cc3200: Add I2C module. Only master mode is currently supported.

1 files changed, 16 insertions, 7 deletions

diff --git a/cc3200/mods/modpyb.c b/cc3200/mods/modpyb.c
index 869adc761..86c726587 100644
--- a/cc3200/mods/modpyb.c
+++ b/cc3200/mods/modpyb.c
@@ -62,6 +62,8 @@
 #include "mpexception.h"
 #include "random.h"
 #include "pybextint.h"
+#include "pybi2c.h"
+#include "utils.h"
 
 
 #ifdef DEBUG
@@ -218,10 +220,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_delay_obj, pyb_delay);
 STATIC mp_obj_t pyb_udelay(mp_obj_t usec_in) {
     mp_int_t usec = mp_obj_get_int(usec_in);
     if (usec > 0) {
-        uint32_t count = 0;
-        const uint32_t utime = ((HAL_FCPU_HZ / 1000000) * (usec / 4));
-        while (++count <= utime) {
-        }
+        UtilsDelay(UTILS_DELAY_US_TO_COUNT(usec));
     }
     return mp_const_none;
 }
@@ -261,6 +260,17 @@ STATIC mp_obj_t pyb_repl_uart(uint n_args, const mp_obj_t *args) {
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_repl_uart_obj, 0, 1, pyb_repl_uart);
 
+/// \function mkdisk('path')
+/// Formats the selected drive, useful when the filesystem has been damaged beyond repair
+STATIC mp_obj_t pyb_mkdisk(mp_obj_t path_o) {
+    const char *path = mp_obj_str_get_str(path_o);
+    if (FR_OK != f_mkfs(path, 1, 0)) {
+        nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_operation_failed));
+    }
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_mkdisk_obj, pyb_mkdisk);
+
 MP_DECLARE_CONST_FUN_OBJ(pyb_main_obj); // defined in main.c
 
 STATIC const mp_map_elem_t pyb_module_globals_table[] = {
@@ -291,8 +301,7 @@ STATIC const mp_map_elem_t pyb_module_globals_table[] = {
     { MP_OBJ_NEW_QSTR(MP_QSTR_delay),               (mp_obj_t)&pyb_delay_obj },
     { MP_OBJ_NEW_QSTR(MP_QSTR_udelay),              (mp_obj_t)&pyb_udelay_obj },
     { MP_OBJ_NEW_QSTR(MP_QSTR_sync),                (mp_obj_t)&pyb_sync_obj },
-
-    //{ MP_OBJ_NEW_QSTR(MP_QSTR_Timer), (mp_obj_t)&pyb_timer_type },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_mkdisk),              (mp_obj_t)&pyb_mkdisk_obj },
 
 #if MICROPY_HW_ENABLE_RNG
     { MP_OBJ_NEW_QSTR(MP_QSTR_rng),                 (mp_obj_t)&pyb_rng_get_obj },
@@ -304,7 +313,7 @@ STATIC const mp_map_elem_t pyb_module_globals_table[] = {
 
     { MP_OBJ_NEW_QSTR(MP_QSTR_Pin),                 (mp_obj_t)&pin_type },
     { MP_OBJ_NEW_QSTR(MP_QSTR_ExtInt),              (mp_obj_t)&extint_type },
-
+    { MP_OBJ_NEW_QSTR(MP_QSTR_I2C),                 (mp_obj_t)&pyb_i2c_type },
     { MP_OBJ_NEW_QSTR(MP_QSTR_UART),                (mp_obj_t)&pyb_uart_type },
 };