mbed library sources. Supersedes mbed-src.
Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more
targets/TARGET_ARM_SSG/TARGET_MPS2/analogin_api.c
- Committer:
- AnnaBridge
- Date:
- 2019-02-20
- Revision:
- 189:f392fc9709a3
- Parent:
- 149:156823d33999
File content as of revision 189:f392fc9709a3:
/* mbed Microcontroller Library * Copyright (c) 2006-2015 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" #define ADC_12BIT_RANGE 0xFFF static const PinMap PinMap_ADC[] = { {A0_0, ADC0_0, 0}, {A0_1, ADC0_1, 0}, {A0_2, ADC0_2, 0}, {A0_3, ADC0_3, 0}, {A0_4, ADC0_4, 0}, {A0_5, ADC0_5, 0}, {A1_0, ADC0_6, 0}, {A1_1, ADC0_7, 0}, {A1_2, ADC0_8, 0}, {A1_3, ADC0_9, 0}, {A1_4, ADC0_10, 0}, {A1_5, ADC0_11, 0}, {NC, NC, 0} }; static const PinMap PinMap_SPI_SCLK[] = { {ADC_SCLK , SPI_3, 0}, {NC , NC , 0} }; static const PinMap PinMap_SPI_MOSI[] = { {ADC_MOSI, SPI_3, 0}, {NC , NC , 0} }; static const PinMap PinMap_SPI_MISO[] = { {ADC_MISO, SPI_3, 0}, {NC , NC , 0} }; static const PinMap PinMap_SPI_SSEL[] = { {ADC_SSEL, SPI_3, 0}, {NC , NC , 0} }; #define ADC_RANGE ADC_12BIT_RANGE int analog_spi_inited = 0; void analogin_init(analogin_t *obj, PinName pin) { obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC); MBED_ASSERT(obj->adc != (ADCName)NC); obj->pin = pin; obj->pin_number = pin-600; obj->address = (0x0000 | (pin-600)); SPIName adc_mosi = (SPIName)pinmap_peripheral(ADC_MOSI, PinMap_SPI_MOSI); SPIName adc_miso = (SPIName)pinmap_peripheral(ADC_MISO, PinMap_SPI_MISO); SPIName adc_sclk = (SPIName)pinmap_peripheral(ADC_SCLK, PinMap_SPI_SCLK); SPIName adc_ssel = (SPIName)pinmap_peripheral(ADC_SSEL, PinMap_SPI_SSEL); SPIName adc_data = (SPIName)pinmap_merge(adc_mosi, adc_miso); SPIName adc_cntl = (SPIName)pinmap_merge(adc_sclk, adc_ssel); obj->adc_spi = (MPS2_SSP_TypeDef*)pinmap_merge(adc_data, adc_cntl); if(analog_spi_inited == 0){ obj->adc_spi->CR1 = 0; obj->adc_spi->CR0 = SSP_CR0_SCR_DFLT | SSP_CR0_FRF_MOT | SSP_CR0_DSS_16; obj->adc_spi->CPSR = SSP_CPSR_DFLT; obj->adc_spi->IMSC = 0x8; obj->adc_spi->DMACR = 0; obj->adc_spi->CR1 = SSP_CR1_SSE_Msk; obj->adc_spi->ICR = 0x3; analog_spi_inited = 1; } pinmap_pinout(ADC_MOSI, PinMap_SPI_MOSI); pinmap_pinout(ADC_MISO, PinMap_SPI_MISO); pinmap_pinout(ADC_SCLK, PinMap_SPI_SCLK); pinmap_pinout(ADC_SSEL, PinMap_SPI_SSEL); pinmap_pinout(pin, PinMap_ADC); } static inline uint32_t adc_read(analogin_t *obj) { return 0; } float analogin_read(analogin_t *obj) { uint32_t value = adc_read(obj); return 0; } uint16_t analogin_read_u16(analogin_t *obj) { return 0; }