Commit 1403298a authored by Dave Hylands's avatar Dave Hylands
Browse files

stmhal - fixed up adc stuff

Added support for the ADC channels and mappings to make_pins.py

I'm not sure if the hal properly deals with the channel 16/18 differences
between the 40x and 42x. It seems to deal with it partially. This particular
aspect will need testing on a 42x or 43x.
parent 6609d636
......@@ -93,10 +93,10 @@ SRC_C = \
accel.c \
servo.c \
dac.c \
adc.c \
# timer.c \
# i2c.c \
# adc.c \
# pybwlan.c \
SRC_S = \
......@@ -105,6 +105,8 @@ SRC_S = \
SRC_HAL = $(addprefix $(HAL_DIR)/src/,\
stm32f4xx_hal.c \
stm32f4xx_hal_adc.c \
stm32f4xx_hal_adc_ex.c \
stm32f4xx_hal_cortex.c \
stm32f4xx_hal_dac.c \
stm32f4xx_hal_dac_ex.c \
......
#include <stdio.h>
#include <stm32f4xx_hal.h>
#include <string.h>
#include "misc.h"
#include "nlr.h"
#include "mpconfig.h"
#include "qstr.h"
#include "obj.h"
#include "adc.h"
#include "pin.h"
#include "build/pins.h"
// Usage Model:
//
// adc = pyb.ADC(pin)
// val = adc.read()
//
// adc = pyb.ADC_all(resolution)
// val = adc.read_channel(channel)
// val = adc.read_core_temp()
// val = adc.read_core_vbat()
// val = adc.read_core_vref()
/* ADC defintions */
#define ADCx (ADC1)
#define ADCx_CLK_ENABLE __ADC1_CLK_ENABLE
#define ADC_NUM_CHANNELS (19)
#define ADC_NUM_GPIO_CHANNELS (16)
#if defined(STM32F405xx) || defined(STM32F415xx) || \
defined(STM32F407xx) || defined(STM32F417xx) || \
defined(STM32F401xC) || defined(STM32F401xE)
#define VBAT_DIV (2)
#elif defined(STM32F427xx) || defined(STM32F429xx) || \
defined(STM32F437xx) || defined(STM32F439xx)
#define VBAT_DIV (4)
#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) */
typedef struct _pyb_obj_adc_t {
mp_obj_base_t base;
mp_obj_t pin_name;
int channel;
ADC_HandleTypeDef handle;
} pyb_obj_adc_t;
void adc_init_single(pyb_obj_adc_t *adc_obj) {
if (!IS_ADC_CHANNEL(adc_obj->channel)) {
return;
}
if (adc_obj->channel < ADC_NUM_GPIO_CHANNELS) {
// Channels 0-16 correspond to real pins. Configure the GPIO pin in
// ADC mode.
const pin_obj_t *pin = pin_adc1[adc_obj->channel];
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.Pin = pin->pin_mask;
GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
GPIO_InitStructure.Pull = GPIO_NOPULL;
HAL_GPIO_Init(pin->gpio, &GPIO_InitStructure);
}
ADCx_CLK_ENABLE();
ADC_HandleTypeDef *adcHandle = &adc_obj->handle;
adcHandle->Instance = ADCx;
adcHandle->Init.ClockPrescaler = ADC_CLOCKPRESCALER_PCLK_DIV2;
adcHandle->Init.Resolution = ADC_RESOLUTION12b;
adcHandle->Init.ScanConvMode = DISABLE;
adcHandle->Init.ContinuousConvMode = DISABLE;
adcHandle->Init.DiscontinuousConvMode = DISABLE;
adcHandle->Init.NbrOfDiscConversion = 0;
adcHandle->Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
adcHandle->Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T1_CC1;
adcHandle->Init.DataAlign = ADC_DATAALIGN_RIGHT;
adcHandle->Init.NbrOfConversion = 1;
adcHandle->Init.DMAContinuousRequests = DISABLE;
adcHandle->Init.EOCSelection = DISABLE;
HAL_ADC_Init(adcHandle);
ADC_ChannelConfTypeDef sConfig;
sConfig.Channel = adc_obj->channel;
sConfig.Rank = 1;
sConfig.SamplingTime = ADC_SAMPLETIME_15CYCLES;
sConfig.Offset = 0;
HAL_ADC_ConfigChannel(adcHandle, &sConfig);
}
uint32_t adc_read_channel(ADC_HandleTypeDef *adcHandle)
{
uint32_t rawValue = 0;
HAL_ADC_Start(adcHandle);
if (HAL_ADC_PollForConversion(adcHandle, 10) == HAL_OK) \
&& HAL_ADC_GetState(adcHandle) == HAL_ADC_STATE_EOC_REG) {
rawValue = HAL_ADC_GetValue(adcHandle);
}
HAL_ADC_Stop(adcHandle);
return rawValue;
}
/******************************************************************************/
/* Micro Python bindings : adc object (single channel) */
static void adc_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
pyb_obj_adc_t *self = self_in;
print(env, "<ADC on ");
mp_obj_print_helper(print, env, self->pin_name, PRINT_STR);
print(env, " channel=%lu>", self->channel);
}
static mp_obj_t adc_read(mp_obj_t self_in) {
pyb_obj_adc_t *self = self_in;
uint32_t data = adc_read_channel(&self->handle);
return mp_obj_new_int(data);
}
static MP_DEFINE_CONST_FUN_OBJ_1(adc_read_obj, adc_read);
static const mp_method_t adc_methods[] = {
{ "read", &adc_read_obj},
{ NULL, NULL },
};
static const mp_obj_type_t adc_type = {
{ &mp_type_type },
.name = MP_QSTR_ADC,
.print = adc_print,
.methods = adc_methods,
};
mp_obj_t pyb_ADC(mp_obj_t pin_obj) {
uint32_t channel;
if (MP_OBJ_IS_INT(pin_obj)) {
channel = mp_obj_get_int(pin_obj);
} else {
const pin_obj_t *pin = pin_map_user_obj(pin_obj);
if ((pin->adc_num & PIN_ADC1) == 0) {
// No ADC1 function on that pin
nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "pin %s does not have ADC capabilities", pin->name));
}
channel = pin->adc_channel;
}
if (!IS_ADC_CHANNEL(channel)) {
nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "Not a valid ADC Channel: %d", channel));
}
if (pin_adc1[channel] == NULL) {
nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "Channel %d not available on this board", channel));
}
pyb_obj_adc_t *o = m_new_obj(pyb_obj_adc_t);
memset(o, 0, sizeof(*o));
o->base.type = &adc_type;
o->pin_name = pin_obj;
o->channel = channel;
adc_init_single(o);
return o;
}
MP_DEFINE_CONST_FUN_OBJ_1(pyb_ADC_obj, pyb_ADC);
/******************************************************************************/
/* adc all object */
typedef struct _pyb_obj_adc_all_t {
mp_obj_base_t base;
ADC_HandleTypeDef handle;
} pyb_obj_adc_all_t;
void adc_init_all(pyb_obj_adc_all_t *adc_all, uint32_t resolution) {
switch (resolution) {
case 6: resolution = ADC_RESOLUTION6b; break;
case 8: resolution = ADC_RESOLUTION8b; break;
case 10: resolution = ADC_RESOLUTION10b; break;
case 12: resolution = ADC_RESOLUTION12b; break;
default:
nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
"resolution %d not supported", resolution));
}
for (uint32_t channel = 0; channel < ADC_NUM_GPIO_CHANNELS; channel++) {
// Channels 0-16 correspond to real pins. Configure the GPIO pin in
// ADC mode.
const pin_obj_t *pin = pin_adc1[channel];
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.Pin = pin->pin_mask;
GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
GPIO_InitStructure.Pull = GPIO_NOPULL;
HAL_GPIO_Init(pin->gpio, &GPIO_InitStructure);
}
ADCx_CLK_ENABLE();
ADC_HandleTypeDef *adcHandle = &adc_all->handle;
adcHandle->Instance = ADCx;
adcHandle->Init.ClockPrescaler = ADC_CLOCKPRESCALER_PCLK_DIV2;
adcHandle->Init.Resolution = resolution;
adcHandle->Init.ScanConvMode = DISABLE;
adcHandle->Init.ContinuousConvMode = DISABLE;
adcHandle->Init.DiscontinuousConvMode = DISABLE;
adcHandle->Init.NbrOfDiscConversion = 0;
adcHandle->Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
adcHandle->Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T1_CC1;
adcHandle->Init.DataAlign = ADC_DATAALIGN_RIGHT;
adcHandle->Init.NbrOfConversion = 1;
adcHandle->Init.DMAContinuousRequests = DISABLE;
adcHandle->Init.EOCSelection = DISABLE;
HAL_ADC_Init(adcHandle);
}
uint32_t adc_config_and_read_channel(ADC_HandleTypeDef *adcHandle, uint32_t channel)
{
ADC_ChannelConfTypeDef sConfig;
sConfig.Channel = channel;
sConfig.Rank = 1;
sConfig.SamplingTime = ADC_SAMPLETIME_15CYCLES;
sConfig.Offset = 0;
HAL_ADC_ConfigChannel(adcHandle, &sConfig);
return adc_read_channel(adcHandle);
}
int adc_read_core_temp(ADC_HandleTypeDef *adcHandle)
{
int32_t raw_value = adc_config_and_read_channel(adcHandle, ADC_CHANNEL_TEMPSENSOR);
return ((raw_value - CORE_TEMP_V25) / CORE_TEMP_AVG_SLOPE) + 25;
}
float adc_read_core_vbat(ADC_HandleTypeDef *adcHandle)
{
uint32_t raw_value = adc_config_and_read_channel(adcHandle, ADC_CHANNEL_VBAT);
return raw_value * VBAT_DIV / 4096.0f * 3.3f;
}
float adc_read_core_vref(ADC_HandleTypeDef *adcHandle)
{
uint32_t raw_value = adc_config_and_read_channel(adcHandle, ADC_CHANNEL_VREFINT);
return raw_value * VBAT_DIV / 4096.0f * 3.3f;
}
/******************************************************************************/
/* Micro Python bindings : adc_all object */
static void adc_all_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
print(env, "<ADC all>");
}
static mp_obj_t adc_all_read_channel(mp_obj_t self_in, mp_obj_t channel) {
pyb_obj_adc_all_t *self = self_in;
uint32_t chan = mp_obj_get_int(channel);
uint32_t data = adc_config_and_read_channel(&self->handle, chan);
return mp_obj_new_int(data);
}
static mp_obj_t adc_all_read_core_temp(mp_obj_t self_in) {
pyb_obj_adc_all_t *self = self_in;
int data = adc_read_core_temp(&self->handle);
return mp_obj_new_int(data);
}
static mp_obj_t adc_all_read_core_vbat(mp_obj_t self_in) {
pyb_obj_adc_all_t *self = self_in;
float data = adc_read_core_vbat(&self->handle);
return mp_obj_new_float(data);
}
static mp_obj_t adc_all_read_core_vref(mp_obj_t self_in) {
pyb_obj_adc_all_t *self = self_in;
float data = adc_read_core_vref(&self->handle);
return mp_obj_new_float(data);
}
static MP_DEFINE_CONST_FUN_OBJ_2(adc_all_read_channel_obj, adc_all_read_channel);
static MP_DEFINE_CONST_FUN_OBJ_1(adc_all_read_core_temp_obj, adc_all_read_core_temp);
static MP_DEFINE_CONST_FUN_OBJ_1(adc_all_read_core_vbat_obj, adc_all_read_core_vbat);
static MP_DEFINE_CONST_FUN_OBJ_1(adc_all_read_core_vref_obj, adc_all_read_core_vref);
static const mp_method_t adc_all_methods[] = {
{ "read_channel", &adc_all_read_channel_obj},
{ "read_core_temp", &adc_all_read_core_temp_obj},
{ "read_core_vbat", &adc_all_read_core_vbat_obj},
{ "read_core_vref", &adc_all_read_core_vref_obj},
{ NULL, NULL },
};
static const mp_obj_type_t adc_all_type = {
{ &mp_type_type },
.name = MP_QSTR_ADC,
.print = adc_all_print,
.methods = adc_all_methods,
};
mp_obj_t pyb_ADC_all(mp_obj_t resolution) {
pyb_obj_adc_all_t *o = m_new_obj(pyb_obj_adc_all_t);
o->base.type = &adc_all_type;
adc_init_all(o, mp_obj_get_int(resolution));
return o;
}
MP_DEFINE_CONST_FUN_OBJ_1(pyb_ADC_all_obj, pyb_ADC_all);
MP_DECLARE_CONST_FUN_OBJ(pyb_ADC_all_obj);
MP_DECLARE_CONST_FUN_OBJ(pyb_ADC_obj);
......@@ -94,6 +94,8 @@ class Pin(object):
self.alt_fn = []
self.board_name = None
self.alt_fn_count = 0
self.adc_num = 0
self.adc_channel = 0
def port_letter(self):
return chr(self.port + ord('A'))
......@@ -101,6 +103,15 @@ class Pin(object):
def pin_name(self):
return '{:s}{:d}'.format(self.port_letter(), self.pin)
def parse_adc(self, adc_str):
if (adc_str[:3] != 'ADC'):
return
(adc,channel) = adc_str.split('_')
for idx in range(3, len(adc)):
adc_num = int(adc[idx]) # 1, 2, or 3
self.adc_num |= (1 << (adc_num - 1))
self.adc_channel = int(channel[2:])
def parse_af(self, af_idx, af_strs_in):
if len(af_strs_in) == 0:
return
......@@ -113,10 +124,22 @@ class Pin(object):
if alt_fn.is_supported():
self.alt_fn_count += 1
def alt_fn_name(self):
if self.alt_fn_count > 0:
return 'pin_{:s}_af'.format(self.pin_name())
return 'NULL'
def alt_fn_name(self, null_if_0=False):
if null_if_0 and self.alt_fn_count == 0:
return 'NULL'
return 'pin_{:s}_af'.format(self.pin_name())
def adc_num_str(self):
str = ''
for adc_num in range(1,4):
if self.adc_num & (1 << (adc_num - 1)):
if len(str) > 0:
str += ' | '
str += 'PIN_ADC'
str += chr(ord('0') + adc_num)
if len(str) == 0:
str = '0'
return str
def print(self):
if self.alt_fn_count == 0:
......@@ -128,9 +151,10 @@ class Pin(object):
print("// ", end='')
print('};')
print('')
print('const pin_obj_t pin_{:s} = PIN({:s}, {:d}, {:d}, {:s});'.format(
print('const pin_obj_t pin_{:s} = PIN({:s}, {:d}, {:d}, {:s}, {:s}, {:d});'.format(
self.pin_name(), self.port_letter(), self.pin,
self.alt_fn_count, self.alt_fn_name()))
self.alt_fn_count, self.alt_fn_name(null_if_0=True),
self.adc_num_str(), self.adc_channel))
print('')
def print_header(self, hdr_file):
......@@ -162,7 +186,10 @@ class Pins(object):
continue
pin = Pin(port_num, pin_num)
for af_idx in range(af_col, len(row)):
pin.parse_af(af_idx - af_col, row[af_idx])
if af_idx < af_col + 16:
pin.parse_af(af_idx - af_col, row[af_idx])
elif af_idx == af_col + 16:
pin.parse_adc(row[af_idx])
self.pins.append(pin)
def parse_board_file(self, filename):
......@@ -198,11 +225,30 @@ class Pins(object):
print('')
self.print_named('board', self.board_pins)
def print_adc(self, adc_num):
print('');
print('const pin_obj_t * const pin_adc{:d}[] = {{'.format(adc_num))
for channel in range(16):
adc_found = False
for pin in self.pins:
if (pin.board_name and
(pin.adc_num & (1 << (adc_num - 1))) and (pin.adc_channel == channel)):
print(' &pin_{:s}, // {:d}'.format(pin.pin_name(), channel))
adc_found = True
break
if not adc_found:
print(' NULL, // {:d}'.format(channel))
print('};')
def print_header(self, hdr_filename):
with open(hdr_filename, 'wt') as hdr_file:
for pin in self.pins:
if pin.board_name:
pin.print_header(hdr_file)
hdr_file.write('extern const pin_obj_t * const pin_adc1[];\n')
hdr_file.write('extern const pin_obj_t * const pin_adc2[];\n')
hdr_file.write('extern const pin_obj_t * const pin_adc3[];\n')
def main():
......@@ -254,6 +300,9 @@ def main():
with open(args.prefix_filename, 'r') as prefix_file:
print(prefix_file.read())
pins.print()
pins.print_adc(1)
pins.print_adc(2)
pins.print_adc(3)
pins.print_header(args.hdr_filename)
......
Port,,AF0,AF1,AF2,AF3,AF4,AF5,AF6,AF7,AF8,AF9,AF10,AF11,AF12,AF13,AF14,AF15
,,SYS,TIM1/2,TIM3/4/5,TIM8/9/10/11,I2C1/2/3,SPI1/SPI2/I2S2/I2S2ext,SPI3/I2Sext/I2S3,USART1/2/3/I2S3ext,UART4/5/USART6,CAN1/CAN2/TIM12/13/14,OTG_FS/OTG_HS,ETH,FSMC/SDIO/OTG_FS,DCMI,,
PortA,PA0,,TIM2_CH1_ETR,TIM5_CH1,TIM8_ETR,,,,USART2_CTS,UART4_TX,,,ETH_MII_CRS,,,,EVENTOUT
PortA,PA1,,TIM2_CH2,TIM5_CH2,,,,,USART2_RTS,UART4_RX,,,ETH_MII_RX_CLK/ETH_RMII__REF_CLK,,,,EVENTOUT
PortA,PA2,,TIM2_CH3,TIM5_CH3,TIM9_CH1,,,,USART2_TX,,,,ETH_MDIO,,,,EVENTOUT
PortA,PA3,,TIM2_CH4,TIM5_CH4,TIM9_CH2,,,,USART2_RX,,,OTG_HS_ULPI_D0,ETH_MII_COL,,,,EVENTOUT
PortA,PA4,,,,,,SPI1_NSS,SPI3_NSS/I2S3_WS,USART2_CK,,,,,OTG_HS_SOF,DCMI_HSYNC,,EVENTOUT
PortA,PA5,,TIM2_CH1_ETR,,TIM8_CH1N,,SPI1_SCK,,,,,OTG_HS_ULPI_CK,,,,,EVENTOUT
PortA,PA6,,TIM1_BKIN,TIM3_CH1,TIM8_BKIN,,SPI1_MISO,,,,TIM13_CH1,,,,DCMI_PIXCK,,EVENTOUT
PortA,PA7,,TIM1_CH1N,TIM3_CH2,TIM8_CH1N,,SPI1_MOSI,,,,TIM14_CH1,,ETH_MII_RX_DV/ETH_RMII_CRS_DV,,,,EVENTOUT
,,SYS,TIM1/2,TIM3/4/5,TIM8/9/10/11,I2C1/2/3,SPI1/SPI2/I2S2/I2S2ext,SPI3/I2Sext/I2S3,USART1/2/3/I2S3ext,UART4/5/USART6,CAN1/CAN2/TIM12/13/14,OTG_FS/OTG_HS,ETH,FSMC/SDIO/OTG_FS,DCMI,,,ADC
PortA,PA0,,TIM2_CH1_ETR,TIM5_CH1,TIM8_ETR,,,,USART2_CTS,UART4_TX,,,ETH_MII_CRS,,,,EVENTOUT,ADC123_IN0
PortA,PA1,,TIM2_CH2,TIM5_CH2,,,,,USART2_RTS,UART4_RX,,,ETH_MII_RX_CLK/ETH_RMII__REF_CLK,,,,EVENTOUT,ADC123_IN1
PortA,PA2,,TIM2_CH3,TIM5_CH3,TIM9_CH1,,,,USART2_TX,,,,ETH_MDIO,,,,EVENTOUT,ADC123_IN2
PortA,PA3,,TIM2_CH4,TIM5_CH4,TIM9_CH2,,,,USART2_RX,,,OTG_HS_ULPI_D0,ETH_MII_COL,,,,EVENTOUTADC123_IN3
PortA,PA4,,,,,,SPI1_NSS,SPI3_NSS/I2S3_WS,USART2_CK,,,,,OTG_HS_SOF,DCMI_HSYNC,,EVENTOUT,ADC12_IN4
PortA,PA5,,TIM2_CH1_ETR,,TIM8_CH1N,,SPI1_SCK,,,,,OTG_HS_ULPI_CK,,,,,EVENTOUT,ADC12_IN5
PortA,PA6,,TIM1_BKIN,TIM3_CH1,TIM8_BKIN,,SPI1_MISO,,,,TIM13_CH1,,,,DCMI_PIXCK,,EVENTOUT,ADC12_IN6
PortA,PA7,,TIM1_CH1N,TIM3_CH2,TIM8_CH1N,,SPI1_MOSI,,,,TIM14_CH1,,ETH_MII_RX_DV/ETH_RMII_CRS_DV,,,,EVENTOUT,ADC12_IN7
PortA,PA8,MCO1,TIM1_CH1,,,I2C3_SCL,,,USART1_CK,,,OTG_FS_SOF,,,,,EVENTOUT
PortA,PA9,,TIM1_CH2,,,I2C3_SMBA,,,USART1_TX,,,,,,DCMI_D0,,EVENTOUT
PortA,PA10,,TIM1_CH3,,,,,,USART1_RX,,,OTG_FS_ID,,,DCMI_D1,,EVENTOUT
......@@ -16,8 +16,8 @@ PortA,PA12,,TIM1_ETR,,,,,,USART1_RTS,,CAN1_TX,OTG_FS_DP,,,,,EVENTOUT
PortA,PA13,JTMS-SWDIO,,,,,,,,,,,,,,,EVENTOUT
PortA,PA14,JTCK-SWCLK,,,,,,,,,,,,,,,EVENTOUT
PortA,PA15,JTDI,TIM2_CH1/TIM2_ETR,,,,SPI1_NSS,SPI3_NSS/I2S3_WS,,,,,,,,,EVENTOUT
PortB,PB0,,TIM1_CH2N,TIM3_CH3,TIM8_CH2N,,,,,,,OTG_HS_ULPI_D1,ETH_MII_RXD2,,,,EVENTOUT
PortB,PB1,,TIM1_CH3N,TIM3_CH4,TIM8_CH3N,,,,,,,OTG_HS_ULPI_D2,ETH_MII_RXD3,,,,EVENTOUT
PortB,PB0,,TIM1_CH2N,TIM3_CH3,TIM8_CH2N,,,,,,,OTG_HS_ULPI_D1,ETH_MII_RXD2,,,,EVENTOUT,AC12_IN8
PortB,PB1,,TIM1_CH3N,TIM3_CH4,TIM8_CH3N,,,,,,,OTG_HS_ULPI_D2,ETH_MII_RXD3,,,,EVENTOUT,ADC12_IN9
PortB,PB2,,,,,,,,,,,,,,,,EVENTOUT
PortB,PB3,JTDO/TRACESWO,TIM2_CH2,,,,SPI1_SCK,SPI3_SCKI2S3_CK,,,,,,,,,EVENTOUT
PortB,PB4,NJTRST,,TIM3_CH1,,,SPI1_MISO,SPI3_MISO,I2S3ext_SD,,,,,,,,EVENTOUT
......@@ -32,12 +32,12 @@ PortB,PB12,,TIM1_BKIN,,,I2C2_SMBA,SPI2_NSS/I2S2_WS,,USART3_CK,,CAN2_RX,OTG_HS_UL
PortB,PB13,,TIM1_CH1N,,,,SPI2_SCKI2S2_CK,,USART3_CTS,,CAN2_TX,OTG_HS_ULPI_D6,ETH_MII_TXD1/ETH_RMII_TXD1,,,,EVENTOUT
PortB,PB14,,TIM1_CH2N,,TIM8_CH2N,,SPI2_MISO,I2S2ext_SD,USART3_RTS,,TIM12_CH1,,,OTG_HS_DM,,,EVENTOUT
PortB,PB15,RTC_REFIN,TIM1_CH3N,,TIM8_CH3N,,SPI2_MOSI/I2S2_SD,,,,TIM12_CH2,,,OTG_HS_DP,,,EVENTOUT
PortC,PC0,,,,,,,,,,,OTG_HS_ULPI_STP,,,,,EVENTOUT
PortC,PC1,,,,,,,,,,,,ETH_MDC,,,,EVENTOUT
PortC,PC2,,,,,,SPI2_MISO,I2S2ext_SD,,,,OTG_HS_ULPI_DIR,ETH_MII_TXD2,,,,EVENTOUT
PortC,PC3,,,,,,SPI2_MOSI/I2S2_SD,,,,,OTG_HS_ULPI_NXT,ETH_MII_TX_CLK,,,,EVENTOUT
PortC,PC4,,,,,,,,,,,,ETH_MII_RXD0/ETH_RMII_RXD0,,,,EVENTOUT
PortC,PC5,,,,,,,,,,,,ETH_MII_RXD1/ETH_RMII_RXD1,,,,EVENTOUT
PortC,PC0,,,,,,,,,,,OTG_HS_ULPI_STP,,,,,EVENTOUT,ADC123_IN10
PortC,PC1,,,,,,,,,,,,ETH_MDC,,,,EVENTOUT,ADC123_IN11
PortC,PC2,,,,,,SPI2_MISO,I2S2ext_SD,,,,OTG_HS_ULPI_DIR,ETH_MII_TXD2,,,,EVENTOUT,ADC123_IN12
PortC,PC3,,,,,,SPI2_MOSI/I2S2_SD,,,,,OTG_HS_ULPI_NXT,ETH_MII_TX_CLK,,,,EVENTOUT,ADC123_IN13
PortC,PC4,,,,,,,,,,,,ETH_MII_RXD0/ETH_RMII_RXD0,,,,EVENTOUT,ADC123_IN14
PortC,PC5,,,,,,,,,,,,ETH_MII_RXD1/ETH_RMII_RXD1,,,,EVENTOUT,ADC123_IN15
PortC,PC6,,,TIM3_CH1,TIM8_CH1,,I2S2_MCK,,,USART6_TX,,,,SDIO_D6,DCMI_D0,,EVENTOUT
PortC,PC7,,,TIM3_CH2,TIM8_CH2,,,I2S3_MCK,,USART6_RX,,,,SDIO_D7,DCMI_D1,,EVENTOUT
PortC,PC8,,,TIM3_CH3,TIM8_CH3,,,,,USART6_CK,,,,SDIO_D0,DCMI_D2,,EVENTOUT
......@@ -83,14 +83,14 @@ PortE,PE15,,TIM1_BKIN,,,,,,,,,,,FSMC_D12,,,EVENTOUT
PortF,PF0,,,,,I2C2_SDA,,,,,,,,FSMC_A0,,,EVENTOUT
PortF,PF1,,,,,I2C2_SCL,,,,,,,,FSMC_A1,,,EVENTOUT
PortF,PF2,,,,,I2C2_SMBA,,,,,,,,FSMC_A2,,,EVENTOUT
PortF,PF3,,,,,,,,,,,,,FSMC_A3,,,EVENTOUT
PortF,PF4,,,,,,,,,,,,,FSMC_A4,,,EVENTOUT
PortF,PF5,,,,,,,,,,,,,FSMC_A5,,,EVENTOUT
PortF,PF6,,,,TIM10_CH1,,,,,,,,,FSMC_NIORD,,,EVENTOUT
PortF,PF7,,,,TIM11_CH1,,,,,,,,,FSMC_NREG,,,EVENTOUT
PortF,PF8,,,,,,,,,,TIM13_CH1,,,FSMC_NIOWR,,,EVENTOUT
PortF,PF9,,,,,,,,,,TIM14_CH1,,,FSMC_CD,,,EVENTOUT
PortF,PF10,,,,,,,,,,,,,FSMC_INTR,,,EVENTOUT
PortF,PF3,,,,,,,,,,,,,FSMC_A3,,,EVENTOUT,ADC3_IN9
PortF,PF4,,,,,,,,,,,,,FSMC_A4,,,EVENTOUT,ADC3_IN14
PortF,PF5,,,,,,,,,,,,,FSMC_A5,,,EVENTOUT,ADC3_IN15
PortF,PF6,,,,TIM10_CH1,,,,,,,,,FSMC_NIORD,,,EVENTOUT,ADC3_IN4
PortF,PF7,,,,TIM11_CH1,,,,,,,,,FSMC_NREG,,,EVENTOUT,ADC3_IN5
PortF,PF8,,,,,,,,,,TIM13_CH1,,,FSMC_NIOWR,,,EVENTOUT,ADC3_IN6
PortF,PF9,,,,,,,,,,TIM14_CH1,,,FSMC_CD,,,EVENTOUT,ADC3_IN7
PortF,PF10,,,,,,,,,,,,,FSMC_INTR,,,EVENTOUT,ADC3_IN8
PortF,PF11,,,,,,,,,,,,,,DCMI_D12,,EVENTOUT
PortF,PF12,,,,,,,,,,,,,FSMC_A6,,,EVENTOUT
PortF,PF13,,,,,,,,,,,,,FSMC_A7,,,EVENTOUT
......
......@@ -21,7 +21,7 @@
.af_fn = (af_ptr) \
}
#define PIN(p_port, p_pin, p_num_af, p_af) \
#define PIN(p_port, p_pin, p_num_af, p_af, p_adc_num, p_adc_channel) \
{ \
{ &pin_obj_type }, \
.name = #p_port #p_pin, \
......@@ -31,4 +31,6 @@
.pin_mask = (1 << ((p_pin) & 0x0f)), \
.gpio = GPIO ## p_port, \
.af = p_af, \
.adc_num = p_adc_num, \
.adc_channel = p_adc_channel, \
}
......@@ -26,9 +26,7 @@
// def callback(line):
// print("line =", line)
//
// # Configure the pin as a GPIO input.
// pin = pyb.Pin.board.X1
// pyb.gpio_in(pin, pyb.PULL_UP)
// # Note: Exti will automatically configure the gpio line as an input.
// exti = pyb.Exti(pin, pyb.Exti.MODE_IRQ_FALLING, pyb.PULLUP, callback)
//
// Now every time a falling edge is seen on the X1 pin, the callback will be
......
......@@ -50,6 +50,12 @@ enum {
AF_PIN_TYPE_SPI_NSS,
};
enum {
PIN_ADC1 = (1 << 0),
PIN_ADC2 = (1 << 1),
PIN_ADC3 = (1 << 2),
};
typedef struct {
mp_obj_base_t base;
uint8_t idx;
......@@ -70,9 +76,11 @@ typedef struct {
typedef struct {
mp_obj_base_t base;
const char *name;
uint16_t port : 4;
uint16_t pin : 4;
uint16_t num_af : 4;
uint16_t port : 4;
uint16_t pin : 4;
uint16_t num_af : 4;
uint16_t adc_channel : 4;
uint16_t adc_num : 3; // 1 bit per ADC
uint16_t pin_mask;
GPIO_TypeDef *gpio;
const pin_af_obj_t *af;
......
......@@ -20,6 +20,7 @@
#include "rng.h"
#include "rtc.h"
#include "usart.h"
#include "adc.h"
#include "storage.h"
#include "sdcard.h"
#include "accel.h"
......@@ -28,7 +29,6 @@
#if 0
#include "usb.h"
#include "i2c.h"
#include "adc.h"
#endif
#include "pybmodule.h"
#include "ff.h"
......@@ -265,10 +265,8 @@ STATIC const mp_map_elem_t pyb_module_globals_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR_I2C), (mp_obj_t)&pyb_I2C_obj },
#endif
{ MP_OBJ_NEW_QSTR(MP_QSTR_Usart), (mp_obj_t)&pyb_Usart_obj },
#if 0
{ MP_OBJ_NEW_QSTR(MP_QSTR_ADC_all), (mp_obj_t)&pyb_ADC_all_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_ADC), (mp_obj_t)&pyb_ADC_obj },
#endif
#if MICROPY_HW_ENABLE_DAC
{ MP_OBJ_NEW_QSTR(MP_QSTR_DAC), (mp_obj_t)&pyb_dac_type },
......
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