Enlarged stack and heap since there is a lot of unused RAM.

Author: avtoku

boards/varmint_h7/common/STM32H7LinkerScript.ld

@@ -37,8 +37,8 @@ ENTRY(Reset_Handler)
 /* Highest address of the user mode stack */
 _estack = ORIGIN(RAM_D1) + LENGTH(RAM_D1);    /* end of RAM */
 /* Generate a link error if heap and stack don't fit into RAM */
-_Min_Heap_Size = 0x2000;      /* required amount of heap  */
-_Min_Stack_Size = 0x2000; /* required amount of stack */
+_Min_Heap_Size = 0x10000;      /* required amount of heap note _user_heap_stack is one location */
+_Min_Stack_Size = 0x20000; /* required amount of stack */
 
 /* Specify the memory areas */
 MEMORY

boards/varmint_h7/common/drivers/Auav.cpp

@@ -47,8 +47,8 @@ extern Time64 time64;
 DMA_RAM uint8_t auav_dma_txbuf[SPI_DMA_MAX_BUFFER_SIZE];
 DMA_RAM uint8_t auav_dma_rxbuf[SPI_DMA_MAX_BUFFER_SIZE];
 
-DTCM_RAM uint8_t pitot_double_buffer[2 * sizeof(PressurePacket)];
-DTCM_RAM uint8_t baro_double_buffer[2 * sizeof(PressurePacket)];
+DTCM_RAM uint8_t auav_pitot_double_buffer[2 * sizeof(PressurePacket)];
+DTCM_RAM uint8_t auav_baro_double_buffer[2 * sizeof(PressurePacket)];
 
 #define ROLLOVER 10000
 
@@ -99,7 +99,7 @@ uint32_t Auav::init(uint16_t sample_rate_hz,                                 //
   {
     spi_[AUAV_PITOT].init(hspi, auav_dma_txbuf, auav_dma_rxbuf, pitot_cs_port, pitot_cs_pin);
 
-    double_buffer_[AUAV_PITOT].init(pitot_double_buffer, sizeof(pitot_double_buffer));
+    double_buffer_[AUAV_PITOT].init(auav_pitot_double_buffer, sizeof(auav_pitot_double_buffer));
 
     char name[] = "Auav (pitot)";
     memset(name_local_[AUAV_PITOT], '\0', sizeof(name_local_[AUAV_PITOT]));
@@ -127,7 +127,7 @@ uint32_t Auav::init(uint16_t sample_rate_hz,                                 //
   {
     spi_[AUAV_BARO].init(hspi, auav_dma_txbuf, auav_dma_rxbuf, baro_cs_port, baro_cs_pin);
 
-    double_buffer_[AUAV_BARO].init(baro_double_buffer, sizeof(baro_double_buffer));
+    double_buffer_[AUAV_BARO].init(auav_baro_double_buffer, sizeof(auav_baro_double_buffer));
 
     char name[] = "Auav (baro) ";
     memset(name_local_[AUAV_BARO], '\0', sizeof(name_local_[AUAV_BARO]));

boards/varmint_h7/common/drivers/Telem.cpp

@@ -46,7 +46,7 @@
 
 extern Time64 time64;
 
-#define TELEM_RX_BUFFER_SIZE (4096) // Use a multiple of 32!
+#define TELEM_RX_BUFFER_SIZE (4096-32) // Use a multiple of 32!
 
 DTCM_RAM uint8_t telem_fifo_rx_buffer[TELEM_RX_BUFFER_SIZE];
 
@@ -62,8 +62,8 @@ DTCM_RAM uint8_t telem_fifo_tx_buffer1[SERIAL_TX_FIFO_BUFFERS1 * sizeof(SerialTx
 DTCM_RAM uint8_t telem_fifo_tx_buffer2[SERIAL_TX_FIFO_BUFFERS2 * sizeof(SerialTxPacket)];
 DTCM_RAM PacketFifo telem_tx_fifos[SERIAL_QOS_FIFOS];
 
-DATA_RAM uint8_t * telem_fifo_tx_buffer[SERIAL_QOS_FIFOS] = {telem_fifo_tx_buffer0, telem_fifo_tx_buffer1,
-                                                             telem_fifo_tx_buffer2};
+DATA_RAM uint8_t * telem_fifo_tx_buffer[SERIAL_QOS_FIFOS] =
+  {telem_fifo_tx_buffer0, telem_fifo_tx_buffer1, telem_fifo_tx_buffer2};
 
 uint32_t Telem::init(
   // Driver initializers