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Diffstat (limited to 'src/stm/ao_arch_funcs.h')
-rw-r--r--src/stm/ao_arch_funcs.h27
1 files changed, 26 insertions, 1 deletions
diff --git a/src/stm/ao_arch_funcs.h b/src/stm/ao_arch_funcs.h
index 3d8ca1f2..d4fbea37 100644
--- a/src/stm/ao_arch_funcs.h
+++ b/src/stm/ao_arch_funcs.h
@@ -20,12 +20,37 @@
/* ao_spi_stm.c
*/
-extern uint8_t ao_spi_mutex[STM_NUM_SPI];
#define AO_SPI_SPEED_FAST STM_SPI_CR1_BR_PCLK_4
#define AO_SPI_SPEED_1MHz STM_SPI_CR1_BR_PCLK_16
#define AO_SPI_SPEED_200kHz STM_SPI_CR1_BR_PCLK_256
+#define AO_SPI_CONFIG_1 0x00
+#define AO_SPI_1_CONFIG_PA5_PA6_PA7 AO_SPI_CONFIG_1
+#define AO_SPI_2_CONFIG_PB13_PB14_PB15 AO_SPI_CONFIG_1
+
+#define AO_SPI_CONFIG_2 0x04
+#define AO_SPI_1_CONFIG_PB3_PB4_PB5 AO_SPI_CONFIG_2
+#define AO_SPI_2_CONFIG_PD1_PD3_PD4 AO_SPI_CONFIG_2
+
+#define AO_SPI_CONFIG_3 0x08
+#define AO_SPI_1_CONFIG_PE13_PE14_PE15 AO_SPI_CONFIG_3
+
+#define AO_SPI_CONFIG_NONE 0x0c
+
+#define AO_SPI_INDEX_MASK 0x01
+#define AO_SPI_CONFIG_MASK 0x0c
+
+#define AO_SPI_1_PA5_PA6_PA7 (STM_SPI_INDEX(1) | AO_SPI_1_CONFIG_PA5_PA6_PA7)
+#define AO_SPI_1_PB3_PB4_PB5 (STM_SPI_INDEX(1) | AO_SPI_1_CONFIG_PB3_PB4_PB5)
+#define AO_SPI_1_PE13_PE14_PE15 (STM_SPI_INDEX(1) | AO_SPI_1_CONFIG_PE13_PE14_PE15)
+
+#define AO_SPI_2_PB13_PB14_PB15 (STM_SPI_INDEX(2) | AO_SPI_2_CONFIG_PB13_PB14_PB15)
+#define AO_SPI_2_PD1_PD3_PD4 (STM_SPI_INDEX(2) | AO_SPI_2_CONFIG_PD1_PD3_PD4)
+
+#define AO_SPI_INDEX(id) ((id) & AO_SPI_INDEX_MASK)
+#define AO_SPI_CONFIG(id) ((id) & AO_SPI_CONFIG_MASK)
+
void
ao_spi_get(uint8_t spi_index, uint32_t speed);