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-rw-r--r--stm-fmc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/stm-fmc.c b/stm-fmc.c
index 01e642c..05d41b4 100644
--- a/stm-fmc.c
+++ b/stm-fmc.c
@@ -77,12 +77,16 @@ int fmc_write_32(uint32_t addr, uint32_t *data)
// calculate target fpga address
uint32_t ptr = FMC_FPGA_BASE_ADDR + (addr & FMC_FPGA_ADDR_MASK);
+ __disable_irq();
+
int status =
// write data to fpga
(HAL_SRAM_Write_32b(&_fmc_fpga_inst, (uint32_t *)ptr, data, 1) != HAL_OK) ||
// wait for transaction to complete
_fmc_nwait_idle();
+ __enable_irq();
+
return status;
}