Init

Inc/SpiPortNation.h

@@ -0,0 +1,32 @@
+//
+// Created by cfif on 28.09.22.
+//
+
+#ifndef SPIPORT_NATION_H
+#define SPIPORT_NATION_H
+
+#include "SpiPort.h"
+#include "n32g45x.h"
+#include "cmsis_os2.h"
+#include "GpioPinInterface.h"
+
+typedef struct {
+    SPI_Module *spi;
+    //решение на случай одного чипа на шине
+    tGpioPin *chipSelect;
+} tSpiPortNation;
+
+tSpiPortNation SpiPort_Init(
+        SPI_Module *spi,
+        uint16_t spiFrameBit,
+        tGpioPin *chipSelect
+);
+
+
+#define SpiPort_InitName(NAME, spiFrameBit, CS) \
+SpiPort_Init(NAME, spiFrameBit, CS)
+
+
+tSpiPortIO SpiPort_GetIo(tSpiPortNation *env);
+
+#endif //SPIPORT_NATION_H

Src/SpiPortNation.c

@@ -0,0 +1,111 @@
+//
+// Created by cfif on 16.09.22.
+//
+#include <SystemDelayInterface.h>
+#include "SpiPortNation.h"
+
+
+tSpiPortNation SpiPort_Init(
+        SPI_Module *spi,
+        uint16_t spiFrameBit,
+        tGpioPin *chipSelect
+) {
+    SPI_InitType spi_init_struct;
+
+    spi_init_struct.DataDirection = SPI_DIR_DOUBLELINE_FULLDUPLEX;
+    spi_init_struct.SpiMode = SPI_MODE_MASTER;
+    spi_init_struct.DataLen = spiFrameBit;
+    spi_init_struct.CLKPOL = SPI_CLKPOL_LOW;
+    spi_init_struct.CLKPHA = SPI_CLKPHA_FIRST_EDGE;
+    spi_init_struct.NSS = SPI_NSS_SOFT;
+    spi_init_struct.BaudRatePres = SPI_BR_PRESCALER_8;
+    spi_init_struct.FirstBit = SPI_FB_MSB;
+    SPI_Init(spi, &spi_init_struct);
+
+    SPI_Enable(spi, ENABLE);
+
+    tSpiPortNation spiPort = {
+            .spi = spi,
+            .chipSelect = chipSelect
+    };
+
+    return spiPort;
+}
+
+
+static bool vSpiPortTransmit(tSpiPortNation *env, const uint16_t *data, uint32_t timeout) {
+
+    uint32_t endMs = SystemGetMs() + timeout;
+
+    while ((timeout == SystemWaitForever) || (endMs > SystemGetMs())) {
+        // Буфер передатчика пуст
+        if (SPI_I2S_GetStatus(env->spi, SPI_I2S_TE_FLAG)) {
+            SPI_I2S_TransmitData(env->spi, *data);
+
+            return true;
+        }
+    }
+    return false;
+}
+static bool vSpiPortReceive(tSpiPortNation *env, uint16_t *data, uint32_t timeout) {
+
+    uint32_t endMs = SystemGetMs() + timeout;
+    while ((timeout == SystemWaitForever) || (endMs > SystemGetMs())) {
+        // В буфере приемника еcть данные
+        if (SPI_I2S_GetStatus(env->spi, SPI_I2S_RNE_FLAG)) {
+            *data = SPI_I2S_ReceiveData(env->spi);
+            return true;
+        }
+    }
+
+    return false;
+}
+
+static bool vSpiPortSovTransmit(tSpiPortNation *env, const uint16_t *data, uint32_t timeout) {
+
+    uint32_t endMs = SystemGetMs() + timeout;
+
+    while ((timeout == SystemWaitForever) || (endMs > SystemGetMs())) {
+        // Буфер передатчика пуст
+        if (SPI_I2S_GetStatus(env->spi, SPI_I2S_TE_FLAG)) {
+            SPI_I2S_TransmitData(env->spi, *data);vSpiPortReceive (env,data,timeout);
+            return true;
+        }
+    }
+    return false;
+}
+
+static bool vSpiPortSovReceive(tSpiPortNation *env, uint16_t *data, uint32_t timeout) {
+    uint32_t endMs = SystemGetMs() + timeout;
+    vSpiPortTransmit (env,data,timeout);
+    while ((timeout == SystemWaitForever) || (endMs > SystemGetMs())) {
+        // В буфере приемника еcть данные
+        if (SPI_I2S_GetStatus(env->spi, SPI_I2S_RNE_FLAG)) {
+            *data = SPI_I2S_ReceiveData(env->spi);
+            return true;
+        }
+    }
+    return false;
+}
+
+//простая реализация chipSelect для одного утройства на шине
+static bool vSpiPortChipSelectMono(tSpiPortNation *env, uint32_t timeout) {
+    GpioPinEnable(env->chipSelect);
+    return true;
+}
+
+static bool vSpiPortChipReleaseMono(tSpiPortNation *env, uint32_t timeout) {
+    GpioPinDisable(env->chipSelect);
+    return true;
+}
+
+tSpiPortIO SpiPort_GetIo(tSpiPortNation *env) {
+    tSpiPortIO io = {
+            .env = env,
+            .receive = (SpiPortIOTransaction) vSpiPortSovReceive,
+            .transmit = (SpiPortIOTransaction) vSpiPortSovTransmit,
+            .chipSelect =(SpiPortChipArbitrage) vSpiPortChipSelectMono,
+            .chipRelease =(SpiPortChipArbitrage) vSpiPortChipReleaseMono,
+    };
+    return io;
+}

modular.json

@@ -0,0 +1,27 @@
+{
+  "dep": [
+    {
+      "type": "git",
+      "provider": "NAVIGATOR_UVEOS_NATION_TELIT",
+      "repo": "PeripheralDriver_NATION_N32G45X"
+    },
+    {
+      "type": "git",
+      "provider": "NAVIGATOR_UVEOS_NATION_TELIT",
+      "repo": "SpiPort"
+    },
+    {
+      "type": "git",
+      "provider": "NAVIGATOR_UVEOS_NATION_TELIT",
+      "repo": "SystemDelayInterface"
+    }
+  ],
+  "cmake": {
+    "inc_dirs": [
+      "Inc"
+    ],
+    "srcs": [
+      "Src/**.c"
+    ]
+  }
+}