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-rw-r--r--cortex_m/debug.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/cortex_m/debug.h b/cortex_m/debug.h
index 8134829..7117309 100644
--- a/cortex_m/debug.h
+++ b/cortex_m/debug.h
@@ -20,6 +20,14 @@ struct ITM_reg_t {
volatile uint32_t LSR;
// FIXME - only supports first 32 stimulus ports
+ void stim_blocking(unsigned stim, char data) {
+ if (!(this->TER[0] & (1<<stim))) {
+ return;
+ }
+ while (!(this->STIM[stim].u8 & 1))
+ ;
+ this->STIM[stim].u8 = data;
+ }
void stim_blocking(unsigned stim, uint8_t data) {
if (!(this->TER[0] & (1<<stim))) {
return;