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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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