MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_ARM_SSG/TARGET_IOTSS/analogin_api.c@46:b156ef445742, 2017-06-03 (annotated)

Committer:
sahilmgandhi
Date:
Sat Jun 03 00:22:44 2017 +0000
Revision:
46:b156ef445742
Parent:
18:6a4db94011d3 
Final code for internal battlebot competition.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sahilmgandhi 18:6a4db94011d3 1 /* mbed Microcontroller Library
sahilmgandhi 18:6a4db94011d3 2 * Copyright (c) 2006-2015 ARM Limited
sahilmgandhi 18:6a4db94011d3 3 *
sahilmgandhi 18:6a4db94011d3 4 * Licensed under the Apache License, Version 2.0 (the "License");
sahilmgandhi 18:6a4db94011d3 5 * you may not use this file except in compliance with the License.
sahilmgandhi 18:6a4db94011d3 6 * You may obtain a copy of the License at
sahilmgandhi 18:6a4db94011d3 7 *
sahilmgandhi 18:6a4db94011d3 8 * http://www.apache.org/licenses/LICENSE-2.0
sahilmgandhi 18:6a4db94011d3 9 *
sahilmgandhi 18:6a4db94011d3 10 * Unless required by applicable law or agreed to in writing, software
sahilmgandhi 18:6a4db94011d3 11 * distributed under the License is distributed on an "AS IS" BASIS,
sahilmgandhi 18:6a4db94011d3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sahilmgandhi 18:6a4db94011d3 13 * See the License for the specific language governing permissions and
sahilmgandhi 18:6a4db94011d3 14 * limitations under the License.
sahilmgandhi 18:6a4db94011d3 15 */
sahilmgandhi 18:6a4db94011d3 16 #include "mbed_assert.h"
sahilmgandhi 18:6a4db94011d3 17 #include "analogin_api.h"
sahilmgandhi 18:6a4db94011d3 18
sahilmgandhi 18:6a4db94011d3 19 #include "cmsis.h"
sahilmgandhi 18:6a4db94011d3 20 #include "pinmap.h"
sahilmgandhi 18:6a4db94011d3 21
sahilmgandhi 18:6a4db94011d3 22 #define ADC_12BIT_RANGE 0xFFF
sahilmgandhi 18:6a4db94011d3 23
sahilmgandhi 18:6a4db94011d3 24 static const PinMap PinMap_ADC[] = {
sahilmgandhi 18:6a4db94011d3 25 {A0_0, ADC0_0, 0},
sahilmgandhi 18:6a4db94011d3 26 {A0_1, ADC0_1, 0},
sahilmgandhi 18:6a4db94011d3 27 {A0_2, ADC0_2, 0},
sahilmgandhi 18:6a4db94011d3 28 {A0_3, ADC0_3, 0},
sahilmgandhi 18:6a4db94011d3 29 {A0_4, ADC0_4, 0},
sahilmgandhi 18:6a4db94011d3 30 {A0_5, ADC0_5, 0},
sahilmgandhi 18:6a4db94011d3 31 {A1_0, ADC0_6, 0},
sahilmgandhi 18:6a4db94011d3 32 {A1_1, ADC0_7, 0},
sahilmgandhi 18:6a4db94011d3 33 {A1_2, ADC0_8, 0},
sahilmgandhi 18:6a4db94011d3 34 {A1_3, ADC0_9, 0},
sahilmgandhi 18:6a4db94011d3 35 {A1_4, ADC0_10, 0},
sahilmgandhi 18:6a4db94011d3 36 {A1_5, ADC0_11, 0},
sahilmgandhi 18:6a4db94011d3 37 {NC, NC, 0}
sahilmgandhi 18:6a4db94011d3 38 };
sahilmgandhi 18:6a4db94011d3 39
sahilmgandhi 18:6a4db94011d3 40 static const PinMap PinMap_SPI_SCLK[] = {
sahilmgandhi 18:6a4db94011d3 41 {ADC_SCLK , SPI_3, 0},
sahilmgandhi 18:6a4db94011d3 42 {NC , NC , 0}
sahilmgandhi 18:6a4db94011d3 43 };
sahilmgandhi 18:6a4db94011d3 44
sahilmgandhi 18:6a4db94011d3 45 static const PinMap PinMap_SPI_MOSI[] = {
sahilmgandhi 18:6a4db94011d3 46 {ADC_MOSI, SPI_3, 0},
sahilmgandhi 18:6a4db94011d3 47 {NC , NC , 0}
sahilmgandhi 18:6a4db94011d3 48 };
sahilmgandhi 18:6a4db94011d3 49
sahilmgandhi 18:6a4db94011d3 50 static const PinMap PinMap_SPI_MISO[] = {
sahilmgandhi 18:6a4db94011d3 51 {ADC_MISO, SPI_3, 0},
sahilmgandhi 18:6a4db94011d3 52 {NC , NC , 0}
sahilmgandhi 18:6a4db94011d3 53 };
sahilmgandhi 18:6a4db94011d3 54
sahilmgandhi 18:6a4db94011d3 55 static const PinMap PinMap_SPI_SSEL[] = {
sahilmgandhi 18:6a4db94011d3 56 {ADC_SSEL, SPI_3, 0},
sahilmgandhi 18:6a4db94011d3 57 {NC , NC , 0}
sahilmgandhi 18:6a4db94011d3 58 };
sahilmgandhi 18:6a4db94011d3 59
sahilmgandhi 18:6a4db94011d3 60 #define ADC_RANGE ADC_12BIT_RANGE
sahilmgandhi 18:6a4db94011d3 61 int analog_spi_inited = 0;
sahilmgandhi 18:6a4db94011d3 62
sahilmgandhi 18:6a4db94011d3 63 void analogin_init(analogin_t *obj, PinName pin) {
sahilmgandhi 18:6a4db94011d3 64
sahilmgandhi 18:6a4db94011d3 65 obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC);
sahilmgandhi 18:6a4db94011d3 66 MBED_ASSERT(obj->adc != (ADCName)NC);
sahilmgandhi 18:6a4db94011d3 67 obj->pin = pin;
sahilmgandhi 18:6a4db94011d3 68 obj->pin_number = pin-600;
sahilmgandhi 18:6a4db94011d3 69 obj->address = (0x0000 | (pin-600));
sahilmgandhi 18:6a4db94011d3 70
sahilmgandhi 18:6a4db94011d3 71 SPIName adc_mosi = (SPIName)pinmap_peripheral(ADC_MOSI, PinMap_SPI_MOSI);
sahilmgandhi 18:6a4db94011d3 72 SPIName adc_miso = (SPIName)pinmap_peripheral(ADC_MISO, PinMap_SPI_MISO);
sahilmgandhi 18:6a4db94011d3 73 SPIName adc_sclk = (SPIName)pinmap_peripheral(ADC_SCLK, PinMap_SPI_SCLK);
sahilmgandhi 18:6a4db94011d3 74 SPIName adc_ssel = (SPIName)pinmap_peripheral(ADC_SSEL, PinMap_SPI_SSEL);
sahilmgandhi 18:6a4db94011d3 75 SPIName adc_data = (SPIName)pinmap_merge(adc_mosi, adc_miso);
sahilmgandhi 18:6a4db94011d3 76 SPIName adc_cntl = (SPIName)pinmap_merge(adc_sclk, adc_ssel);
sahilmgandhi 18:6a4db94011d3 77 obj->adc_spi = (MPS2_SSP_TypeDef*)pinmap_merge(adc_data, adc_cntl);
sahilmgandhi 18:6a4db94011d3 78
sahilmgandhi 18:6a4db94011d3 79 if(analog_spi_inited == 0){
sahilmgandhi 18:6a4db94011d3 80 obj->adc_spi->CR1 = 0;
sahilmgandhi 18:6a4db94011d3 81 obj->adc_spi->CR0 = SSP_CR0_SCR_DFLT | SSP_CR0_FRF_MOT | SSP_CR0_DSS_16;
sahilmgandhi 18:6a4db94011d3 82 obj->adc_spi->CPSR = SSP_CPSR_DFLT;
sahilmgandhi 18:6a4db94011d3 83 obj->adc_spi->IMSC = 0x8;
sahilmgandhi 18:6a4db94011d3 84 obj->adc_spi->DMACR = 0;
sahilmgandhi 18:6a4db94011d3 85 obj->adc_spi->CR1 = SSP_CR1_SSE_Msk;
sahilmgandhi 18:6a4db94011d3 86 obj->adc_spi->ICR = 0x3;
sahilmgandhi 18:6a4db94011d3 87 analog_spi_inited = 1;
sahilmgandhi 18:6a4db94011d3 88 }
sahilmgandhi 18:6a4db94011d3 89
sahilmgandhi 18:6a4db94011d3 90 pinmap_pinout(ADC_MOSI, PinMap_SPI_MOSI);
sahilmgandhi 18:6a4db94011d3 91 pinmap_pinout(ADC_MISO, PinMap_SPI_MISO);
sahilmgandhi 18:6a4db94011d3 92 pinmap_pinout(ADC_SCLK, PinMap_SPI_SCLK);
sahilmgandhi 18:6a4db94011d3 93 pinmap_pinout(ADC_SSEL, PinMap_SPI_SSEL);
sahilmgandhi 18:6a4db94011d3 94 pinmap_pinout(pin, PinMap_ADC);
sahilmgandhi 18:6a4db94011d3 95 }
sahilmgandhi 18:6a4db94011d3 96
sahilmgandhi 18:6a4db94011d3 97 static inline uint32_t adc_read(analogin_t *obj) {
sahilmgandhi 18:6a4db94011d3 98 return 0;
sahilmgandhi 18:6a4db94011d3 99 }
sahilmgandhi 18:6a4db94011d3 100
sahilmgandhi 18:6a4db94011d3 101
sahilmgandhi 18:6a4db94011d3 102 float analogin_read(analogin_t *obj) {
sahilmgandhi 18:6a4db94011d3 103 uint32_t value = adc_read(obj);
sahilmgandhi 18:6a4db94011d3 104 return 0;
sahilmgandhi 18:6a4db94011d3 105 }
sahilmgandhi 18:6a4db94011d3 106
sahilmgandhi 18:6a4db94011d3 107 uint16_t analogin_read_u16(analogin_t *obj) {
sahilmgandhi 18:6a4db94011d3 108 return 0;
sahilmgandhi 18:6a4db94011d3 109 }
sahilmgandhi 18:6a4db94011d3 110