X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fstmf0%2Fao_arch_funcs.h;h=8b6234c4e995709da15b1df949b1daf4fc7122fb;hp=01a20c73daf7fbb0c6fda2f999da0806705b5510;hb=1667cb8e8b702b05fc3ec39ee49029885df64a4a;hpb=1085ec5d57e0ed5d132f2bbdac1a0b6a32c0ab4a

diff --git a/src/stmf0/ao_arch_funcs.h b/src/stmf0/ao_arch_funcs.h
index 01a20c73..8b6234c4 100644
--- a/src/stmf0/ao_arch_funcs.h
+++ b/src/stmf0/ao_arch_funcs.h
@@ -83,7 +83,57 @@ void
 ao_spi_send_fixed(uint8_t value, uint16_t len, uint8_t spi_index);
 
 void
-ao_spi_send_sync(void *block, uint16_t len, uint8_t spi_index);
+ao_spi_send_sync(const void *block, uint16_t len, uint8_t spi_index);
+
+void
+ao_spi_start_bytes(uint8_t spi_index);
+
+void
+ao_spi_stop_bytes(uint8_t spi_index);
+
+static inline void
+ao_spi_send_byte(uint8_t byte, uint8_t spi_index)
+{
+	struct stm_spi	*stm_spi;
+
+	switch (AO_SPI_INDEX(spi_index)) {
+	case 0:
+		stm_spi = &stm_spi1;
+		break;
+	case 1:
+		stm_spi = &stm_spi2;
+		break;
+	}
+
+	while (!(stm_spi->sr & (1 << STM_SPI_SR_TXE)))
+		;
+	stm_spi->dr = byte;
+	while (!(stm_spi->sr & (1 << STM_SPI_SR_RXNE)))
+		;
+	(void) stm_spi->dr;
+}
+
+static inline uint8_t
+ao_spi_recv_byte(uint8_t spi_index)
+{
+	struct stm_spi	*stm_spi;
+
+	switch (AO_SPI_INDEX(spi_index)) {
+	case 0:
+		stm_spi = &stm_spi1;
+		break;
+	case 1:
+		stm_spi = &stm_spi2;
+		break;
+	}
+
+	while (!(stm_spi->sr & (1 << STM_SPI_SR_TXE)))
+		;
+	stm_spi->dr = 0xff;
+	while (!(stm_spi->sr & (1 << STM_SPI_SR_RXNE)))
+		;
+	return stm_spi->dr;
+}
 
 void
 ao_spi_recv(void *block, uint16_t len, uint8_t spi_index);