Merge pull request #196 from der-ambi/spi_on_development_3110
Spi on development 3110
This commit is contained in:
commit
85a180206a
@ -66,10 +66,6 @@ extern TaskHandle_t irqHandlerTask, wifiSwitchTask;
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#include "lorawan.h"
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#include "lorawan.h"
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#endif
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#endif
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#ifdef HAS_SPI
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#include "spisend.h"
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#endif
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#ifdef HAS_DISPLAY
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#ifdef HAS_DISPLAY
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#include "display.h"
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#include "display.h"
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#endif
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#endif
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@ -1,34 +0,0 @@
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#ifndef _SPISEND_H
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#define _SPISEND_H
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#include "globals.h"
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#include "spi.h"
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extern TaskHandle_t SpiTask;
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extern QueueHandle_t SPISendQueue;
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/*
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* Process data in SPI send queue
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*/
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void spi_loop(void *pvParameters);
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/*
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* initialize local SPI wire interface
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*/
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void hal_spi_init();
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/*
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* Perform SPI write transaction on local SPI wire interface
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* - write the command byte 'cmd'
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* - write 'len' bytes out of 'buf'
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*/
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void hal_spi_write(uint8_t cmd, const uint8_t* buf, int len);
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/*
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* Perform SPI read transaction on local SPI wire interface
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* - read the command byte 'cmd'
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* - read 'len' bytes into 'buf'
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*/
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void hal_spi_read(uint8_t cmd, uint8_t* buf, int len);
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#endif
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36
include/spislave.h
Normal file
36
include/spislave.h
Normal file
@ -0,0 +1,36 @@
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/*
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//////////////////////// ESP32-Paxcounter \\\\\\\\\\\\\\\\\\\\\\\\\\
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Copyright 2018 Christian Ambach <christian.ambach@deutschebahn.com>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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NOTICE:
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Parts of the source files in this repository are made available under different
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licenses. Refer to LICENSE.txt file in repository for more details.
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*/
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#ifndef _SPISLAVE_H
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#define _SPISLAVE_H
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#include "globals.h"
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esp_err_t spi_init();
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void spi_enqueuedata(uint8_t messageType, MessageBuffer_t *message);
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void spi_queuereset();
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void spi_housekeeping();
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#endif // _SPISLAVE_H
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@ -58,6 +58,7 @@ build_flags =
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-w
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-w
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'-DARDUINO_LMIC_PROJECT_CONFIG_H=../../../src/lmic_config.h'
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'-DARDUINO_LMIC_PROJECT_CONFIG_H=../../../src/lmic_config.h'
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'-DCORE_DEBUG_LEVEL=${common.debug_level}'
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'-DCORE_DEBUG_LEVEL=${common.debug_level}'
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'-DLOG_LOCAL_LEVEL=${common.debug_level}'
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'-DBINTRAY_PACKAGE="${PIOENV}"'
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'-DBINTRAY_PACKAGE="${PIOENV}"'
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'-DPROGVERSION="${common.release_version}"'
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'-DPROGVERSION="${common.release_version}"'
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@ -3,6 +3,8 @@
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// Basic config
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// Basic config
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#include "cyclic.h"
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#include "cyclic.h"
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#include "rcommand.h"
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#include "spislave.h"
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// Local logging tag
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// Local logging tag
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static const char TAG[] = "main";
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static const char TAG[] = "main";
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@ -25,9 +27,9 @@ void doHousekeeping() {
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#ifdef HAS_GPS
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#ifdef HAS_GPS
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ESP_LOGD(TAG, "Gpsloop %d bytes left", uxTaskGetStackHighWaterMark(GpsTask));
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ESP_LOGD(TAG, "Gpsloop %d bytes left", uxTaskGetStackHighWaterMark(GpsTask));
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#endif
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#endif
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#ifdef HAS_SPI
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ESP_LOGD(TAG, "Spiloop %d bytes left", uxTaskGetStackHighWaterMark(SpiTask));
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spi_housekeeping();
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#endif
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#if (HAS_LED != NOT_A_PIN) || defined(HAS_RGB_LED)
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#if (HAS_LED != NOT_A_PIN) || defined(HAS_RGB_LED)
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ESP_LOGD(TAG, "LEDloop %d bytes left", uxTaskGetStackHighWaterMark(ledLoopTask));
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ESP_LOGD(TAG, "LEDloop %d bytes left", uxTaskGetStackHighWaterMark(ledLoopTask));
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#endif
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#endif
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@ -7,6 +7,11 @@
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#define HAS_LORA 1 // comment out if device shall not send data via LoRa or has no LoRa
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#define HAS_LORA 1 // comment out if device shall not send data via LoRa or has no LoRa
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#define HAS_SPI 1 // comment out if device shall not send data via SPI
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#define HAS_SPI 1 // comment out if device shall not send data via SPI
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// pin definitions for SPI slave interface
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#define SPI_MOSI GPIO_NUM_23
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#define SPI_MISO GPIO_NUM_19
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#define SPI_SCLK GPIO_NUM_18
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#define SPI_CS GPIO_NUM_5
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#define CFG_sx1276_radio 1 // select LoRa chip
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#define CFG_sx1276_radio 1 // select LoRa chip
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//#define CFG_sx1272_radio 1 // select LoRa chip
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//#define CFG_sx1272_radio 1 // select LoRa chip
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@ -7,6 +7,12 @@
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#define HAS_LORA 1 // comment out if device shall not send data via LoRa
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#define HAS_LORA 1 // comment out if device shall not send data via LoRa
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#define HAS_SPI 1 // comment out if device shall not send data via SPI
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#define HAS_SPI 1 // comment out if device shall not send data via SPI
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// pin definitions for SPI slave interface
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#define SPI_MOSI GPIO_NUM_22
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#define SPI_MISO GPIO_NUM_33
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#define SPI_SCLK GPIO_NUM_26
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#define SPI_CS GPIO_NUM_36
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#define CFG_sx1276_radio 1
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#define CFG_sx1276_radio 1
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//#define HAS_LED NOT_A_PIN // LoPy4 has no on board mono LED, we use on board RGB LED
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//#define HAS_LED NOT_A_PIN // LoPy4 has no on board mono LED, we use on board RGB LED
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#define HAS_RGB_LED (0) // WS2812B RGB LED on GPIO0 (P2)
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#define HAS_RGB_LED (0) // WS2812B RGB LED on GPIO0 (P2)
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20
src/main.cpp
20
src/main.cpp
@ -48,6 +48,7 @@ ESP32 hardware timers
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// Basic Config
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// Basic Config
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#include "main.h"
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#include "main.h"
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#include "spislave.h"
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configData_t cfg; // struct holds current device configuration
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configData_t cfg; // struct holds current device configuration
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char display_line6[16], display_line7[16]; // display buffers
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char display_line6[16], display_line7[16]; // display buffers
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@ -197,14 +198,8 @@ void setup() {
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// initialize SPI
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// initialize SPI
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#ifdef HAS_SPI
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#ifdef HAS_SPI
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strcat_P(features, " SPI");
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strcat_P(features, " SPI");
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SPISendQueue = xQueueCreate(SEND_QUEUE_SIZE, sizeof(MessageBuffer_t));
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if (SPISendQueue == 0) {
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ESP_LOGE(TAG, "Could not create SPI send queue. Aborting.");
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exit(0);
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} else
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ESP_LOGI(TAG, "SPI send queue created, size %d Bytes",
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SEND_QUEUE_SIZE * PAYLOAD_BUFFER_SIZE);
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#endif
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#endif
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assert(spi_init() == ESP_OK);
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#ifdef VENDORFILTER
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#ifdef VENDORFILTER
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strcat_P(features, " OUIFLT");
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strcat_P(features, " OUIFLT");
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@ -312,17 +307,6 @@ void setup() {
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1); // CPU core
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1); // CPU core
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#endif
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#endif
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#ifdef HAS_SPI
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ESP_LOGI(TAG, "Starting SPIloop...");
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xTaskCreatePinnedToCore(spi_loop, // task function
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"spiloop", // name of task
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2048, // stack size of task
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(void *)1, // parameter of the task
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2, // priority of the task
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&SpiTask, // task handle
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0); // CPU core
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#endif
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// start state machine
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// start state machine
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ESP_LOGI(TAG, "Starting IRQ Handler...");
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ESP_LOGI(TAG, "Starting IRQ Handler...");
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xTaskCreatePinnedToCore(irqHandler, // task function
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xTaskCreatePinnedToCore(irqHandler, // task function
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@ -1,5 +1,6 @@
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// Basic Config
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// Basic Config
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#include "globals.h"
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#include "globals.h"
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#include "spislave.h"
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// put data to send in RTos Queues used for transmit over channels Lora and SPI
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// put data to send in RTos Queues used for transmit over channels Lora and SPI
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void SendData(uint8_t port) {
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void SendData(uint8_t port) {
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@ -19,12 +20,7 @@ void SendData(uint8_t port) {
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ESP_LOGI(TAG, "%d bytes enqueued to send on LoRa", payload.getSize());
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ESP_LOGI(TAG, "%d bytes enqueued to send on LoRa", payload.getSize());
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#endif
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#endif
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// enqueue message in SPI send queue
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spi_enqueuedata(port, &SendBuffer);
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#ifdef HAS_SPI
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if (xQueueSendToBack(SPISendQueue, (void *)&SendBuffer, (TickType_t)0) ==
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pdTRUE)
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ESP_LOGI(TAG, "%d bytes enqueued to send on SPI", payload.getSize());
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#endif
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// clear counter if not in cumulative counter mode
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// clear counter if not in cumulative counter mode
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if ((port == COUNTERPORT) && (cfg.countermode != 1)) {
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if ((port == COUNTERPORT) && (cfg.countermode != 1)) {
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@ -66,7 +62,6 @@ void flushQueues() {
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#ifdef HAS_LORA
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#ifdef HAS_LORA
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xQueueReset(LoraSendQueue);
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xQueueReset(LoraSendQueue);
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#endif
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#endif
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#ifdef HAS_SPI
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xQueueReset(SPISendQueue);
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spi_queuereset();
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#endif
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}
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}
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@ -1,72 +0,0 @@
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#ifdef HAS_SPI
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#include "spisend.h"
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// Local logging tag
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static const char TAG[] = "main";
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MessageBuffer_t SendBuffer;
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QueueHandle_t SPISendQueue;
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TaskHandle_t SpiTask;
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// SPI feed Task
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void spi_loop(void *pvParameters) {
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uint8_t buf[32];
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configASSERT(((uint32_t)pvParameters) == 1); // FreeRTOS check
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while (1) {
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// check if data to send on SPI interface
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if (xQueueReceive(SPISendQueue, &SendBuffer, (TickType_t)0) == pdTRUE) {
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hal_spi_write(SendBuffer.MessagePort, SendBuffer.Message,
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SendBuffer.MessageSize);
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ESP_LOGI(TAG, "%d bytes sent to SPI", SendBuffer.MessageSize);
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}
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// check if command is received on SPI command port, then call interpreter
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hal_spi_read(RCMDPORT, buf, 32);
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if (buf[0])
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rcommand(buf, sizeof(buf));
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vTaskDelay(2 / portTICK_PERIOD_MS); // yield to CPU
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} // end of infinite loop
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vTaskDelete(NULL); // shoud never be reached
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} // spi_loop()
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// SPI hardware abstraction layer
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void hal_spi_init() { SPI.begin(SCK, MISO, MOSI, SS); }
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void hal_spi_trx(uint8_t port, uint8_t *buf, int len, uint8_t is_read) {
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SPISettings settings(1E6, MSBFIRST, SPI_MODE0);
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SPI.beginTransaction(settings);
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digitalWrite(SS, 0);
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SPI.transfer(port);
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for (uint8_t i = 0; i < len; i++) {
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uint8_t *p = buf + i;
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uint8_t data = is_read ? 0x00 : *p;
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data = SPI.transfer(data);
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if (is_read)
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*p = data;
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}
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digitalWrite(SS, 1);
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SPI.endTransaction();
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}
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void hal_spi_write(uint8_t port, const uint8_t *buf, int len) {
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hal_spi_trx(port, (uint8_t *)buf, len, 0);
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}
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void hal_spi_read(uint8_t port, uint8_t *buf, int len) {
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hal_spi_trx(port, buf, len, 1);
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}
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#endif // HAS_SPI
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152
src/spislave.cpp
Normal file
152
src/spislave.cpp
Normal file
@ -0,0 +1,152 @@
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/*
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//////////////////////// ESP32-Paxcounter \\\\\\\\\\\\\\\\\\\\\\\\\\
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Copyright 2018 Christian Ambach <christian.ambach@deutschebahn.com>
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Licensed under the Apache License, Version 2.0 (the "License");
|
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you may not use this file except in compliance with the License.
|
||||||
|
You may obtain a copy of the License at
|
||||||
|
|
||||||
|
http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
|
||||||
|
Unless required by applicable law or agreed to in writing, software
|
||||||
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
See the License for the specific language governing permissions and
|
||||||
|
limitations under the License.
|
||||||
|
|
||||||
|
NOTICE:
|
||||||
|
Parts of the source files in this repository are made available under different
|
||||||
|
licenses. Refer to LICENSE.txt file in repository for more details.
|
||||||
|
|
||||||
|
*/
|
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#include "spislave.h"
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#include <driver/spi_slave.h>
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#include <sys/param.h>
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#include <rom/crc.h>
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static const char TAG[] = __FILE__;
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#define HEADER_SIZE 4
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// SPI transaction size needs to be at least 8 bytes and dividable by 4, see
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// https://docs.espressif.com/projects/esp-idf/en/latest/api-reference/peripherals/spi_slave.html
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#define BUFFER_SIZE \
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(MAX(8, HEADER_SIZE + PAYLOAD_BUFFER_SIZE) + \
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(4 - MAX(8, HEADER_SIZE + PAYLOAD_BUFFER_SIZE) % 4))
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DMA_ATTR uint8_t txbuf[BUFFER_SIZE];
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DMA_ATTR uint8_t rxbuf[BUFFER_SIZE];
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QueueHandle_t SPISendQueue;
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TaskHandle_t spiTask;
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void spi_slave_task(void *param) {
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while (1) {
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MessageBuffer_t msg;
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size_t transaction_size;
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memset(txbuf, 0, sizeof(txbuf));
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memset(rxbuf, 0, sizeof(rxbuf));
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if (xQueueReceive(SPISendQueue, &msg, portMAX_DELAY) != pdTRUE) {
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ESP_LOGE(TAG, "Premature return from xQueueReceive() with no data!");
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continue;
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}
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uint8_t *messageType = txbuf + 2;
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*messageType = msg.MessagePort;
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uint8_t *messageSize = txbuf + 3;
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*messageSize = msg.MessageSize;
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memcpy(txbuf + HEADER_SIZE, &msg.Message, msg.MessageSize);
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transaction_size = HEADER_SIZE + msg.MessageSize;
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transaction_size += (4 - transaction_size % 4);
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uint16_t *crc = (uint16_t *)txbuf;
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*crc = crc16_be(0, messageType, msg.MessageSize + HEADER_SIZE - 2);
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spi_slave_transaction_t spi_transaction = {0};
|
||||||
|
spi_transaction.length = transaction_size * 8;
|
||||||
|
spi_transaction.tx_buffer = txbuf;
|
||||||
|
spi_transaction.rx_buffer = rxbuf;
|
||||||
|
|
||||||
|
ESP_LOGI(TAG, "Prepared SPI transaction for %zu bytes", transaction_size);
|
||||||
|
ESP_LOG_BUFFER_HEXDUMP(TAG, txbuf, transaction_size, ESP_LOG_DEBUG);
|
||||||
|
esp_err_t ret =
|
||||||
|
spi_slave_transmit(HSPI_HOST, &spi_transaction, portMAX_DELAY);
|
||||||
|
ESP_LOG_BUFFER_HEXDUMP(TAG, rxbuf, transaction_size, ESP_LOG_DEBUG);
|
||||||
|
ESP_LOGI(TAG, "Transaction finished with size %zu bits",
|
||||||
|
spi_transaction.trans_len);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
esp_err_t spi_init() {
|
||||||
|
#ifndef HAS_SPI
|
||||||
|
return ESP_OK;
|
||||||
|
#else
|
||||||
|
|
||||||
|
SPISendQueue = xQueueCreate(SEND_QUEUE_SIZE, sizeof(MessageBuffer_t));
|
||||||
|
if (SPISendQueue == 0) {
|
||||||
|
ESP_LOGE(TAG, "Could not create SPI send queue. Aborting.");
|
||||||
|
return ESP_FAIL;
|
||||||
|
}
|
||||||
|
ESP_LOGI(TAG, "SPI send queue created, size %d Bytes",
|
||||||
|
SEND_QUEUE_SIZE * PAYLOAD_BUFFER_SIZE);
|
||||||
|
|
||||||
|
spi_bus_config_t spi_bus_cfg = {.mosi_io_num = SPI_MOSI,
|
||||||
|
.miso_io_num = SPI_MISO,
|
||||||
|
.sclk_io_num = SPI_SCLK,
|
||||||
|
.quadwp_io_num = -1,
|
||||||
|
.quadhd_io_num = -1,
|
||||||
|
.max_transfer_sz = 0,
|
||||||
|
.flags = 0};
|
||||||
|
|
||||||
|
spi_slave_interface_config_t spi_slv_cfg = {.spics_io_num = SPI_CS,
|
||||||
|
.flags = 0,
|
||||||
|
.queue_size = 1,
|
||||||
|
.mode = 0,
|
||||||
|
.post_setup_cb = NULL,
|
||||||
|
.post_trans_cb = NULL};
|
||||||
|
|
||||||
|
gpio_set_pull_mode(SPI_MOSI, GPIO_PULLUP_ONLY);
|
||||||
|
gpio_set_pull_mode(SPI_SCLK, GPIO_PULLUP_ONLY);
|
||||||
|
gpio_set_pull_mode(SPI_CS, GPIO_PULLUP_ONLY);
|
||||||
|
|
||||||
|
ESP_LOGI(TAG, "Starting SPIloop...");
|
||||||
|
xTaskCreate(spi_slave_task, "spiloop", 4096, (void *)NULL, 2, &spiTask);
|
||||||
|
|
||||||
|
esp_err_t ret =
|
||||||
|
spi_slave_initialize(HSPI_HOST, &spi_bus_cfg, &spi_slv_cfg, 1);
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
void spi_enqueuedata(uint8_t messageType, MessageBuffer_t *message) {
|
||||||
|
// enqueue message in SPI send queue
|
||||||
|
#ifdef HAS_SPI
|
||||||
|
BaseType_t ret =
|
||||||
|
xQueueSendToBack(SPISendQueue, (void *)message, (TickType_t)0);
|
||||||
|
if (ret == pdTRUE) {
|
||||||
|
ESP_LOGI(TAG, "%d bytes enqueued for SPI consumption",
|
||||||
|
message->MessageSize);
|
||||||
|
} else {
|
||||||
|
ESP_LOGW(TAG, "SPI sendqueue is full");
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
void spi_queuereset(void) {
|
||||||
|
#ifdef HAS_SPI
|
||||||
|
xQueueReset(SPISendQueue);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
void spi_housekeeping(void) {
|
||||||
|
#ifdef HAS_SPI
|
||||||
|
ESP_LOGD(TAG, "spiloop %d bytes left", uxTaskGetStackHighWaterMark(spiTask));
|
||||||
|
#endif
|
||||||
|
}
|
Loading…
Reference in New Issue
Block a user