From ede4fba9973a09553e54a1423e5d891bdf9981d2 Mon Sep 17 00:00:00 2001
From: lumapu <lp@lufami.de>
Date: Wed, 17 Apr 2024 21:45:33 +0200
Subject: [PATCH] try to solve issue without success

---
 src/hm/nrfHal.h              | 2 ++
 src/hms/cmtHal.h             | 2 ++
 src/plugins/Display/epdHal.h | 8 ++++----
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/hm/nrfHal.h b/src/hm/nrfHal.h
index e1f25439..4bd14763 100644
--- a/src/hm/nrfHal.h
+++ b/src/hm/nrfHal.h
@@ -55,6 +55,7 @@ class nrfHal: public RF24_hal, public SpiPatcherHandle {
             gpio_set_level(mPinClk, 0);
 
             gpio_reset_pin(mPinCs);
+            request_spi();
             spi_device_interface_config_t devcfg = {
                 .command_bits = 0,
                 .address_bits = 0,
@@ -72,6 +73,7 @@ class nrfHal: public RF24_hal, public SpiPatcherHandle {
                 .post_cb = nullptr
             };
             ESP_ERROR_CHECK(spi_bus_add_device(mHostDevice, &devcfg, &spi));
+            release_spi();
 
             gpio_reset_pin(mPinEn);
             gpio_set_direction(mPinEn, GPIO_MODE_OUTPUT);
diff --git a/src/hms/cmtHal.h b/src/hms/cmtHal.h
index a4bec587..676b0b71 100644
--- a/src/hms/cmtHal.h
+++ b/src/hms/cmtHal.h
@@ -50,6 +50,7 @@ class cmtHal : public SpiPatcherHandle {
             gpio_set_level(mPinClk, 0);
 
             gpio_reset_pin(mPinCs);
+            request_spi();
             spi_device_interface_config_t devcfg_reg = {
                 .command_bits = 1,
                 .address_bits = 7,
@@ -67,6 +68,7 @@ class cmtHal : public SpiPatcherHandle {
                 .post_cb = nullptr
             };
             ESP_ERROR_CHECK(spi_bus_add_device(mHostDevice, &devcfg_reg, &spi_reg));
+            release_spi();
 
             gpio_reset_pin(mPinFcs);
             spi_device_interface_config_t devcfg_fifo = {
diff --git a/src/plugins/Display/epdHal.h b/src/plugins/Display/epdHal.h
index 29948059..1219f107 100644
--- a/src/plugins/Display/epdHal.h
+++ b/src/plugins/Display/epdHal.h
@@ -51,6 +51,7 @@ class epdHal: public GxEPD2_HalInterface, public SpiPatcherHandle {
             gpio_set_level(mPinClk, 0);
 
             gpio_reset_pin(mPinCs);
+            request_spi();
             spi_device_interface_config_t devcfg = {
                 .command_bits = 0,
                 .address_bits = 0,
@@ -68,6 +69,7 @@ class epdHal: public GxEPD2_HalInterface, public SpiPatcherHandle {
                 .post_cb = nullptr
             };
             ESP_ERROR_CHECK(spi_bus_add_device(mHostDevice, &devcfg, &spi));
+            release_spi();
 
             if(GPIO_NUM_NC != mPinRst) {
                 gpio_reset_pin(mPinRst);
@@ -152,14 +154,12 @@ class epdHal: public GxEPD2_HalInterface, public SpiPatcherHandle {
             }
 
             request_spi();
-
-            size_t spiLen = static_cast<size_t>(n + fill_with_zeroes) << 3;
             spi_transaction_t t = {
                 .flags = SPI_TRANS_CS_KEEP_ACTIVE,
                 .cmd = 0,
                 .addr = 0,
-                .length = spiLen,
-                .rxlength = spiLen,
+                .length = 1u,
+                .rxlength = 1u,
                 .user = NULL,
                 .tx_buffer = data,
                 .rx_buffer = data