Mouse code for the MacroRat
Diff: mbed-dev/targets/TARGET_ARM_SSG/TARGET_IOTSS/analogin_api.c
- Revision:
- 18:6a4db94011d3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-dev/targets/TARGET_ARM_SSG/TARGET_IOTSS/analogin_api.c Sun May 14 23:18:57 2017 +0000 @@ -0,0 +1,110 @@ +/* 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; +} +