FreeCalypso > hg > freecalypso-tools
diff target-utils/libbase/abbdrv.c @ 499:44a1de4264d8
target-utils: added support for secret register page 2 of Iota ABB
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sat, 25 May 2019 22:20:34 +0000 |
| parents | 74610c4f10f7 |
| children | a04a145098f1 |
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--- a/target-utils/libbase/abbdrv.c Sat May 25 21:30:23 2019 +0000 +++ b/target-utils/libbase/abbdrv.c Sat May 25 22:20:34 2019 +0000 @@ -24,8 +24,8 @@ #include "types.h" #include "abbdefs.h" -/* TWL3025 */ -#define REG_PAGE(n) ((n) >> 7) +/* TWL3025, modified for page 2 support */ +#define REG_PAGE(n) ((n) >> 6) #define REG_ADDR(n) ((n) & 0x1f) #define TWL3025_DEV_IDX 0 /* On the SPI bus */ @@ -70,10 +70,18 @@ /* Switch the register page of the TWL3025 */ abb_select_page(page) { - if (page == 0) + switch (page) { + case 0: abb_reg_write(PAGEREG, 1 << 0); - else + break; + case 1: abb_reg_write(PAGEREG, 1 << 1); + break; + case 2: + /* not documented in datasheet, learned from TCS211 code */ + abb_reg_write(PAGEREG, 1 << 4); + break; + } abb_state_page = page; return(0); } @@ -97,6 +105,13 @@ } void +abb_unlock_page2() +{ + abb_reg_write(TAPCTRL, 0x01); + abb_reg_write(TAPREG, 0x1B); +} + +void abb_power_off() { abb_init();