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Fixed ADC (bug in index of ADC2 + DAC works as constant val)

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This commit is contained in:
Edward Emelianov 2023-01-24 16:31:12 +03:00
parent 3b3c150474
commit 8bd969e5da
4 changed files with 10 additions and 4 deletions
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2
F3:F303/ADC/Makefile
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@ -1,5 +1,5 @@
BINARY := adc BINARY := adc
PREFIX=/opt/ARM10/bin/arm-none-eabi #PREFIX=/opt/ARM10/bin/arm-none-eabi
# MCU code # MCU code
MCU := F303xb MCU := F303xb
# change this linking script depending on particular MCU model, # change this linking script depending on particular MCU model,

BIN
F3:F303/ADC/adc.bin
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8
F3:F303/ADC/adc.c
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@ -103,6 +103,11 @@ void adc_setup(){
enable the DAC ch1, disable buffer on ch1, enable the DAC ch1, disable buffer on ch1,
and select TIM6 as trigger by keeping 000 in TSEL1 */ and select TIM6 as trigger by keeping 000 in TSEL1 */
RCC->APB1ENR |= RCC_APB1ENR_DAC1EN; /* (1) */ RCC->APB1ENR |= RCC_APB1ENR_DAC1EN; /* (1) */
// DAC simple throw out constant value: output buffer disable, DAC ch1 enable
DAC->CR = DAC_CR_BOFF1 | DAC_CR_EN1;
// starting value: 1v
DAC1->DHR12R1 = 1241;
#if 0
DAC->CR |= DAC_CR_WAVE1_1 DAC->CR |= DAC_CR_WAVE1_1
| DAC_CR_MAMP1_3 | DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0 | DAC_CR_MAMP1_3 | DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0
| DAC_CR_BOFF1 | DAC_CR_TEN1 | DAC_CR_EN1; /* (2) */ | DAC_CR_BOFF1 | DAC_CR_TEN1 | DAC_CR_EN1; /* (2) */
@ -117,6 +122,7 @@ void adc_setup(){
TIM6->PSC = 1; /* (3) */ TIM6->PSC = 1; /* (3) */
TIM6->ARR = (uint16_t)24; /* (4) */ TIM6->ARR = (uint16_t)24; /* (4) */
TIM6->CR1 |= TIM_CR1_CEN; /* (5) */ TIM6->CR1 |= TIM_CR1_CEN; /* (5) */
#endif
} }
/** /**
@ -125,12 +131,12 @@ void adc_setup(){
* @return * @return
*/ */
uint16_t getADCval(int nch){ uint16_t getADCval(int nch){
int addr = nch;
register uint16_t temp; register uint16_t temp;
#define PIX_SORT(a,b) { if ((a)>(b)) PIX_SWAP((a),(b)); } #define PIX_SORT(a,b) { if ((a)>(b)) PIX_SWAP((a),(b)); }
#define PIX_SWAP(a,b) { temp=(a);(a)=(b);(b)=temp; } #define PIX_SWAP(a,b) { temp=(a);(a)=(b);(b)=temp; }
uint16_t p[9]; uint16_t p[9];
int adval = (nch >= NUMBER_OF_ADC1_CHANNELS) ? NUMBER_OF_ADC2_CHANNELS : NUMBER_OF_ADC1_CHANNELS; int adval = (nch >= NUMBER_OF_ADC1_CHANNELS) ? NUMBER_OF_ADC2_CHANNELS : NUMBER_OF_ADC1_CHANNELS;
int addr = (nch >= NUMBER_OF_ADC1_CHANNELS) ? nch - NUMBER_OF_ADC2_CHANNELS + ADC2START: nch;
for(int i = 0; i < 9; ++i, addr += adval) // first we should prepare array for optmed for(int i = 0; i < 9; ++i, addr += adval) // first we should prepare array for optmed
p[i] = ADC_array[addr]; p[i] = ADC_array[addr];
PIX_SORT(p[1], p[2]) ; PIX_SORT(p[4], p[5]) ; PIX_SORT(p[7], p[8]) ; PIX_SORT(p[1], p[2]) ; PIX_SORT(p[4], p[5]) ; PIX_SORT(p[7], p[8]) ;

4
F3:F303/ADC/version.inc
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@ -1,2 +1,2 @@
#define BUILD_NUMBER "10" #define BUILD_NUMBER "12"
#define BUILD_DATE "2023-01-23" #define BUILD_DATE "2023-01-24"