diff options
Diffstat (limited to 'libmaple/rcc.c')
| -rw-r--r-- | libmaple/rcc.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/libmaple/rcc.c b/libmaple/rcc.c index a9d7c96..2841af3 100644 --- a/libmaple/rcc.c +++ b/libmaple/rcc.c @@ -74,6 +74,8 @@ static const struct rcc_dev_info rcc_dev_table[] = { [RCC_DAC] = { .clk_domain = APB1, .line_num = 29 }, // High-density only [RCC_DMA1] = { .clk_domain = AHB, .line_num = 0 }, [RCC_DMA2] = { .clk_domain = AHB, .line_num = 1 }, // High-density only + [RCC_PWR] = { .clk_domain = APB1, .line_num = 28}, + [RCC_BKP] = { .clk_domain = APB1, .line_num = 27} }; /** @@ -117,18 +119,18 @@ void rcc_clk_init(uint32 sysclk_src, uint32 pll_src, uint32 pll_mul) { /** * @brief Turn on the clock line on a device - * @param dev_num device to turn on + * @param device Clock ID of the device to turn on. */ -void rcc_clk_enable(uint32 dev_num) { +void rcc_clk_enable(rcc_clk_id device) { static const uint32 enable_regs[] = { [APB1] = RCC_APB1ENR, [APB2] = RCC_APB2ENR, [AHB] = RCC_AHBENR, }; - uint8 clk_domain = rcc_dev_table[dev_num].clk_domain; + uint8 clk_domain = rcc_dev_table[device].clk_domain; - __set_bits(enable_regs[clk_domain], BIT(rcc_dev_table[dev_num].line_num)); + __set_bits(enable_regs[clk_domain], BIT(rcc_dev_table[device].line_num)); } /** @@ -154,16 +156,16 @@ void rcc_set_prescaler(uint32 prescaler, uint32 divider) { /** * @brief reset a device - * @param dev_num device to reset + * @param device Clock ID of the device to reset. */ -void rcc_reset_dev(uint32 dev_num) { +void rcc_reset_dev(rcc_clk_id device) { static const uint32 reset_regs[] = { [APB1] = RCC_APB1RSTR, [APB2] = RCC_APB2RSTR, }; - uint8 clk_domain = rcc_dev_table[dev_num].clk_domain; + uint8 clk_domain = rcc_dev_table[device].clk_domain; - __set_bits(reset_regs[clk_domain], BIT(rcc_dev_table[dev_num].line_num)); - __clear_bits(reset_regs[clk_domain], BIT(rcc_dev_table[dev_num].line_num)); + __set_bits(reset_regs[clk_domain], BIT(rcc_dev_table[device].line_num)); + __clear_bits(reset_regs[clk_domain], BIT(rcc_dev_table[device].line_num)); } |