Files @ c941d532caa0
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Location: therm/gpio.c - annotation

Ethan Zonca
Added dummy system files, need to generate with the cube or spreadsheet
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#include "gpio.h"
#include "config.h"

extern volatile uint32_t ticks;

// Increase on each press, and increase at a fast rate after duration elapsed of continuously holding down... somehow...
uint32_t change_time_reset = 0;

void user_input(uint16_t* to_modify)
{
    if(CHANGE_ELAPSED) {
        if(!GPIO_ReadInputDataBit(SW_UP) ) {
            CHANGE_RESET;
            (*to_modify)++;
        }
        else if(!GPIO_ReadInputDataBit(SW_DOWN) && (*to_modify) > 0) {
            CHANGE_RESET;
            (*to_modify)--;
        }
    }
}


void init_gpio(void) {

 GPIO_InitTypeDef GPIO_InitStruct;

  // Enable SPI clocks
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);

  // Enable GPIO clocks
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC|RCC_AHBPeriph_GPIOB|RCC_AHBPeriph_GPIOA, ENABLE);

  // Enable DMA clocks (Is AHB even the right thing???)
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); // EMZ TODO get the right ones

  /*Configure GPIO pin : PC */
  GPIO_InitStruct.GPIO_Pin = GPIO_Pin_13;
  GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
  GPIO_InitStruct.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
  GPIO_InitStruct.GPIO_Speed = GPIO_Speed_400KHz;
  GPIO_Init(GPIOC, &GPIO_InitStruct);

  /*Configure GPIO pin : PB */
  GPIO_InitStruct.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_10|GPIO_Pin_12 
                          |GPIO_Pin_9;
  GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
  GPIO_InitStruct.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
  GPIO_InitStruct.GPIO_Speed = GPIO_Speed_400KHz;
  GPIO_Init(GPIOB, &GPIO_InitStruct);

  /*Configure GPIO pin : PA */
  GPIO_InitStruct.GPIO_Pin = GPIO_Pin_15;
  GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
  GPIO_InitStruct.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
  GPIO_InitStruct.GPIO_Speed = GPIO_Speed_400KHz;
  GPIO_Init(GPIOA, &GPIO_InitStruct);

  /*Configure GPIO pin : PB */
  GPIO_InitStruct.GPIO_Pin = GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6 
                          |GPIO_Pin_7;
  GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN;
  GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_UP;
  GPIO_Init(GPIOB, &GPIO_InitStruct);

  /** SPI1 GPIO Configuration  
  PA5   ------> SPI1_SCK
  PA7   ------> SPI1_MOSI
  */

  /*Enable or disable the AHB peripheral clock */
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);

  /*Configure GPIO pin : PA: MOSI,SCK */
  GPIO_InitStruct.GPIO_Pin = GPIO_Pin_5|GPIO_Pin_7;
  GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF;
  GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
  GPIO_InitStruct.GPIO_Speed = GPIO_Speed_10MHz;
  GPIO_Init(GPIOA, &GPIO_InitStruct);

  /*Configure GPIO pin alternate function */
  GPIO_PinAFConfig(GPIOA, GPIO_PinSource5, GPIO_AF_SPI1);

  /*Configure GPIO pin alternate function */
  GPIO_PinAFConfig(GPIOA, GPIO_PinSource7, GPIO_AF_SPI1);

  /** SPI2 GPIO Configuration  
  PB13   ------> SPI2_SCK
  PB14   ------> SPI2_MISO
  PB15   ------> SPI2_MOSI
  */

  /*Enable or disable the AHB peripheral clock */
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);

// SPI PINSSS

  /*Configure GPIO pin : PB, MOSI, SCK */
  GPIO_InitStruct.GPIO_Pin = GPIO_Pin_13|GPIO_Pin_15;
  GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF;
  GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
  GPIO_InitStruct.GPIO_Speed = GPIO_Speed_10MHz;
  GPIO_Init(GPIOB, &GPIO_InitStruct);

 GPIO_InitTypeDef GPIO_InitStruct2;
// MISO
  GPIO_InitStruct2.GPIO_Pin = GPIO_Pin_14;
  GPIO_InitStruct2.GPIO_Mode = GPIO_Mode_AF;
  GPIO_InitStruct2.GPIO_PuPd = GPIO_PuPd_NOPULL;
  GPIO_InitStruct2.GPIO_Speed = GPIO_Speed_10MHz;
  GPIO_Init(GPIOB, &GPIO_InitStruct2);


  //Configure GPIO pin alternate function 
  GPIO_PinAFConfig(GPIOB, GPIO_PinSource13, GPIO_AF_SPI2);
  GPIO_PinAFConfig(GPIOB, GPIO_PinSource14, GPIO_AF_SPI2);
  GPIO_PinAFConfig(GPIOB, GPIO_PinSource15, GPIO_AF_SPI2);


  /** USB GPIO Configuration  
  PA11   ------> USB_DM
  PA12   ------> USB_DP
  */

  /*Enable or disable the AHB peripheral clock */
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);

  GPIO_InitTypeDef GPIO_InitStruct3;
  
  /*Configure GPIO pin : PA */
  GPIO_InitStruct3.GPIO_Pin = GPIO_Pin_11|GPIO_Pin_12;
  GPIO_InitStruct3.GPIO_Mode = GPIO_Mode_AF;
  GPIO_InitStruct3.GPIO_PuPd = GPIO_PuPd_NOPULL;
  GPIO_InitStruct3.GPIO_Speed = GPIO_Speed_10MHz;
  GPIO_InitStruct3.GPIO_OType = GPIO_OType_PP;
  GPIO_Init(GPIOA, &GPIO_InitStruct3);
  GPIO_SetBits(GPIOA, GPIO_Pin_12); // emz test
  GPIO_PinAFConfig(GPIOA, GPIO_PinSource11, GPIO_AF_USB);
  GPIO_PinAFConfig(GPIOA, GPIO_PinSource12, GPIO_AF_USB);
}

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