63 lines
2.4 KiB
C
63 lines
2.4 KiB
C
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#include <stm32f302xc.h>
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#include <stm32f3xx_hal.h>
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#include <stm32f3xx_hal_conf.h>
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#include <vn-interface/helper.h>
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#include <vn-interface/frames.h>
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#include <can-transceiver-lib/can1.h>
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#include <can-transceiver-lib/endec.hpp>
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#include "canhalal.h"
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template <typename payload_t>
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HAL_StatusTypeDef spi_read(SPI_HandleTypeDef *hspi, vn::pkg_request_read_t *pRequestMOSI, vn::pkg_response_t<payload_t> *pResponseMISO) {
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HAL_StatusTypeDef status = HAL_OK;
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vn::header_t::response_t requestMISO;
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9, GPIO_PIN_RESET);
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status = HAL_SPI_TransmitReceive(hspi, (uint8_t *)(pRequestMOSI),
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(uint8_t *)(&requestMISO), // not relevant, but there to function
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sizeof(*pRequestMOSI), 100);
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9, GPIO_PIN_SET);
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HAL_Delay(1);
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9, GPIO_PIN_RESET);
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vn::pkg_response_t<payload_t> responseMOSI;
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status = HAL_SPI_TransmitReceive(hspi,
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(uint8_t *)(&responseMOSI), // just empty byte to allow the slave to transmit
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(uint8_t *)(pResponseMISO), sizeof(*pResponseMISO), 100);
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9, GPIO_PIN_SET);
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return status;
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}
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template <typename payload_t>
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HAL_StatusTypeDef spi_write(SPI_HandleTypeDef *hspi, vn::pkg_request_write_t<payload_t> *pRequestMOSI, vn::pkg_response_t<payload_t> *pResponseMISO) {
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HAL_StatusTypeDef status = HAL_OK;
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vn::header_t::response_t requestMISO;
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9, GPIO_PIN_RESET);
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status = HAL_SPI_TransmitReceive(hspi, (uint8_t *)(pRequestMOSI),
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(uint8_t *)(&requestMISO), // not relevant, but there to function
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sizeof(*pRequestMOSI), 100);
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9, GPIO_PIN_SET);
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HAL_Delay(1);
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9, GPIO_PIN_RESET);
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vn::pkg_response_t<payload_t> responseMOSI;
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status = HAL_SPI_TransmitReceive(hspi,
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(uint8_t *)(&responseMOSI), // just empty byte to allow the slave to transmit
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(uint8_t *)(pResponseMISO), sizeof(*pResponseMISO), 100);
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9, GPIO_PIN_SET);
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return status;
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}
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HAL_StatusTypeDef spi2can(SPI_HandleTypeDef *hspi, CAN_HandleTypeDef *hcan);
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