diff options
Diffstat (limited to 'lib/chibios-contrib/testhal/STM32/STM32F4xx/FSMC_NAND/dma_storm_adc.c')
-rw-r--r-- | lib/chibios-contrib/testhal/STM32/STM32F4xx/FSMC_NAND/dma_storm_adc.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/lib/chibios-contrib/testhal/STM32/STM32F4xx/FSMC_NAND/dma_storm_adc.c b/lib/chibios-contrib/testhal/STM32/STM32F4xx/FSMC_NAND/dma_storm_adc.c new file mode 100644 index 000000000..431d95914 --- /dev/null +++ b/lib/chibios-contrib/testhal/STM32/STM32F4xx/FSMC_NAND/dma_storm_adc.c | |||
@@ -0,0 +1,110 @@ | |||
1 | /* | ||
2 | ChibiOS/RT - Copyright (C) 2014 Uladzimir Pylinsky aka barthess | ||
3 | |||
4 | Licensed under the Apache License, Version 2.0 (the "License"); | ||
5 | you may not use this file except in compliance with the License. | ||
6 | You may obtain a copy of the License at | ||
7 | |||
8 | http://www.apache.org/licenses/LICENSE-2.0 | ||
9 | |||
10 | Unless required by applicable law or agreed to in writing, software | ||
11 | distributed under the License is distributed on an "AS IS" BASIS, | ||
12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
13 | See the License for the specific language governing permissions and | ||
14 | limitations under the License. | ||
15 | */ | ||
16 | |||
17 | #include "ch.h" | ||
18 | #include "hal.h" | ||
19 | |||
20 | #define ADC_NUM_CHANNELS 6 | ||
21 | #define ADC_BUF_DEPTH 8 | ||
22 | |||
23 | /* human readable names */ | ||
24 | #define ADC_CURRENT_SENS ADC_CHANNEL_IN10 | ||
25 | #define ADC_MAIN_SUPPLY ADC_CHANNEL_IN11 | ||
26 | #define ADC_6V_SUPPLY ADC_CHANNEL_IN12 | ||
27 | #define ADC_AN33_0 ADC_CHANNEL_IN13 | ||
28 | #define ADC_AN33_1 ADC_CHANNEL_IN14 | ||
29 | #define ADC_AN33_2 ADC_CHANNEL_IN15 | ||
30 | |||
31 | #define ADC_CURRENT_SENS_OFFSET (ADC_CHANNEL_IN10 - 10) | ||
32 | #define ADC_MAIN_VOLTAGE_OFFSET (ADC_CHANNEL_IN11 - 10) | ||
33 | #define ADC_6V_OFFSET (ADC_CHANNEL_IN12 - 10) | ||
34 | #define ADC_AN33_0_OFFSET (ADC_CHANNEL_IN13 - 10) | ||
35 | #define ADC_AN33_1_OFFSET (ADC_CHANNEL_IN14 - 10) | ||
36 | #define ADC_AN33_2_OFFSET (ADC_CHANNEL_IN15 - 10) | ||
37 | |||
38 | static void adcerrorcallback(ADCDriver *adcp, adcerror_t err); | ||
39 | static void adccallback(ADCDriver *adcp, adcsample_t *buffer, size_t n); | ||
40 | |||
41 | static adcsample_t samples[ADC_NUM_CHANNELS * ADC_BUF_DEPTH]; | ||
42 | |||
43 | static uint32_t ints = 0; | ||
44 | static uint32_t errors = 0; | ||
45 | |||
46 | static const ADCConversionGroup adccg = { | ||
47 | TRUE, | ||
48 | ADC_NUM_CHANNELS, | ||
49 | adccallback, | ||
50 | adcerrorcallback, | ||
51 | 0, /* CR1 */ | ||
52 | ADC_CR2_SWSTART, /* CR2 */ | ||
53 | ADC_SMPR1_SMP_AN10(ADC_SAMPLE_3) | | ||
54 | ADC_SMPR1_SMP_AN11(ADC_SAMPLE_3) | | ||
55 | ADC_SMPR1_SMP_AN12(ADC_SAMPLE_3) | | ||
56 | ADC_SMPR1_SMP_AN13(ADC_SAMPLE_3) | | ||
57 | ADC_SMPR1_SMP_AN14(ADC_SAMPLE_3) | | ||
58 | ADC_SMPR1_SMP_AN15(ADC_SAMPLE_3), | ||
59 | 0, /* SMPR2 */ | ||
60 | 0, | ||
61 | 0, | ||
62 | ADC_SQR1_NUM_CH(ADC_NUM_CHANNELS), | ||
63 | 0, | ||
64 | ADC_SQR3_SQ6_N(ADC_AN33_2) | | ||
65 | ADC_SQR3_SQ5_N(ADC_AN33_1) | | ||
66 | ADC_SQR3_SQ4_N(ADC_AN33_0) | | ||
67 | ADC_SQR3_SQ3_N(ADC_6V_SUPPLY) | | ||
68 | ADC_SQR3_SQ2_N(ADC_MAIN_SUPPLY) | | ||
69 | ADC_SQR3_SQ1_N(ADC_CURRENT_SENS) | ||
70 | }; | ||
71 | |||
72 | static void adcerrorcallback(ADCDriver *adcp, adcerror_t err) { | ||
73 | (void)adcp; | ||
74 | (void)err; | ||
75 | |||
76 | osalSysHalt(""); | ||
77 | } | ||
78 | |||
79 | static void adccallback(ADCDriver *adcp, adcsample_t *buffer, size_t n) { | ||
80 | (void)adcp; | ||
81 | (void)buffer; | ||
82 | (void)n; | ||
83 | ints++; | ||
84 | } | ||
85 | |||
86 | /* | ||
87 | * | ||
88 | */ | ||
89 | void dma_storm_adc_start(void){ | ||
90 | ints = 0; | ||
91 | errors = 0; | ||
92 | |||
93 | /* Activates the ADC1 driver and the temperature sensor.*/ | ||
94 | adcStart(&ADCD1, NULL); | ||
95 | adcSTM32EnableTSVREFE(); | ||
96 | |||
97 | /* Starts an ADC continuous conversion.*/ | ||
98 | adcStartConversion(&ADCD1, &adccg, samples, ADC_BUF_DEPTH); | ||
99 | } | ||
100 | |||
101 | /* | ||
102 | * | ||
103 | */ | ||
104 | uint32_t dma_storm_adc_stop(void){ | ||
105 | adcStopConversion(&ADCD1); | ||
106 | adcSTM32DisableTSVREFE(); | ||
107 | adcStop(&ADCD1); | ||
108 | return ints; | ||
109 | } | ||
110 | |||