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
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@@ -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 */