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STM32L1xx - Add support of ADC internal channels (Temperature, VRef)

pull/2951/head
bcostm 2016-10-06 17:15:16 +02:00
parent 49fe84ccd0
commit 50cb26040a
9 changed files with 30 additions and 4 deletions
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2
targets/TARGET_STM/TARGET_STM32L1/TARGET_MOTE_L152RC/PeripheralPins.c
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@ -59,6 +59,8 @@ const PinMap PinMap_ADC[] = {
{PC_3, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 13, 0)}, // ADC_IN13
{PC_4, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 14, 0)}, // ADC_IN14
{PC_5, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 15, 0)}, // ADC_IN15
{ADC_TEMP, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 16, 0)},
{ADC_VREF, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 17, 0)},
{NC, NC, 0}
};

4
targets/TARGET_STM/TARGET_STM32L1/TARGET_MOTE_L152RC/PinNames.h
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@ -133,6 +133,10 @@ typedef enum {
//PH_0 = 0x70,
//PH_1 = 0x71,
// ADC internal channels
ADC_TEMP = 0xF0,
ADC_VREF = 0xF1,
// Arduino connector namings
A0 = PA_0,
A1 = PA_1,

2
targets/TARGET_STM/TARGET_STM32L1/TARGET_NUCLEO_L152RE/PeripheralPins.c
View File

@ -59,6 +59,8 @@ const PinMap PinMap_ADC[] = {
{PC_3, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 13, 0)}, // ADC_IN13
{PC_4, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 14, 0)}, // ADC_IN14
{PC_5, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 15, 0)}, // ADC_IN15
{ADC_TEMP, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 16, 0)},
{ADC_VREF, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 17, 0)},
{NC, NC, 0}
};

4
targets/TARGET_STM/TARGET_STM32L1/TARGET_NUCLEO_L152RE/PinNames.h
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@ -133,6 +133,10 @@ typedef enum {
PH_0 = 0x70,
PH_1 = 0x71,
// ADC internal channels
ADC_TEMP = 0xF0,
ADC_VREF = 0xF1,
// Arduino connector namings
A0 = PA_0,
A1 = PA_1,

2
targets/TARGET_STM/TARGET_STM32L1/TARGET_NZ32_SC151/PeripheralPins.c
View File

@ -59,6 +59,8 @@ const PinMap PinMap_ADC[] = {
{PC_3, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 13, 0)}, // ADC_IN13
{PC_4, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 14, 0)}, // ADC_IN14
{PC_5, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 15, 0)}, // ADC_IN15
{ADC_TEMP, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 16, 0)},
{ADC_VREF, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 17, 0)},
{NC, NC, 0}
};

4
targets/TARGET_STM/TARGET_STM32L1/TARGET_NZ32_SC151/PinNames.h
View File

@ -133,6 +133,10 @@ typedef enum {
PH_0 = 0x70,
PH_1 = 0x71,
// ADC internal channels
ADC_TEMP = 0xF0,
ADC_VREF = 0xF1,
// Generic signals namings
LED1 = PB_2,
LED2 = PB_2,

2
targets/TARGET_STM/TARGET_STM32L1/TARGET_XDOT_L151CC/PeripheralPins.c
View File

@ -49,6 +49,8 @@ const PinMap PinMap_ADC[] = {
{PB_13, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 19, 0)}, // ADC_IN19
{PB_14, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 20, 0)}, // ADC_IN20
{PB_15, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 21, 0)}, // ADC_IN21
{ADC_TEMP, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 16, 0)},
{ADC_VREF, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 17, 0)},
{NC, NC, 0}
};

4
targets/TARGET_STM/TARGET_STM32L1/TARGET_XDOT_L151CC/PinNames.h
View File

@ -133,6 +133,10 @@ typedef enum {
PH_0 = 0x70,
PH_1 = 0x71,
// ADC internal channels
ADC_TEMP = 0xF0,
ADC_VREF = 0xF1,
// GPIOs
GPIO0 = PA_4, // analog out capable, analog in capable
GPIO1 = PA_5, // analog out capable, analog in capable

10
targets/TARGET_STM/TARGET_STM32L1/analogin_api.c
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@ -53,8 +53,10 @@ void analogin_init(analogin_t *obj, PinName pin)
MBED_ASSERT(function != (uint32_t)NC);
obj->channel = STM_PIN_CHANNEL(function);
// Configure GPIO
pinmap_pinout(pin, PinMap_ADC);
// Configure GPIO excepted for internal channels (Temperature, Vref)
if ((obj->channel != 16) && (obj->channel != 17)) {
pinmap_pinout(pin, PinMap_ADC);
}
// Save pin number for the read function
obj->pin = pin;
@ -154,10 +156,10 @@ static inline uint16_t adc_read(analogin_t *obj)
sConfig.Channel = ADC_CHANNEL_15;
break;
case 16:
sConfig.Channel = ADC_CHANNEL_16;
sConfig.Channel = ADC_CHANNEL_TEMPSENSOR;
break;
case 17:
sConfig.Channel = ADC_CHANNEL_17;
sConfig.Channel = ADC_CHANNEL_VREFINT;
break;
case 18:
sConfig.Channel = ADC_CHANNEL_18;