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fixed writeCmd, wdt fires

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lumapu 2024-04-15 22:54:33 +02:00
parent 0683d1d2f5
commit c9fc207afe
1 changed files with 5 additions and 3 deletions
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8
src/plugins/Display/epdHal.h
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@ -209,10 +209,11 @@ class epdHal: public GxEPD2_HalInterface, public SpiPatcherHandle {
request_spi(); request_spi();
gpio_set_level(mPinDc, LOW); gpio_set_level(mPinDc, LOW);
spi_device_acquire_bus(spi, portMAX_DELAY);
size_t spiLen = static_cast<size_t>(1u) << 3; size_t spiLen = static_cast<size_t>(1u) << 3;
spi_transaction_t t = { spi_transaction_t t = {
.flags = 0, .flags = SPI_TRANS_CS_KEEP_ACTIVE,
.cmd = 0, .cmd = 0,
.addr = 0, .addr = 0,
.length = spiLen, .length = spiLen,
@ -231,9 +232,9 @@ class epdHal: public GxEPD2_HalInterface, public SpiPatcherHandle {
} else } else
std::copy(&buf[1], &buf[n], &data[0]); std::copy(&buf[1], &buf[n], &data[0]);
spiLen = static_cast<size_t>(n) << 3; spiLen = static_cast<size_t>(n-1) << 3;
spi_transaction_t t1 = { spi_transaction_t t1 = {
.flags = 0, .flags = SPI_TRANS_CS_KEEP_ACTIVE,
.cmd = 0, .cmd = 0,
.addr = 0, .addr = 0,
.length = spiLen, .length = spiLen,
@ -243,6 +244,7 @@ class epdHal: public GxEPD2_HalInterface, public SpiPatcherHandle {
.rx_buffer = data .rx_buffer = data
}; };
ESP_ERROR_CHECK(spi_device_polling_transmit(spi, &t1)); ESP_ERROR_CHECK(spi_device_polling_transmit(spi, &t1));
spi_device_release_bus(spi);
release_spi(); release_spi();
} }