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stmhal: Allow to name SPI busses, and give them names for pyboard.

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This commit is contained in:
Damien George 2015-05-27 17:21:42 +01:00
parent 0e6f5e08e1
commit 70446f46c2
3 changed files with 37 additions and 8 deletions
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4
stmhal/boards/PYBV10/mpconfigboard.h
View File

@ -54,6 +54,10 @@
#define MICROPY_HW_I2C2_SCL (pin_B10)
#define MICROPY_HW_I2C2_SDA (pin_B11)
// SPI busses
#define MICROPY_HW_SPI1_NAME "X"
#define MICROPY_HW_SPI2_NAME "Y"
// CAN busses
#define MICROPY_HW_CAN1_NAME "YA" // CAN1 on RX,TX = Y3,Y4 = PB8,PB9
#define MICROPY_HW_CAN2_NAME "YB" // CAN2 on RX,TX = Y5,Y6 = PB12,PB13

4
stmhal/boards/PYBV4/mpconfigboard.h
View File

@ -54,6 +54,10 @@
#define MICROPY_HW_I2C2_SCL (pin_B10)
#define MICROPY_HW_I2C2_SDA (pin_B11)
// SPI busses
#define MICROPY_HW_SPI1_NAME "X"
#define MICROPY_HW_SPI2_NAME "Y"
// CAN busses
#define MICROPY_HW_CAN1_NAME "YA" // CAN1 on RX,TX = Y3,Y4 = PB8,PB9
#define MICROPY_HW_CAN2_NAME "YB" // CAN2 on RX,TX = Y5,Y6 = PB12,PB13

37
stmhal/spi.c
View File

@ -325,7 +325,6 @@ STATIC const pyb_spi_obj_t pyb_spi_obj[] = {
{{&pyb_spi_type}, NULL},
#endif
};
#define PYB_NUM_SPI MP_ARRAY_SIZE(pyb_spi_obj)
SPI_HandleTypeDef *spi_get_handle(mp_obj_t o) {
if (!MP_OBJ_IS_TYPE(o, &pyb_spi_type)) {
@ -462,16 +461,38 @@ STATIC mp_obj_t pyb_spi_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n
// check arguments
mp_arg_check_num(n_args, n_kw, 1, MP_OBJ_FUN_ARGS_MAX, true);
// get SPI number
mp_int_t spi_id = mp_obj_get_int(args[0]) - 1;
// check SPI number
if (!(0 <= spi_id && spi_id < PYB_NUM_SPI && pyb_spi_obj[spi_id].spi != NULL)) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "SPI bus %d does not exist", spi_id + 1));
// work out SPI bus
int spi_id = 0;
if (MP_OBJ_IS_STR(args[0])) {
const char *port = mp_obj_str_get_str(args[0]);
if (0) {
#ifdef MICROPY_HW_SPI1_NAME
} else if (strcmp(port, MICROPY_HW_SPI1_NAME) == 0) {
spi_id = 1;
#endif
#ifdef MICROPY_HW_SPI2_NAME
} else if (strcmp(port, MICROPY_HW_SPI2_NAME) == 0) {
spi_id = 2;
#endif
#ifdef MICROPY_HW_SPI3_NAME
} else if (strcmp(port, MICROPY_HW_SPI3_NAME) == 0) {
spi_id = 3;
#endif
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
"SPI(%s) does not exist", port));
}
} else {
spi_id = mp_obj_get_int(args[0]);
if (spi_id < 1 || spi_id > MP_ARRAY_SIZE(pyb_spi_obj)
|| pyb_spi_obj[spi_id].spi == NULL) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
"SPI(%d) does not exist", spi_id));
}
}
// get SPI object
const pyb_spi_obj_t *spi_obj = &pyb_spi_obj[spi_id];
const pyb_spi_obj_t *spi_obj = &pyb_spi_obj[spi_id - 1];
if (n_args > 1 || n_kw > 0) {
// start the peripheral