //Bits [3:2] of 0x04 contains range settings
+
+ i2c_write_fn(&i2c,0x04,(reg_val04 & 0xF3)); //Range = 00 => 1mV
+ adc_meas(&i2c,128,1); //adc measurement for 16 x 2mV
+
+ i2c_write_fn(&i2c,0x04,(reg_val04 | 0x0C)); //Range = 11 => 4mV
+ adc_meas(&i2c,32,4); //adc measurement for 32 x 4mV
+
+ i2c_write_fn(&i2c,0x04,reg_val04); //Setting back the original value
+
+ pc.printf("\n\n\n\r\t\033[%dmDo you want to continue with rest of the adc test. Press ",36);
+ pc.printf("\n\n\r\t 'c' - Continue ");
+ pc.printf("\n\n\r\t 'e' - Exit ");
+ pc.printf("\n\n\n\r\tYour Selection : \033[%dm",32);
+ temp = 0;
+ while ( temp!='c' && temp!='e') {
+ temp = pc.getc();
+ }
+ if (temp == 'e') return;
+ draw_sig_line();
+
+ //*****************************************************************
+ //****** measuring adc outputs for negative inputs
+ //*****************************************************************
+
+ pc.printf("\033[%dm ", 31);//change text color to red
+ pc.printf("\n\n\n\n\r\tMeasure ADC output for negative inputs \n\r\t");
+ for ( i = 0; i<39; i++) pc.printf("\315");
+ pc.printf("\033[%dm ", 32);//change text color to green
+
+ pc.printf("\033[%dm", 34);//change text color to blue
+ pc.printf("\n\n\n\r\tInstructions: \n\r\t");
+ for ( i = 0; i<13; i++) pc.printf("\304");
+ pc.printf("\n\n\r\t 1. Set Voc = 0. Wait for a second ");
+ pc.printf("\n\n\r\t 2. Change the input connnection such that the input is negative ");
+ pc.printf("\n\n\r\t 3. Increase Voc to 450mV");
+ pc.printf("\033[%dm ", 32);//change text color to green
+ temp = 0;
+ pc.printf("\n\n\n\r\t\033[%dmPress 'c' to continue: \033[%dm",36,32);
+ while ( temp!='c') {
+ temp = pc.getc();
+ }
+ //Making sure input polarity detector outputs are correct.
+ i2c_write_fn(&i2c,0x10,0x10); //tm_PolComp_en = 1
+ pc.printf("\n\n\n\r\tPolarity comparitor was enabled to have correct outputs (vinB_high = 1)");
+ wait_ms(1);
+ i2c_write_fn(&i2c,0x10,0x00); //tm_PolComp_en = 0
+ pc.printf("\n\n\r\tPolarity comparitor disabled");
+ adc_meas(&i2c,16,2); //adc measurement for 16 x 2mV
+ adc_meas(&i2c,128,2);
+ adc_meas(&i2c,250,2);
+
+ pc.printf("\n\n\n\r\t\033[%dmDo you want to continue to ADC ACP mode test. Press ",36);
+ pc.printf("\n\n\r\t 'c' - Continue ");
+ pc.printf("\n\n\r\t 'e' - Exit ");
+ pc.printf("\n\n\n\r\tYour Selection : \033[%dm",32);
+ temp = 0;
+ while ( temp!='c' && temp!='e') {
+ temp = pc.getc();
+ }
+ if (temp == 'e') return;
+ draw_sig_line();
+
+ //*****************************************************************
+ //****** Verify ADC operation for ACP mode
+ //*****************************************************************
+
+ pc.printf("\033[%dm ", 31);//change text color to red
+ pc.printf("\n\n\n\n\r\tVerify ADC operation in ACP mode \n\r\t");
+ for ( i = 0; i<32; i++) pc.printf("\315");
+ pc.printf("\033[%dm ", 32);//change text color to green
+ reg_val07 = i2c_read_fn(&i2c,0x07); //reading the initial pmos off setting
+ i2c_write_fn(&i2c,0x07,(reg_val07 | 0x0F)); //PMOS_off = 4’hF → ACP mode. In this mode ADC operates as a comparator checking input against 250*lsb
+ pc.printf("\n\n\r\tCSI066a switched to ACP mode by setting PMOS_off = 4'hF");
+
+ pc.printf("\033[%dm", 34);//change text color to blue
+ pc.printf("\n\n\n\r\tInstructions: \n\r\t");
+ for ( i = 0; i<13; i++) pc.printf("\304");
+ pc.printf("\n\n\r\t 1. Set Voc to 480mV (240 x 2mV)");
+ pc.printf("\033[%dm ", 32);//change text color to green
+ temp = 0;
+ pc.printf("\n\n\n\r\t\033[%dmPress 'c' to continue: \033[%dm",36,32);
+ while ( temp!='c') {
+ temp = pc.getc();
+ }
+ pc.printf("\n\n\n\r\tPerforming hot-read on adc_comp_out (0x13[3])");
+ pc.printf("\033[%dm", 34);//change text color to blue
+ pc.printf("\n\n\n\r\tInstructions: \n\r\t");
+ for ( i = 0; i<13; i++) pc.printf("\304");
+ pc.printf("\n\n\r\t 1. Monitor DATA1_clk on oscilloscope. DATA1_clk should be low in the beginning ");
+ pc.printf("\n\n\r\t 2. Ramp Voc from 480mV --> 520mV (240lsb --> 260lsb). Stop when DATA1_CLK transitions from 0 --> 1 ");
+ pc.printf("\n\n\r\t 3. Record Voc / 2mV. Record it as\033[%dm ACP_neg_fb_dis \033[%dm", 47, 40); //background white
+ pc.printf("\033[%dm ", 32);//change text color to green
+
+ i2c_hotread_fn(&i2c,0x13,3); //Performing hot-read on [3] of 0x13
+
+ pc.printf("\033[%dm", 34);//change text color to blue
+ pc.printf("\n\n\n\r\tInstructions: \n\r\t");
+ for ( i = 0; i<13; i++) pc.printf("\304");
+ pc.printf("\n\n\r\t 1. Reduce Voc to 0V. ");
+ pc.printf("\n\n\r\t 2. Switch input connections such that input is positive");
+ pc.printf("\n\n\r\t 3. Set Voc to 480mV (240 x 2mV)");
+ pc.printf("\033[%dm ", 32);//change text color to green
+ temp = 0;
+ pc.printf("\n\n\n\r\t\033[%dmPress 'c' to continue: \033[%dm",36,32);
+ while ( temp!='c') {
+ temp = pc.getc();
+ }
+ i2c.~I2C();
+ I2C i2c2(p9,p10); //Creating new object after hot-read
+ i2c2.frequency((frequ/2)*1000);
+ LPC_PINCON->PINMODE_OD0 = (LPC_PINCON->PINMODE_OD0 | 0x0003); // To make p9 & P10 open_drain
+ i2c2.stop(); //add a stop after hot-read
+ //Making sure input polarity detector outputs are correct.
+ i2c_write_fn(&i2c2,0x10,0x10); //tm_PolComp_en = 1
+ pc.printf("\n\n\n\r\tPolarity comparitor was enabled to have correct outputs (vinB_high = 1)");
+ wait_ms(1);
+ i2c_write_fn(&i2c2,0x10,0x00); //tm_PolComp_en = 0
+ pc.printf("\n\n\r\tPolarity comparitor disabled");
+
+ pc.printf("\n\n\n\r\tPerforming hot-read on adc_comp_out (0x13[3])");
+
+ pc.printf("\033[%dm", 34);//change text color to blue
+ pc.printf("\n\n\n\r\tInstructions: \n\r\t");
+ for ( i = 0; i<13; i++) pc.printf("\304");
+ pc.printf("\n\n\r\t 1. Monitor DATA1_CLk on the oscillscope ");
+ pc.printf("\n\n\r\t 2. DATA1_CLk should be low initially");
+ pc.printf("\n\n\r\t 3. Ramp Voc from 480mV --> 520mV (240lsb --> 260lsb). Stop when DATA1_CLK transitions from 0 --> 1 ");
+ pc.printf("\n\n\r\t 4. Record Voc / 2mV. Record it as\033[%dm ACP_pos_fb_dis \033[%dm", 47, 40); //yellow background
+ pc.printf("\033[%dm ", 32);//change text color to green
+
+ i2c_hotread_fn(&i2c2,0x13,3); //Performing hot-read on [3] of 0x13
+
+ i2c2.~I2C();
+ I2C i2c3(p9,p10); //Creating new object after hot-read
+ i2c3.frequency((frequ/2)*1000);
+ LPC_PINCON->PINMODE_OD0 = (LPC_PINCON->PINMODE_OD0 | 0x0003); // To make p9 & P10 open_drain
+ i2c3.stop(); //add a stop after hot-read
+ i2c_write_fn(&i2c3,0x07,reg_val07); //Restoring Reg 0x07 value
+ pc.printf("\n\n\n\r\t\033[%dmADC Test finally done!.. Phew\033[%dm", 45, 40);//displaying in Magenta background
+
+}
+
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/csi066_rev0p2.lib Fri May 22 19:19:45 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/teams/lab_cactus/code/csi059/#3e8c16b6620c
--- a/main.cpp Thu Jun 21 22:11:25 2018 +0000
+++ b/main.cpp Fri May 22 19:19:45 2020 +0000
@@ -3,13 +3,14 @@
Serial pc(USBTX, USBRX);
const int frequ = 50; //unit kHz
const char dev_addr = 0x00; //fixed
-const char version[4] = "0.0";
+const char version[4] = "0.3";
void testmode(void);
void i2c_read(void);
void i2c_write(void);
void EasyFuse_prog(void);
void hot_read(void);
+void adc_test(void);
void clear_screen() {
int i=0;
@@ -22,11 +23,11 @@
for ( i = 0; i<46; i++) pc.printf("\304");
pc.printf("\304\302");
pc.printf("\n\r \263\t\t\t\t\t\t \263");
- pc.printf("\n\r \263 \334\334\334\t \334\334\334\t\334\334\334\t \334\334 \t\334\334\334\334\t \334\334 \263");
- pc.printf("\n\r \263 \333 \t\333 \t \333 \t\333 \333\t\333 \t\333 \333 \263");
- pc.printf("\n\r \263 \333 \t\337\337\334\334\t \333 \t\333 \333\t\337\337\337\334\t\337\334\334\333 \263");
- pc.printf("\n\r \263 \333 \t \333\t \333 \t\333 \333\t \333\t \333 \263");
- pc.printf("\n\r \263 \337\337\337\t\337\337\337 \t\337\337\337\t \337\337 \t\337\337\337 \t\337\337\337 \263");
+ pc.printf("\n\r \263 \334\334\334\t \334\334\334\t\334\334\334\t \334\334 \t \334\334 \t \334\334 \263");
+ pc.printf("\n\r \263 \333 \t\333 \t \333 \t\333 \333\t\333 \t\333 \263");
+ pc.printf("\n\r \263 \333 \t\337\337\334\334\t \333 \t\333 \333\t\333\337\337\334\t\333\337\337\334 \263");
+ pc.printf("\n\r \263 \333 \t \333\t \333 \t\333 \333\t\333 \333\t\333 \333 \263");
+ pc.printf("\n\r \263 \337\337\337\t\337\337\337 \t\337\337\337\t \337\337 \t \337\337 \t \337\337 \263");
pc.printf("\n\r \263\t\t\t\t\t\t \263\n\r \300\304");
for ( i = 0; i<46; i++) pc.printf("\304");
pc.printf("\304\331");
@@ -56,6 +57,8 @@
pc.printf("\n\r\t\263\t\t\t\t\t\t\263");
pc.printf("\n\r\t\263 Press 'h' : to Perform Hot Register Read \t\263");
pc.printf("\n\r\t\263\t\t\t\t\t\t\263");
+ pc.printf("\n\r\t\263 Press 'a' : to Perform ADC tests \t\263");
+ pc.printf("\n\r\t\263\t\t\t\t\t\t\263");
pc.printf("\n\r\t\263 Press 'c' : to clear screen \t\263");
pc.printf("\n\r\t\263\t\t\t\t\t\t\263");
pc.printf("\n\r\t\300\304");
@@ -97,7 +100,7 @@
int flag = 0;
while (flag == 0) {
current_char = pc.getc();
- if ( current_char == 't' || current_char == 'r' || current_char == 'w' || current_char == 'p' || current_char == 'c' || current_char == 'h' ) flag = 1;
+ if ( current_char == 't' || current_char == 'r' || current_char == 'w' || current_char == 'p' || current_char == 'c' || current_char == 'h' || current_char == 'a' ) flag = 1;
else {
pc.printf(" \033[%dm Invalid Chracter!! No worries, let us try again \033[%dm",41,40);
pc.printf("\n\n\r\tYour Selection : ");
@@ -152,10 +155,14 @@
clear_screen_ques();
break;
+ case 'a':
+ adc_test();
+ clear_screen_ques();
+ break;
+
case 'c':
clear_screen();
- break;
-
+ break;
}
}//end of while
}
\ No newline at end of file