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Merge pull request #175 from iabdalkader/master 

Add missing ADC driver
This commit is contained in:
Damien George 2014-01-14 15:41:05 -08:00
parent 11cc694aa0 8c10240722
commit a04a33fee7
6 changed files with 2711 additions and 0 deletions
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2
stm/Makefile
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@ -57,6 +57,7 @@ SRC_C = \
pybwlan.c \
i2c.c \
usrsw.c \
adc.c \
SRC_S = \
startup_stm32f40xx.s \
@ -100,6 +101,7 @@ SRC_STM = \
usbd_storage_msd.c \
stm324x7i_eval.c \
stm324x7i_eval_sdio_sd.c \
stm32f4xx_adc.c \
#SRC_STM_OTG = \
# usb_hcd.c \

304
stm/adc.c Normal file
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@ -0,0 +1,304 @@
#include <stdio.h>
#include <stm32f4xx_rcc.h>
#include <stm32f4xx_gpio.h>
#include <stm32f4xx_adc.h>
#include "misc.h"
#include "mpconfig.h"
#include "obj.h"
#include "adc.h"
/* ADC defintions */
#define ADCx (ADC1)
#define ADCx_CLK (RCC_APB2Periph_ADC1)
#define ADC_NUM_CHANNELS (16)
/* Internally connected ADC channels Temp/VBAT/VREF*/
#if defined (STM32F40XX) || defined(STM32F41XX)
#define ADC_TEMP_CHANNEL (16)
#define ADC_VBAT_CHANNEL (18)
#define ADC_VREF_CHANNEL (17)
#elif defined (STM32F42XX) || defined(STM32F43XX)
#define ADC_TEMP_CHANNEL (18)
#define ADC_VBAT_CHANNEL (18) /* same channel as TEMP */
#define ADC_VREF_CHANNEL (17)
#endif
/* Core temperature sensor definitions */
#define CORE_TEMP_V25 (943) /* (0.76v/3.3v)*(2^ADC resoultion) */
#define CORE_TEMP_AVG_SLOPE (3) /* (2.5mv/3.3v)*(2^ADC resoultion) */
/* VBAT divider */
#if defined (STM32F40XX) || defined(STM32F41XX)
#define VBAT_DIV (2)
#elif defined (STM32F42XX) || defined(STM32F43XX)
#define VBAT_DIV (4)
#endif
/* GPIO struct */
typedef struct {
GPIO_TypeDef* port;
uint32_t pin;
} gpio_t;
/* ADC GPIOs */
static gpio_t adc_gpio[] = {
{GPIOA, GPIO_Pin_0}, /* ADC123_IN0 */
{GPIOA, GPIO_Pin_1}, /* ADC123_IN1 */
{GPIOA, GPIO_Pin_2}, /* ADC123_IN2 */
{GPIOA, GPIO_Pin_3}, /* ADC123_IN3 */
{GPIOA, GPIO_Pin_4}, /* ADC12_IN4 */
{GPIOA, GPIO_Pin_5}, /* ADC12_IN5 */
{GPIOA, GPIO_Pin_6}, /* ADC12_IN6 */
{GPIOA, GPIO_Pin_7}, /* ADC12_IN7 */
{GPIOB, GPIO_Pin_0}, /* ADC12_IN8 */
{GPIOB, GPIO_Pin_1}, /* ADC12_IN9 */
{GPIOC, GPIO_Pin_0}, /* ADC123_IN10 */
{GPIOC, GPIO_Pin_1}, /* ADC123_IN11 */
{GPIOC, GPIO_Pin_2}, /* ADC123_IN12 */
{GPIOC, GPIO_Pin_3}, /* ADC123_IN13 */
{GPIOC, GPIO_Pin_4}, /* ADC12_IN14 */
{GPIOC, GPIO_Pin_5}, /* ADC12_IN15 */
};
void adc_init(uint32_t resolution) {
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
/* Enable ADCx, DMA and GPIO clocks */
#if 0
/* GPIO clocks enabled in main */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA |
RCC_AHB1Periph_GPIOB |
RCC_AHB1Periph_GPIOC, ENABLE);
#endif
RCC_APB2PeriphClockCmd(ADCx_CLK, ENABLE);
/* ADC Common Init */
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
/* Configure ADC GPIOs */
for (int i=0; i<ADC_NUM_CHANNELS; i++) {
GPIO_InitStructure.GPIO_Pin = adc_gpio[i].pin;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(adc_gpio[i].port, &GPIO_InitStructure);
}
/* ADCx Init */
// ADC_DeInit();
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
ADC_Init(ADCx, &ADC_InitStructure);
/* Enable ADCx */
ADC_Cmd(ADCx, ENABLE);
/* Enable VBAT/VREF monitor */
ADC_VBATCmd(ENABLE);
/* Enable temperature sensor */
ADC_TempSensorVrefintCmd(ENABLE);
}
uint32_t adc_read_channel(int channel)
{
int timeout = 10000;
if (channel > (ADC_NUM_CHANNELS-1)) {
return 0;
}
/* ADC regular channel config ADC/Channel/SEQ Rank/Sample time */
ADC_RegularChannelConfig(ADCx, channel, 1, ADC_SampleTime_15Cycles);
/* Start ADC single conversion */
ADC_SoftwareStartConv(ADCx);
/* Wait for conversion to be complete*/
while(!ADC_GetFlagStatus(ADCx, ADC_FLAG_EOC) && --timeout >0) {
}
/* ADC conversion timed out */
if (timeout == 0) {
return 0;
}
/* Return converted data */
return ADC_GetConversionValue(ADCx);
}
int adc_read_core_temp()
{
int timeout = 10000;
/* ADC temperature sensor channel config ADC/Channel/SEQ Rank/Sample time */
/* Note: sample time must be higher than minimum sample time */
ADC_RegularChannelConfig(ADCx, ADC_TEMP_CHANNEL, 1, ADC_SampleTime_480Cycles);
/* Start ADC single conversion */
ADC_SoftwareStartConv(ADCx);
/* Wait for conversion to be complete*/
while(!ADC_GetFlagStatus(ADCx, ADC_FLAG_EOC) && --timeout >0) {
}
/* ADC conversion timed out */
if (timeout == 0) {
return 0;
}
/* Convert ADC reading to temperature */
/* Temperature formula from datasheet P.411 */
return ((ADC_GetConversionValue(ADCx) - CORE_TEMP_V25) / CORE_TEMP_AVG_SLOPE) + 25;
}
float adc_read_core_vbat()
{
int timeout = 10000;
/* ADC VBAT channel config ADC/Channel/SEQ Rank/Sample time */
/* Note: sample time must be higher than minimum sample time */
ADC_RegularChannelConfig(ADCx, ADC_VBAT_CHANNEL, 1, ADC_SampleTime_144Cycles);
/* Start ADC single conversion */
ADC_SoftwareStartConv(ADCx);
/* Wait for conversion to be complete */
while(!ADC_GetFlagStatus(ADCx, ADC_FLAG_EOC) && --timeout >0) {
}
/* ADC conversion timed out */
if (timeout == 0) {
return 0;
}
/* Convert ADC reading to voltage, VBAT pin is
internally connected to a bridge divider by VBAT_DIV */
return ADC_GetConversionValue(ADCx)*VBAT_DIV/4096.0f*3.3f;
}
float adc_read_core_vref()
{
int timeout = 10000;
/* ADC VBAT channel config ADC/Channel/SEQ Rank/Sample time */
/* Note: sample time must be higher than minimum sample time */
ADC_RegularChannelConfig(ADCx, ADC_VREF_CHANNEL, 1, ADC_SampleTime_112Cycles);
/* Start ADC single conversion */
ADC_SoftwareStartConv(ADCx);
/* Wait for conversion to be complete*/
while(!ADC_GetFlagStatus(ADCx, ADC_FLAG_EOC) && --timeout >0) {
}
/* ADC conversion timed out */
if (timeout == 0) {
return 0;
}
/* Convert ADC reading to voltage */
return ADC_GetConversionValue(ADCx)/4096.0f*3.3f;
}
/******************************************************************************/
/* Micro Python bindings */
typedef struct _pyb_adc_obj_t {
mp_obj_base_t base;
int adc_id;
bool is_enabled;
} pyb_adc_obj_t;
static mp_obj_t adc_obj_read_channel(mp_obj_t self_in, mp_obj_t channel) {
mp_obj_t ret = mp_const_none;
pyb_adc_obj_t *self = self_in;
if (self->is_enabled) {
uint32_t chan = mp_obj_get_int(channel);
uint32_t data = adc_read_channel(chan);
ret = mp_obj_new_int(data);
}
return ret;
}
static mp_obj_t adc_obj_read_core_temp(mp_obj_t self_in) {
mp_obj_t ret = mp_const_none;
pyb_adc_obj_t *self = self_in;
if (self->is_enabled) {
int data = adc_read_core_temp();
ret = mp_obj_new_int(data);
}
return ret;
}
static mp_obj_t adc_obj_read_core_vbat(mp_obj_t self_in) {
mp_obj_t ret = mp_const_none;
pyb_adc_obj_t *self = self_in;
if (self->is_enabled) {
float data = adc_read_core_vbat();
ret = mp_obj_new_float(data);
}
return ret;
}
static mp_obj_t adc_obj_read_core_vref(mp_obj_t self_in) {
mp_obj_t ret = mp_const_none;
pyb_adc_obj_t *self = self_in;
if (self->is_enabled) {
float data = adc_read_core_vref();
ret = mp_obj_new_float(data);
}
return ret;
}
static void adc_obj_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in) {
pyb_adc_obj_t *self = self_in;
print(env, "<ADC %lu>", self->adc_id);
}
static MP_DEFINE_CONST_FUN_OBJ_2(adc_obj_read_channel_obj, adc_obj_read_channel);
static MP_DEFINE_CONST_FUN_OBJ_1(adc_obj_read_core_temp_obj, adc_obj_read_core_temp);
static MP_DEFINE_CONST_FUN_OBJ_1(adc_obj_read_core_vbat_obj, adc_obj_read_core_vbat);
static MP_DEFINE_CONST_FUN_OBJ_1(adc_obj_read_core_vref_obj, adc_obj_read_core_vref);
static const mp_method_t adc_methods[] = {
{ "read_channel", &adc_obj_read_channel_obj},
{ "read_core_temp", &adc_obj_read_core_temp_obj},
{ "read_core_vbat", &adc_obj_read_core_vbat_obj},
{ "read_core_vref", &adc_obj_read_core_vref_obj},
{ NULL, NULL },
};
static const mp_obj_type_t adc_obj_type = {
{ &mp_const_type },
"ADC",
.print = adc_obj_print,
.methods = adc_methods,
};
mp_obj_t pyb_ADC(mp_obj_t resolution) {
/* init ADC */
adc_init(mp_obj_get_int(resolution));
pyb_adc_obj_t *o = m_new_obj(pyb_adc_obj_t);
o->base.type = &adc_obj_type;
o->adc_id = 1;
o->is_enabled = true;
return o;
}

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stm/adc.h Normal file
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@ -0,0 +1 @@
mp_obj_t pyb_ADC(mp_obj_t resolution);

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stm/lib/stm32f4xx_adc.c Normal file
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656
stm/lib/stm32f4xx_adc.h Normal file
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/**
******************************************************************************
* @file stm32f4xx_adc.h
* @author MCD Application Team
* @version V1.3.0
* @date 08-November-2013
* @brief This file contains all the functions prototypes for the ADC firmware
* library.
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2013 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F4xx_ADC_H
#define __STM32F4xx_ADC_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx.h"
/** @addtogroup STM32F4xx_StdPeriph_Driver
* @{
*/
/** @addtogroup ADC
* @{
*/
/* Exported types ------------------------------------------------------------*/
/**
* @brief ADC Init structure definition
*/
typedef struct
{
uint32_t ADC_Resolution; /*!< Configures the ADC resolution dual mode.
This parameter can be a value of @ref ADC_resolution */
FunctionalState ADC_ScanConvMode; /*!< Specifies whether the conversion
is performed in Scan (multichannels)
or Single (one channel) mode.
This parameter can be set to ENABLE or DISABLE */
FunctionalState ADC_ContinuousConvMode; /*!< Specifies whether the conversion
is performed in Continuous or Single mode.
This parameter can be set to ENABLE or DISABLE. */
uint32_t ADC_ExternalTrigConvEdge; /*!< Select the external trigger edge and
enable the trigger of a regular group.
This parameter can be a value of
@ref ADC_external_trigger_edge_for_regular_channels_conversion */
uint32_t ADC_ExternalTrigConv; /*!< Select the external event used to trigger
the start of conversion of a regular group.
This parameter can be a value of
@ref ADC_extrenal_trigger_sources_for_regular_channels_conversion */
uint32_t ADC_DataAlign; /*!< Specifies whether the ADC data alignment
is left or right. This parameter can be
a value of @ref ADC_data_align */
uint8_t ADC_NbrOfConversion; /*!< Specifies the number of ADC conversions
that will be done using the sequencer for
regular channel group.
This parameter must range from 1 to 16. */
}ADC_InitTypeDef;
/**
* @brief ADC Common Init structure definition
*/
typedef struct
{
uint32_t ADC_Mode; /*!< Configures the ADC to operate in
independent or multi mode.
This parameter can be a value of @ref ADC_Common_mode */
uint32_t ADC_Prescaler; /*!< Select the frequency of the clock
to the ADC. The clock is common for all the ADCs.
This parameter can be a value of @ref ADC_Prescaler */
uint32_t ADC_DMAAccessMode; /*!< Configures the Direct memory access
mode for multi ADC mode.
This parameter can be a value of
@ref ADC_Direct_memory_access_mode_for_multi_mode */
uint32_t ADC_TwoSamplingDelay; /*!< Configures the Delay between 2 sampling phases.
This parameter can be a value of
@ref ADC_delay_between_2_sampling_phases */
}ADC_CommonInitTypeDef;
/* Exported constants --------------------------------------------------------*/
/** @defgroup ADC_Exported_Constants
* @{
*/
#define IS_ADC_ALL_PERIPH(PERIPH) (((PERIPH) == ADC1) || \
((PERIPH) == ADC2) || \
((PERIPH) == ADC3))
/** @defgroup ADC_Common_mode
* @{
*/
#define ADC_Mode_Independent ((uint32_t)0x00000000)
#define ADC_DualMode_RegSimult_InjecSimult ((uint32_t)0x00000001)
#define ADC_DualMode_RegSimult_AlterTrig ((uint32_t)0x00000002)
#define ADC_DualMode_InjecSimult ((uint32_t)0x00000005)
#define ADC_DualMode_RegSimult ((uint32_t)0x00000006)
#define ADC_DualMode_Interl ((uint32_t)0x00000007)
#define ADC_DualMode_AlterTrig ((uint32_t)0x00000009)
#define ADC_TripleMode_RegSimult_InjecSimult ((uint32_t)0x00000011)
#define ADC_TripleMode_RegSimult_AlterTrig ((uint32_t)0x00000012)
#define ADC_TripleMode_InjecSimult ((uint32_t)0x00000015)
#define ADC_TripleMode_RegSimult ((uint32_t)0x00000016)
#define ADC_TripleMode_Interl ((uint32_t)0x00000017)
#define ADC_TripleMode_AlterTrig ((uint32_t)0x00000019)
#define IS_ADC_MODE(MODE) (((MODE) == ADC_Mode_Independent) || \
((MODE) == ADC_DualMode_RegSimult_InjecSimult) || \
((MODE) == ADC_DualMode_RegSimult_AlterTrig) || \
((MODE) == ADC_DualMode_InjecSimult) || \
((MODE) == ADC_DualMode_RegSimult) || \
((MODE) == ADC_DualMode_Interl) || \
((MODE) == ADC_DualMode_AlterTrig) || \
((MODE) == ADC_TripleMode_RegSimult_InjecSimult) || \
((MODE) == ADC_TripleMode_RegSimult_AlterTrig) || \
((MODE) == ADC_TripleMode_InjecSimult) || \
((MODE) == ADC_TripleMode_RegSimult) || \
((MODE) == ADC_TripleMode_Interl) || \
((MODE) == ADC_TripleMode_AlterTrig))
/**
* @}
*/
/** @defgroup ADC_Prescaler
* @{
*/
#define ADC_Prescaler_Div2 ((uint32_t)0x00000000)
#define ADC_Prescaler_Div4 ((uint32_t)0x00010000)
#define ADC_Prescaler_Div6 ((uint32_t)0x00020000)
#define ADC_Prescaler_Div8 ((uint32_t)0x00030000)
#define IS_ADC_PRESCALER(PRESCALER) (((PRESCALER) == ADC_Prescaler_Div2) || \
((PRESCALER) == ADC_Prescaler_Div4) || \
((PRESCALER) == ADC_Prescaler_Div6) || \
((PRESCALER) == ADC_Prescaler_Div8))
/**
* @}
*/
/** @defgroup ADC_Direct_memory_access_mode_for_multi_mode
* @{
*/
#define ADC_DMAAccessMode_Disabled ((uint32_t)0x00000000) /* DMA mode disabled */
#define ADC_DMAAccessMode_1 ((uint32_t)0x00004000) /* DMA mode 1 enabled (2 / 3 half-words one by one - 1 then 2 then 3)*/
#define ADC_DMAAccessMode_2 ((uint32_t)0x00008000) /* DMA mode 2 enabled (2 / 3 half-words by pairs - 2&1 then 1&3 then 3&2)*/
#define ADC_DMAAccessMode_3 ((uint32_t)0x0000C000) /* DMA mode 3 enabled (2 / 3 bytes by pairs - 2&1 then 1&3 then 3&2) */
#define IS_ADC_DMA_ACCESS_MODE(MODE) (((MODE) == ADC_DMAAccessMode_Disabled) || \
((MODE) == ADC_DMAAccessMode_1) || \
((MODE) == ADC_DMAAccessMode_2) || \
((MODE) == ADC_DMAAccessMode_3))
/**
* @}
*/
/** @defgroup ADC_delay_between_2_sampling_phases
* @{
*/
#define ADC_TwoSamplingDelay_5Cycles ((uint32_t)0x00000000)
#define ADC_TwoSamplingDelay_6Cycles ((uint32_t)0x00000100)
#define ADC_TwoSamplingDelay_7Cycles ((uint32_t)0x00000200)
#define ADC_TwoSamplingDelay_8Cycles ((uint32_t)0x00000300)
#define ADC_TwoSamplingDelay_9Cycles ((uint32_t)0x00000400)
#define ADC_TwoSamplingDelay_10Cycles ((uint32_t)0x00000500)
#define ADC_TwoSamplingDelay_11Cycles ((uint32_t)0x00000600)
#define ADC_TwoSamplingDelay_12Cycles ((uint32_t)0x00000700)
#define ADC_TwoSamplingDelay_13Cycles ((uint32_t)0x00000800)
#define ADC_TwoSamplingDelay_14Cycles ((uint32_t)0x00000900)
#define ADC_TwoSamplingDelay_15Cycles ((uint32_t)0x00000A00)
#define ADC_TwoSamplingDelay_16Cycles ((uint32_t)0x00000B00)
#define ADC_TwoSamplingDelay_17Cycles ((uint32_t)0x00000C00)
#define ADC_TwoSamplingDelay_18Cycles ((uint32_t)0x00000D00)
#define ADC_TwoSamplingDelay_19Cycles ((uint32_t)0x00000E00)
#define ADC_TwoSamplingDelay_20Cycles ((uint32_t)0x00000F00)
#define IS_ADC_SAMPLING_DELAY(DELAY) (((DELAY) == ADC_TwoSamplingDelay_5Cycles) || \
((DELAY) == ADC_TwoSamplingDelay_6Cycles) || \
((DELAY) == ADC_TwoSamplingDelay_7Cycles) || \
((DELAY) == ADC_TwoSamplingDelay_8Cycles) || \
((DELAY) == ADC_TwoSamplingDelay_9Cycles) || \
((DELAY) == ADC_TwoSamplingDelay_10Cycles) || \
((DELAY) == ADC_TwoSamplingDelay_11Cycles) || \
((DELAY) == ADC_TwoSamplingDelay_12Cycles) || \
((DELAY) == ADC_TwoSamplingDelay_13Cycles) || \
((DELAY) == ADC_TwoSamplingDelay_14Cycles) || \
((DELAY) == ADC_TwoSamplingDelay_15Cycles) || \
((DELAY) == ADC_TwoSamplingDelay_16Cycles) || \
((DELAY) == ADC_TwoSamplingDelay_17Cycles) || \
((DELAY) == ADC_TwoSamplingDelay_18Cycles) || \
((DELAY) == ADC_TwoSamplingDelay_19Cycles) || \
((DELAY) == ADC_TwoSamplingDelay_20Cycles))
/**
* @}
*/
/** @defgroup ADC_resolution
* @{
*/
#define ADC_Resolution_12b ((uint32_t)0x00000000)
#define ADC_Resolution_10b ((uint32_t)0x01000000)
#define ADC_Resolution_8b ((uint32_t)0x02000000)
#define ADC_Resolution_6b ((uint32_t)0x03000000)
#define IS_ADC_RESOLUTION(RESOLUTION) (((RESOLUTION) == ADC_Resolution_12b) || \
((RESOLUTION) == ADC_Resolution_10b) || \
((RESOLUTION) == ADC_Resolution_8b) || \
((RESOLUTION) == ADC_Resolution_6b))
/**
* @}
*/
/** @defgroup ADC_external_trigger_edge_for_regular_channels_conversion
* @{
*/
#define ADC_ExternalTrigConvEdge_None ((uint32_t)0x00000000)
#define ADC_ExternalTrigConvEdge_Rising ((uint32_t)0x10000000)
#define ADC_ExternalTrigConvEdge_Falling ((uint32_t)0x20000000)
#define ADC_ExternalTrigConvEdge_RisingFalling ((uint32_t)0x30000000)
#define IS_ADC_EXT_TRIG_EDGE(EDGE) (((EDGE) == ADC_ExternalTrigConvEdge_None) || \
((EDGE) == ADC_ExternalTrigConvEdge_Rising) || \
((EDGE) == ADC_ExternalTrigConvEdge_Falling) || \
((EDGE) == ADC_ExternalTrigConvEdge_RisingFalling))
/**
* @}
*/
/** @defgroup ADC_extrenal_trigger_sources_for_regular_channels_conversion
* @{
*/
#define ADC_ExternalTrigConv_T1_CC1 ((uint32_t)0x00000000)
#define ADC_ExternalTrigConv_T1_CC2 ((uint32_t)0x01000000)
#define ADC_ExternalTrigConv_T1_CC3 ((uint32_t)0x02000000)
#define ADC_ExternalTrigConv_T2_CC2 ((uint32_t)0x03000000)
#define ADC_ExternalTrigConv_T2_CC3 ((uint32_t)0x04000000)
#define ADC_ExternalTrigConv_T2_CC4 ((uint32_t)0x05000000)
#define ADC_ExternalTrigConv_T2_TRGO ((uint32_t)0x06000000)
#define ADC_ExternalTrigConv_T3_CC1 ((uint32_t)0x07000000)
#define ADC_ExternalTrigConv_T3_TRGO ((uint32_t)0x08000000)
#define ADC_ExternalTrigConv_T4_CC4 ((uint32_t)0x09000000)
#define ADC_ExternalTrigConv_T5_CC1 ((uint32_t)0x0A000000)
#define ADC_ExternalTrigConv_T5_CC2 ((uint32_t)0x0B000000)
#define ADC_ExternalTrigConv_T5_CC3 ((uint32_t)0x0C000000)
#define ADC_ExternalTrigConv_T8_CC1 ((uint32_t)0x0D000000)
#define ADC_ExternalTrigConv_T8_TRGO ((uint32_t)0x0E000000)
#define ADC_ExternalTrigConv_Ext_IT11 ((uint32_t)0x0F000000)
#define IS_ADC_EXT_TRIG(REGTRIG) (((REGTRIG) == ADC_ExternalTrigConv_T1_CC1) || \
((REGTRIG) == ADC_ExternalTrigConv_T1_CC2) || \
((REGTRIG) == ADC_ExternalTrigConv_T1_CC3) || \
((REGTRIG) == ADC_ExternalTrigConv_T2_CC2) || \
((REGTRIG) == ADC_ExternalTrigConv_T2_CC3) || \
((REGTRIG) == ADC_ExternalTrigConv_T2_CC4) || \
((REGTRIG) == ADC_ExternalTrigConv_T2_TRGO) || \
((REGTRIG) == ADC_ExternalTrigConv_T3_CC1) || \
((REGTRIG) == ADC_ExternalTrigConv_T3_TRGO) || \
((REGTRIG) == ADC_ExternalTrigConv_T4_CC4) || \
((REGTRIG) == ADC_ExternalTrigConv_T5_CC1) || \
((REGTRIG) == ADC_ExternalTrigConv_T5_CC2) || \
((REGTRIG) == ADC_ExternalTrigConv_T5_CC3) || \
((REGTRIG) == ADC_ExternalTrigConv_T8_CC1) || \
((REGTRIG) == ADC_ExternalTrigConv_T8_TRGO) || \
((REGTRIG) == ADC_ExternalTrigConv_Ext_IT11))
/**
* @}
*/
/** @defgroup ADC_data_align
* @{
*/
#define ADC_DataAlign_Right ((uint32_t)0x00000000)
#define ADC_DataAlign_Left ((uint32_t)0x00000800)
#define IS_ADC_DATA_ALIGN(ALIGN) (((ALIGN) == ADC_DataAlign_Right) || \
((ALIGN) == ADC_DataAlign_Left))
/**
* @}
*/
/** @defgroup ADC_channels
* @{
*/
#define ADC_Channel_0 ((uint8_t)0x00)
#define ADC_Channel_1 ((uint8_t)0x01)
#define ADC_Channel_2 ((uint8_t)0x02)
#define ADC_Channel_3 ((uint8_t)0x03)
#define ADC_Channel_4 ((uint8_t)0x04)
#define ADC_Channel_5 ((uint8_t)0x05)
#define ADC_Channel_6 ((uint8_t)0x06)
#define ADC_Channel_7 ((uint8_t)0x07)
#define ADC_Channel_8 ((uint8_t)0x08)
#define ADC_Channel_9 ((uint8_t)0x09)
#define ADC_Channel_10 ((uint8_t)0x0A)
#define ADC_Channel_11 ((uint8_t)0x0B)
#define ADC_Channel_12 ((uint8_t)0x0C)
#define ADC_Channel_13 ((uint8_t)0x0D)
#define ADC_Channel_14 ((uint8_t)0x0E)
#define ADC_Channel_15 ((uint8_t)0x0F)
#define ADC_Channel_16 ((uint8_t)0x10)
#define ADC_Channel_17 ((uint8_t)0x11)
#define ADC_Channel_18 ((uint8_t)0x12)
#if defined (STM32F40_41xxx)
#define ADC_Channel_TempSensor ((uint8_t)ADC_Channel_16)
#endif /* STM32F40_41xxx */
#if defined (STM32F427_437xx) || defined (STM32F429_439xx) || defined (STM32F401xx)
#define ADC_Channel_TempSensor ((uint8_t)ADC_Channel_18)
#endif /* STM32F427_437xx || STM32F429_439xx || STM32F401xx */
#define ADC_Channel_Vrefint ((uint8_t)ADC_Channel_17)
#define ADC_Channel_Vbat ((uint8_t)ADC_Channel_18)
#define IS_ADC_CHANNEL(CHANNEL) (((CHANNEL) == ADC_Channel_0) || \
((CHANNEL) == ADC_Channel_1) || \
((CHANNEL) == ADC_Channel_2) || \
((CHANNEL) == ADC_Channel_3) || \
((CHANNEL) == ADC_Channel_4) || \
((CHANNEL) == ADC_Channel_5) || \
((CHANNEL) == ADC_Channel_6) || \
((CHANNEL) == ADC_Channel_7) || \
((CHANNEL) == ADC_Channel_8) || \
((CHANNEL) == ADC_Channel_9) || \
((CHANNEL) == ADC_Channel_10) || \
((CHANNEL) == ADC_Channel_11) || \
((CHANNEL) == ADC_Channel_12) || \
((CHANNEL) == ADC_Channel_13) || \
((CHANNEL) == ADC_Channel_14) || \
((CHANNEL) == ADC_Channel_15) || \
((CHANNEL) == ADC_Channel_16) || \
((CHANNEL) == ADC_Channel_17) || \
((CHANNEL) == ADC_Channel_18))
/**
* @}
*/
/** @defgroup ADC_sampling_times
* @{
*/
#define ADC_SampleTime_3Cycles ((uint8_t)0x00)
#define ADC_SampleTime_15Cycles ((uint8_t)0x01)
#define ADC_SampleTime_28Cycles ((uint8_t)0x02)
#define ADC_SampleTime_56Cycles ((uint8_t)0x03)
#define ADC_SampleTime_84Cycles ((uint8_t)0x04)
#define ADC_SampleTime_112Cycles ((uint8_t)0x05)
#define ADC_SampleTime_144Cycles ((uint8_t)0x06)
#define ADC_SampleTime_480Cycles ((uint8_t)0x07)
#define IS_ADC_SAMPLE_TIME(TIME) (((TIME) == ADC_SampleTime_3Cycles) || \
((TIME) == ADC_SampleTime_15Cycles) || \
((TIME) == ADC_SampleTime_28Cycles) || \
((TIME) == ADC_SampleTime_56Cycles) || \
((TIME) == ADC_SampleTime_84Cycles) || \
((TIME) == ADC_SampleTime_112Cycles) || \
((TIME) == ADC_SampleTime_144Cycles) || \
((TIME) == ADC_SampleTime_480Cycles))
/**
* @}
*/
/** @defgroup ADC_external_trigger_edge_for_injected_channels_conversion
* @{
*/
#define ADC_ExternalTrigInjecConvEdge_None ((uint32_t)0x00000000)
#define ADC_ExternalTrigInjecConvEdge_Rising ((uint32_t)0x00100000)
#define ADC_ExternalTrigInjecConvEdge_Falling ((uint32_t)0x00200000)
#define ADC_ExternalTrigInjecConvEdge_RisingFalling ((uint32_t)0x00300000)
#define IS_ADC_EXT_INJEC_TRIG_EDGE(EDGE) (((EDGE) == ADC_ExternalTrigInjecConvEdge_None) || \
((EDGE) == ADC_ExternalTrigInjecConvEdge_Rising) || \
((EDGE) == ADC_ExternalTrigInjecConvEdge_Falling) || \
((EDGE) == ADC_ExternalTrigInjecConvEdge_RisingFalling))
/**
* @}
*/
/** @defgroup ADC_extrenal_trigger_sources_for_injected_channels_conversion
* @{
*/
#define ADC_ExternalTrigInjecConv_T1_CC4 ((uint32_t)0x00000000)
#define ADC_ExternalTrigInjecConv_T1_TRGO ((uint32_t)0x00010000)
#define ADC_ExternalTrigInjecConv_T2_CC1 ((uint32_t)0x00020000)
#define ADC_ExternalTrigInjecConv_T2_TRGO ((uint32_t)0x00030000)
#define ADC_ExternalTrigInjecConv_T3_CC2 ((uint32_t)0x00040000)
#define ADC_ExternalTrigInjecConv_T3_CC4 ((uint32_t)0x00050000)
#define ADC_ExternalTrigInjecConv_T4_CC1 ((uint32_t)0x00060000)
#define ADC_ExternalTrigInjecConv_T4_CC2 ((uint32_t)0x00070000)
#define ADC_ExternalTrigInjecConv_T4_CC3 ((uint32_t)0x00080000)
#define ADC_ExternalTrigInjecConv_T4_TRGO ((uint32_t)0x00090000)
#define ADC_ExternalTrigInjecConv_T5_CC4 ((uint32_t)0x000A0000)
#define ADC_ExternalTrigInjecConv_T5_TRGO ((uint32_t)0x000B0000)
#define ADC_ExternalTrigInjecConv_T8_CC2 ((uint32_t)0x000C0000)
#define ADC_ExternalTrigInjecConv_T8_CC3 ((uint32_t)0x000D0000)
#define ADC_ExternalTrigInjecConv_T8_CC4 ((uint32_t)0x000E0000)
#define ADC_ExternalTrigInjecConv_Ext_IT15 ((uint32_t)0x000F0000)
#define IS_ADC_EXT_INJEC_TRIG(INJTRIG) (((INJTRIG) == ADC_ExternalTrigInjecConv_T1_CC4) || \
((INJTRIG) == ADC_ExternalTrigInjecConv_T1_TRGO) || \
((INJTRIG) == ADC_ExternalTrigInjecConv_T2_CC1) || \
((INJTRIG) == ADC_ExternalTrigInjecConv_T2_TRGO) || \
((INJTRIG) == ADC_ExternalTrigInjecConv_T3_CC2) || \
((INJTRIG) == ADC_ExternalTrigInjecConv_T3_CC4) || \
((INJTRIG) == ADC_ExternalTrigInjecConv_T4_CC1) || \
((INJTRIG) == ADC_ExternalTrigInjecConv_T4_CC2) || \
((INJTRIG) == ADC_ExternalTrigInjecConv_T4_CC3) || \
((INJTRIG) == ADC_ExternalTrigInjecConv_T4_TRGO) || \
((INJTRIG) == ADC_ExternalTrigInjecConv_T5_CC4) || \
((INJTRIG) == ADC_ExternalTrigInjecConv_T5_TRGO) || \
((INJTRIG) == ADC_ExternalTrigInjecConv_T8_CC2) || \
((INJTRIG) == ADC_ExternalTrigInjecConv_T8_CC3) || \
((INJTRIG) == ADC_ExternalTrigInjecConv_T8_CC4) || \
((INJTRIG) == ADC_ExternalTrigInjecConv_Ext_IT15))
/**
* @}
*/
/** @defgroup ADC_injected_channel_selection
* @{
*/
#define ADC_InjectedChannel_1 ((uint8_t)0x14)
#define ADC_InjectedChannel_2 ((uint8_t)0x18)
#define ADC_InjectedChannel_3 ((uint8_t)0x1C)
#define ADC_InjectedChannel_4 ((uint8_t)0x20)
#define IS_ADC_INJECTED_CHANNEL(CHANNEL) (((CHANNEL) == ADC_InjectedChannel_1) || \
((CHANNEL) == ADC_InjectedChannel_2) || \
((CHANNEL) == ADC_InjectedChannel_3) || \
((CHANNEL) == ADC_InjectedChannel_4))
/**
* @}
*/
/** @defgroup ADC_analog_watchdog_selection
* @{
*/
#define ADC_AnalogWatchdog_SingleRegEnable ((uint32_t)0x00800200)
#define ADC_AnalogWatchdog_SingleInjecEnable ((uint32_t)0x00400200)
#define ADC_AnalogWatchdog_SingleRegOrInjecEnable ((uint32_t)0x00C00200)
#define ADC_AnalogWatchdog_AllRegEnable ((uint32_t)0x00800000)
#define ADC_AnalogWatchdog_AllInjecEnable ((uint32_t)0x00400000)
#define ADC_AnalogWatchdog_AllRegAllInjecEnable ((uint32_t)0x00C00000)
#define ADC_AnalogWatchdog_None ((uint32_t)0x00000000)
#define IS_ADC_ANALOG_WATCHDOG(WATCHDOG) (((WATCHDOG) == ADC_AnalogWatchdog_SingleRegEnable) || \
((WATCHDOG) == ADC_AnalogWatchdog_SingleInjecEnable) || \
((WATCHDOG) == ADC_AnalogWatchdog_SingleRegOrInjecEnable) || \
((WATCHDOG) == ADC_AnalogWatchdog_AllRegEnable) || \
((WATCHDOG) == ADC_AnalogWatchdog_AllInjecEnable) || \
((WATCHDOG) == ADC_AnalogWatchdog_AllRegAllInjecEnable) || \
((WATCHDOG) == ADC_AnalogWatchdog_None))
/**
* @}
*/
/** @defgroup ADC_interrupts_definition
* @{
*/
#define ADC_IT_EOC ((uint16_t)0x0205)
#define ADC_IT_AWD ((uint16_t)0x0106)
#define ADC_IT_JEOC ((uint16_t)0x0407)
#define ADC_IT_OVR ((uint16_t)0x201A)
#define IS_ADC_IT(IT) (((IT) == ADC_IT_EOC) || ((IT) == ADC_IT_AWD) || \
((IT) == ADC_IT_JEOC)|| ((IT) == ADC_IT_OVR))
/**
* @}
*/
/** @defgroup ADC_flags_definition
* @{
*/
#define ADC_FLAG_AWD ((uint8_t)0x01)
#define ADC_FLAG_EOC ((uint8_t)0x02)
#define ADC_FLAG_JEOC ((uint8_t)0x04)
#define ADC_FLAG_JSTRT ((uint8_t)0x08)
#define ADC_FLAG_STRT ((uint8_t)0x10)
#define ADC_FLAG_OVR ((uint8_t)0x20)
#define IS_ADC_CLEAR_FLAG(FLAG) ((((FLAG) & (uint8_t)0xC0) == 0x00) && ((FLAG) != 0x00))
#define IS_ADC_GET_FLAG(FLAG) (((FLAG) == ADC_FLAG_AWD) || \
((FLAG) == ADC_FLAG_EOC) || \
((FLAG) == ADC_FLAG_JEOC) || \
((FLAG)== ADC_FLAG_JSTRT) || \
((FLAG) == ADC_FLAG_STRT) || \
((FLAG)== ADC_FLAG_OVR))
/**
* @}
*/
/** @defgroup ADC_thresholds
* @{
*/
#define IS_ADC_THRESHOLD(THRESHOLD) ((THRESHOLD) <= 0xFFF)
/**
* @}
*/
/** @defgroup ADC_injected_offset
* @{
*/
#define IS_ADC_OFFSET(OFFSET) ((OFFSET) <= 0xFFF)
/**
* @}
*/
/** @defgroup ADC_injected_length
* @{
*/
#define IS_ADC_INJECTED_LENGTH(LENGTH) (((LENGTH) >= 0x1) && ((LENGTH) <= 0x4))
/**
* @}
*/
/** @defgroup ADC_injected_rank
* @{
*/
#define IS_ADC_INJECTED_RANK(RANK) (((RANK) >= 0x1) && ((RANK) <= 0x4))
/**
* @}
*/
/** @defgroup ADC_regular_length
* @{
*/
#define IS_ADC_REGULAR_LENGTH(LENGTH) (((LENGTH) >= 0x1) && ((LENGTH) <= 0x10))
/**
* @}
*/
/** @defgroup ADC_regular_rank
* @{
*/
#define IS_ADC_REGULAR_RANK(RANK) (((RANK) >= 0x1) && ((RANK) <= 0x10))
/**
* @}
*/
/** @defgroup ADC_regular_discontinuous_mode_number
* @{
*/
#define IS_ADC_REGULAR_DISC_NUMBER(NUMBER) (((NUMBER) >= 0x1) && ((NUMBER) <= 0x8))
/**
* @}
*/
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
/* Function used to set the ADC configuration to the default reset state *****/
void ADC_DeInit(void);
/* Initialization and Configuration functions *********************************/
void ADC_Init(ADC_TypeDef* ADCx, ADC_InitTypeDef* ADC_InitStruct);
void ADC_StructInit(ADC_InitTypeDef* ADC_InitStruct);
void ADC_CommonInit(ADC_CommonInitTypeDef* ADC_CommonInitStruct);
void ADC_CommonStructInit(ADC_CommonInitTypeDef* ADC_CommonInitStruct);
void ADC_Cmd(ADC_TypeDef* ADCx, FunctionalState NewState);
/* Analog Watchdog configuration functions ************************************/
void ADC_AnalogWatchdogCmd(ADC_TypeDef* ADCx, uint32_t ADC_AnalogWatchdog);
void ADC_AnalogWatchdogThresholdsConfig(ADC_TypeDef* ADCx, uint16_t HighThreshold,uint16_t LowThreshold);
void ADC_AnalogWatchdogSingleChannelConfig(ADC_TypeDef* ADCx, uint8_t ADC_Channel);
/* Temperature Sensor, Vrefint and VBAT management functions ******************/
void ADC_TempSensorVrefintCmd(FunctionalState NewState);
void ADC_VBATCmd(FunctionalState NewState);
/* Regular Channels Configuration functions ***********************************/
void ADC_RegularChannelConfig(ADC_TypeDef* ADCx, uint8_t ADC_Channel, uint8_t Rank, uint8_t ADC_SampleTime);
void ADC_SoftwareStartConv(ADC_TypeDef* ADCx);
FlagStatus ADC_GetSoftwareStartConvStatus(ADC_TypeDef* ADCx);
void ADC_EOCOnEachRegularChannelCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
void ADC_ContinuousModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
void ADC_DiscModeChannelCountConfig(ADC_TypeDef* ADCx, uint8_t Number);
void ADC_DiscModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
uint16_t ADC_GetConversionValue(ADC_TypeDef* ADCx);
uint32_t ADC_GetMultiModeConversionValue(void);
/* Regular Channels DMA Configuration functions *******************************/
void ADC_DMACmd(ADC_TypeDef* ADCx, FunctionalState NewState);
void ADC_DMARequestAfterLastTransferCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
void ADC_MultiModeDMARequestAfterLastTransferCmd(FunctionalState NewState);
/* Injected channels Configuration functions **********************************/
void ADC_InjectedChannelConfig(ADC_TypeDef* ADCx, uint8_t ADC_Channel, uint8_t Rank, uint8_t ADC_SampleTime);
void ADC_InjectedSequencerLengthConfig(ADC_TypeDef* ADCx, uint8_t Length);
void ADC_SetInjectedOffset(ADC_TypeDef* ADCx, uint8_t ADC_InjectedChannel, uint16_t Offset);
void ADC_ExternalTrigInjectedConvConfig(ADC_TypeDef* ADCx, uint32_t ADC_ExternalTrigInjecConv);
void ADC_ExternalTrigInjectedConvEdgeConfig(ADC_TypeDef* ADCx, uint32_t ADC_ExternalTrigInjecConvEdge);
void ADC_SoftwareStartInjectedConv(ADC_TypeDef* ADCx);
FlagStatus ADC_GetSoftwareStartInjectedConvCmdStatus(ADC_TypeDef* ADCx);
void ADC_AutoInjectedConvCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
void ADC_InjectedDiscModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState);
uint16_t ADC_GetInjectedConversionValue(ADC_TypeDef* ADCx, uint8_t ADC_InjectedChannel);
/* Interrupts and flags management functions **********************************/
void ADC_ITConfig(ADC_TypeDef* ADCx, uint16_t ADC_IT, FunctionalState NewState);
FlagStatus ADC_GetFlagStatus(ADC_TypeDef* ADCx, uint8_t ADC_FLAG);
void ADC_ClearFlag(ADC_TypeDef* ADCx, uint8_t ADC_FLAG);
ITStatus ADC_GetITStatus(ADC_TypeDef* ADCx, uint16_t ADC_IT);
void ADC_ClearITPendingBit(ADC_TypeDef* ADCx, uint16_t ADC_IT);
#ifdef __cplusplus
}
#endif
#endif /*__STM32F4xx_ADC_H */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

2
stm/main.c
View File

@ -40,6 +40,7 @@
#include "pybwlan.h"
#include "i2c.h"
#include "usrsw.h"
#include "adc.h"
int errno;
@ -839,6 +840,7 @@ soft_reset:
rt_store_attr(m, qstr_from_str_static("I2C"), rt_make_function_n(2, pyb_I2C));
rt_store_attr(m, qstr_from_str_static("gpio"), (mp_obj_t)&pyb_gpio_obj);
rt_store_attr(m, qstr_from_str_static("Usart"), rt_make_function_n(2, pyb_Usart));
rt_store_attr(m, qstr_from_str_static("ADC"), rt_make_function_n(1, pyb_ADC));
rt_store_name(qstr_from_str_static("pyb"), m);
rt_store_name(qstr_from_str_static("open"), rt_make_function_n(2, pyb_io_open));