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Diffstat (limited to 'src/stmf0/ao_spi_stm.c')
-rw-r--r--src/stmf0/ao_spi_stm.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/stmf0/ao_spi_stm.c b/src/stmf0/ao_spi_stm.c
index 5e76d6c3..d83f0658 100644
--- a/src/stmf0/ao_spi_stm.c
+++ b/src/stmf0/ao_spi_stm.c
@@ -412,6 +412,18 @@ ao_spi_config(uint8_t spi_index, uint32_t speed)
uint8_t id = AO_SPI_INDEX(spi_index);
struct stm_spi *stm_spi = ao_spi_stm_info[id].stm_spi;
+ switch (id) {
+#if SPI_1_POWER_MANAGE
+ case 0:
+ stm_rcc.apb2enr |= (1 << STM_RCC_APB2ENR_SPI1EN);
+ break;
+#endif
+#if SPI_2_POWER_MANAGE
+ case 1:
+ stm_rcc.apb1enr |= (1 << STM_RCC_APB1ENR_SPI2EN);
+ break;
+#endif
+ }
if (spi_index != ao_spi_index[id]) {
/* Disable old config
@@ -469,6 +481,18 @@ ao_spi_put(uint8_t spi_index)
struct stm_spi *stm_spi = ao_spi_stm_info[id].stm_spi;
stm_spi->cr1 = 0;
+ switch (id) {
+#if SPI_1_POWER_MANAGE
+ case 0:
+ stm_rcc.apb2enr &= ~(1 << STM_RCC_APB2ENR_SPI1EN);
+ break;
+#endif
+#if SPI_2_POWER_MANAGE
+ case 1:
+ stm_rcc.apb1enr &= ~(1 << STM_RCC_APB1ENR_SPI2EN);
+ break;
+#endif
+ }
ao_mutex_put(&ao_spi_mutex[id]);
}