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protect set_channel and set_power from interrupts.

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This commit is contained in:
Mariano Alvira 2010-03-16 10:34:11 -04:00
parent 2aa76aaacd
commit 092a182a5d
1 changed files with 6 additions and 0 deletions
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6
lib/maca.c
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@ -752,6 +752,8 @@ const uint32_t AIMVAL[19] = {
#define ADDR_POW2 ADDR_POW1 + 12
#define ADDR_POW3 ADDR_POW1 + 64
void set_power(uint8_t power) {
safe_irq_disable(MACA);
reg(ADDR_POW1) = PSMVAL[power];
/* see http://devl.org/pipermail/mc1322x/2009-October/000065.html */
@ -763,6 +765,8 @@ void set_power(uint8_t power) {
#endif
reg(ADDR_POW3) = AIMVAL[power];
irq_restore();
}
const uint8_t VCODivI[16] = {
@ -810,6 +814,7 @@ const uint32_t VCODivF[16] = {
#define ADDR_CHAN4 (ADDR_CHAN1+48)
void set_channel(uint8_t chan) {
volatile uint32_t tmp;
safe_irq_disable(MACA);
tmp = reg(ADDR_CHAN1);
tmp = tmp & 0xbfffffff;
@ -830,6 +835,7 @@ void set_channel(uint8_t chan) {
tmp = tmp | (((ctov[chan])<<8)&0x1F00);
reg(ADDR_CHAN4) = tmp;
/* duh! */
irq_restore();
}
#define ROM_END 0x0013ffff