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SMBus: add length to block read operations

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This commit is contained in:
RichardG867
2020-05-17 00:49:03 -03:00
parent 3f5bb6c67f
commit 1ceebf6860
3 changed files with 12 additions and 12 deletions
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14
src/smbus.c
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@@ -33,7 +33,7 @@ typedef struct _smbus_ {
uint8_t (*read_byte)(uint8_t addr, void *priv);
uint8_t (*read_byte_cmd)(uint8_t addr, uint8_t cmd, void *priv);
uint16_t (*read_word_cmd)(uint8_t addr, uint8_t cmd, void *priv);
uint8_t (*read_block_cmd)(uint8_t addr, uint8_t cmd, uint8_t *data, void *priv);
uint8_t (*read_block_cmd)(uint8_t addr, uint8_t cmd, uint8_t *data, uint8_t len, void *priv);
void (*write_byte)(uint8_t addr, uint8_t val, void *priv);
void (*write_byte_cmd)(uint8_t addr, uint8_t cmd, uint8_t val, void *priv);
@@ -73,7 +73,7 @@ smbus_log(const char *fmt, ...)
static uint8_t smbus_null_read_byte(uint8_t addr, void *priv) { smbus_log("SMBus: read_byte(%02x)\n", addr); return(0xff); }
static uint8_t smbus_null_read_byte_cmd(uint8_t addr, uint8_t cmd, void *priv) { smbus_log("SMBus: read_byte_cmd(%02x, %02x)\n", addr, cmd); return(0xff); }
static uint16_t smbus_null_read_word_cmd(uint8_t addr, uint8_t cmd, void *priv) { smbus_log("SMBus: read_word_cmd(%02x, %02x)\n", addr, cmd); return(0xffff); }
static uint8_t smbus_null_read_block_cmd(uint8_t addr, uint8_t cmd, uint8_t *data, void *priv) { smbus_log("SMBus: read_block_cmd(%02x, %02x)\n", addr, cmd); return(0x00); };
static uint8_t smbus_null_read_block_cmd(uint8_t addr, uint8_t cmd, uint8_t *data, uint8_t len, void *priv) { smbus_log("SMBus: read_block_cmd(%02x, %02x)\n", addr, cmd); return(0x00); };
static void smbus_null_write_byte(uint8_t addr, uint8_t val, void *priv) { smbus_log("SMBus: write_byte(%02x, %02x)\n", addr, val); }
static void smbus_null_write_byte_cmd(uint8_t addr, uint8_t cmd, uint8_t val, void *priv) { smbus_log("SMBus: write_byte_cmd(%02x, %02x, %02x)\n", addr, cmd, val); }
static void smbus_null_write_word_cmd(uint8_t addr, uint8_t cmd, uint16_t val, void *priv) { smbus_log("SMBus: write_word_cmd(%02x, %02x, %04x)\n", addr, cmd, val); }
@@ -135,7 +135,7 @@ smbus_sethandler(uint8_t base, int size,
uint8_t (*read_byte)(uint8_t addr, void *priv),
uint8_t (*read_byte_cmd)(uint8_t addr, uint8_t cmd, void *priv),
uint16_t (*read_word_cmd)(uint8_t addr, uint8_t cmd, void *priv),
uint8_t (*read_block_cmd)(uint8_t addr, uint8_t cmd, uint8_t *data, void *priv),
uint8_t (*read_block_cmd)(uint8_t addr, uint8_t cmd, uint8_t *data, uint8_t len, void *priv),
void (*write_byte)(uint8_t addr, uint8_t val, void *priv),
void (*write_byte_cmd)(uint8_t addr, uint8_t cmd, uint8_t val, void *priv),
void (*write_word_cmd)(uint8_t addr, uint8_t cmd, uint16_t val, void *priv),
@@ -180,7 +180,7 @@ smbus_removehandler(uint8_t base, int size,
uint8_t (*read_byte)(uint8_t addr, void *priv),
uint8_t (*read_byte_cmd)(uint8_t addr, uint8_t cmd, void *priv),
uint16_t (*read_word_cmd)(uint8_t addr, uint8_t cmd, void *priv),
uint8_t (*read_block_cmd)(uint8_t addr, uint8_t cmd, uint8_t *data, void *priv),
uint8_t (*read_block_cmd)(uint8_t addr, uint8_t cmd, uint8_t *data, uint8_t len, void *priv),
void (*write_byte)(uint8_t addr, uint8_t val, void *priv),
void (*write_byte_cmd)(uint8_t addr, uint8_t cmd, uint8_t val, void *priv),
void (*write_word_cmd)(uint8_t addr, uint8_t cmd, uint16_t val, void *priv),
@@ -223,7 +223,7 @@ smbus_handler(int set, uint8_t base, int size,
uint8_t (*read_byte)(uint8_t addr, void *priv),
uint8_t (*read_byte_cmd)(uint8_t addr, uint8_t cmd, void *priv),
uint16_t (*read_word_cmd)(uint8_t addr, uint8_t cmd, void *priv),
uint8_t (*read_block_cmd)(uint8_t addr, uint8_t cmd, uint8_t *data, void *priv),
uint8_t (*read_block_cmd)(uint8_t addr, uint8_t cmd, uint8_t *data, uint8_t len, void *priv),
void (*write_byte)(uint8_t addr, uint8_t val, void *priv),
void (*write_byte_cmd)(uint8_t addr, uint8_t cmd, uint8_t val, void *priv),
void (*write_word_cmd)(uint8_t addr, uint8_t cmd, uint16_t val, void *priv),
@@ -308,7 +308,7 @@ smbus_read_word_cmd(uint8_t addr, uint8_t cmd)
}
uint8_t
smbus_read_block_cmd(uint8_t addr, uint8_t cmd, uint8_t *data)
smbus_read_block_cmd(uint8_t addr, uint8_t cmd, uint8_t *data, uint8_t len)
{
uint8_t ret = 0;
smbus_t *p;
@@ -318,7 +318,7 @@ smbus_read_block_cmd(uint8_t addr, uint8_t cmd, uint8_t *data)
if (p) {
while(p) {
if (p->read_block_cmd) {
ret = MAX(ret, p->read_block_cmd(addr, cmd, data, p->priv));
ret = MAX(ret, p->read_block_cmd(addr, cmd, data, len, p->priv));
found++;
}
p = p->next;