/*
* ADC conversion group.
* Mode: Continuous, 16 samples of 8 channels, SW triggered.
* Channels: IN10, IN11, IN10, IN11, IN10, IN11, Sensor, VRef.
*/
static const ADCConversionGroup adcgrpcfg2 = {
TRUE,
ADC_GRP2_NUM_CHANNELS,
adccallback,
adcerrorcallback,
0, ADC_CR2_TSVREFE, /* CR1, CR2 */
ADC_SMPR1_SMP_AN11(ADC_SAMPLE_41P5) | ADC_SMPR1_SMP_AN10(ADC_SAMPLE_41P5) |
ADC_SMPR1_SMP_SENSOR(ADC_SAMPLE_239P5) | ADC_SMPR1_SMP_VREF(ADC_SAMPLE_239P5),
0, /* SMPR2 */
ADC_SQR1_NUM_CH(ADC_GRP2_NUM_CHANNELS),
ADC_SQR2_SQ8_N(ADC_CHANNEL_SENSOR) | ADC_SQR2_SQ7_N(ADC_CHANNEL_VREFINT),
ADC_SQR3_SQ6_N(ADC_CHANNEL_IN11) | ADC_SQR3_SQ5_N(ADC_CHANNEL_IN10) |
ADC_SQR3_SQ4_N(ADC_CHANNEL_IN11) | ADC_SQR3_SQ3_N(ADC_CHANNEL_IN10) |
ADC_SQR3_SQ2_N(ADC_CHANNEL_IN11) | ADC_SQR3_SQ1_N(ADC_CHANNEL_IN10)
};
/*
* Red LEDs blinker thread, times are in milliseconds.
*/
static THD_WORKING_AREA(waThread1, 128);
static THD_FUNCTION(Thread1, arg) {
(void)arg;
chRegSetThreadName("blinker");
while (true) {
ADC_GRP2_NUM_CHANNELS,
adccallback,
adcerrorcallback,
ADC_CFGR_CONT, /* CFGR */
ADC_TR(0, 4095), /* TR1 */
{ /* SMPR[2] */
ADC_SMPR1_SMP_AN7(ADC_SMPR_SMP_19P5)
| ADC_SMPR1_SMP_AN8(ADC_SMPR_SMP_19P5),
ADC_SMPR2_SMP_AN16(ADC_SMPR_SMP_61P5)
| ADC_SMPR2_SMP_AN17(ADC_SMPR_SMP_61P5),
},
{ /* SQR[4] */
ADC_SQR1_SQ1_N(ADC_CHANNEL_IN7) | ADC_SQR1_SQ2_N(ADC_CHANNEL_IN8) |
ADC_SQR1_SQ3_N(ADC_CHANNEL_IN7) | ADC_SQR1_SQ4_N(ADC_CHANNEL_IN8),
ADC_SQR2_SQ5_N(ADC_CHANNEL_IN7) | ADC_SQR2_SQ6_N(ADC_CHANNEL_IN8) |
ADC_SQR2_SQ7_N(ADC_CHANNEL_IN16) | ADC_SQR2_SQ8_N(ADC_CHANNEL_IN17),
0,
0
}
};
/*
* Red LEDs blinker thread, times are in milliseconds.
*/
static THD_WORKING_AREA(waThread1, 128);
static THD_FUNCTION(Thread1, arg) {
(void)arg;
chRegSetThreadName("blinker");
while (true) {
palSetPad(GPIOE, GPIOE_LED10_RED);
NULL,
// Resent fields are stm32 specific. They contain ADC control registers data.
// Please, refer to ST manual RM0008.pdf to understand what we do.
// CR1 register content, set to zero for begin
0,
// CR2 register content, set to zero for begin
0,
// SMRP1 register content, channels 10, 11, 12, 13 to 71.5 cycles
0xB6D,
// SMRP2 register content, channels 0, 1, 2, 3 to 71.5 cycles
0xB6D,
// SQR1 register content. Set channel sequence length
ADC_SQR1_NUM_CH(ADC_CH_NUM),
// SQR2 register content, set to zero for begin
(ADC_SQR2_SQ7_N(ADC_CHANNEL_IN10) |
ADC_SQR2_SQ8_N(ADC_CHANNEL_IN11)),
// SQR3 register content. First 6 channels
(ADC_SQR3_SQ1_N(ADC_CHANNEL_IN0 ) |
ADC_SQR3_SQ2_N(ADC_CHANNEL_IN1 ) |
ADC_SQR3_SQ3_N(ADC_CHANNEL_IN2 ) |
ADC_SQR3_SQ4_N(ADC_CHANNEL_IN3 ) |
ADC_SQR3_SQ5_N(ADC_CHANNEL_IN12) |
ADC_SQR3_SQ6_N(ADC_CHANNEL_IN13)),
};
/*-----------------------------------------------------------------------------*/
/** @brief Initialize the ADC1 sub system */
/*-----------------------------------------------------------------------------*/
void
TRUE,
ADC_GRP2_NUM_CHANNELS,
adccallback,
adcerrorcallback,
.u.adc = {
0, /* CR1 */
ADC_CR2_SWSTART, /* CR2 */
0, /* LTR */
0, /* HTR */
{ /* SMPR[2] */
ADC_SMPR1_SMP_SENSOR(ADC_SAMPLE_239P5) | ADC_SMPR1_SMP_VREF(ADC_SAMPLE_239P5),
ADC_SMPR2_SMP_AN9(ADC_SAMPLE_41P5) | ADC_SMPR2_SMP_AN1(ADC_SAMPLE_41P5)
},
{ /* SQR[3] */
0,
ADC_SQR2_SQ8_N(ADC_CHANNEL_SENSOR) | ADC_SQR2_SQ7_N(ADC_CHANNEL_VBAT),
ADC_SQR3_SQ6_N(ADC_CHANNEL_IN9) | ADC_SQR3_SQ5_N(ADC_CHANNEL_IN1) |
ADC_SQR3_SQ4_N(ADC_CHANNEL_IN9) | ADC_SQR3_SQ3_N(ADC_CHANNEL_IN1) |
ADC_SQR3_SQ2_N(ADC_CHANNEL_IN9) | ADC_SQR3_SQ1_N(ADC_CHANNEL_IN1)
}
}
};
/*
* Red LEDs blinker thread, times are in milliseconds.
*/
static THD_WORKING_AREA(waThread1, 128);
static THD_FUNCTION(Thread1, arg) {
(void)arg;
chRegSetThreadName("blinker");
static const ADCConversionGroup adcgrpcfg1 = {FALSE, //circular buffer mode
ADC_GRP1_NUM_CHANNELS, //Number of the analog channels
NULL, //Callback function (not needed here)
0, //Error callback
0, /* CR1 */
ADC_CR2_SWSTART, /* CR2 */
ADC_SMPR1_SMP_AN10(ADC_SAMPLE_84) | ADC_SMPR1_SMP_AN11(ADC_SAMPLE_84)
| ADC_SMPR1_SMP_AN12(ADC_SAMPLE_84) | ADC_SMPR1_SMP_AN13(ADC_SAMPLE_84)
| ADC_SMPR1_SMP_AN14(ADC_SAMPLE_84) | ADC_SMPR1_SMP_AN15(ADC_SAMPLE_84), //sample times ch10-18
ADC_SMPR2_SMP_AN0(ADC_SAMPLE_84) | ADC_SMPR2_SMP_AN1(ADC_SAMPLE_84)
| ADC_SMPR2_SMP_AN2(ADC_SAMPLE_84) | ADC_SMPR2_SMP_AN3(ADC_SAMPLE_84)
| ADC_SMPR2_SMP_AN4(ADC_SAMPLE_84) | ADC_SMPR2_SMP_AN5(ADC_SAMPLE_84)
| ADC_SMPR2_SMP_AN6(ADC_SAMPLE_84) | ADC_SMPR2_SMP_AN7(ADC_SAMPLE_84)
| ADC_SMPR2_SMP_AN8(ADC_SAMPLE_84) | ADC_SMPR2_SMP_AN9(ADC_SAMPLE_84), //sample times ch0-9
ADC_SQR1_SQ13_N(ADC_CHANNEL_IN12) | ADC_SQR1_SQ14_N(ADC_CHANNEL_IN13)
| ADC_SQR1_SQ15_N(ADC_CHANNEL_IN14) | ADC_SQR1_SQ16_N(ADC_CHANNEL_IN15)
| ADC_SQR1_NUM_CH(ADC_GRP1_NUM_CHANNELS), //SQR1: Conversion group sequence 13...16 + sequence length
ADC_SQR2_SQ7_N(ADC_CHANNEL_IN6) | ADC_SQR2_SQ8_N(ADC_CHANNEL_IN7)
| ADC_SQR2_SQ9_N(ADC_CHANNEL_IN8) | ADC_SQR2_SQ10_N(ADC_CHANNEL_IN9)
| ADC_SQR2_SQ11_N(ADC_CHANNEL_IN10) | ADC_SQR2_SQ12_N(ADC_CHANNEL_IN11), //SQR2: Conversion group sequence 7...12
ADC_SQR3_SQ1_N(ADC_CHANNEL_IN0) | ADC_SQR3_SQ2_N(ADC_CHANNEL_IN1)
| ADC_SQR3_SQ3_N(ADC_CHANNEL_IN2) | ADC_SQR3_SQ4_N(ADC_CHANNEL_IN3)
| ADC_SQR3_SQ5_N(ADC_CHANNEL_IN4) | ADC_SQR3_SQ6_N(ADC_CHANNEL_IN5) //SQR3: Conversion group sequence 1...6
};
void adc_convert(void) {
adcStopConversion(&ADCD1);
adcStartConversion(&ADCD1, &adcgrpcfg1, adcvalues, ADC_GRP1_BUF_DEPTH);
}