Diff: targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/analogin_api.c

Revision:

267:8673334f2cbe

Parent:

266:69e8a32876bd

Child:

268:402bcc0c870b

--- a/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/analogin_api.c	Thu Jul 24 12:00:06 2014 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,94 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2013 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
- *
- * 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.
- */
-#include "mbed_assert.h"
-#include "analogin_api.h"
-
-#include "cmsis.h"
-#include "pinmap.h"
-#include "PeripheralNames.h"
-#include "fsl_adc_hal.h"
-#include "fsl_clock_manager.h"
-
-#define MAX_FADC 6000000
-
-static const PinMap PinMap_ADC[] = {
-    {PTC2,  ADC0_SE4b, 0},
-    {PTC8,  ADC1_SE4b, 0},
-    {PTC9,  ADC1_SE5b, 0},
-    {PTD1,  ADC0_SE5b, 0},
-    {PTC10, ADC1_SE6b, 0},
-    {PTD5,  ADC0_SE6b, 0},
-    {PTC11, ADC1_SE7b, 0},
-    {PTD6,  ADC0_SE7b, 0},
-    {PTB0 , ADC0_SE8 , 0},
-    {PTB1 , ADC0_SE9 , 0},
-    {PTB2 , ADC0_SE12, 0},
-    {PTB3 , ADC0_SE13, 0},
-    {PTC0 , ADC0_SE14, 0},
-    {PTB10, ADC1_SE14, 0},
-    {PTB11, ADC1_SE15, 0},
-    {PTC1 , ADC0_SE15, 0},
-    {PTA17, ADC1_SE17, 0},
-    //{PTE24, ADC0_SE17, 0}, //I2C pull up
-    //{PTE25, ADC0_SE18, 0}, //I2C pull up
-    {NC   , NC       , 0}
-};
-
-void analogin_init(analogin_t *obj, PinName pin) {
-    obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC);
-    MBED_ASSERT(obj->adc != (ADCName)NC);
-
-    uint32_t instance = obj->adc >> ADC_INSTANCE_SHIFT;
-
-    clock_manager_set_gate(kClockModuleADC, instance, true);
-
-    uint32_t bus_clock;
-    clock_manager_get_frequency(kBusClock, &bus_clock);
-    uint32_t clkdiv;
-    for (clkdiv = 0; clkdiv < 4; clkdiv++) {
-        if ((bus_clock >> clkdiv) <= MAX_FADC)
-            break;
-    }
-    if (clkdiv == 4) {
-        clkdiv = 0x7; //Set max div
-    }
-    /* adc is enabled/triggered when reading. */
-    adc_hal_set_clock_source_mode(instance, (adc_clock_source_mode_t)(clkdiv >> 2));
-    adc_hal_set_clock_divider_mode(instance, (adc_clock_divider_mode_t)(clkdiv & 0x3));
-    adc_hal_set_reference_voltage_mode(instance, kAdcVoltageVref);
-    adc_hal_set_resolution_mode(instance, kAdcSingleDiff16);
-    adc_hal_configure_continuous_conversion(instance, false);
-    adc_hal_configure_hw_trigger(instance, false); /* sw trigger */
-    adc_hal_configure_hw_average(instance, true);
-    adc_hal_set_hw_average_mode(instance, kAdcHwAverageCount4);
-    adc_hal_set_group_mux(instance, kAdcChannelMuxB); /* only B channels are avail */
-
-    pinmap_pinout(pin, PinMap_ADC);
-}
-
-uint16_t analogin_read_u16(analogin_t *obj) {
-    uint32_t instance = obj->adc >> ADC_INSTANCE_SHIFT;
-    /* sw trigger (SC1A) */
-    adc_hal_enable(instance, 0, (adc_channel_mode_t)(obj->adc & 0xF), false);
-    while (!adc_hal_is_conversion_completed(instance, 0));
-    return adc_hal_get_conversion_value(instance, 0);
-}
-
-float analogin_read(analogin_t *obj) {
-    uint16_t value = analogin_read_u16(obj);
-    return (float)value * (1.0f / (float)0xFFFF);
-}
-