X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=inline;f=src%2Fstm%2Fao_arch_funcs.h;h=e66d20d72cbc568ca9c74e443fc5a7e5d7a96112;hb=b49c751749dcd3e78991463c098f8d916f52179d;hp=7820bf798af2568e6b7ef4dc5bebf0394fda036d;hpb=08a4ed8fe794a2b2b52147bd5535fe0954822e95;p=fw%2Faltos diff --git a/src/stm/ao_arch_funcs.h b/src/stm/ao_arch_funcs.h index 7820bf79..e66d20d7 100644 --- a/src/stm/ao_arch_funcs.h +++ b/src/stm/ao_arch_funcs.h @@ -20,11 +20,49 @@ /* ao_spi_stm.c */ -extern uint8_t ao_spi_mutex[STM_NUM_SPI]; -#define AO_SPI_SPEED_FAST STM_SPI_CR1_BR_PCLK_4 +/* PCLK is set to 16MHz (HCLK 32MHz, APB prescaler 2) */ + +#define AO_SPI_SPEED_8MHz STM_SPI_CR1_BR_PCLK_2 /* This doesn't appear to work */ +#define AO_SPI_SPEED_4MHz STM_SPI_CR1_BR_PCLK_4 +#define AO_SPI_SPEED_2MHz STM_SPI_CR1_BR_PCLK_8 #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_SPEED_500kHz STM_SPI_CR1_BR_PCLK_32 +#define AO_SPI_SPEED_250kHz STM_SPI_CR1_BR_PCLK_64 +#define AO_SPI_SPEED_125kHz STM_SPI_CR1_BR_PCLK_128 +#define AO_SPI_SPEED_62500Hz STM_SPI_CR1_BR_PCLK_256 + +#define AO_SPI_SPEED_FAST AO_SPI_SPEED_4MHz + +/* Companion bus wants something no faster than 200kHz */ + +#define AO_SPI_SPEED_200kHz AO_SPI_SPEED_125kHz + +#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); @@ -76,10 +114,25 @@ ao_spi_init(void); } while (0) -#define ao_enable_output(port,pin,v) do { \ +#define ao_gpio_set(port, bit, pin, v) stm_gpio_set(port, bit, v) + +#define ao_gpio_get(port, bit, pin) stm_gpio_get(port, bit) + +#define ao_enable_output(port,bit,pin,v) do { \ ao_enable_port(port); \ - stm_gpio_set(port, pin, v); \ - stm_moder_set(port, pin, STM_MODER_OUTPUT); \ + ao_gpio_set(port, bit, pin, v); \ + stm_moder_set(port, bit, STM_MODER_OUTPUT);\ + } while (0) + +#define ao_enable_input(port,bit,mode) do { \ + ao_enable_port(port); \ + stm_moder_set(port, bit, STM_MODER_INPUT); \ + if (mode == AO_EXTI_MODE_PULL_UP) \ + stm_pupdr_set(port, bit, STM_PUPDR_PULL_UP); \ + else if (mode == AO_EXTI_MODE_PULL_DOWN) \ + stm_pupdr_set(port, bit, STM_PUPDR_PULL_DOWN); \ + else \ + stm_pupdr_set(port, bit, STM_PUPDR_NONE); \ } while (0) #define ao_enable_cs(port,bit) do { \