mirror of https://github.com/ARMmbed/mbed-os.git
STM32L1xx - Add support of ADC internal channels (Temperature, VRef)
parent
49fe84ccd0
commit
50cb26040a
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@ -59,6 +59,8 @@ const PinMap PinMap_ADC[] = {
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{PC_3, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 13, 0)}, // ADC_IN13
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{PC_4, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 14, 0)}, // ADC_IN14
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{PC_5, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 15, 0)}, // ADC_IN15
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{ADC_TEMP, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 16, 0)},
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{ADC_VREF, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 17, 0)},
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{NC, NC, 0}
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};
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@ -133,6 +133,10 @@ typedef enum {
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//PH_0 = 0x70,
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//PH_1 = 0x71,
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// ADC internal channels
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ADC_TEMP = 0xF0,
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ADC_VREF = 0xF1,
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// Arduino connector namings
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A0 = PA_0,
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A1 = PA_1,
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@ -59,6 +59,8 @@ const PinMap PinMap_ADC[] = {
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{PC_3, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 13, 0)}, // ADC_IN13
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{PC_4, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 14, 0)}, // ADC_IN14
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{PC_5, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 15, 0)}, // ADC_IN15
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{ADC_TEMP, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 16, 0)},
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{ADC_VREF, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 17, 0)},
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{NC, NC, 0}
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};
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@ -133,6 +133,10 @@ typedef enum {
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PH_0 = 0x70,
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PH_1 = 0x71,
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// ADC internal channels
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ADC_TEMP = 0xF0,
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ADC_VREF = 0xF1,
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// Arduino connector namings
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A0 = PA_0,
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A1 = PA_1,
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@ -59,6 +59,8 @@ const PinMap PinMap_ADC[] = {
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{PC_3, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 13, 0)}, // ADC_IN13
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{PC_4, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 14, 0)}, // ADC_IN14
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{PC_5, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 15, 0)}, // ADC_IN15
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{ADC_TEMP, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 16, 0)},
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{ADC_VREF, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 17, 0)},
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{NC, NC, 0}
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};
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@ -133,6 +133,10 @@ typedef enum {
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PH_0 = 0x70,
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PH_1 = 0x71,
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// ADC internal channels
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ADC_TEMP = 0xF0,
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ADC_VREF = 0xF1,
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// Generic signals namings
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LED1 = PB_2,
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LED2 = PB_2,
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@ -49,6 +49,8 @@ const PinMap PinMap_ADC[] = {
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{PB_13, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 19, 0)}, // ADC_IN19
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{PB_14, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 20, 0)}, // ADC_IN20
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{PB_15, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 21, 0)}, // ADC_IN21
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{ADC_TEMP, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 16, 0)},
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{ADC_VREF, ADC_1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 17, 0)},
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{NC, NC, 0}
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};
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@ -133,6 +133,10 @@ typedef enum {
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PH_0 = 0x70,
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PH_1 = 0x71,
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// ADC internal channels
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ADC_TEMP = 0xF0,
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ADC_VREF = 0xF1,
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// GPIOs
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GPIO0 = PA_4, // analog out capable, analog in capable
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GPIO1 = PA_5, // analog out capable, analog in capable
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@ -53,8 +53,10 @@ void analogin_init(analogin_t *obj, PinName pin)
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MBED_ASSERT(function != (uint32_t)NC);
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obj->channel = STM_PIN_CHANNEL(function);
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// Configure GPIO
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// Configure GPIO excepted for internal channels (Temperature, Vref)
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if ((obj->channel != 16) && (obj->channel != 17)) {
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pinmap_pinout(pin, PinMap_ADC);
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}
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// Save pin number for the read function
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obj->pin = pin;
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@ -154,10 +156,10 @@ static inline uint16_t adc_read(analogin_t *obj)
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sConfig.Channel = ADC_CHANNEL_15;
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break;
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case 16:
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sConfig.Channel = ADC_CHANNEL_16;
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sConfig.Channel = ADC_CHANNEL_TEMPSENSOR;
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break;
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case 17:
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sConfig.Channel = ADC_CHANNEL_17;
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sConfig.Channel = ADC_CHANNEL_VREFINT;
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break;
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case 18:
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sConfig.Channel = ADC_CHANNEL_18;
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