void adc_enable_single_swstart(adc_dev *dev) {
adc_init(dev);
adc_set_extsel(dev, ADC_SWSTART);
adc_set_exttrig(dev, 1);
adc_enable(dev);
adc_calibrate(dev);
}
static void adc_setup(void)
{
int i;
rcc_periph_clock_enable(RCC_ADC1);
/* Make sure the ADC doesn't run during config. */
adc_power_off(ADC1);
/* We configure everything for one single timer triggered injected conversion. */
adc_disable_scan_mode(ADC1);
adc_set_single_conversion_mode(ADC1);
/* We can only use discontinuous mode on either the regular OR injected channels, not both */
adc_disable_discontinuous_mode_regular(ADC1);
adc_enable_discontinuous_mode_injected(ADC1);
/* We want to start the injected conversion with the TIM2 TRGO */
adc_enable_external_trigger_injected(ADC1,ADC_CR2_JEXTSEL_TIM2_TRGO);
adc_set_right_aligned(ADC1);
/* We want to read the temperature sensor, so we have to enable it. */
adc_enable_temperature_sensor();
adc_set_sample_time_on_all_channels(ADC1, ADC_SMPR_SMP_28DOT5CYC);
adc_power_on(ADC1);
/* Wait for ADC starting up. */
for (i = 0; i < 800000; i++) /* Wait a bit. */
__asm__("nop");
adc_reset_calibration(ADC1);
adc_calibrate(ADC1);
}
void cmd_readadc(char *line) {
adc_init(PIN_MAP[12].adc_device); // all on ADC1
adc_set_extsel(PIN_MAP[12].adc_device, ADC_SWSTART);
adc_set_exttrig(PIN_MAP[12].adc_device, true);
adc_enable(PIN_MAP[12].adc_device);
adc_calibrate(PIN_MAP[12].adc_device);
adc_set_sample_rate(PIN_MAP[12].adc_device, ADC_SMPR_55_5);
gpio_set_mode (PIN_MAP[12].gpio_device,PIN_MAP[12].gpio_bit, GPIO_INPUT_ANALOG);
gpio_set_mode (PIN_MAP[19].gpio_device,PIN_MAP[19].gpio_bit, GPIO_INPUT_ANALOG);
gpio_set_mode (PIN_MAP[20].gpio_device,PIN_MAP[20].gpio_bit, GPIO_INPUT_ANALOG);
uint16 value1 = adc_read(PIN_MAP[12].adc_device,PIN_MAP[12].adc_channel);
uint16 value2 = adc_read(PIN_MAP[19].adc_device,PIN_MAP[19].adc_channel);
uint16 value3 = adc_read(PIN_MAP[20].adc_device,PIN_MAP[20].adc_channel);
char values[50];
sprintf(values,"PA6 ADC Read: %u\r\n",value1);
serial_write_string(values);
sprintf(values,"PC4 ADC Read: %u\r\n",value2);
serial_write_string(values);
sprintf(values,"PC5 ADC Read: %u\r\n",value3);
serial_write_string(values);
}
static void adc_setup(void)
{
gpio_set_mode(GPIOA, GPIO_MODE_INPUT, GPIO_CNF_INPUT_ANALOG, GPIO0);
gpio_set_mode(GPIOA, GPIO_MODE_INPUT, GPIO_CNF_INPUT_ANALOG, GPIO1);
/* Make sure the ADC doesn't run during config. */
adc_power_off(ADC1);
/* We configure everything for one single conversion. */
adc_disable_scan_mode(ADC1);
adc_set_single_conversion_mode(ADC1);
adc_disable_external_trigger_regular(ADC1);
adc_set_right_aligned(ADC1);
adc_set_sample_time_on_all_channels(ADC1, ADC_SMPR_SMP_28DOT5CYC);
adc_power_on(ADC1);
/* Wait for ADC starting up. */
int i;
for (i = 0; i < 800000; i++) /* Wait a bit. */
__asm__("nop");
adc_reset_calibration(ADC1);
adc_calibrate(ADC1);
}
static void adcDefaultConfig(const adc_dev* dev)
{
adc_init(dev);
adc_set_extsel(dev, ADC_SWSTART);
adc_set_exttrig(dev, 1);
adc_enable(dev);
adc_calibrate(dev);
adc_set_sample_rate(dev, ADC_SMPR_55_5);
}
void com_adc_calibrate(const ComType com, const ADCCalibrate *data) {
uint8_t port = (uint8_t)(tolower((uint8_t)data->bricklet_port) - 'a');
if(port >= BRICKLET_NUM) {
com_return_error(data, sizeof(MessageHeader), MESSAGE_ERROR_CODE_INVALID_PARAMETER, com);
logblete("Bricklet Port %d does not exist (adc calibrate)\n\r", port);
return;
}
adc_calibrate(bs[port].adc_channel);
adc_write_calibration_to_flash();
com_return_setter(com, data);
logd("ADC Calibrate (port %c)\n\r", data->bricklet_port);
}
static void adcDefaultConfig(const adc_dev *dev) {
adc_init(dev);
// ok
adc_set_extsel(dev, ADC_SWSTART);
// ok
adc_set_exttrig(dev, true);
// ok
adc_enable(dev);
// up to 1mA
adc_calibrate(dev);
// stick at 1mA
adc_set_sample_rate(dev, ADC_SMPR_55_5);
// stick at 1mA
}
static void adc_setup(void)
{
int i;
rcc_periph_clock_enable(RCC_ADC1);
/* Make sure the ADC doesn't run during config. */
adc_power_off(ADC1);
/* We configure everything for one single timer triggered injected conversion with interrupt generation. */
/* While not needed for a single channel, try out scan mode which does all channels in one sweep and
* generates the interrupt/EOC/JEOC flags set at the end of all channels, not each one.
*/
adc_enable_scan_mode(ADC1);
adc_set_single_conversion_mode(ADC1);
/* We want to start the injected conversion with the TIM2 TRGO */
adc_enable_external_trigger_injected(ADC1,ADC_CR2_JEXTSEL_TIM2_TRGO);
/* Generate the ADC1_2_IRQ */
adc_enable_eoc_interrupt_injected(ADC1);
adc_set_right_aligned(ADC1);
/* We want to read the temperature sensor, so we have to enable it. */
adc_enable_temperature_sensor();
adc_set_sample_time_on_all_channels(ADC1, ADC_SMPR_SMP_28DOT5CYC);
/* Select the channels we want to convert.
* 16=temperature_sensor, 17=Vrefint, 13=ADC1, 10=ADC2
*/
channel_array[0] = 16;
channel_array[1] = 17;
channel_array[2] = 13;
channel_array[3] = 10;
adc_set_injected_sequence(ADC1, 4, channel_array);
adc_power_on(ADC1);
/* Wait for ADC starting up. */
for (i = 0; i < 800000; i++) /* Wait a bit. */
__asm__("nop");
adc_reset_calibration(ADC1);
adc_calibrate(ADC1);
}
static void enable(void)
{
// DMA
DMA1_Channel1->CCR = 0; // Deinitialize
DMA1_Channel1->CMAR = (uint32_t)_adc1_2_dma_buffer;
DMA1_Channel1->CNDTR = sizeof(_adc1_2_dma_buffer) / 4;
DMA1_Channel1->CPAR = (uint32_t)&ADC1->DR;
DMA1_Channel1->CCR =
DMA_CCR_PL_0 | DMA_CCR_PL_1 | // Max priority
DMA_CCR_MSIZE_1 | // 32 bit
DMA_CCR_PSIZE_1 | // 32 bit
DMA_CCR_MINC |
DMA_CCR_CIRC |
DMA_CCR_EN;
// ADC enable, reset
const uint32_t enr_mask = RCC_APB2ENR_ADC1EN | RCC_APB2ENR_ADC2EN;
const uint32_t rst_mask = RCC_APB2RSTR_ADC1RST | RCC_APB2RSTR_ADC2RST;
chSysDisable();
RCC->APB2ENR |= enr_mask;
RCC->APB2RSTR |= rst_mask;
RCC->APB2RSTR &= ~rst_mask;
chSysEnable();
usleep(5); // Sequence: enable ADC, wait 2+ cycles, poweron, calibrate?
// ADC calibration
ADC1->CR2 = ADC_CR2_ADON;
adc_calibrate(ADC1);
ADC2->CR2 = ADC_CR2_ADON;
adc_calibrate(ADC2);
/*
* ADC channel sampling:
* A B C A B C VOLT
* C A B C A B CURR
*/
ADC1->SQR1 = ADC_SQR1_L_1 | ADC_SQR1_L_2;
ADC1->SQR3 =
ADC_SQR3_SQ1_0 |
ADC_SQR3_SQ2_1 |
ADC_SQR3_SQ3_0 | ADC_SQR3_SQ3_1 |
ADC_SQR3_SQ4_0 |
ADC_SQR3_SQ5_1 |
ADC_SQR3_SQ6_0 | ADC_SQR3_SQ6_1;
ADC1->SQR2 = ADC_SQR2_SQ7_2;
ADC2->SQR1 = ADC1->SQR1;
ADC2->SQR3 =
ADC_SQR3_SQ1_0 | ADC_SQR3_SQ1_1 |
ADC_SQR3_SQ2_0 |
ADC_SQR3_SQ3_1 |
ADC_SQR3_SQ4_0 | ADC_SQR3_SQ4_1 |
ADC_SQR3_SQ5_0 |
ADC_SQR3_SQ6_1;
ADC2->SQR2 = ADC_SQR2_SQ7_2 | ADC_SQR2_SQ7_0;
// SMPR registers are not configured because they have right values by default
// ADC initialization
ADC1->CR1 = ADC_CR1_DUALMOD_1 | ADC_CR1_DUALMOD_2 | ADC_CR1_SCAN | ADC_CR1_EOCIE;
ADC1->CR2 = ADC_CR2_ADON | ADC_CR2_EXTTRIG | MOTOR_ADC1_2_TRIGGER | ADC_CR2_DMA;
ADC2->CR1 = ADC_CR1_DUALMOD_1 | ADC_CR1_DUALMOD_2 | ADC_CR1_SCAN;
ADC2->CR2 = ADC_CR2_ADON | ADC_CR2_EXTTRIG | ADC_CR2_EXTSEL_0 | ADC_CR2_EXTSEL_1 | ADC_CR2_EXTSEL_2;
// ADC IRQ (only ADC1 IRQ is used because ADC2 is configured in slave mode)
chSysDisable();
nvicEnableVector(ADC1_2_IRQn, MOTOR_IRQ_PRIORITY_MASK);
chSysEnable();
}
void serial_process_command(char *line) {
if(in_displayparams) {
serial_displayparams_run(line);
in_displayparams = false;
}
if(in_setdevicetag) {
serial_setdevicetag_run(line);
in_setdevicetag = false;
}
if(in_setrtc) {
serial_setrtc_run(line);
in_setrtc = false;
}
if(in_setkeyval) {
serial_setkeyval_run(line);
in_setkeyval = false;
}
serial_write_string("\r\n");
if(strcmp(line,"HELLO") == 0) {
serial_write_string("GREETINGS PROFESSOR FALKEN.\r\n");
} else
if(strcmp(line,"LIST GAMES") == 0) {
serial_write_string("I'M KIND OF BORED OF GAMES, TURNS OUT THE ONLY WAY TO WIN IS NOT TO PLAY...\r\n");
} else
if(strcmp(line,"LOGXFER") == 0) {
serial_sendlog();
} else
if(strcmp(line,"DISPLAYPARAMS") == 0) {
serial_displayparams();
} else
if(strcmp(line,"HELP") == 0) {
serial_write_string("Available commands: HELP, LOGXFER, DISPLAYTEST, HELLO");
} else
if(strcmp(line,"DISPLAYTEST") == 0) {
display_test();
} else
if(strcmp(line,"LOGTEST") == 0) {
char stemp[100];
sprintf(stemp,"Raw log data\r\n");
serial_write_string(stemp);
uint8_t *flash_log = flashstorage_log_get();
for(int n=0;n<1024;n++) {
sprintf(stemp,"%u ",flash_log[n]);
serial_write_string(stemp);
if(n%64 == 0) serial_write_string("\r\n");
}
serial_write_string("\r\n");
log_data_t data;
data.time = 0;
data.cpm = 1;
data.accel_x_start = 2;
data.accel_y_start = 3;
data.accel_z_start = 4;
data.accel_x_end = 5;
data.accel_y_end = 6;
data.accel_z_end = 7;
data.log_type = UINT_MAX;
sprintf(stemp,"Log size: %u\r\n",flashstorage_log_size());
serial_write_string(stemp);
sprintf(stemp,"Writing test log entry of size: %u\r\n",sizeof(log_data_t));
serial_write_string(stemp);
flashstorage_log_pushback((uint8 *) &data,sizeof(log_data_t));
sprintf(stemp,"Log size: %u\r\n",flashstorage_log_size());
serial_write_string(stemp);
} else
if(strcmp(line,"VERSION") == 0) {
char stemp[50];
sprintf(stemp,"Version: %s\r\n",OS100VERSION);
serial_write_string(stemp);
} else
if(strcmp(line,"GETDEVICETAG") == 0) {
const char *devicetag = flashstorage_keyval_get("DEVICETAG");
if(devicetag != 0) {
char stemp[100];
sprintf(stemp,"Devicetag: %s\r\n",devicetag);
serial_write_string(stemp);
} else {
serial_write_string("No device tag set");
}
} else
if(strcmp(line,"SETDEVICETAG") == 0) {
serial_setdevicetag();
} else
if(strcmp(line,"READPRIVATEKEY") == 0) {
// serial_readprivatekey(); // removed for production
} else
if(strcmp(line,"WRITEPRIVATEKEY") == 0) {
// serial_writeprivatekey(); // maybe this should be removed for production?
} else
if(strcmp(line,"MAGREAD") == 0) {
gpio_set_mode (PIN_MAP[41].gpio_device,PIN_MAP[41].gpio_bit, GPIO_OUTPUT_PP); // MAGPOWER
gpio_set_mode (PIN_MAP[29].gpio_device,PIN_MAP[29].gpio_bit, GPIO_INPUT_PU); // MAGSENSE
// Power up magsense
gpio_write_bit(PIN_MAP[41].gpio_device,PIN_MAP[41].gpio_bit,1);
// wait...
delay_us(1000);
// Read magsense
int magsense = gpio_read_bit(PIN_MAP[29].gpio_device,PIN_MAP[29].gpio_bit);
char magsenses[50];
sprintf(magsenses,"%u\r\n",magsense);
serial_write_string(magsenses);
} else
if(strcmp(line,"WRITEDAC") == 0) {
dac_init(DAC,DAC_CH2);
int8_t idelta=1;
uint8_t i=0;
for(int n=0;n<1000000;n++) {
if(i == 254) idelta = -1;
if(i == 0 ) idelta = 1;
i += idelta;
dac_write_channel(DAC,2,i);
}
serial_write_string("WRITEDACFIN");
} else
if(strcmp(line,"TESTHP") == 0) {
gpio_set_mode (PIN_MAP[12].gpio_device,PIN_MAP[12].gpio_bit, GPIO_OUTPUT_PP); // HP_COMBINED
for(int n=0;n<100000;n++) {
gpio_write_bit(PIN_MAP[12].gpio_device,PIN_MAP[12].gpio_bit,1);
delay_us(100);
gpio_write_bit(PIN_MAP[12].gpio_device,PIN_MAP[12].gpio_bit,0);
delay_us(100);
}
} else
if(strcmp(line,"READADC") == 0) {
adc_init(PIN_MAP[12].adc_device); // all on ADC1
adc_set_extsel(PIN_MAP[12].adc_device, ADC_SWSTART);
adc_set_exttrig(PIN_MAP[12].adc_device, true);
adc_enable(PIN_MAP[12].adc_device);
adc_calibrate(PIN_MAP[12].adc_device);
adc_set_sample_rate(PIN_MAP[12].adc_device, ADC_SMPR_55_5);
gpio_set_mode (PIN_MAP[12].gpio_device,PIN_MAP[12].gpio_bit, GPIO_INPUT_ANALOG);
gpio_set_mode (PIN_MAP[19].gpio_device,PIN_MAP[19].gpio_bit, GPIO_INPUT_ANALOG);
gpio_set_mode (PIN_MAP[20].gpio_device,PIN_MAP[20].gpio_bit, GPIO_INPUT_ANALOG);
int n=0;
uint16 value1 = adc_read(PIN_MAP[12].adc_device,PIN_MAP[12].adc_channel);
uint16 value2 = adc_read(PIN_MAP[19].adc_device,PIN_MAP[19].adc_channel);
uint16 value3 = adc_read(PIN_MAP[20].adc_device,PIN_MAP[20].adc_channel);
char values[50];
sprintf(values,"PA6 ADC Read: %u\r\n",value1);
serial_write_string(values);
sprintf(values,"PC4 ADC Read: %u\r\n",value2);
serial_write_string(values);
sprintf(values,"PC5 ADC Read: %u\r\n",value3);
serial_write_string(values);
} else
if(strcmp(line,"SETMICREVERSE") == 0) {
gpio_set_mode (PIN_MAP[36].gpio_device,PIN_MAP[36].gpio_bit, GPIO_OUTPUT_PP); // MICREVERSE
gpio_set_mode (PIN_MAP[35].gpio_device,PIN_MAP[35].gpio_bit, GPIO_OUTPUT_PP); // MICIPHONE
gpio_write_bit(PIN_MAP[36].gpio_device,PIN_MAP[36].gpio_bit,1); // MICREVERSE
gpio_write_bit(PIN_MAP[35].gpio_device,PIN_MAP[35].gpio_bit,0); // MICIPHONE
serial_write_string("Set MICREVERSE to 1, MICIPHONE to 0\r\n");
} else
if(strcmp(line,"SETMICIPHONE") == 0) {
gpio_set_mode (PIN_MAP[36].gpio_device,PIN_MAP[36].gpio_bit, GPIO_OUTPUT_PP); // MICREVERSE
gpio_set_mode (PIN_MAP[35].gpio_device,PIN_MAP[35].gpio_bit, GPIO_OUTPUT_PP); // MICIPHONE
gpio_write_bit(PIN_MAP[36].gpio_device,PIN_MAP[36].gpio_bit,0); // MICREVERSE
gpio_write_bit(PIN_MAP[35].gpio_device,PIN_MAP[35].gpio_bit,1); // MICIPHONE
serial_write_string("Set MICREVERSE to 0, MICIPHONE to 1\r\n");
} else
if(strcmp(line,"TESTSIGN") == 0) {
serial_signing_test();
} else
if(strcmp(line,"PUBKEY") == 0) {
signing_printPubKey();
serial_write_string("\n\r");
} else
if(strcmp(line,"GUID") == 0) {
signing_printGUID();
serial_write_string("\n\r");
} else
if(strcmp(line,"KEYVALID") == 0) {
if( signing_isKeyValid() == 1 )
serial_write_string("uu_valid VALID KEY\r\n");
else
serial_write_string("uu_valid IMPROPER OR UNINITIALIZED KEY\r\n");
} else
if(strcmp(line,"LOGSIG") == 0) {
signing_hashLog();
serial_write_string("\n\r");
} else
if(strcmp(line,"LOGPAUSE") == 0) {
flashstorage_log_pause();
} else
if(strcmp(line,"LOGRESUME") == 0) {
flashstorage_log_resume();
} else
if(strcmp(line,"LOGCLEAR") == 0) {
serial_write_string("Clearing flash log\r\n");
flashstorage_log_clear();
serial_write_string("Cleared\r\n");
} else
if(strcmp(line,"KEYVALDUMP") == 0) {
serial_keyvaldump();
} else
if(strcmp(line,"KEYVALSET") == 0) {
serial_setkeyval();
} else
if(strcmp(line,"SETRTC") == 0) {
serial_setrtc();
} else
if(strcmp(line,"RTCALARM") == 0) {
serial_write_string("Alarm triggered for 10s\r\n");
rtc_set_alarm(RTC,rtc_get_time(RTC)+10);
}
serial_write_string("\r\n>");
}
int
main(int argc, char* argv[])
{
char buffer[80];
initialize();
hd44780_reset(HD44780_CMD_FUNC_SET |
HD44780_CMD_FUNC_2LINES);
hd44780_ir_write(HD44780_CMD_DISPLAY |
HD44780_CMD_DISPLAY_ON |
HD44780_CMD_DISPLAY_CURS_ON |
HD44780_CMD_DISPLAY_CURS_BLINK );
hd44780_wait_busy();
hd44780_ir_write(HD44780_CMD_EMS |
HD44780_CMD_EMS_INCR);
hd44780_wait_busy();
adc_calibrate();
adc_start();
while(1)
{
uint16_t internal_temp = adc_get_median(0),
external_temp = adc_get_median(1),
battery = adc_get_median(2),
reference = adc_get_median(3);
//trace_printf("%d %d %d\n", external_temp, internal_temp, reference);
uint32_t vdd = 3300u * *VREFINT_CAL / reference;
uint32_t internal_temp_volts = internal_temp * vdd / 0xfff,
external_temp_volts = external_temp * vdd / 0xfff,
battery_volts = battery * vdd / 0xfff;
int len = snprintf(buffer, sizeof(buffer), "%04x %04x %04x %04x",
internal_temp, external_temp, battery, reference);
//hd44780_clear_screen();
hd44780_goto_addr(0);
hd44780_puts(buffer, len);
len = snprintf(buffer, sizeof(buffer), "%ld.%03ld %ld.%03ld %ld.%03ld",
internal_temp_volts / 1000,
internal_temp_volts % 1000,
external_temp_volts / 1000,
external_temp_volts % 1000,
battery_volts / 1000,
battery_volts % 1000);
hd44780_goto_addr(64);
hd44780_puts(buffer, len);
int32_t internal_temp_celsius =
(int32_t)steinhart(internal_temp) - 273150;
int32_t external_temp_celsius =
hot_junction_temperature(internal_temp, external_temp, reference);
len = snprintf(buffer, sizeof(buffer), "%ld.%03d %ld.%05d",
internal_temp_celsius / 1000,
abs(internal_temp_celsius) % 1000,
external_temp_celsius / 100000,
abs(external_temp_celsius) % 100000);
hd44780_goto_addr(20);
hd44780_puts(buffer, len);
len = snprintf(buffer, sizeof(buffer), "%lu.%03lu",
vdd / 1000,
vdd % 1000);
hd44780_goto_addr(84);
hd44780_puts(buffer, len);
delay_1ms(1000);
}
}
void STM32ADC::calibrate() {
adc_calibrate(_dev);
}
int adcc_init(int adc_num)
{
//PORT_MemMapPtr pctl = NULL;
//uint8_t gpio_port;
/* led pin init */
if(!lwgpio_init(&pm2p5_ledgpio, PM2P5_LED_PWREN, LWGPIO_DIR_OUTPUT, LWGPIO_VALUE_NOCHANGE)) {
printf("Initializing GPIO with associated pins failed.\n");
_time_delay (200L);
_task_block();
}
lwgpio_set_functionality(&pm2p5_ledgpio, PM2P5_LED_MUX_GPIO);
//lwgpio_set_value(&pm2p5_ledgpio, LWGPIO_VALUE_LOW);
lwgpio_set_value(&pm2p5_ledgpio, LWGPIO_VALUE_HIGH);
if(adc_num == 0) {
/* SIM_SCGC6: ADC0=1 */
adc_ptr = ADC0_BASE_PTR;
SIM_SCGC6 |= SIM_SCGC6_ADC0_MASK;
}
else {
adc_ptr = ADC1_BASE_PTR;
SIM_SCGC6 |= SIM_SCGC6_ADC1_MASK;
}
#ifdef ADC_HW_TRIGER
SIM_SCGC6 |= SIM_SCGC6_PIT_MASK; /* enable PIT */
SIM_SOPT7 |= SIM_SOPT7_ADC1ALTTRGEN_MASK;
SIM_SOPT7 |= (SIM_SOPT7_ADC1PRETRGSEL_MASK); /* Pre Trigger B */
SIM_SOPT7 &= ~(SIM_SOPT7_ADC1TRGSEL_MASK);
SIM_SOPT7 |= SIM_SOPT7_ADC1TRGSEL(7); /* PIT trigger 3 */
PIT_MCR_REG(PIT_BASE_PTR) = 0;
#endif
// pin mux config : spec P216 ADC0_DP0/ADC1_DP3 is default
/* set pin's multiplexer to analog
gpio_port = ADC_SIG_PORTB | 4;
pctl = (PORT_MemMapPtr) PORTB_BASE_PTR;
pctl->PCR[gpio_port & 0x1F] &= ~PORT_PCR_MUX_MASK;
*/
// Initialize ADC0/1 =================================================================================
//averages (4 h/w) // bus 60M /8/2 = 3.75M ADC clock
ADC_CFG1_REG(adc_ptr) = ADLPC_NORMAL | ADC_CFG1_ADIV(ADIV_8) /*| ADLSMP_LONG*/ | ADC_CFG1_MODE(MODE_16)
| ADC_CFG1_ADICLK(/*ADICLK_BUS_2*/ADICLK_BUS);
// do calibration
if(adc_calibrate(adc_ptr))
printf("adc-%x calibrate failed\n",(int)adc_ptr);
/* channel A/B selected */
#ifdef ADC_HW_TRIGER
ADC_CFG2_REG(adc_ptr) = MUXSEL_ADCB | ADACKEN_ENABLED | ADHSC_HISPEED | ADC_CFG2_ADLSTS(ADLSTS_20);
#else
ADC_CFG2_REG(adc_ptr) = MUXSEL_ADCA /*| ADACKEN_ENABLED */| ADHSC_HISPEED | ADC_CFG2_ADLSTS(ADLSTS_20);
#endif
//ADC_CV1_REG(adc_ptr) = 0x0;
//ADC_CV2_REG(adc_ptr) = 0x0;
//ADC_SC1_REG(adc_ptr,0) = AIEN_ON | DIFF_SINGLE | ADC_SC1_ADCH(ADC_INPUT_CH); /* SC1 A */
//ADC_SC1_REG(adc_ptr,1) = AIEN_ON | DIFF_SINGLE | ADC_SC1_ADCH(ADC_INPUT_CH); /* SC1 B */
#ifdef ADC_HW_TRIGER
ADC_SC2_REG(adc_ptr) = ADTRG_HW /*ADTRG_SW*/ | ACFE_DISABLED | ACFGT_GREATER | ACREN_DISABLED
| DMAEN_DISABLED /* DMAEN_ENABLED*/| ADC_SC2_REFSEL(REFSEL_EXT);
#else
ADC_SC2_REG(adc_ptr) = ADTRG_SW /*| ACFE_DISABLED | ACFGT_GREATER | ACREN_DISABLED
| DMAEN_DISABLED*/ | ADC_SC2_REFSEL(REFSEL_EXT);
#endif
ADC_SC3_REG(adc_ptr) = /*ADC_SC3_CALF_MASK |*/ CAL_OFF | ADCO_SINGLE /*| AVGE_ENABLED | ADC_SC3_AVGS(AVGS_4)*/; /* averages 4 h/w */
}
