SPI: increase buffer size on H7

MoreTore · Jul 16, 2023 · e8da4ea · e8da4ea
1 parent 0c33554
commit e8da4ea
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/board/drivers/spi.h b/board/drivers/spi.h
@@ -2,17 +2,18 @@
 
 #include "crc.h"
 
-#define SPI_BUF_SIZE 1024U
 #define SPI_TIMEOUT_US 10000U
 
 // got max rate from hitting a non-existent endpoint
 // in a tight loop, plus some buffer
 #define SPI_IRQ_RATE  16000U
 
 #ifdef STM32H7
+#define SPI_BUF_SIZE 2048U
 __attribute__((section(".ram_d1"))) uint8_t spi_buf_rx[SPI_BUF_SIZE];
-__attribute__((section(".ram_d1"))) uint8_t spi_buf_tx[SPI_BUF_SIZE];
+__attribute__((section(".ram_d2"))) uint8_t spi_buf_tx[SPI_BUF_SIZE];
 #else
+#define SPI_BUF_SIZE 1024U
 uint8_t spi_buf_rx[SPI_BUF_SIZE];
 uint8_t spi_buf_tx[SPI_BUF_SIZE];
 #endif