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Add DMA to I2C reading/writing

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This commit is contained in:
Edward Emelianov
2023-01-08 18:37:08 +03:00
parent dd8d567464
commit c76d7aacb0
10 changed files with 251 additions and 101 deletions
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2
G0:G070/i2c/usart.h
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@@ -22,6 +22,8 @@
#define USND(t) do{usart3_sendstr(t);}while(0)
extern volatile int u3txrdy, u3rxrdy;
void usart3_setup();
int usart3_send_blocking(const char *str, int len);
int usart3_send(const char *str, int len);