Stefano Calabretti
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
#include "mmr_can.h"
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#include "mmr_can_util.h"
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MmrCanTickProvider __mmr_can_tickProvider;
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void MMR_CAN_Init(MmrCanTickProvider tickProvider) {
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__mmr_can_tickProvider = tickProvider;
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}
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/**
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* @brief
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* Initializes the filter using the values
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* from MMR_CAN_GetDefaultFilterSettings, and then
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* starts the CAN
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*/
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HalStatus MMR_CAN_BasicSetupAndStart(CanHandle *hcan) {
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return
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MMR_CAN_FilterConfigDefault(hcan) |
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HAL_CAN_Start(hcan)
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;
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}
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HalStatus MMR_CAN_FilterConfig(CanHandle *hcan, MmrCanFilterSettings settings) {
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CanFilter filter = {
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.FilterActivation = settings.enabled
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? CAN_FILTER_ENABLE
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: CAN_FILTER_DISABLE,
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.FilterIdHigh = settings.idMask,
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.FilterMaskIdHigh = settings.idMask,
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.FilterFIFOAssignment = settings.fifo,
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.FilterBank = settings.bank,
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.SlaveStartFilterBank = settings.slaveBankStart,
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.FilterMode = CAN_FILTERMODE_IDMASK,
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.FilterScale = CAN_FILTERSCALE_32BIT,
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};
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return HAL_CAN_ConfigFilter(hcan, &filter);
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}
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MmrCanFilterSettings MMR_CAN_GetDefaultFilterSettings() {
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return (MmrCanFilterSettings) {
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.enabled = true,
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.fifo = MMR_CAN_FILTER_FIFO,
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.idMask = 0,
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.bank = 0,
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.slaveBankStart = 14,
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};
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}
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