liz/flipperzero-firmware
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FL-176 LF RFID RX (#248)

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* pulldown ibutton pin during rfid read
* enable and handle COMP interrupts
* send events from comparator IRQ and handle in app
* manchester encode
* successfully read em4100
* read-emulate
* led
This commit is contained in:
coreglitch
2020-11-19 14:11:03 +03:00
committed by GitHub
parent 27ae2a8fa9
commit ccd40497eb
7 changed files with 288 additions and 58 deletions
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13
firmware/targets/f3/Src/comp.c
View File

@@ -31,14 +31,14 @@ void MX_COMP1_Init(void)
{
hcomp1.Instance = COMP1;
hcomp1.Init.InputMinus = COMP_INPUT_MINUS_1_2VREFINT;
hcomp1.Init.InputMinus = COMP_INPUT_MINUS_1_4VREFINT;
hcomp1.Init.InputPlus = COMP_INPUT_PLUS_IO1;
hcomp1.Init.OutputPol = COMP_OUTPUTPOL_NONINVERTED;
hcomp1.Init.Hysteresis = COMP_HYSTERESIS_NONE;
hcomp1.Init.Hysteresis = COMP_HYSTERESIS_HIGH;
hcomp1.Init.BlankingSrce = COMP_BLANKINGSRC_NONE;
hcomp1.Init.Mode = COMP_POWERMODE_HIGHSPEED;
hcomp1.Init.Mode = COMP_POWERMODE_MEDIUMSPEED;
hcomp1.Init.WindowMode = COMP_WINDOWMODE_DISABLE;
hcomp1.Init.TriggerMode = COMP_TRIGGERMODE_NONE;
hcomp1.Init.TriggerMode = COMP_TRIGGERMODE_IT_RISING_FALLING;
if (HAL_COMP_Init(&hcomp1) != HAL_OK)
{
Error_Handler();
@@ -65,6 +65,9 @@ void HAL_COMP_MspInit(COMP_HandleTypeDef* compHandle)
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(RFID_RF_IN_GPIO_Port, &GPIO_InitStruct);
/* COMP1 interrupt Init */
HAL_NVIC_SetPriority(COMP_IRQn, 5, 0);
HAL_NVIC_EnableIRQ(COMP_IRQn);
/* USER CODE BEGIN COMP1_MspInit 1 */
/* USER CODE END COMP1_MspInit 1 */
@@ -85,6 +88,8 @@ void HAL_COMP_MspDeInit(COMP_HandleTypeDef* compHandle)
*/
HAL_GPIO_DeInit(RFID_RF_IN_GPIO_Port, RFID_RF_IN_Pin);
/* COMP1 interrupt Deinit */
HAL_NVIC_DisableIRQ(COMP_IRQn);
/* USER CODE BEGIN COMP1_MspDeInit 1 */
/* USER CODE END COMP1_MspDeInit 1 */

1
firmware/targets/f3/Src/spi.c
View File

@@ -19,7 +19,6 @@
/* Includes ------------------------------------------------------------------*/
#include "spi.h"
#include "cmsis_os.h"
/* USER CODE BEGIN 0 */
void Enable_SPI(SPI_HandleTypeDef* spi);

15
firmware/targets/f3/Src/stm32wbxx_it.c
View File

@@ -57,6 +57,7 @@
/* External variables --------------------------------------------------------*/
extern PCD_HandleTypeDef hpcd_USB_FS;
extern COMP_HandleTypeDef hcomp1;
extern TIM_HandleTypeDef htim1;
extern TIM_HandleTypeDef htim2;
extern TIM_HandleTypeDef htim17;
@@ -206,6 +207,20 @@ void USB_LP_IRQHandler(void)
/* USER CODE END USB_LP_IRQn 1 */
}
/**
* @brief This function handles COMP1 and COMP2 interrupts through EXTI lines 20 and 21.
*/
void COMP_IRQHandler(void)
{
/* USER CODE BEGIN COMP_IRQn 0 */
/* USER CODE END COMP_IRQn 0 */
HAL_COMP_IRQHandler(&hcomp1);
/* USER CODE BEGIN COMP_IRQn 1 */
/* USER CODE END COMP_IRQn 1 */
}
/**
* @brief This function handles EXTI line[9:5] interrupts.
*/