X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fstm%2Fao_arch_funcs.h;h=e66d20d72cbc568ca9c74e443fc5a7e5d7a96112;hb=282f0451dd141db3304ab73e4020a849e59721eb;hp=3027b337fdb7266b19d104ce6c5b786b55aeac23;hpb=0266e08dbf19e2204fb5f758d5d0f944d2afff7d;p=fw%2Faltos diff --git a/src/stm/ao_arch_funcs.h b/src/stm/ao_arch_funcs.h index 3027b337..e66d20d7 100644 --- a/src/stm/ao_arch_funcs.h +++ b/src/stm/ao_arch_funcs.h @@ -20,10 +20,52 @@ /* ao_spi_stm.c */ -extern uint8_t ao_spi_mutex[STM_NUM_SPI]; + +/* 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_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); +ao_spi_get(uint8_t spi_index, uint32_t speed); void ao_spi_put(uint8_t spi_index); @@ -40,36 +82,62 @@ ao_spi_recv(void *block, uint16_t len, uint8_t spi_index); void ao_spi_duplex(void *out, void *in, uint16_t len, uint8_t spi_index); +extern uint16_t ao_spi_speed[STM_NUM_SPI]; + void ao_spi_init(void); -#define ao_spi_get_mask(reg,mask,bus) do { \ - ao_spi_get(bus); \ - (reg).bsrr = ((uint32_t) mask) << 16; \ +#define ao_spi_get_mask(reg,mask,bus, speed) do { \ + ao_spi_get(bus, speed); \ + (reg)->bsrr = ((uint32_t) mask) << 16; \ } while (0) #define ao_spi_put_mask(reg,mask,bus) do { \ - (reg).bsrr = mask; \ + (reg)->bsrr = mask; \ ao_spi_put(bus); \ } while (0) +#define ao_spi_get_bit(reg,bit,pin,bus,speed) ao_spi_get_mask(reg,(1<