foxBMS  1.4.1
The foxBMS Battery Management System API Documentation
nxp_afe_dma.c
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41 
42 /**
43  * @file nxp_afe_dma.c
44  * @author foxBMS Team
45  * @date 2020-05-27 (date of creation)
46  * @updated 2022-10-27 (date of last update)
47  * @version v1.4.1
48  * @ingroup DRIVERS
49  * @prefix AFE
50  *
51  * @brief Driver for the DMA module for the N775.
52  *
53  */
54 
55 /*========== Includes =======================================================*/
56 #include "nxp_afe_dma.h"
57 
58 #include "dma.h"
59 #include "ftask.h"
60 #include "io.h"
61 #include "nxp_mc33775a.h"
62 #include "spi.h"
63 
64 /*========== Macros and Definitions =========================================*/
65 
66 /*========== Static Constant and Variable Definitions =======================*/
67 
68 /*========== Extern Constant and Variable Definitions =======================*/
69 
70 /*========== Static Function Prototypes =====================================*/
71 
72 /*========== Static Function Implementations ================================*/
73 
74 /*========== Extern Function Implementations ================================*/
75 
76 /* Function called on DMA complete interrupts (TX and RX). */
77 void AFE_DmaCallback(uint8_t spiIndex) {
78  if ((spiIndex == 0u)) {
79  /* SPI 1 = Master SPI */
80  spi_txFinished = true;
81 #if (N775_USE_NOTIFICATIONS == true)
82  BaseType_t xHigherPriorityTaskWoken = pdFALSE;
83  xTaskNotifyIndexedFromISR(
87  eSetValueWithOverwrite,
88  &xHigherPriorityTaskWoken);
89  portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
90 #endif
91  } else if ((spiIndex == 3u)) {
92  /* SPI 4 = Slave SPI */
93  dma_spiInterfaces[spiIndex]->GCR1 &= ~SPIEN_BIT;
94  /* Set slave SPI pins as GIO to deactivate them */
95  dma_spiInterfaces[spiIndex]->PC0 &= 0xFFFFFF00;
96  spi_rxFinished = true;
97 #if (N775_USE_NOTIFICATIONS == true)
98  BaseType_t xHigherPriorityTaskWoken = pdFALSE;
99  xTaskNotifyIndexedFromISR(
103  eSetValueWithOverwrite,
104  &xHigherPriorityTaskWoken);
105  portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
106 #endif
107  } else {
109  }
110 
111  return;
112 }
113 
114 /*========== Externalized Static Function Implementations (Unit Test) =======*/
Headers for the driver for the DMA module.
spiBASE_t * dma_spiInterfaces[DMA_NUMBER_SPI_INTERFACES]
Definition: dma_cfg.c:85
#define SPIEN_BIT
Definition: dma_cfg.h:111
#define FAS_ASSERT(x)
Assertion macro that asserts that x is true.
Definition: fassert.h:252
#define FAS_TRAP
Define that evaluates to essential boolean false thus tripping an assert.
Definition: fassert.h:126
Header of task driver implementation.
TaskHandle_t ftsk_taskHandleAfe
Definition of task handles.
Header for the driver for the IO module.
void AFE_DmaCallback(uint8_t spiIndex)
Function called by DMA block transfer callback.
Definition: nxp_afe_dma.c:77
Headers for the driver for the DMA module.
Headers for the driver for the MC33775A monitoring chip.
#define N775_RX_NOTIFIED_VALUE
#define N775_NOTIFICATION_RX_INDEX
#define N775_NOTIFICATION_TX_INDEX
#define N775_TX_NOTIFIED_VALUE
bool spi_rxFinished
Definition: spi.c:78
bool spi_txFinished
Definition: spi.c:77
Headers for the driver for the SPI module.